dragonfly-custom.C 172 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14
/*
 * Copyright (C) 2013 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
 */

#include <ross.h>

#include "codes/jenkins-hash.h"
#include "codes/codes_mapping.h"
#include "codes/codes.h"
#include "codes/model-net.h"
#include "codes/model-net-method.h"
#include "codes/model-net-lp.h"
15
#include "codes/net/dragonfly-custom.h"
16 17 18
#include "sys/file.h"
#include "codes/quickhash.h"
#include "codes/rc-stack.h"
19 20
#include <vector>
#include <map>
21
#include <set>
22

23 24 25 26
#ifdef ENABLE_CORTEX
#include <cortex/cortex.h>
#include <cortex/topology.h>
#endif
27

28
#define DUMP_CONNECTIONS 0
29
#define PRINT_CONFIG 1
30
#define CREDIT_SIZE 8
31
#define DFLY_HASH_TABLE_SIZE 4999
32
// debugging parameters
33
#define BW_MONITOR 1
34
#define DEBUG_LP 892
35
#define T_ID -1
36
#define TRACK -1
37
#define TRACK_PKT -1
38 39 40
#define TRACK_MSG -1
#define DEBUG 0
#define MAX_STATS 65536
41
#define SHOW_ADAP_STATS 1
42 43 44 45 46

#define LP_CONFIG_NM_TERM (model_net_lp_config_names[DRAGONFLY_CUSTOM])
#define LP_METHOD_NM_TERM (model_net_method_names[DRAGONFLY_CUSTOM])
#define LP_CONFIG_NM_ROUT (model_net_lp_config_names[DRAGONFLY_CUSTOM_ROUTER])
#define LP_METHOD_NM_ROUT (model_net_method_names[DRAGONFLY_CUSTOM_ROUTER])
47

48
static int debug_cnt = 0;
49 50 51 52 53
static int max_lvc_src_g = 1;
static int max_lvc_intm_g = 3;
static int min_gvc_src_g = 0;
static int min_gvc_intm_g = 1;

54
static int BIAS_MIN = 1;
55
static int DF_DALLY = 0;
56
static int adaptive_threshold = 1024;
57

58
static tw_stime max_qos_monitor = 1000000000;
59 60 61
static long num_local_packets_sr = 0;
static long num_local_packets_sg = 0;
static long num_remote_packets = 0;
62 63 64 65

/* time in nanosecs */
static int bw_reset_window = 5000000;

66 67 68 69 70 71
#define indexer3d(_ptr, _x, _y, _z, _maxx, _maxy, _maxz) \
        ((_ptr) + _z * (_maxx * _maxz) + _y * (_maxx) + _x)

#define indexer2d(_ptr, _x, _y, _maxx, _maxy) \
        ((_ptr) + _y * (_maxx) + _x)

72 73 74 75 76 77 78
using namespace std;
struct Link {
  int offset, type;
};
struct bLink {
  int offset, dest;
};
79 80 81 82 83
/* Each entry in the vector is for a router id
 * against each router id, there is a map of links (key of the map is the dest
 * router id)
 * link has information on type (green or black) and offset (number of links
 * between that particular source and dest router ID)*/
84
vector< map< int, vector<Link> > > intraGroupLinks;
85 86
/* contains mapping between source router and destination group via link (link
 * has dest ID)*/
87
vector< map< int, vector<bLink> > > interGroupLinks;
88
/*MM: Maintains a list of routers connecting the source and destination groups */
89 90 91 92 93 94 95 96 97 98
vector< vector< vector<int> > > connectionList;

struct IntraGroupLink {
  int src, dest, type;
};

struct InterGroupLink {
  int src, dest;
};

99 100 101 102 103 104
#ifdef ENABLE_CORTEX
/* This structure is defined at the end of the file */
extern "C" {
extern cortex_topology dragonfly_custom_cortex_topology;
}
#endif
105

106 107 108
static int debug_slot_count = 0;
static long term_ecount, router_ecount, term_rev_ecount, router_rev_ecount;
static long packet_gen = 0, packet_fin = 0;
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127

static double maxd(double a, double b) { return a < b ? b : a; }

/* minimal and non-minimal packet counts for adaptive routing*/
static int minimal_count=0, nonmin_count=0;
static int num_routers_per_mgrp = 0;

typedef struct dragonfly_param dragonfly_param;
/* annotation-specific parameters (unannotated entry occurs at the 
 * last index) */
static uint64_t                  num_params = 0;
static dragonfly_param         * all_params = NULL;
static const config_anno_map_t * anno_map   = NULL;

/* global variables for codes mapping */
static char lp_group_name[MAX_NAME_LENGTH];
static int mapping_grp_id, mapping_type_id, mapping_rep_id, mapping_offset;

/* router magic number */
128
static int router_magic_num = 0;
129 130

/* terminal magic number */
131
static int terminal_magic_num = 0;
132

133 134 135 136
/* Hops within a group */
static int num_intra_nonmin_hops = 4;
static int num_intra_min_hops = 2;

137
static FILE * dragonfly_rtr_bw_log = NULL;
138
//static FILE * dragonfly_term_bw_log = NULL;
139

140 141
static int sample_bytes_written = 0;
static int sample_rtr_bytes_written = 0;
142

143 144
static char cn_sample_file[MAX_NAME_LENGTH];
static char router_sample_file[MAX_NAME_LENGTH];
145

146 147
//don't do overhead here - job of MPI layer
static tw_stime mpi_soft_overhead = 0;
148

149 150 151
typedef struct terminal_custom_message_list terminal_custom_message_list;
struct terminal_custom_message_list {
    terminal_custom_message msg;
152
    char* event_data;
153 154
    terminal_custom_message_list *next;
    terminal_custom_message_list *prev;
155 156
};

157
static void init_terminal_custom_message_list(terminal_custom_message_list *thisO, 
158
    terminal_custom_message *inmsg) {
159 160 161 162
    thisO->msg = *inmsg;
    thisO->event_data = NULL;
    thisO->next = NULL;
    thisO->prev = NULL;
163 164
}

165 166 167 168
static void delete_terminal_custom_message_list(void *thisO) {
    terminal_custom_message_list* toDel = (terminal_custom_message_list*)thisO;
    if(toDel->event_data != NULL) free(toDel->event_data);
    free(toDel);
169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
}

struct dragonfly_param
{
    // configuration parameters
    int num_routers; /*Number of routers in a group*/
    double local_bandwidth;/* bandwidth of the router-router channels within a group */
    double global_bandwidth;/* bandwidth of the inter-group router connections */
    double cn_bandwidth;/* bandwidth of the compute node channels connected to routers */
    int num_vcs; /* number of virtual channels */
    int local_vc_size; /* buffer size of the router-router channels */
    int global_vc_size; /* buffer size of the global channels */
    int cn_vc_size; /* buffer size of the compute node channels */
    int chunk_size; /* full-sized packets are broken into smaller chunks.*/
    // derived parameters
    int num_cn;
185 186
    int intra_grp_radix;
    int num_col_chans;
187
    int num_row_chans;
188 189
    int num_router_rows;
    int num_router_cols;
190 191 192 193 194
    int num_groups;
    int radix;
    int total_routers;
    int total_terminals;
    int num_global_channels;
195 196
    int num_qos_levels;
    int * qos_bandwidths;
197 198 199 200 201
    double cn_delay;
    double local_delay;
    double global_delay;
    double credit_delay;
    double router_delay;
202 203

    int max_hops_notify; //maximum number of hops allowed before notifying via printout
204 205
};

206 207 208
static const dragonfly_param* stored_params;


