model-net-mpi-replay.c 82.5 KB
Newer Older
1
2
3
4
5
6
7
/*
 * Copyright (C) 2014 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
 */
#include <ross.h>
#include <inttypes.h>
8
#include <sys/stat.h>
9
10
11
12
13
14
15
16

#include "codes/codes-workload.h"
#include "codes/codes.h"
#include "codes/configuration.h"
#include "codes/codes_mapping.h"
#include "codes/model-net.h"
#include "codes/rc-stack.h"
#include "codes/quicklist.h"
17
#include "codes/quickhash.h"
18
#include "codes/codes-jobmap.h"
19

20
/* turning on track lp will generate a lot of output messages */
21
#define MN_LP_NM "modelnet_dragonfly_custom"
22
#define CONTROL_MSG_SZ 64
23
#define TRACE -1
24
#define MAX_WAIT_REQS 512
25
#define CS_LP_DBG 1
26
27
#define RANK_HASH_TABLE_SZ 2000
#define NW_LP_NM "nw-lp"
28
29
30
#define lprintf(_fmt, ...) \
        do {if (CS_LP_DBG) printf(_fmt, __VA_ARGS__);} while (0)
#define MAX_STATS 65536
31
#define PAYLOAD_SZ 1024
32

33
34
35
static int msg_size_hash_compare(
            void *key, struct qhash_head *link);

36
/* NOTE: Message tracking works in sequential mode only! */
37
static int debug_cols = 0;
38
39
40
41
42
/* Turning on this option slows down optimistic mode substantially. Only turn
 * on if you get issues with wait-all completion with traces. */
static int preserve_wait_ordering = 0;
static int enable_msg_tracking = 0;
static int is_synthetic = 0;
43
tw_lpid TRACK_LP = -1;
44

45
static double total_syn_data = 0;
46
static int unmatched = 0;
47
48
49
50
51
char workload_type[128];
char workload_file[8192];
char offset_file[8192];
static int wrkld_id;
static int num_net_traces = 0;
52
static int num_dumpi_traces = 0;
53
static int64_t EAGER_THRESHOLD = 8192;
54

55
static int alloc_spec = 0;
56
57
static tw_stime self_overhead = 10.0;
static tw_stime mean_interval = 100000;
58
59
60

/* Doing LP IO*/
static char lp_io_dir[256] = {'\0'};
61
static char sampling_dir[32] = {'\0'};
62
63
64
65
static lp_io_handle io_handle;
static unsigned int lp_io_use_suffix = 0;
static int do_lp_io = 0;

66
67
68
69
/* variables for loading multiple applications */
char workloads_conf_file[8192];
char alloc_file[8192];
int num_traces_of_job[5];
70
71
72
tw_stime soft_delay_mpi = 2500;
tw_stime nic_delay = 1000;
tw_stime copy_per_byte_eager = 0.55;
73
74
75
76
77
char file_name_of_job[5][8192];

struct codes_jobmap_ctx *jobmap_ctx;
struct codes_jobmap_params_list jobmap_p;

78
79
/* Variables for Cortex Support */
/* Matthieu's additions start */
80
#ifdef ENABLE_CORTEX_PYTHON
81
82
83
static char cortex_file[512] = "\0";
static char cortex_class[512] = "\0";
static char cortex_gen[512] = "\0";
84
#endif
85
86
/* Matthieu's additions end */

87
88
typedef struct nw_state nw_state;
typedef struct nw_message nw_message;
89
typedef int dumpi_req_id;
90
91

static int net_id = 0;
92
static float noise = 2.0;
93
94
95
static int num_nw_lps = 0, num_mpi_lps = 0;

static int num_syn_clients;
96

97
FILE * workload_log = NULL;
98
FILE * msg_size_log = NULL;
99
100
101
102
FILE * workload_agg_log = NULL;
FILE * workload_meta_log = NULL;

static uint64_t sample_bytes_written = 0;
103

104
105
106
long long num_bytes_sent=0;
long long num_bytes_recvd=0;

107
108
109
long long num_syn_bytes_sent = 0;
long long num_syn_bytes_recvd = 0;

110
111
112
113
114
115
double max_time = 0,  max_comm_time = 0, max_wait_time = 0, max_send_time = 0, max_recv_time = 0;
double avg_time = 0, avg_comm_time = 0, avg_wait_time = 0, avg_send_time = 0, avg_recv_time = 0;


/* runtime option for disabling computation time simulation */
static int disable_delay = 0;
116
117
118
static int enable_sampling = 0;
static double sampling_interval = 5000000;
static double sampling_end_time = 3000000000;
119
static int enable_debug = 0;
120

121
122
123
/* set group context */
struct codes_mctx group_ratio;

124
/* MPI_OP_GET_NEXT is for getting next MPI operation when the previous operation completes.
125
* MPI_SEND_ARRIVED is issued when a MPI message arrives at its destination (the message is transported by model-net and an event is invoked when it arrives.
126
127
128
129
130
131
132
* MPI_SEND_POSTED is issued when a MPI message has left the source LP (message is transported via model-net). */
enum MPI_NW_EVENTS
{
	MPI_OP_GET_NEXT=1,
	MPI_SEND_ARRIVED,
    MPI_SEND_ARRIVED_CB, // for tracking message times on sender
	MPI_SEND_POSTED,
133
134
135
136
137
138
    MPI_REND_ARRIVED,
    MPI_REND_ACK_ARRIVED,
    CLI_BCKGND_FIN,
    CLI_BCKGND_ARRIVE,
    CLI_BCKGND_GEN,
    CLI_NBR_FINISH,
139
140
};