209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265
struct dfly_hash_key
{
    uint64_t message_id;
    tw_lpid sender_id;
};

struct dfly_router_sample
{
    tw_lpid router_id;
    tw_stime* busy_time;
    int64_t* link_traffic_sample;
    tw_stime end_time;
    long fwd_events;
    long rev_events;
};

struct dfly_cn_sample
{
   tw_lpid terminal_id;
   long fin_chunks_sample;
   long data_size_sample;
   double fin_hops_sample;
   tw_stime fin_chunks_time;
   tw_stime busy_time_sample;
   tw_stime end_time;
   long fwd_events;
   long rev_events;
};

struct dfly_qhash_entry
{
   struct dfly_hash_key key;
   char * remote_event_data;
   int num_chunks;
   int remote_event_size;
   struct qhash_head hash_link;
};

/* handles terminal and router events like packet generate/send/receive/buffer */
typedef struct terminal_state terminal_state;
typedef struct router_state router_state;

/* dragonfly compute node data structure */
struct terminal_state
{
   uint64_t packet_counter;

   int packet_gen;
   int packet_fin;

   // Dragonfly specific parameters
   unsigned int router_id;
   unsigned int terminal_id;

   // Each terminal will have an input and output channel with the router
   int* vc_occupancy; // NUM_VC
   tw_stime terminal_available_time;
266 267
   terminal_custom_message_list **terminal_msgs;
   terminal_custom_message_list **terminal_msgs_tail;
268 269 270
   int in_send_loop;
   struct mn_stats dragonfly_stats_array[CATEGORY_MAX];

271 272
   int * qos_status;
   int * qos_data;
273 274

   int rc_index;
275 276
   int* last_qos_status;
   int* last_qos_data;
277

278 279 280
   int last_qos_lvl;
   int is_monitoring_bw;

281 282
   struct rc_stack * st;
   int issueIdle;
283
   int* terminal_length;
284 285 286 287 288 289 290 291 292 293 294 295 296 297

   const char * anno;
   const dragonfly_param *params;

   struct qhash_table *rank_tbl;
   uint64_t rank_tbl_pop;

   tw_stime   total_time;
   uint64_t total_msg_size;
   double total_hops;
   long finished_msgs;
   long finished_chunks;
   long finished_packets;

298
   tw_stime last_buf_full;
299
   tw_stime busy_time;
300 301 302 303
   
   tw_stime max_latency;
   tw_stime min_latency;

304
   char output_buf[4096];
305
   char output_buf2[4096];
306 307 308 309 310 311 312 313 314
   /* For LP suspend functionality */
   int error_ct;

   /* For sampling */
   long fin_chunks_sample;
   long data_size_sample;
   double fin_hops_sample;
   tw_stime fin_chunks_time;
   tw_stime busy_time_sample;
315
   int num_term_rc_windows;
316 317 318 319 320

   char sample_buf[4096];
   struct dfly_cn_sample * sample_stat;
   int op_arr_size;
   int max_arr_size;
321
  
322 323 324
   /* for logging forward and reverse events */
   long fwd_events;
   long rev_events;
325 326 327 328 329 330 331 332

   /* following used for ROSS model-level stats collection */
   long fin_chunks_ross_sample;
   long data_size_ross_sample;
   long fin_hops_ross_sample;
   tw_stime fin_chunks_time_ross_sample;
   tw_stime busy_time_ross_sample;
   struct dfly_cn_sample ross_sample;
333 334
};

335 336 337 338 339 340 341 342 343 344 345 346 347
typedef enum qos_priority
{
    Q_HIGH =0,
    Q_MEDIUM,
    Q_LOW,
    Q_UNKNOWN,
} qos_priority;

typedef enum qos_status
{
    Q_ACTIVE = 1,
    Q_OVERBW,
} qos_status;
348
/* terminal event type (1-4) */
349
typedef enum event_t
350 351 352 353 354 355 356 357
{
  T_GENERATE=1,
  T_ARRIVE,
  T_SEND,
  T_BUFFER,
  R_SEND,
  R_ARRIVE,
  R_BUFFER,
358 359 360
  R_BANDWIDTH,
  R_BW_HALT,
  T_BANDWIDTH,
361
} event_t;
362 363 364 365

/* whether the last hop of a packet was global, local or a terminal */
enum last_hop
{
366
   GLOBAL=1,
367
   LOCAL,
368 369
   TERMINAL,
   ROOT
370 371 372 373 374 375 376
};

/* three forms of routing algorithms available, adaptive routing is not
 * accurate and fully functional in the current version as the formulas
 * for detecting load on global channels are not very accurate */
enum ROUTING_ALGO
{
377
    MINIMAL = 1,
378 379 380 381 382
    NON_MINIMAL,
    ADAPTIVE,
    PROG_ADAPTIVE
};

383 384 385 386 387
enum LINK_TYPE
{
    GREEN,
    BLACK,
};
388 389 390 391 392 393
struct router_state
{
   unsigned int router_id;
   int group_id;
   int op_arr_size;
   int max_arr_size;
394
   int rc_index;
395
   int num_rtr_rc_windows;
396 397 398 399 400

   int* global_channel; 
   
   tw_stime* next_output_available_time;
   tw_stime* cur_hist_start_time;
401
   tw_stime* last_buf_full;
402 403 404 405

   tw_stime* busy_time;
   tw_stime* busy_time_sample;

406 407 408 409
   terminal_custom_message_list ***pending_msgs;
   terminal_custom_message_list ***pending_msgs_tail;
   terminal_custom_message_list ***queued_msgs;
   terminal_custom_message_list ***queued_msgs_tail;
410 411 412
   int *in_send_loop;
   int *queued_count;
   struct rc_stack * st;
413 414

   int* last_sent_chan;
415 416 417 418
   int** vc_occupancy;
   int64_t* link_traffic;
   int64_t * link_traffic_sample;

419 420 421 422
   int is_monitoring_bw;
   int* last_qos_lvl;
   int** qos_status;
   int** qos_data;
423
   /* for reverse handler */
424 425
   int* last_qos_status;
   int* last_qos_data;
426

427 428 429 430 431 432 433 434 435 436 437 438
   const char * anno;
   const dragonfly_param *params;

   int* prev_hist_num;
   int* cur_hist_num;
   
   char output_buf[4096];

   struct dfly_router_sample * rsamples;
   
   long fwd_events;
   long rev_events;
439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455

   /* following used for ROSS model-level stats collection */
   tw_stime* busy_time_ross_sample;
   int64_t * link_traffic_ross_sample;
   struct dfly_router_sample ross_rsample;
};

/* had to pull some of the ROSS model stats collection stuff up here */
void custom_dragonfly_event_collect(terminal_custom_message *m, tw_lp *lp, char *buffer, int *collect_flag);
void custom_dragonfly_model_stat_collect(terminal_state *s, tw_lp *lp, char *buffer);
void custom_dfly_router_model_stat_collect(router_state *s, tw_lp *lp, char *buffer);
static void ross_custom_dragonfly_rsample_fn(router_state * s, tw_bf * bf, tw_lp * lp, struct dfly_router_sample *sample);
static void ross_custom_dragonfly_rsample_rc_fn(router_state * s, tw_bf * bf, tw_lp * lp, struct dfly_router_sample *sample);
static void ross_custom_dragonfly_sample_fn(terminal_state * s, tw_bf * bf, tw_lp * lp, struct dfly_cn_sample *sample);
static void ross_custom_dragonfly_sample_rc_fn(terminal_state * s, tw_bf * bf, tw_lp * lp, struct dfly_cn_sample *sample);

st_model_types custom_dragonfly_model_types[] = {
456
    {(ev_trace_f) custom_dragonfly_event_collect,
457 458 459 460 461 462
     sizeof(int),
     (model_stat_f) custom_dragonfly_model_stat_collect,
     sizeof(tw_lpid) + sizeof(long) * 2 + sizeof(double) + sizeof(tw_stime) *2,
     (sample_event_f) ross_custom_dragonfly_sample_fn,
     (sample_revent_f) ross_custom_dragonfly_sample_rc_fn,
     sizeof(struct dfly_cn_sample) } , 
463
    {(ev_trace_f) custom_dragonfly_event_collect,
464 465
     sizeof(int),
     (model_stat_f) custom_dfly_router_model_stat_collect,
466
     0, //updated in router_custom_setup() since it's based on the radix
467 468
     (sample_event_f) ross_custom_dragonfly_rsample_fn,
     (sample_revent_f) ross_custom_dragonfly_rsample_rc_fn,
469
     0 } , //updated in router_custom_setup() since it's based on the radix    
470
    {NULL, 0, NULL, 0, NULL, NULL, 0}
471
};
472
/* End of ROSS model stats collection */
473 474 475 476 477 478 479 480 481 482 483 484 485

static short routing = MINIMAL;

static tw_stime         dragonfly_total_time = 0;
static tw_stime         dragonfly_max_latency = 0;


static long long       total_hops = 0;
static long long       N_finished_packets = 0;
static long long       total_msg_sz = 0;
static long long       N_finished_msgs = 0;
static long long       N_finished_chunks = 0;