141
142
143
144
struct mpi_workload_sample
{
    /* Sampling data */
    int nw_id;
145
    int app_id;
146
147
148
149
150
    unsigned long num_sends_sample;
    unsigned long num_bytes_sample;
    unsigned long num_waits_sample;
    double sample_end_time;
};
151
152
153
154
155
156
157
/* stores pointers of pending MPI operations to be matched with their respective sends/receives. */
struct mpi_msgs_queue
{
    int op_type;
    int tag;
    int source_rank;
    int dest_rank;
158
    int64_t num_bytes;
159
160
161
162
163
164
165
166
    tw_stime req_init_time;
	dumpi_req_id req_id;
    struct qlist_head ql;
};

/* stores request IDs of completed MPI operations (Isends or Irecvs) */
struct completed_requests
{
167
	int req_id;
168
    struct qlist_head ql;
169
    int index;
170
171
172
173
174
175
};

/* for wait operations, store the pending operation and number of completed waits so far. */
struct pending_waits
{
    int op_type;
176
    int req_ids[MAX_WAIT_REQS];
177
	int num_completed;
178
179
	int count;
    tw_stime start_time;
180
181
182
    struct qlist_head ql;
};

183
184
185
186
187
188
189
190
191
struct msg_size_info
{
    int64_t msg_size;
    int num_msgs;
    tw_stime agg_latency;
    tw_stime avg_latency;
    struct qhash_head * hash_link;
    struct qlist_head ql; 
};
192
193
194
195
196
197
198
199
200
201
typedef struct mpi_msgs_queue mpi_msgs_queue;
typedef struct completed_requests completed_requests;
typedef struct pending_waits pending_waits;

/* state of the network LP. It contains the pointers to send/receive lists */
struct nw_state
{
	long num_events_per_lp;
	tw_lpid nw_id;
	short wrkld_end;
202
203
    int app_id;
    int local_rank;
204

205
206
207
    int is_finished;
    int neighbor_completed;

208
    struct rc_stack * processed_ops;
209
    struct rc_stack * processed_wait_op;
210
    struct rc_stack * matched_reqs;
211
//    struct rc_stack * indices;
212
213
214
215
216
217
218
219
220
221

    /* count of sends, receives, collectives and delays */
	unsigned long num_sends;
	unsigned long num_recvs;
	unsigned long num_cols;
	unsigned long num_delays;
	unsigned long num_wait;
	unsigned long num_waitall;
	unsigned long num_waitsome;

222

223
224
	/* time spent by the LP in executing the app trace*/
	double start_time;
225
226
227
228
229
230
231
232
233

    double col_time;

    double reduce_time;
    int num_reduce;

    double all_reduce_time;
    int num_all_reduce;

234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
	double elapsed_time;
	/* time spent in compute operations */
	double compute_time;
	/* time spent in message send/isend */
	double send_time;
	/* time spent in message receive */
	double recv_time;
	/* time spent in wait operation */
	double wait_time;
	/* FIFO for isend messages arrived on destination */
	struct qlist_head arrival_queue;
	/* FIFO for irecv messages posted but not yet matched with send operations */
	struct qlist_head pending_recvs_queue;
	/* List of completed send/receive requests */
	struct qlist_head completed_reqs;
249

250
    tw_stime cur_interval_end;
251
    
252
253
    /* Pending wait operation */
    struct pending_waits * wait_op;
254

255
256
257
258
259
260
    /* Message size latency information */
    struct qhash_table * msg_sz_table;
    struct qlist_head msg_sz_list;

    /* quick hash for maintaining message latencies */

261
262
263
    unsigned long num_bytes_sent;
    unsigned long num_bytes_recvd;

264
265
266
    unsigned long syn_data;
    unsigned long gen_data;
    
267
268
269
270
    /* For sampling data */
    int sampling_indx;
    int max_arr_size;
    struct mpi_workload_sample * mpi_wkld_samples;
271
    char output_buf[512];
272
    char col_stats[64];
273
274
275
276
};

/* data for handling reverse computation.
* saved_matched_req holds the request ID of matched receives/sends for wait operations.
277
* ptr_match_op holds the matched MPI operation which are removed from the queues when a send is matched with the receive in forward event handler.
278
279
280
* network event being sent. op is the MPI operation issued by the network workloads API. rv_data holds the data for reverse computation (TODO: Fill this data structure only when the simulation runs in optimistic mode). */
struct nw_message
{
281
   // forward message handler
282
   int msg_type;
283
   int op_type;
284
   model_net_event_return event_rc;
285