486 487 488 489 490 491 492 493 494 495
/* convert ns to seconds */
static tw_stime ns_to_s(tw_stime ns)
{
        return(ns / (1000.0 * 1000.0 * 1000.0));
}

static double bytes_to_gigabytes(double bytes)
{
    return bytes / (double) (1024 * 1024 * 1024);
}
496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512
static int dragonfly_rank_hash_compare(
        void *key, struct qhash_head *link)
{
    struct dfly_hash_key *message_key = (struct dfly_hash_key *)key;
    struct dfly_qhash_entry *tmp = NULL;

    tmp = qhash_entry(link, struct dfly_qhash_entry, hash_link);
    
    if (tmp->key.message_id == message_key->message_id
            && tmp->key.sender_id == message_key->sender_id)
        return 1;

    return 0;
}
static int dragonfly_hash_func(void *k, int table_size)
{
    struct dfly_hash_key *tmp = (struct dfly_hash_key *)k;
513 514 515 516
    uint32_t pc = 0, pb = 0;	
    bj_hashlittle2(tmp, sizeof(*tmp), &pc, &pb);
    return (int)(pc % (table_size - 1));
    /*uint64_t key = (~tmp->message_id) + (tmp->message_id << 18);
517 518 519
    key = key * 21;
    key = ~key ^ (tmp->sender_id >> 4);
    key = key * tmp->sender_id; 
520
    return (int)(key & (table_size - 1));*/
521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538
}

/* convert GiB/s and bytes to ns */
static tw_stime bytes_to_ns(uint64_t bytes, double GB_p_s)
{
    tw_stime time;

    /* bytes to GB */
    time = ((double)bytes)/(1024.0*1024.0*1024.0);
    /* GiB to s */
    time = time / GB_p_s;
    /* s to ns */
    time = time * 1000.0 * 1000.0 * 1000.0;

    return(time);
}

/* returns the dragonfly message size */
539
int dragonfly_custom_get_msg_sz(void)
540
{
541
	   return sizeof(terminal_custom_message);
542 543 544 545
}

static void free_tmp(void * ptr)
{
546
    struct dfly_qhash_entry * dfly = (dfly_qhash_entry *)ptr; 
547 548 549 550 551
    if(dfly->remote_event_data)
        free(dfly->remote_event_data);
   
    if(dfly)
        free(dfly);
552
}
553

554 555 556 557 558 559 560 561 562
int get_vcg_from_category(terminal_custom_message * msg)
{
   if(strcmp(msg->category, "high") == 0)
       return Q_HIGH;
   else if(strcmp(msg->category, "medium") == 0)
       return Q_MEDIUM;
   else
       tw_error(TW_LOC, "\n priority needs to be specified with qos_levels>1 %d", msg->category);
}
563 564 565
static void append_to_terminal_custom_message_list(  
        terminal_custom_message_list ** thisq,
        terminal_custom_message_list ** thistail,
566
        int index, 
567
        terminal_custom_message_list *msg) {
568
//    printf("\n msg id %d ", msg->msg.packet_ID);
569 570 571
    if(thisq[index] == NULL) {
        thisq[index] = msg;
    } else {
572
        assert(thistail[index] != NULL);
573 574 575 576
        thistail[index]->next = msg;
        msg->prev = thistail[index];
    } 
    thistail[index] = msg;
577
//    printf("\n done adding %d ", msg->msg.packet_ID);
578 579
}

580 581 582
static void prepend_to_terminal_custom_message_list(  
        terminal_custom_message_list ** thisq,
        terminal_custom_message_list ** thistail,
583
        int index, 
584
        terminal_custom_message_list *msg) {
585 586 587 588 589 590 591 592 593
    if(thisq[index] == NULL) {
        thistail[index] = msg;
    } else {
        thisq[index]->prev = msg;
        msg->next = thisq[index];
    } 
    thisq[index] = msg;
}

594 595 596
static terminal_custom_message_list* return_head(
        terminal_custom_message_list ** thisq,
        terminal_custom_message_list ** thistail,
597
        int index) {
598
    terminal_custom_message_list *head = thisq[index];
599 600 601 602 603 604 605 606 607 608 609 610
    if(head != NULL) {
        thisq[index] = head->next;
        if(head->next != NULL) {
            head->next->prev = NULL;
            head->next = NULL;
        } else {
            thistail[index] = NULL;
        }
    }
    return head;
}

611 612 613
static terminal_custom_message_list* return_tail(
        terminal_custom_message_list ** thisq,
        terminal_custom_message_list ** thistail,
614
        int index) {
615
    terminal_custom_message_list *tail = thistail[index];
616 617 618 619 620 621 622 623 624 625 626
    assert(tail);
    if(tail->prev != NULL) {
        tail->prev->next = NULL;
        thistail[index] = tail->prev;
        tail->prev = NULL;
    } else {
        thistail[index] = NULL;
        thisq[index] = NULL;
    }
    return tail;
}
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652
/* TODO: Differentiate between local and global bandwidths. */
static int get_rtr_bandwidth_consumption(router_state * s, int qos_lvl, int output_port)
{
    assert(qos_lvl >= Q_HIGH && qos_lvl <= Q_LOW);
    assert(output_port < s->params->intra_grp_radix + s->params->num_global_channels + s->params->num_cn);

    int bandwidth = s->params->cn_bandwidth;
    if(output_port < s->params->intra_grp_radix)
        bandwidth = s->params->local_bandwidth;
    else if(output_port < s->params->intra_grp_radix + s->params->num_global_channels)
        bandwidth = s->params->global_bandwidth;

    /* conversion into bytes from GiB */
    double max_bw = bandwidth * 1024.0 * 1024.0 * 1024.0;
    double max_bw_per_ns = max_bw / (1000.0 * 1000.0 * 1000.0);
    double max_bytes_per_win = max_bw_per_ns * bw_reset_window;

    /* bw_consumed would be in Gigabytes per second. */
//    tw_stime reset_window_s = ns_to_s(bw_reset_window);
//    double bw_gib = bytes_to_gigabytes(s->qos_data[output_port][qos_lvl]);
//    double bw_consumed = ((double)bw_gib / (double)reset_window_s);
    int percent_bw = (((double)s->qos_data[output_port][qos_lvl]) / max_bytes_per_win) * 100;
//    printf("\n percent bw consumed by qos_lvl %d is %d bytes transferred %d max_bw %lf ", qos_lvl, percent_bw, s->qos_data[output_port][qos_lvl], max_bw_per_ns);
    return percent_bw;

}
653

654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685
void dragonfly_print_params(const dragonfly_param *p)
{
    int myRank;
    MPI_Comm_rank(MPI_COMM_CODES, &myRank);
    if (!myRank) { 
        printf("\n------------------ Dragonfly Custom Parameters ---------\n");
        printf("\tnum_routers =            %d\n",p->num_routers);
        printf("\tlocal_bandwidth =        %.2f\n",p->local_bandwidth);
        printf("\tglobal_bandwidth =       %.2f\n",p->global_bandwidth);
        printf("\tcn_bandwidth =           %.2f\n",p->cn_bandwidth);
        printf("\tnum_vcs =                %d\n",p->num_vcs);
        printf("\tlocal_vc_size =          %d\n",p->local_vc_size);
        printf("\tglobal_vc_size =         %d\n",p->global_vc_size);
        printf("\tcn_vc_size =             %d\n",p->cn_vc_size);
        printf("\tchunk_size =             %d\n",p->chunk_size);
        printf("\tnum_cn =                 %d\n",p->num_cn);
        printf("\tintra_grp_radix =        %d\n",p->intra_grp_radix);
        printf("\tnum_col_chans =          %d\n",p->num_col_chans);
        printf("\tnum_row_chans =          %d\n",p->num_row_chans);
        printf("\tnum_router_rows =        %d\n",p->num_router_rows);
        printf("\tnum_router_cols =        %d\n",p->num_router_cols);
        printf("\tnum_groups =             %d\n",p->num_groups);
        printf("\tradix =                  %d\n",p->radix);
        printf("\ttotal_routers =          %d\n",p->total_routers);
        printf("\ttotal_terminals =        %d\n",p->total_terminals);
        printf("\tnum_global_channels =    %d\n",p->num_global_channels);
        printf("\tcn_delay =               %.2f\n",p->cn_delay);
        printf("\tlocal_delay =            %.2f\n",p->local_delay);
        printf("\tglobal_delay =           %.2f\n",p->global_delay);
        printf("\tcredit_delay =           %.2f\n",p->credit_delay);
        printf("\trouter_delay =           %.2f\n",p->router_delay);
        printf("\trouting =                %d\n",routing);
686
        printf("\tmax hops notification =  %d\n",p->max_hops_notify);
687 688 689 690
        printf("------------------------------------------------------\n\n");
    }
}

691
static void dragonfly_read_config(const char * anno, dragonfly_param *params){
692 693 694 695 696 697 698 699
    /*Adding init for router magic number*/
    uint32_t h1 = 0, h2 = 0; 
    bj_hashlittle2(LP_METHOD_NM_ROUT, strlen(LP_METHOD_NM_ROUT), &h1, &h2);
    router_magic_num = h1 + h2;
    
    bj_hashlittle2(LP_METHOD_NM_TERM, strlen(LP_METHOD_NM_TERM), &h1, &h2);
    terminal_magic_num = h1 + h2;
    
700 701
    // shorthand
    dragonfly_param *p = params;
702
    int myRank;
703
    MPI_Comm_rank(MPI_COMM_CODES, &myRank);
704

705
    int rc = configuration_get_value_int(&config, "PARAMS", "local_vc_size", anno, &p->local_vc_size);
706 707 708 709 710
    if(rc) {
        p->local_vc_size = 1024;
        fprintf(stderr, "Buffer size of local channels not specified, setting to %d\n", p->local_vc_size);
    }

711
    rc = configuration_get_value_int(&config, "PARAMS", "num_qos_levels", anno, &p->num_qos_levels);
712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745
    if(rc) {
        p->num_qos_levels = 1;
        fprintf(stderr, "Number of QOS levels not specified, setting to %d\n", p->num_qos_levels);
    }

    char qos_levels_str[MAX_NAME_LENGTH];
    rc = configuration_get_value(&config, "PARAMS", "qos_bandwidth", anno, qos_levels_str, MAX_NAME_LENGTH);
    p->qos_bandwidths = (int*)calloc(p->num_qos_levels, sizeof(int));

    if(p->num_qos_levels > 1)
    {
        int total_bw = 0;
        char * token;
        token = strtok(qos_levels_str, ",");
        int i = 0;
        while(token != NULL)
        {
            sscanf(token, "%d", &p->qos_bandwidths[i]);
            total_bw += p->qos_bandwidths[i];
            if(p->qos_bandwidths[i] <= 0)
            {
                tw_error(TW_LOC, "\n Invalid bandwidth levels");
            }
            i++;
            token = strtok(NULL,",");
        }
        assert(total_bw <= 100);
    }
    else
        p->qos_bandwidths[0] = 100;
    rc = configuration_get_value_double(&config, "PARAMS", "max_qos_monitor", anno, &max_qos_monitor);
    if(rc) {
        printf("\n Setting adaptive threshold to %lf ", max_qos_monitor);
	}
746 747 748
    rc = configuration_get_value_int(&config, "PARAMS", "adaptive_threshold", anno, &adaptive_threshold);
    if(rc) {
    	adaptive_threshold = p->local_vc_size / 8;
749
        printf("\n Setting adaptive threshold to %d ", adaptive_threshold);
750
	}
751 752 753 754
    else
    {
        printf("\n Setting adaptive threshold to %d ", adaptive_threshold);
    }
755

756 757 758 759 760 761
    rc = configuration_get_value_int(&config, "PARAMS", "global_vc_size", anno, &p->global_vc_size);
    if(rc) {
        p->global_vc_size = 2048;
        fprintf(stderr, "Buffer size of global channels not specified, setting to %d\n", p->global_vc_size);
    }

762 763 764 765
    rc = configuration_get_value_int(&config, "PARAMS", "df-dally-vc", anno, &DF_DALLY);
    if(rc) {
        DF_DALLY = 0;
    }
766 767 768 769 770
    
    rc = configuration_get_value_int(&config, "PARAMS", "minimal-bias", anno, &BIAS_MIN);
    if(rc) {
        BIAS_MIN = 0;
    }
771 772 773
    else
	printf("\n Setting minimal bias");

774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803
    rc = configuration_get_value_int(&config, "PARAMS", "cn_vc_size", anno, &p->cn_vc_size);
    if(rc) {
        p->cn_vc_size = 1024;
        fprintf(stderr, "Buffer size of compute node channels not specified, setting to %d\n", p->cn_vc_size);
    }

    rc = configuration_get_value_int(&config, "PARAMS", "chunk_size", anno, &p->chunk_size);
    if(rc) {
        p->chunk_size = 512;
        fprintf(stderr, "Chunk size for packets is specified, setting to %d\n", p->chunk_size);
    }

    rc = configuration_get_value_double(&config, "PARAMS", "local_bandwidth", anno, &p->local_bandwidth);
    if(rc) {
        p->local_bandwidth = 5.25;
        fprintf(stderr, "Bandwidth of local channels not specified, setting to %lf\n", p->local_bandwidth);
    }

    rc = configuration_get_value_double(&config, "PARAMS", "global_bandwidth", anno, &p->global_bandwidth);
    if(rc) {
        p->global_bandwidth = 4.7;
        fprintf(stderr, "Bandwidth of global channels not specified, setting to %lf\n", p->global_bandwidth);
    }

    rc = configuration_get_value_double(&config, "PARAMS", "cn_bandwidth", anno, &p->cn_bandwidth);
    if(rc) {
        p->cn_bandwidth = 5.25;
        fprintf(stderr, "Bandwidth of compute node channels not specified, setting to %lf\n", p->cn_bandwidth);
    }

804
    rc = configuration_get_value_double(&config, "PARAMS", "router_delay", anno,
805
            &p->router_delay);
806
    if(rc) {
807 808
      p->router_delay = 100;
    }
809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825

    configuration_get_value(&config, "PARAMS", "cn_sample_file", anno, cn_sample_file,
            MAX_NAME_LENGTH);
    configuration_get_value(&config, "PARAMS", "rt_sample_file", anno, router_sample_file,
            MAX_NAME_LENGTH);
    
    char routing_str[MAX_NAME_LENGTH];
    configuration_get_value(&config, "PARAMS", "routing", anno, routing_str,
            MAX_NAME_LENGTH);
    if(strcmp(routing_str, "minimal") == 0)
        routing = MINIMAL;
    else if(strcmp(routing_str, "nonminimal")==0 || 
            strcmp(routing_str,"non-minimal")==0)
        routing = NON_MINIMAL;
    else if (strcmp(routing_str, "adaptive") == 0)
        routing = ADAPTIVE;
    else if (strcmp(routing_str, "prog-adaptive") == 0)
826
	      routing = PROG_ADAPTIVE;
827 828 829 830 831 832 833
    else
    {
        fprintf(stderr, 
                "No routing protocol specified, setting to minimal routing\n");
        routing = -1;
    }