286
287
288
   struct
   {
       tw_lpid src_rank;
289
       int dest_rank;
290
       int64_t num_bytes;
291
292
293
294
295
       int num_matched;
       int data_type;
       double sim_start_time;
       // for callbacks - time message was received
       double msg_send_time;
296
       int req_id;
297
       int matched_req;
298
       int tag;
299
       int app_id;
300
301
       int found_match;
       short wait_completed;
302
       short rend_send;
303
304
305
306
307
308
309
   } fwd;
   struct
   {
       double saved_send_time;
       double saved_recv_time;
       double saved_wait_time;
       double saved_delay;
310
       int64_t saved_num_bytes;
311
   } rc;
312
313
};

314
static void send_ack_back(nw_state* s, tw_bf * bf, nw_message * m, tw_lp * lp, mpi_msgs_queue * mpi_op, int matched_req);
315
316

static void send_ack_back_rc(nw_state* s, tw_bf * bf, nw_message * m, tw_lp * lp);
317
318
/* executes MPI isend and send operations */
static void codes_exec_mpi_send(
319
        nw_state* s, tw_bf * bf, nw_message * m, tw_lp* lp, struct codes_workload_op * mpi_op, int is_rend);
320
321
/* execute MPI irecv operation */
static void codes_exec_mpi_recv(
322
        nw_state* s, tw_bf * bf, nw_message * m, tw_lp * lp, struct codes_workload_op * mpi_op);
323
324
/* reverse of mpi recv function. */
static void codes_exec_mpi_recv_rc(
325
        nw_state* s, tw_bf * bf, nw_message* m, tw_lp* lp);
326
327
/* execute the computational delay */
static void codes_exec_comp_delay(
328
        nw_state* s, nw_message * m, tw_lp* lp, struct codes_workload_op * mpi_op);
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
/* gets the next MPI operation from the network-workloads API. */
static void get_next_mpi_operation(
        nw_state* s, tw_bf * bf, nw_message * m, tw_lp * lp);
/* reverse handler of get next mpi operation. */
static void get_next_mpi_operation_rc(
        nw_state* s, tw_bf * bf, nw_message * m, tw_lp * lp);
/* Makes a call to get_next_mpi_operation. */
static void codes_issue_next_event(tw_lp* lp);
/* reverse handler of next operation */
static void codes_issue_next_event_rc(tw_lp* lp);


///////////////////// HELPER FUNCTIONS FOR MPI MESSAGE QUEUE HANDLING ///////////////
/* upon arrival of local completion message, inserts operation in completed send queue */
/* upon arrival of an isend operation, updates the arrival queue of the network */
344
345
346
347
348
349
350
351
static void update_completed_queue(
        nw_state * s, tw_bf * bf, nw_message * m, tw_lp * lp, dumpi_req_id req_id);
/* reverse of the above function */
static void update_completed_queue_rc(
        nw_state*s,
        tw_bf * bf,
        nw_message * m,
        tw_lp * lp);
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
static void update_arrival_queue(
        nw_state*s, tw_bf* bf, nw_message* m, tw_lp * lp);
/* reverse of the above function */
static void update_arrival_queue_rc(
        nw_state*s, tw_bf* bf, nw_message* m, tw_lp * lp);
/* callback to a message sender for computing message time */
static void update_message_time(
        nw_state*s, tw_bf* bf, nw_message* m, tw_lp * lp);
/* reverse for computing message time */
static void update_message_time_rc(
        nw_state*s, tw_bf* bf, nw_message* m, tw_lp * lp);

/* conversion from seconds to eanaoseconds */
static tw_stime s_to_ns(tw_stime ns);

367
/*static void update_message_size_rc(
368
369
370
371
        struct nw_state * ns,
        tw_lp * lp,
        tw_bf * bf,
        struct nw_message * m)
372
{*/
373
/*TODO: Complete reverse handler */
374
/*    (void)ns;
375
376
377
    (void)lp;
    (void)bf;
    (void)m;
378
}*/
379
380
381
382
383
384
385
386
387
388
/* update the message size */
static void update_message_size(
        struct nw_state * ns,
        tw_lp * lp,
        tw_bf * bf,
        struct nw_message * m,
        mpi_msgs_queue * qitem,
        int is_eager,
        int is_send)
{
389
390
391
            (void)bf;
            (void)is_eager;

392
393
394
395
396
397
398
399
400
401
402
403
404
405
            struct qhash_head * hash_link = NULL;
            tw_stime msg_init_time = qitem->req_init_time;
        
            if(!ns->msg_sz_table)
                ns->msg_sz_table = qhash_init(msg_size_hash_compare, quickhash_64bit_hash, RANK_HASH_TABLE_SZ); 
            
            hash_link = qhash_search(ns->msg_sz_table, &(qitem->num_bytes));

            if(is_send)
                msg_init_time = m->fwd.sim_start_time;
            