834 835 836 837 838 839
    rc = configuration_get_value_int(&config, "PARAMS", "notification_on_hops_greater_than", anno, &p->max_hops_notify);
    if (rc) {
        printf("Maximum hops for notifying not specified, setting to INT MAX\n");
        p->max_hops_notify = INT_MAX;
    }

840 841 842 843 844 845 846 847 848 849
    // rc = configuration_get_value_int(&config, "PARAMS", "num_vcs_override", anno, &p->num_vcs);
    // if(rc) {
    //     if(routing == PROG_ADAPTIVE)
    //         p->num_vcs = 10;
    //     else
    //         p->num_vcs = 8;
    // }
    // else {
    //     printf("Overriding num_vcs: p->num_vcs=%d\n",p->num_vcs);
    // }
850 851 852
   
if(DF_DALLY == 0) 
{
853 854 855
    //if(routing == PROG_ADAPTIVE)
    //    p->num_vcs = 10;
    //else
856
        p->num_vcs = 8;
857 858 859
}
else
{
860
        p->num_vcs = 4;
861
}
862 863 864
    if(p->num_qos_levels > 1)
        p->num_vcs = p->num_qos_levels * p->num_vcs;

865 866 867
    rc = configuration_get_value_int(&config, "PARAMS", "num_groups", anno, &p->num_groups);
    if(rc) {
      printf("Number of groups not specified. Aborting");
868
      MPI_Abort(MPI_COMM_CODES, 1);
869
    }
870 871 872 873 874
    rc = configuration_get_value_int(&config, "PARAMS", "num_col_chans", anno, &p->num_col_chans);
    if(rc) {
//        printf("\n Number of links connecting chassis not specified, setting to default value 3 ");
        p->num_col_chans = 3;
    }
875 876 877 878 879
    rc = configuration_get_value_int(&config, "PARAMS", "num_row_chans", anno, &p->num_row_chans);
    if(rc) {
//        printf("\n Number of links connecting chassis not specified, setting to default value 3 ");
        p->num_row_chans = 1;
    }
880 881 882 883 884 885 886 887 888 889
    rc = configuration_get_value_int(&config, "PARAMS", "num_router_rows", anno, &p->num_router_rows);
    if(rc) {
        printf("\n Number of router rows not specified, setting to 6 ");
        p->num_router_rows = 6;
    }
    rc = configuration_get_value_int(&config, "PARAMS", "num_router_cols", anno, &p->num_router_cols);
    if(rc) {
        printf("\n Number of router columns not specified, setting to 16 ");
        p->num_router_cols = 16;
    }
890 891 892 893
    p->intra_grp_radix = (p->num_router_cols * p->num_row_chans);
    if(p->num_router_rows > 1)
        p->intra_grp_radix += (p->num_router_rows * p->num_col_chans);

894 895
    p->num_routers = p->num_router_rows * p->num_router_cols;
    
896
    rc = configuration_get_value_int(&config, "PARAMS", "num_cns_per_router", anno, &p->num_cn);
897
    if(rc) {
898 899
        printf("\n Number of cns per router not specified, setting to %d ", p->num_routers/2);
        p->num_cn = p->num_routers/2;
900
    }
901

902 903
    rc = configuration_get_value_int(&config, "PARAMS", "num_global_channels", anno, &p->num_global_channels);
    if(rc) {
904 905
        printf("\n Number of global channels per router not specified, setting to 10 ");
        p->num_global_channels = 10;
906
    }
907
    p->radix = p->intra_grp_radix + p->num_global_channels + p->num_cn;
908 909
    p->total_routers = p->num_groups * p->num_routers;
    p->total_terminals = p->total_routers * p->num_cn;
910 911 912 913
    
    // read intra group connections, store from a router's perspective
    // all links to the same router form a vector
    char intraFile[MAX_NAME_LENGTH];
914
    configuration_get_value(&config, "PARAMS", "intra-group-connections", 
915
        anno, intraFile, MAX_NAME_LENGTH);
916 917
    if(strlen(intraFile) <= 0) {
      tw_error(TW_LOC, "Intra group connections file not specified. Aborting");
918 919
    }
    FILE *groupFile = fopen(intraFile, "rb");
920 921 922
    if(!groupFile)
        tw_error(TW_LOC, "intra-group file not found ");

923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944
    if(!myRank)
      printf("Reading intra-group connectivity file: %s\n", intraFile);

    {
      vector< int > offsets;
      offsets.resize(p->num_routers, 0);
      intraGroupLinks.resize(p->num_routers);
      IntraGroupLink newLink;

      while(fread(&newLink, sizeof(IntraGroupLink), 1, groupFile) != 0) {
        Link tmpLink;
        tmpLink.type = newLink.type;
        tmpLink.offset = offsets[newLink.src]++;
        intraGroupLinks[newLink.src][newLink.dest].push_back(tmpLink);
      }
    }

    fclose(groupFile);

    // read inter group connections, store from a router's perspective
    // also create a group level table that tells all the connecting routers
    char interFile[MAX_NAME_LENGTH];
945
    configuration_get_value(&config, "PARAMS", "inter-group-connections", 
946
        anno, interFile, MAX_NAME_LENGTH);
947 948
    if(strlen(interFile) <= 0) {
      tw_error(TW_LOC, "Inter group connections file not specified. Aborting");
949 950 951
    }
    FILE *systemFile = fopen(interFile, "rb");
    if(!myRank)
952
    {
953
      printf("Reading inter-group connectivity file: %s\n", interFile);
954 955
      printf("\n Total routers %d total groups %d ", p->total_routers, p->num_groups);
    }
956 957 958 959 960 961 962 963 964

    {
      vector< int > offsets;
      offsets.resize(p->total_routers, 0);
      interGroupLinks.resize(p->total_routers);
      connectionList.resize(p->num_groups);
      for(int g = 0; g < connectionList.size(); g++) {
        connectionList[g].resize(p->num_groups);
      }
965
      
966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
      InterGroupLink newLink;

      while(fread(&newLink, sizeof(InterGroupLink), 1, systemFile) != 0) {
        bLink tmpLink;
        tmpLink.dest = newLink.dest;
        int srcG = newLink.src / p->num_routers;
        int destG = newLink.dest / p->num_routers;
        tmpLink.offset = offsets[newLink.src]++;
        interGroupLinks[newLink.src][destG].push_back(tmpLink);
        int r;
        for(r = 0; r < connectionList[srcG][destG].size(); r++) {
          if(connectionList[srcG][destG][r] == newLink.src) break;
        }
        if(r == connectionList[srcG][destG].size()) {
          connectionList[srcG][destG].push_back(newLink.src);
        }
      }
    }

    fclose(systemFile);

987
#if DUMP_CONNECTIONS == 1
988 989 990 991 992 993 994 995
    printf("Dumping intra-group connections\n");
    for(int a = 0; a < intraGroupLinks.size(); a++) {
      printf("Connections for router %d\n", a);
      map< int, vector<Link> >  &curMap = intraGroupLinks[a];
      map< int, vector<Link> >::iterator it = curMap.begin();
      for(; it != curMap.end(); it++) {
        printf(" ( %d - ", it->first);
        for(int l = 0; l < it->second.size(); l++) {
996
          // offset is number of local connections
997
          // type is black or green according to Cray architecture 
998 999 1000 1001 1002 1003 1004
          printf("%d,%d ", it->second[l].offset, it->second[l].type);
        }
        printf(")");
      }
      printf("\n");
    }
#endif
1005
#if DUMP_CONNECTIONS == 1
1006 1007 1008
    printf("Dumping inter-group connections\n");
    for(int a = 0; a < interGroupLinks.size(); a++) {
      printf("Connections for router %d\n", a);
1009 1010
      map< int, vector<bLink> >  &curMap = interGroupLinks[a];
      map< int, vector<bLink> >::iterator it = curMap.begin();
1011
      for(; it != curMap.end(); it++) {
1012
        // dest group ID 
1013 1014
        printf(" ( %d - ", it->first);
        for(int l = 0; l < it->second.size(); l++) {
1015 1016
            // dest is dest router ID
            // offset is number of global connections
1017 1018 1019 1020 1021 1022 1023 1024
          printf("%d,%d ", it->second[l].offset, it->second[l].dest);
        }
        printf(")");
      }
      printf("\n");
    }
#endif