            /* update hash table */
            if(!hash_link)
            {
406
                struct msg_size_info * msg_info = (struct msg_size_info*)malloc(sizeof(struct msg_size_info));
407
408
                msg_info->msg_size = qitem->num_bytes;
                msg_info->num_msgs = 1;
409
                msg_info->agg_latency = tw_now(lp) - msg_init_time;
410
                msg_info->avg_latency = msg_info->agg_latency;
411
                qhash_add(ns->msg_sz_table, &(msg_info->msg_size), msg_info->hash_link);
412
413
414
415
416
417
418
                qlist_add(&msg_info->ql, &ns->msg_sz_list);
                //printf("\n Msg size %d aggregate latency %f num messages %d ", m->fwd.num_bytes, msg_info->agg_latency, msg_info->num_msgs);
            }
            else
            {
                struct msg_size_info * tmp = qhash_entry(hash_link, struct msg_size_info, hash_link);
                tmp->num_msgs++;
419
                tmp->agg_latency += tw_now(lp) - msg_init_time;  
420
421
422
423
424
425
426
427
428
429
                tmp->avg_latency = (tmp->agg_latency / tmp->num_msgs);
//                printf("\n Msg size %d aggregate latency %f num messages %d ", qitem->num_bytes, tmp->agg_latency, tmp->num_msgs);
            }
}
static void notify_background_traffic_rc(
	    struct nw_state * ns,
        tw_lp * lp,
        tw_bf * bf,
        struct nw_message * m)
{
430
431
432
    (void)ns;
    (void)bf;
    (void)m;
433
434
435
436
437
        
    int num_jobs = codes_jobmap_get_num_jobs(jobmap_ctx); 
    
    for(int i = 0; i < num_jobs - 1; i++)
        tw_rand_reverse_unif(lp->rng); 
438
439
440
441
442
443
444
445
}

static void notify_background_traffic(
	    struct nw_state * ns,
        tw_lp * lp,
        tw_bf * bf,
        struct nw_message * m)
{
446
447
448
        (void)bf;
        (void)m;

449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
        struct codes_jobmap_id jid; 
        jid = codes_jobmap_to_local_id(ns->nw_id, jobmap_ctx);
        
        int num_jobs = codes_jobmap_get_num_jobs(jobmap_ctx); 
        
        for(int other_id = 0; other_id < num_jobs; other_id++)
        {
            if(other_id == jid.job)
                continue;

            struct codes_jobmap_id other_jid;
            other_jid.job = other_id;

            int num_other_ranks = codes_jobmap_get_num_ranks(other_id, jobmap_ctx);

464
            lprintf("\n Other ranks %d ", num_other_ranks);
465
466
467
468
469
470
471
472
473
474
475
476
            tw_stime ts = (1.1 * g_tw_lookahead) + tw_rand_exponential(lp->rng, mean_interval/10000);
            tw_lpid global_dest_id;
     
            for(int k = 0; k < num_other_ranks; k++)    
            {
                other_jid.rank = k;
                int intm_dest_id = codes_jobmap_to_global_id(other_jid, jobmap_ctx); 
                global_dest_id = codes_mapping_get_lpid_from_relative(intm_dest_id, NULL, NW_LP_NM, NULL, 0);

                tw_event * e;
                struct nw_message * m_new;  
                e = tw_event_new(global_dest_id, ts, lp);
477
                m_new = (struct nw_message*)tw_event_data(e);
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
                m_new->msg_type = CLI_BCKGND_FIN;
                tw_event_send(e);   
            }
        }
        return;
}
static void notify_neighbor_rc(
	    struct nw_state * ns,
        tw_lp * lp,
        tw_bf * bf,
        struct nw_message * m)
{
       if(bf->c0)
       {
            notify_background_traffic_rc(ns, lp, bf, m);
            return;
       }
   
       if(bf->c1)
       {
          tw_rand_reverse_unif(lp->rng); 
       }
} 
static void notify_neighbor(
	    struct nw_state * ns,
        tw_lp * lp,
        tw_bf * bf,
        struct nw_message * m)
{
    if(ns->local_rank == num_dumpi_traces - 1 
            && ns->is_finished == 1
            && ns->neighbor_completed == 1)
    {
511
//        printf("\n All workloads completed, notifying background traffic ");
512
513
514
515
516
517
518
519
520
521
522
523
524
        bf->c0 = 1;
        notify_background_traffic(ns, lp, bf, m);
        return;
    }
    
    struct codes_jobmap_id nbr_jid;
    nbr_jid.job = ns->app_id;
    tw_lpid global_dest_id;

    if(ns->is_finished == 1 && (ns->neighbor_completed == 1 || ns->local_rank == 0))
    {
        bf->c1 = 1;

525
//        printf("\n Local rank %d notifying neighbor %d ", ns->local_rank, ns->local_rank+1);
526
527
528
529
530
531
532
533
534
535
        tw_stime ts = (1.1 * g_tw_lookahead) + tw_rand_exponential(lp->rng, mean_interval/10000);
        nbr_jid.rank = ns->local_rank + 1;
        
        /* Send a notification to the neighbor about completion */
        int intm_dest_id = codes_jobmap_to_global_id(nbr_jid, jobmap_ctx); 
        global_dest_id = codes_mapping_get_lpid_from_relative(intm_dest_id, NULL, NW_LP_NM, NULL, 0);
       
        tw_event * e;
        struct nw_message * m_new;  
        e = tw_event_new(global_dest_id, ts, lp);
536
        m_new = (struct nw_message*)tw_event_data(e); 
537
538
539
540
541
542
543
544
545
546
        m_new->msg_type = CLI_NBR_FINISH;
        tw_event_send(e);   
    }
}
void finish_bckgnd_traffic_rc(
    struct nw_state * ns,
    tw_bf * b,
    struct nw_message * msg,
    tw_lp * lp)
{
547
548
549
550
        (void)b;
        (void)msg;
        (void)lp;