1025
#if DUMP_CONNECTIONS == 1
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
    printf("Dumping source aries for global connections\n");
    for(int g = 0; g < p->num_groups; g++) {
      for(int g1 = 0; g1 < p->num_groups; g1++) {
        printf(" ( ");
        for(int l = 0; l < connectionList[g][g1].size(); l++) {
          printf("%d ", connectionList[g][g1][l]);
        }
        printf(")");
      }
      printf("\n");
    }
#endif
    if(!myRank) {
1039
        printf("\n Total nodes %d routers %d groups %d routers per group %d radix %d\n",
1040
                p->num_cn * p->total_routers, p->total_routers, p->num_groups,
1041
                p->num_routers, p->radix);
1042
    }
1043

1044 1045 1046
    p->cn_delay = bytes_to_ns(p->chunk_size, p->cn_bandwidth);
    p->local_delay = bytes_to_ns(p->chunk_size, p->local_bandwidth);
    p->global_delay = bytes_to_ns(p->chunk_size, p->global_bandwidth);
1047
    p->credit_delay = bytes_to_ns(CREDIT_SIZE, p->local_bandwidth); //assume 8 bytes packet
1048 1049 1050 1051 1052

    if (PRINT_CONFIG) 
        dragonfly_print_params(p);

    stored_params = p;
1053 1054
}

1055
void dragonfly_custom_configure(){
1056 1057 1058
    anno_map = codes_mapping_get_lp_anno_map(LP_CONFIG_NM_TERM);
    assert(anno_map);
    num_params = anno_map->num_annos + (anno_map->has_unanno_lp > 0);
1059
    all_params = (dragonfly_param *)calloc(num_params, sizeof(*all_params));
1060 1061 1062 1063 1064 1065 1066 1067

    for (int i = 0; i < anno_map->num_annos; i++){
        const char * anno = anno_map->annotations[i].ptr;
        dragonfly_read_config(anno, &all_params[i]);
    }
    if (anno_map->has_unanno_lp > 0){
        dragonfly_read_config(NULL, &all_params[anno_map->num_annos]);
    }
1068 1069 1070
#ifdef ENABLE_CORTEX
	model_net_topology = dragonfly_custom_cortex_topology;
#endif
1071 1072 1073
}

/* report dragonfly statistics like average and maximum packet latency, average number of hops traversed */
1074
void dragonfly_custom_report_stats()
1075 1076 1077 1078 1079 1080
{
   long long avg_hops, total_finished_packets, total_finished_chunks;
   long long total_finished_msgs, final_msg_sz;
   tw_stime avg_time, max_time;
   int total_minimal_packets, total_nonmin_packets;
   long total_gen, total_fin;
1081
   long total_local_packets_sr, total_local_packets_sg, total_remote_packets;
1082

1083 1084 1085 1086 1087 1088 1089
   MPI_Reduce( &total_hops, &avg_hops, 1, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_CODES);
   MPI_Reduce( &N_finished_packets, &total_finished_packets, 1, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_CODES);
   MPI_Reduce( &N_finished_msgs, &total_finished_msgs, 1, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_CODES);
   MPI_Reduce( &N_finished_chunks, &total_finished_chunks, 1, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_CODES);
   MPI_Reduce( &total_msg_sz, &final_msg_sz, 1, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_CODES);
   MPI_Reduce( &dragonfly_total_time, &avg_time, 1,MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_CODES);
   MPI_Reduce( &dragonfly_max_latency, &max_time, 1, MPI_DOUBLE, MPI_MAX, 0, MPI_COMM_CODES);
1090
   
1091
   MPI_Reduce( &packet_gen, &total_gen, 1, MPI_LONG, MPI_SUM, 0, MPI_COMM_CODES);
1092
   MPI_Reduce(&packet_fin, &total_fin, 1, MPI_LONG, MPI_SUM, 0, MPI_COMM_CODES);
1093 1094
    MPI_Reduce( &num_local_packets_sr, &total_local_packets_sr, 1, MPI_LONG, MPI_SUM, 0, MPI_COMM_CODES);
    MPI_Reduce( &num_local_packets_sg, &total_local_packets_sg, 1, MPI_LONG, MPI_SUM, 0, MPI_COMM_CODES);
1095
   MPI_Reduce( &num_remote_packets, &total_remote_packets, 1, MPI_LONG, MPI_SUM, 0, MPI_COMM_CODES);
1096
   if(routing == ADAPTIVE || routing == PROG_ADAPTIVE || SHOW_ADAP_STATS)
1097
    {
1098 1099
	MPI_Reduce(&minimal_count, &total_minimal_packets, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_CODES);
 	MPI_Reduce(&nonmin_count, &total_nonmin_packets, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_CODES);
1100 1101 1102 1103 1104
    }

   /* print statistics */
   if(!g_tw_mynode)
   {	
1105 1106 1107
    if (PRINT_CONFIG) 
        dragonfly_print_params(stored_params);

1108 1109
      printf(" Average number of hops traversed %f average chunk latency %lf us maximum chunk latency %lf us avg message size %lf bytes finished messages %lld finished chunks %lld \n", 
              (float)avg_hops/total_finished_chunks, avg_time/(total_finished_chunks*1000), max_time/1000, (float)final_msg_sz/total_finished_msgs, total_finished_msgs, total_finished_chunks);
1110
     if(routing == ADAPTIVE || routing == PROG_ADAPTIVE || SHOW_ADAP_STATS)
1111 1112 1113
              printf("\n ADAPTIVE ROUTING STATS: %d chunks routed minimally %d chunks routed non-minimally completed packets %lld \n", 
                      total_minimal_packets, total_nonmin_packets, total_finished_chunks);
 
1114
      printf("\n Total packets generated %ld finished %ld Locally routed- same router %ld different-router %ld Remote (inter-group) %ld \n", total_gen, total_fin, total_local_packets_sr, total_local_packets_sg, total_remote_packets);
1115 1116 1117 1118
   }
   return;
}

1119 1120
void issue_bw_monitor_event_rc(terminal_state * s, tw_bf * bf, terminal_custom_message * msg, tw_lp * lp)
{
1121 1122 1123
    for(int i = 0 ; i < msg->num_cll; i++)
        codes_local_latency_reverse(lp);
    
1124
    int num_qos_levels = s->params->num_qos_levels;
1125 1126
    int num_term_rc_wins = s->num_term_rc_windows;
    int rc_index = msg->qos_index;
1127

1128 1129
    for(int k = 0; k < num_qos_levels; k++)
    {
1130 1131 1132 1133
        s->qos_status[k] = *(indexer2d(s->last_qos_status, rc_index, k, num_term_rc_wins, num_qos_levels));
        s->qos_data[k] = *(indexer2d(s->last_qos_data, rc_index, k, num_term_rc_wins, num_qos_levels));
        *(indexer2d(s->last_qos_status, rc_index, k, num_term_rc_wins, num_qos_levels)) = 0;
        *(indexer2d(s->last_qos_data, rc_index, k, num_term_rc_wins, num_qos_levels)) = 0;
1134 1135 1136 1137 1138
    }
}
/* resets the bandwidth numbers recorded so far */
void issue_bw_monitor_event(terminal_state * s, tw_bf * bf, terminal_custom_message * msg, tw_lp * lp)
{
1139 1140 1141
   
    msg->num_cll = 0;
    msg->num_rngs = 0;
1142
    int num_qos_levels = s->params->num_qos_levels;
1143
    int rc_index = s->rc_index;
1144 1145 1146
    int num_term_rc_wins = s->num_term_rc_windows;