551
552
553
554
555
556
557
558
559
        ns->is_finished = 0;
        return;
}
void finish_bckgnd_traffic(
    struct nw_state * ns,
    tw_bf * b,
    struct nw_message * msg,
    tw_lp * lp)
{
560
561
        (void)b;
        (void)msg;
562
        ns->is_finished = 1;
563
        lprintf("\n LP %llu completed sending data %lu completed at time %lf ", LLU(lp->gid), ns->gen_data, tw_now(lp));
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
        return;
}

void finish_nbr_wkld_rc(
    struct nw_state * ns,
    tw_bf * b,
    struct nw_message * msg,
    tw_lp * lp)
{
    ns->neighbor_completed = 0;
    
    notify_neighbor_rc(ns, lp, b, msg);
}

void finish_nbr_wkld(
    struct nw_state * ns,
    tw_bf * b,
    struct nw_message * msg,
    tw_lp * lp)
{
    ns->neighbor_completed = 1;

    notify_neighbor(ns, lp, b, msg);
}
static void gen_synthetic_tr_rc(nw_state * s, tw_bf * bf, nw_message * m, tw_lp * lp)
{
    if(bf->c0)
        return;

    model_net_event_rc2(lp, &m->event_rc);
    s->gen_data -= PAYLOAD_SZ;

    num_syn_bytes_sent -= PAYLOAD_SZ;
    tw_rand_reverse_unif(lp->rng);
    tw_rand_reverse_unif(lp->rng);

}

/* generate synthetic traffic */
static void gen_synthetic_tr(nw_state * s, tw_bf * bf, nw_message * m, tw_lp * lp)
{
    if(s->is_finished == 1)
    {
        bf->c0 = 1;
        return;
    }

    /* Get job information */
    tw_lpid global_dest_id;

    struct codes_jobmap_id jid;
    jid = codes_jobmap_to_local_id(s->nw_id, jobmap_ctx); 

    int num_clients = codes_jobmap_get_num_ranks(jid.job, jobmap_ctx);
    int dest_svr = tw_rand_integer(lp->rng, 0, num_clients - 1);

    if(dest_svr == s->local_rank)
    {
       dest_svr = (s->local_rank + 1) % num_clients;
    }
   
    jid.rank = dest_svr;

    int intm_dest_id = codes_jobmap_to_global_id(jid, jobmap_ctx); 
    global_dest_id = codes_mapping_get_lpid_from_relative(intm_dest_id, NULL, NW_LP_NM, NULL, 0);

    nw_message remote_m;
    remote_m.fwd.sim_start_time = tw_now(lp);
    remote_m.fwd.dest_rank = dest_svr;
    remote_m.msg_type = CLI_BCKGND_ARRIVE;
    remote_m.fwd.num_bytes = PAYLOAD_SZ;
    remote_m.fwd.app_id = s->app_id;
    remote_m.fwd.src_rank = s->local_rank;

    m->event_rc = model_net_event(net_id, "synthetic-tr", global_dest_id, PAYLOAD_SZ, 0.0, 
            sizeof(nw_message), (const void*)&remote_m, 
            0, NULL, lp);
    
    s->gen_data += PAYLOAD_SZ;
    num_syn_bytes_sent += PAYLOAD_SZ; 

    /* New event after MEAN_INTERVAL */  
646
    tw_stime ts = mean_interval  + tw_rand_exponential(lp->rng, noise); 
647
648
649
    tw_event * e;
    nw_message * m_new;
    e = tw_event_new(lp->gid, ts, lp);
650
    m_new = (struct nw_message*)tw_event_data(e);
651
652
653
654
655
656
    m_new->msg_type = CLI_BCKGND_GEN;
    tw_event_send(e);
}

void arrive_syn_tr_rc(nw_state * s, tw_bf * bf, nw_message * m, tw_lp * lp)
{
657
658
659
    (void)bf;
    (void)m;
    (void)lp;
660
661
662
663
664
665
666
//    printf("\n Data arrived %d total data %ld ", m->fwd.num_bytes, s->syn_data);
    int data = m->fwd.num_bytes;
    s->syn_data -= data;
    num_syn_bytes_recvd -= data;
}
void arrive_syn_tr(nw_state * s, tw_bf * bf, nw_message * m, tw_lp * lp)
{
667
668
669
    (void)bf;
    (void)lp;