    /* dynamically reallocate array if index has reached max-size */
1147
    if(s->rc_index >= s->num_term_rc_windows)
1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
    {
        s->num_term_rc_windows *= 2;
        int * tmp1 = (int*)calloc(s->num_term_rc_windows * num_qos_levels, sizeof(int));
        int * tmp2 = (int*)calloc(s->num_term_rc_windows * num_qos_levels, sizeof(int));
        
        /* now copy elements one by one. can't use memcpy with 2d array. */
        for(int i = 0; i < s->num_term_rc_windows; i++)
        {
            for(int j = 0; j < num_qos_levels; j++)
            {
            *(indexer2d(tmp1, i, j,  s->num_term_rc_windows, num_qos_levels)) = *(indexer2d(s->last_qos_status, i, j,  num_term_rc_wins, num_qos_levels));
            *(indexer2d(tmp2, i, j, s->num_term_rc_windows, num_qos_levels)) = *(indexer2d(s->last_qos_data, i, j,  num_term_rc_wins, num_qos_levels)); 
            }
        }
       free(s->last_qos_status);
       free(s->last_qos_data);

       s->last_qos_status = tmp1;
       s->last_qos_data = tmp2;
    }
1168 1169 1170
    /* Reset the qos status and bandwidth consumption. */
    for(int k = 0; k < num_qos_levels; k++)
    {
1171 1172
        *(indexer2d(s->last_qos_status, rc_index, k,  num_term_rc_wins, num_qos_levels)) = s->qos_status[k];
        *(indexer2d(s->last_qos_data, rc_index, k,  num_term_rc_wins, num_qos_levels)) = s->qos_data[k];
1173 1174 1175
        s->qos_status[k] = Q_ACTIVE;
        s->qos_data[k] = 0;
    }
1176
    msg->qos_index = s->rc_index;        
1177
    s->rc_index++;
1178 1179
    assert(s->rc_index < s->num_term_rc_windows); 
    
1180
/*    if(s->router_id == 0)
1181 1182 1183 1184
    {
       fprintf(dragonfly_term_bw_log, "\n %d %lf %lf ", s->terminal_id, tw_now(lp), s->busy_time_sample);
       s->busy_time_sample = 0;
    }
1185
  */  
1186 1187
    if(tw_now(lp) > max_qos_monitor)
        return;
1188 1189
    
    msg->num_cll++;
1190 1191 1192 1193 1194 1195 1196 1197
    terminal_custom_message * m; 
    tw_stime bw_ts = bw_reset_window + codes_local_latency(lp);
    tw_event * e = model_net_method_event_new(lp->gid, bw_ts, lp, DRAGONFLY_CUSTOM,
            (void**)&m, NULL); 
    m->type = T_BANDWIDTH;
    m->magic = terminal_magic_num; 
    tw_event_send(e);
}
1198

1199 1200 1201
void issue_rtr_bw_monitor_event_rc(router_state * s, tw_bf * bf, terminal_custom_message * msg, tw_lp * lp)
{
    int num_qos_levels = s->params->num_qos_levels; 
1202
    int rc_index = msg->qos_index;
1203

1204 1205 1206
    for(int i = 0 ; i < msg->num_cll; i++)
        codes_local_latency_reverse(lp);
    
1207 1208 1209 1210
    for(int j = 0; j < s->params->radix; j++)
    {
        for(int k = 0; k < num_qos_levels; k++)  
        {
1211 1212 1213 1214
            s->qos_status[j][k] = *(indexer3d(s->last_qos_status, rc_index, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels));
            s->qos_data[j][k] = *(indexer3d(s->last_qos_data, rc_index, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels));
            *(indexer3d(s->last_qos_status, rc_index, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = 0;
            *(indexer3d(s->last_qos_data, rc_index, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = 0;
1215 1216 1217 1218 1219
        }
    }
}
void issue_rtr_bw_monitor_event(router_state * s, tw_bf * bf, terminal_custom_message * msg, tw_lp * lp)
{
1220 1221
    msg->num_cll = 0;
    msg->num_rngs = 0;
1222 1223

    int num_qos_levels = s->params->num_qos_levels;
1224
    int rc_index = s->rc_index;
1225
    int num_rtr_rc_windows = s->num_rtr_rc_windows;
1226

1227
    /* dynamically reallocate the array.. */
1228
    if(s->rc_index >= s->num_rtr_rc_windows)
1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252
    {
        s->num_rtr_rc_windows *= 2;
        int * tmp1 = (int*)calloc(s->num_rtr_rc_windows * s->params->radix * num_qos_levels, sizeof(int));
        int * tmp2 = (int*)calloc(s->num_rtr_rc_windows * s->params->radix * num_qos_levels, sizeof(int));
        /* now copy elements one by one. can't use memcpy with 2d array. */
        for(int i = 0; i < num_rtr_rc_windows; i++)
        {
            for(int j = 0; j < s->params->radix; j++)
            {
                for(int k = 0; k < num_qos_levels; k++)
                {
                      *(indexer3d(tmp1, i, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = *(indexer3d(s->last_qos_status, i, j, k, num_rtr_rc_windows, s->params->radix, num_qos_levels));
                      *(indexer3d(tmp2, i, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = *(indexer3d(s->last_qos_data, i, j, k, num_rtr_rc_windows, s->params->radix, num_qos_levels));
                }
            }
        }
        free(s->last_qos_status);
        free(s->last_qos_data);

        s->last_qos_status = tmp1;
        s->last_qos_data = tmp2;
    }
    assert(rc_index < s->num_rtr_rc_windows && rc_index >= 0);
   
1253 1254 1255 1256
    for(int j = 0; j < s->params->radix; j++)
    {
        for(int k = 0; k < num_qos_levels; k++)
        {
1257 1258
                      *(indexer3d(s->last_qos_status, rc_index, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = s->qos_status[j][k];
                      *(indexer3d(s->last_qos_data, rc_index, j, k, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = s->qos_data[j][k];
1259 1260
        }
    }
1261 1262
    
    msg->qos_index = s->rc_index;
1263
    s->rc_index++;
1264
    
1265 1266 1267 1268 1269
    for(int j = 0; j < s->params->radix; j++)
    {
        for(int k = 0; k < num_qos_levels; k++)
        {
            int bw_consumed = get_rtr_bandwidth_consumption(s, k, j);
1270
            if(s->qos_data[j][k] > 0)
1271
            {
1272
                fprintf(dragonfly_rtr_bw_log, "\n %d %f %d %d %d %d %d %f", s->router_id, tw_now(lp), j, k, bw_consumed, s->qos_status[j][k], s->qos_data[j][k], s->busy_time_sample[j]);
1273 1274
            