670
671
672
673
674
//    printf("\n Data arrived %d total data %ld ", m->fwd.num_bytes, s->syn_data);
    int data = m->fwd.num_bytes;
    s->syn_data += data;
    num_syn_bytes_recvd += data;
}
675
/* Debugging functions, may generate unused function warning */
676
/*static void print_waiting_reqs(uint32_t * reqs, int count)
677
{
678
    lprintf("\n Waiting reqs: %d count", count);
679
680
    int i;
    for(i = 0; i < count; i++ )
681
        lprintf(" %d ", reqs[i]);
682
}*/
683
684
685
686
687
688
689
690
691
692
693
694
static void print_msgs_queue(struct qlist_head * head, int is_send)
{
    if(is_send)
        printf("\n Send msgs queue: ");
    else
        printf("\n Recv msgs queue: ");

    struct qlist_head * ent = NULL;
    mpi_msgs_queue * current = NULL;
    qlist_for_each(ent, head)
       {
            current = qlist_entry(ent, mpi_msgs_queue, ql);
695
            printf(" \n Source %d Dest %d bytes %"PRId64" tag %d ", current->source_rank, current->dest_rank, current->num_bytes, current->tag);
696
697
       }
}
698
/*static void print_completed_queue(tw_lp * lp, struct qlist_head * head)
699
{
700
//    printf("\n Completed queue: ");
701
702
      struct qlist_head * ent = NULL;
      struct completed_requests* current = NULL;
703
      tw_output(lp, "\n");
704
705
706
      qlist_for_each(ent, head)
       {
            current = qlist_entry(ent, completed_requests, ql);
707
            tw_output(lp, " %llu ", current->req_id);
708
       }
709
}*/
710
static int clear_completed_reqs(nw_state * s,
711
        tw_lp * lp,
712
        int * reqs, int count)
713
{
714
715
716
    (void)s;
    (void)lp;

717
    int i, matched = 0;
718

719
720
721
    for( i = 0; i < count; i++)
    {
      struct qlist_head * ent = NULL;
722
723
724
      struct completed_requests * current = NULL;
      struct completed_requests * prev = NULL;

725
      int index = 0;
726
727
      qlist_for_each(ent, &s->completed_reqs)
       {
728
729
           if(prev)
           {
730
              rc_stack_push(lp, prev, free, s->matched_reqs);
731
732
              prev = NULL;
           }
733
            
734
735
           current = qlist_entry(ent, completed_requests, ql);
           current->index = index; 
736
737
            if(current->req_id == reqs[i])
            {
738
                ++matched;
739
                qlist_del(&current->ql);
740
                prev = current;
741
            }
742
            ++index;
743
       }
744
745

      if(prev)
746
747
748
749
      {
         rc_stack_push(lp, prev, free, s->matched_reqs);
         prev = NULL;
      }
750
    }
751
    return matched;
752
}
753
static void add_completed_reqs(nw_state * s,
754
755
        tw_lp * lp,
        int count)
756
{
757
    (void)lp;
758
    for(int i = 0; i < count; i++)
759
    {
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
       struct completed_requests * req = (struct completed_requests*)rc_stack_pop(s->matched_reqs);

       // turn on only if wait-all unmatched error arises in optimistic mode.
       if(preserve_wait_ordering)
       {
            if(req->index == 0)
            {
                qlist_add(&req->ql, &s->completed_reqs);
            }
            else
            {
                int index = 1;
                struct qlist_head * ent = NULL;
                qlist_for_each(ent, &s->completed_reqs) 
                {
                    if(index == req->index)
                    {
                        qlist_add(&req->ql, ent);
                    }
                }//end qlist
            }// end else*/
       }
       else
       {
               qlist_add(&req->ql, &s->completed_reqs);
       }
    }//end for
787
}
788

789
790
791
792
793
794
/* helper function - maps an MPI rank to an LP id */
static tw_lpid rank_to_lpid(int rank)
{
    return codes_mapping_get_lpid_from_relative(rank, NULL, "nw-lp", NULL, 0);
}

795
static int notify_posted_wait(nw_state* s,
796
        tw_bf * bf, nw_message * m, tw_lp * lp,
797
        int completed_req)
798
{
799
800
    (void)bf;

801
802
    struct pending_waits* wait_elem = s->wait_op;
    int wait_completed = 0;
803

804
    m->fwd.wait_completed = 0;
805

806
807
    if(!wait_elem)
        return 0;
808

809
    int op_type = wait_elem->op_type;
810

811
812
813
    if(op_type == CODES_WK_WAIT &&
            (wait_elem->req_ids[0] == completed_req))
    {
814
            m->fwd.wait_completed = 1;
815
816
            wait_completed = 1;
    }
817
818
    else if(op_type == CODES_WK_WAITALL
            || op_type == CODES_WK_WAITANY
819
820
821
822
823
824
            || op_type == CODES_WK_WAITSOME)
    {
        int i;
        for(i = 0; i < wait_elem->count; i++)
        {
            if(wait_elem->req_ids[i] == completed_req)
825
            {
826
                wait_elem->num_completed++;
827
                if(wait_elem->num_completed > wait_elem->count)
828
                    printf("\n Num completed %d count %d LP %llu ",
829
830
                            wait_elem->num_completed,
                            wait_elem->count,
831
                            LLU(lp->gid));
832
833
//                if(wait_elem->num_completed > wait_elem->count)
//                    tw_lp_suspend(lp, 1, 0);
834

835
                if(wait_elem->num_completed >= wait_elem->count)
836
                {
837
                    if(enable_debug)
838
                        fprintf(workload_log, "\n(%lf) APP ID %d MPI WAITALL COMPLETED AT %llu ", tw_now(lp), s->app_id, LLU(s->nw_id));
839
                    wait_completed = 1;
840
                }
841

842
                m->fwd.wait_completed = 1;
843
            }
844
        }
845
    }
846
    return wait_completed;
847
}
848

849
/* reverse handler of MPI wait operation */
850
static void codes_exec_mpi_wait_rc(nw_state* s, tw_bf * bf, tw_lp* lp, nw_message * m)
851
{
852
   if(bf->c1)
853
    {
854
        completed_requests * qi = (completed_requests*)rc_stack_pop(s->processed_ops);
855
856
        if(m->fwd.found_match == 0)
        {
857
            qlist_add(&qi->ql, &s->completed_reqs);
858
        }
859
860
861
862
863
864
865
866
867
868
869
870
871
        else
        {
           int index = 1;
           struct qlist_head * ent = NULL;
           qlist_for_each(ent, &s->completed_reqs)
           {
                if(index == m->fwd.found_match)
                {
                    qlist_add(&qi->ql, ent);
                    break;
                }
                index++;
           }
872
        }
873
        codes_issue_next_event_rc(lp);
874
        return;
875
    }
876
877
878
         struct pending_waits * wait_op = s->wait_op;
         free(wait_op);
         s->wait_op = NULL;
879
}
880

881
/* execute MPI wait operation */
882
static void codes_exec_mpi_wait(nw_state* s, tw_bf * bf, nw_message * m, tw_lp* lp, struct codes_workload_op * mpi_op)
883
{
884
885
    /* check in the completed receives queue if the request ID has already been completed.*/
    assert(!s->wait_op);
886
    int req_id = mpi_op->u.wait.req_id;
887

888
    struct completed_requests* current = NULL;
889

890
    struct qlist_head * ent = NULL;
891
    int index = 0;
892
893
894
895
896
    qlist_for_each(ent, &s->completed_reqs)
    {
        current = qlist_entry(ent, completed_requests, ql);
        if(current->req_id == req_id)
        {
897
            bf->c1=1;
898
            qlist_del(&current->ql);
899
            rc_stack_push(lp, current, free, s->processed_ops);
900
            codes_issue_next_event(lp);
901
902
903
904
905
906
            m->fwd.found_match = index;
            /*if(s->nw_id == (tw_lpid)TRACK_LP)
            {
                tw_output(lp, "\n wait matched at post %d ", req_id);
                print_completed_queue(lp, &s->completed_reqs);
            }*/
907
908
            return;
        }
909
        ++index;
910
    }
911

912
913
914
915
916
    /*if(s->nw_id == (tw_lpid)TRACK_LP)
    {
        tw_output(lp, "\n wait posted %llu ", req_id);
        print_completed_queue(lp, &s->completed_reqs);
    }*/
917
    /* If not, add the wait operation in the pending 'waits' list. */
918
    struct pending_waits* wait_op = (struct pending_waits*)malloc(sizeof(struct pending_waits));
919
920
921
    wait_op->op_type = mpi_op->op_type;
    wait_op->req_ids[0] = req_id;
    wait_op->count = 1;
922
923
    wait_op->num_completed = 0;
    wait_op->start_time = tw_now(lp);
924
    s->wait_op = wait_op;
925

926
    return;
927
928
}

929
static void codes_exec_mpi_wait_all_rc(
930
        nw_state* s,
931
932
        tw_bf * bf,
        nw_message * m,
933
        tw_lp* lp)
934
{
935
936
937
938
939
940
941
942
943
944
945
  if(bf->c1)
  {
    int sampling_indx = s->sampling_indx;
    s->mpi_wkld_samples[sampling_indx].num_waits_sample--;

    if(bf->c2)
    {
        s->cur_interval_end -= sampling_interval;
        s->sampling_indx--;
    }
  }
946
947
948
949
950
951
952
953
  if(s->wait_op)
  {
      struct pending_waits * wait_op = s->wait_op;
      free(wait_op);
      s->wait_op = NULL;
  }
  else
  {
954
      add_completed_reqs(s, lp, m->fwd.num_matched);
955
956
957
      codes_issue_next_event_rc(lp);
  }
  return;
958
}
959

960
static void codes_exec_mpi_wait_all(
961
        nw_state* s,
962
963
        tw_bf * bf,
        nw_message * m,
964
        tw_lp* lp,
965
        struct codes_workload_op * mpi_op)
966
{
967
  if(enable_debug)
968
    fprintf(workload_log, "\n MPI WAITALL POSTED AT %llu ", LLU(s->nw_id));
969

970
971
972
973
974
975
976
977
  if(enable_sampling)
  {
    bf->c1 = 1;
    if(tw_now(lp) >= s->cur_interval_end)
    {
        bf->c2 = 1;
        int indx = s->sampling_indx;
        s->mpi_wkld_samples[indx].nw_id = s->nw_id;
978
        s->mpi_wkld_samples[indx].app_id = s->app_id;
979
980
981
982
983
984
        s->mpi_wkld_samples[indx].sample_end_time = s->cur_interval_end;
        s->cur_interval_end += sampling_interval;
        s->sampling_indx++;
    }
    if(s->sampling_indx >= MAX_STATS)
    {
985
        struct mpi_workload_sample * tmp = (struct mpi_workload_sample*)calloc((MAX_STATS + s->max_arr_size), sizeof(struct mpi_workload_sample));
986
987
988
989
990
991
992
993
        memcpy(tmp, s->mpi_wkld_samples, s->sampling_indx);
        free(s->mpi_wkld_samples);
        s->mpi_wkld_samples = tmp;
        s->max_arr_size += MAX_STATS;
    }
    int indx = s->sampling_indx;
    s->mpi_wkld_samples[indx].num_waits_sample++;
  }
994
  int count = mpi_op->u.waits.count;
995
996
  /* If the count is not less than max wait reqs then stop */
  assert(count < MAX_WAIT_REQS);
997