            }
1275 1276 1277 1278 1279 1280 1281 1282 1283 1284
        }
    }
    for(int j = 0; j < s->params->radix; j++)
    {
        /* Reset the qos status and bandwidth consumption. */
        for(int k = 0; k < num_qos_levels; k++)
        {
            s->qos_status[j][k] = Q_ACTIVE;
            s->qos_data[j][k] = 0;
        }
1285
        //s->busy_time_sample[j] = 0;
1286 1287 1288 1289
    }
    
    if(tw_now(lp) > max_qos_monitor)
        return;
1290 1291
    
    msg->num_cll++;
1292 1293 1294 1295 1296 1297 1298 1299
    tw_stime bw_ts = bw_reset_window + codes_local_latency(lp);
    terminal_custom_message *m;
    tw_event * e = model_net_method_event_new(lp->gid, bw_ts, lp,
            DRAGONFLY_CUSTOM_ROUTER, (void**)&m, NULL);
    m->type = R_BANDWIDTH;
    m->magic = router_magic_num;
    tw_event_send(e);
}
1300 1301 1302 1303 1304 1305

void reset_rtr_bw_counters(router_state * s,
		tw_bf * bf, 
		terminal_custom_message * msg, 
        tw_lp * lp)
{
1306 1307
    int num_qos_levels = s->params->num_qos_levels;
    if(msg->type == R_BANDWIDTH)
1308
    {
1309
        for(int k = 0; k < s->num_rtr_rc_windows; k++)
1310 1311 1312
        {   
            for(int i = 0; i < s->params->radix; i++)
            {
1313
                for(int j = 0; j < num_qos_levels; j++)
1314
            {
1315 1316
              *(indexer3d(s->last_qos_status, k, i, j, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = 0;
             *(indexer3d(s->last_qos_data, k, i, j, s->num_rtr_rc_windows, s->params->radix, num_qos_levels)) = 0;
1317 1318 1319
            }
            }
        }
1320
        s->rc_index = 0;
1321 1322 1323 1324 1325 1326 1327
    }
}
void reset_bw_counters(terminal_state * s,
		tw_bf * bf, 
		terminal_custom_message * msg, 
        tw_lp * lp)
{
1328 1329
   int num_qos_levels = s->params->num_qos_levels;
   if(msg->type == T_BANDWIDTH)
1330
   {
1331
        for(int i = 0; i < s->num_term_rc_windows; i++)
1332 1333 1334
        {
            for(int j = 0; j < s->params->num_qos_levels; j++)
            {
1335 1336
              *(indexer2d(s->last_qos_status, i, j, s->num_term_rc_windows, num_qos_levels)) = 0;
             *(indexer2d(s->last_qos_data, i, j, s->num_term_rc_windows, num_qos_levels)) = 0;
1337 1338
            }
        }
1339
        s->rc_index = 0; 
1340 1341
   }
}
1342 1343
/* initialize a dragonfly compute node terminal */
void 
1344
terminal_custom_init( terminal_state * s, 
1345 1346 1347 1348
	       tw_lp * lp )
{
    s->packet_gen = 0;
    s->packet_fin = 0;
1349
    s->is_monitoring_bw = 0;
1350 1351
    s->num_term_rc_windows = 100;
    s->rc_index = 0;
1352

1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369
    int i;
    char anno[MAX_NAME_LENGTH];

    // Assign the global router ID
    // TODO: be annotation-aware
    codes_mapping_get_lp_info(lp->gid, lp_group_name, &mapping_grp_id, NULL,
            &mapping_type_id, anno, &mapping_rep_id, &mapping_offset);
    if (anno[0] == '\0'){
        s->anno = NULL;
        s->params = &all_params[num_params-1];
    }
    else{
        s->anno = strdup(anno);
        int id = configuration_get_annotation_index(anno, anno_map);
        s->params = &all_params[id];
    }

1370
   int num_qos_levels = s->params->num_qos_levels;
1371 1372 1373
   int num_lps = codes_mapping_get_lp_count(lp_group_name, 1, LP_CONFIG_NM_TERM,
           s->anno, 0);

1374
   s->terminal_id = codes_mapping_get_lp_relative_id(lp->gid, 0, 0);
1375
   s->router_id=(int)s->terminal_id / (s->params->num_cn);
1376 1377
   s->terminal_available_time = 0.0;
   s->packet_counter = 0;
1378
   s->min_latency = INT_MAX;
1379
   s->max_latency = 0;  
1380

1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392
   s->finished_msgs = 0;
   s->finished_chunks = 0;
   s->finished_packets = 0;
   s->total_time = 0.0;
   s->total_msg_size = 0;

   s->busy_time = 0.0;

   s->fwd_events = 0;
   s->rev_events = 0;

   rc_stack_create(&s->st);
1393
   s->vc_occupancy = (int*)calloc(num_qos_levels, sizeof(int));
1394
   s->last_buf_full = 0.0;
1395

1396 1397 1398 1399
   s->terminal_length = (int*)calloc(num_qos_levels, sizeof(int));

   /* Whether the virtual channel group is active or over-bw*/
   s->qos_status = (int*)calloc(num_qos_levels, sizeof(int));
1400
   
1401 1402 1403
   /* How much data has been transmitted on the virtual channel group within
    * the window */
   s->qos_data = (int*)calloc(num_qos_levels, sizeof(int));
1404

1405
   /* for reverse handlers */
1406 1407 1408
   s->last_qos_status = (int*)calloc(s->num_term_rc_windows * num_qos_levels, sizeof(int));
   s->last_qos_data = (int*)calloc(s->num_term_rc_windows * num_qos_levels, sizeof(int));
   
1409 1410 1411 1412 1413 1414
   for(i = 0; i < num_qos_levels; i++)
   {
       s->qos_data[i] = 0;
       s->qos_status[i] = Q_ACTIVE;
       s->vc_occupancy[i]=0;
   }
1415

1416
   s->last_qos_lvl = 0;
1417
   s->rank_tbl = NULL;
1418
   s->terminal_msgs = 
1419
       (terminal_custom_message_list**)calloc(num_qos_levels, sizeof(terminal_custom_message_list*));
1420
   s->terminal_msgs_tail = 
1421 1422 1423 1424 1425 1426 1427
       (terminal_custom_message_list**)calloc(num_qos_levels, sizeof(terminal_custom_message_list*));

   for(int i = 0; i < num_qos_levels; i++)
   {
        s->terminal_msgs[i] = NULL;
        s->terminal_msgs_tail[i] = NULL;
   }
1428 1429 1430
   s->in_send_loop = 0;
   s->issueIdle = 0;

1431
    /*if(s->terminal_id == 0)
1432 1433 1434 1435 1436
    {
        char term_bw_log[64];
        sprintf(term_bw_log, "terminal-bw-tracker");
        dragonfly_term_bw_log = fopen(term_bw_log, "w");
        fprintf(dragonfly_term_bw_log, "\n term-id time-stamp port-id busy-time");
1437
    }*/
1438 1439 1440 1441 1442
   return;
}

/* sets up the router virtual channels, global channels, 
 * local channels, compute node channels */
1443
void router_custom_setup(router_state * r, tw_lp * lp)
1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461
{
    
    char anno[MAX_NAME_LENGTH];
    codes_mapping_get_lp_info(lp->gid, lp_group_name, &mapping_grp_id, NULL,
            &mapping_type_id, anno, &mapping_rep_id, &mapping_offset);

    if (anno[0] == '\0'){
        r->anno = NULL;
        r->params = &all_params[num_params-1];
    } else{
        r->anno = strdup(anno);
        int id = configuration_get_annotation_index(anno, anno_map);
        r->params = &all_params[id];
    }

    // shorthand
    const dragonfly_param *p = r->params;

1462
    num_routers_per_mgrp = codes_mapping_get_lp_count (lp_group_name, 1, "modelnet_dragonfly_custom_router",
1463 1464 1465 1466 1467 1468 1469
            NULL, 0);
    int num_grp_reps = codes_mapping_get_group_reps(lp_group_name);
    if(p->total_routers != num_grp_reps * num_routers_per_mgrp)
        tw_error(TW_LOC, "\n Config error: num_routers specified %d total routers computed in the network %d "
                "does not match with repetitions * dragonfly_router %d  ",
                p->num_routers, p->total_routers, num_grp_reps * num_routers_per_mgrp);

1470
   r->router_id = codes_mapping_get_lp_relative_id(lp->gid, 0, 0);
1471
   r->group_id=r->router_id/p->num_routers;
1472
   
1473 1474
   char rtr_bw_log[128];
   sprintf(rtr_bw_log, "router-bw-tracker-%d", g_tw_mynode);
1475
        
1476
   dragonfly_rtr_bw_log = fopen(rtr_bw_log, "w");
1477
       
1478 1479 1480
   if(dragonfly_rtr_bw_log != NULL)
           fprintf(dragonfly_rtr_bw_log, "\n router-id time-stamp port-id qos-level bw-consumed qos-status qos-data busy-time");
   
1481
   //printf("\n Local router id %d global id %d ", r->router_id, lp->gid);