998
  int i = 0, num_matched = 0;
999
  m->fwd.num_matched = 0;
1000

1001
  /*if(lp->gid == TRACK_LP)
1002
  {
1003
      printf("\n MPI Wait all posted ");
1004
      print_waiting_reqs(mpi_op->u.waits.req_ids, count);
1005
1006
      print_completed_queue(lp, &s->completed_reqs);
  }*/
1007
      /* check number of completed irecvs in the completion queue */
1008
1009
  for(i = 0; i < count; i++)
  {
1010
      int req_id = mpi_op->u.waits.req_ids[i];
1011
1012
1013
1014
      struct qlist_head * ent = NULL;
      struct completed_requests* current = NULL;
      qlist_for_each(ent, &s->completed_reqs)
       {
1015
            current = qlist_entry(ent, struct completed_requests, ql);
1016
1017
1018
1019
            if(current->req_id == req_id)
                num_matched++;
       }
  }
1020

1021
  m->fwd.found_match = num_matched;
1022
1023
1024
1025
  if(num_matched == count)
  {
    /* No need to post a MPI Wait all then, issue next event */
      /* Remove all completed requests from the list */
1026
1027
1028
      m->fwd.num_matched = clear_completed_reqs(s, lp, mpi_op->u.waits.req_ids, count);
      struct pending_waits* wait_op = s->wait_op;
      free(wait_op);
1029
1030
      s->wait_op = NULL;
      codes_issue_next_event(lp);
1031
1032
  }
  else
1033
1034
  {
      /* If not, add the wait operation in the pending 'waits' list. */
1035
	  struct pending_waits* wait_op = (struct pending_waits*)malloc(sizeof(struct pending_waits));
1036
1037
1038
1039
1040
1041
1042
1043
	  wait_op->count = count;
      wait_op->op_type = mpi_op->op_type;
      assert(count < MAX_WAIT_REQS);

      for(i = 0; i < count; i++)
          wait_op->req_ids[i] =  mpi_op->u.waits.req_ids[i];

	  wait_op->num_completed = num_matched;
1044
	  wait_op->start_time = tw_now(lp);
1045
      s->wait_op = wait_op;
1046
  }
1047
1048
  return;
}
1049

1050
1051
/* search for a matching mpi operation and remove it from the list.
 * Record the index in the list from where the element got deleted.
1052
 * Index is used for inserting the element once again in the queue for reverse computation. */
1053
static int rm_matching_rcv(nw_state * ns,
1054
        tw_bf * bf,
1055
1056
        nw_message * m,
        tw_lp * lp,
1057
        mpi_msgs_queue * qitem)
1058
1059
{
    int matched = 0;
1060
    int index = 0;
1061
    int is_rend = 0;
1062
1063
    struct qlist_head *ent = NULL;
    mpi_msgs_queue * qi = NULL;
1064

1065
1066
    qlist_for_each(ent, &ns->pending_recvs_queue){
        qi = qlist_entry(ent, mpi_msgs_queue, ql);
1067
1068
        if(//(qi->num_bytes == qitem->num_bytes)
                //&& 
1069
               ((qi->tag == qitem->tag) || qi->tag == -1)
1070
                && ((qi->source_rank == qitem->source_rank) || qi->source_rank == -1))
1071
1072
        {
            matched = 1;
1073
            qi->num_bytes = qitem->num_bytes;
1074
1075
            break;
        }
1076
        ++index;
1077
    }
1078

1079
1080
    if(matched)
    {
1081
1082
1083
1084
1085
1086
1087
        if(enable_msg_tracking && qitem->num_bytes < EAGER_THRESHOLD)
        {
            update_message_size(ns, lp, bf, m, qitem, 1, 1);
        }
        if(qitem->num_bytes >= EAGER_THRESHOLD)
        {
            /* Matching receive found, need to notify the sender to transmit
1088
1089
             * the data * (only works in sequential mode)*/
            bf->c10 = 1;
1090
1091
            is_rend = 1;
            send_ack_back(ns, bf, m, lp, qitem, qi->req_id);
1092
        }
1093
1094
1095
1096
1097
1098
        else
        {
            m->rc.saved_recv_time = ns->recv_time;
            ns->recv_time += (tw_now(lp) - m->fwd.sim_start_time);
        }
        if(qi->op_type == CODES_WK_IRECV && !is_rend)
1099
        {
1100
            bf->c9 = 1;
1101
1102
1103
1104
            /*if(ns->nw_id == (tw_lpid)TRACK_LP)
            {
                printf("\n Completed irecv req id %d ", qi->req_id);
            }*/
1105
            update_completed_queue(ns, bf, m, lp, qi->req_id);