model-net-synthetic-fattree.c 14.1 KB
Newer Older
1 2 3 4 5 6 7 8
/*
 * Copyright (C) 2015 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
 */

/*
* The test program generates some synthetic traffic patterns for the model-net network models.
9
* currently it only support the fat tree network model uniform random and nearest neighbor traffic patterns.
10 11 12 13
*/

#include "codes/model-net.h"
#include "codes/lp-io.h"
14
#include "codes/net/fattree.h"
15 16 17 18 19 20 21
#include "codes/codes.h"
#include "codes/codes_mapping.h"
#include "codes/configuration.h"
#include "codes/lp-type-lookup.h"

#define PAYLOAD_SZ 512

22 23
#define PARAMS_LOG 1

24 25 26 27
static int net_id = 0;
static int offset = 2;
static int traffic = 1;
static double arrival_time = 1000.0;
Noah Wolfe's avatar
Noah Wolfe committed
28 29
static double load = 0.0;	//Percent utilization of terminal uplink
static double MEAN_INTERVAL = 0.0;
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
/* whether to pull instead of push */

static int num_servers_per_rep = 0;
static int num_routers_per_grp = 0;
static int num_nodes_per_grp = 0;

static int num_groups = 0;
static int num_nodes = 0;

typedef struct svr_msg svr_msg;
typedef struct svr_state svr_state;

/* global variables for codes mapping */
static char group_name[MAX_NAME_LENGTH];
static char lp_type_name[MAX_NAME_LENGTH];
static int group_index, lp_type_index, rep_id, offset;

Noah Wolfe's avatar
Noah Wolfe committed
47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
/* 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);
 }

62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115
/* type of events */
enum svr_event
{
    KICKOFF,	   /* kickoff event */
    REMOTE,        /* remote event */
    LOCAL      /* local event */
};

/* type of synthetic traffic */
enum TRAFFIC
{
	UNIFORM = 1, /* sends message to a randomly selected node */
	NEAREST_GROUP = 2, /* sends message to the node connected to the neighboring router */
	NEAREST_NEIGHBOR = 3 /* sends message to the next node (potentially connected to the same router) */
};

struct svr_state
{
    int msg_sent_count;   /* requests sent */
    int msg_recvd_count;  /* requests recvd */
    int local_recvd_count; /* number of local messages received */
    tw_stime start_ts;    /* time that we started sending requests */
    tw_stime end_ts;      /* time that we ended sending requests */
};

struct svr_msg
{
    enum svr_event svr_event_type;
    tw_lpid src;          /* source of this request or ack */
    int incremented_flag; /* helper for reverse computation */
};

static void svr_init(
    svr_state * ns,
    tw_lp * lp);
static void svr_event(
    svr_state * ns,
    tw_bf * b,
    svr_msg * m,
    tw_lp * lp);
static void svr_rev_event(
    svr_state * ns,
    tw_bf * b,
    svr_msg * m,
    tw_lp * lp);
static void svr_finalize(
    svr_state * ns,
    tw_lp * lp);

tw_lptype svr_lp = {
    (init_f) svr_init,
    (pre_run_f) NULL,
    (event_f) svr_event,
    (revent_f) svr_rev_event,
116
    (commit_f) NULL,
117 118 119 120 121 122 123 124 125 126
    (final_f)  svr_finalize,
    (map_f) codes_mapping,
    sizeof(svr_state),
};

const tw_optdef app_opt [] =
{
        TWOPT_GROUP("Model net synthetic traffic " ),
	TWOPT_UINT("traffic", traffic, "UNIFORM RANDOM=1, NEAREST NEIGHBOR=2 "),
	TWOPT_STIME("arrival_time", arrival_time, "INTER-ARRIVAL TIME"),
Noah Wolfe's avatar
Noah Wolfe committed
127
        TWOPT_STIME("load", load, "percentage of terminal link bandiwdth to inject packets"),
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
        TWOPT_END()
};

const tw_lptype* svr_get_lp_type()
{
            return(&svr_lp);
}

static void svr_add_lp_type()
{
  lp_type_register("server", svr_get_lp_type());
}

static void issue_event(
    svr_state * ns,
    tw_lp * lp)
{
145
    (void)ns;
146 147 148 149 150 151 152 153
    tw_event *e;
    svr_msg *m;
    tw_stime kickoff_time;

    /* each server sends a dummy event to itself that will kick off the real
     * simulation
     */

Noah Wolfe's avatar
Noah Wolfe committed
154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178
    int this_packet_size = 0;
    double this_link_bandwidth = 0.0;

    configuration_get_value_int(&config, "PARAMS", "packet_size", NULL, &this_packet_size);
    if(!this_packet_size) {
        this_packet_size = 0;
        fprintf(stderr, "Packet size not specified, setting to %d\n", this_packet_size);
        exit(0);
    }

    configuration_get_value_double(&config, "PARAMS", "link_bandwidth", NULL, &this_link_bandwidth);
    if(!this_link_bandwidth) {
        this_link_bandwidth = 4.7;
        fprintf(stderr, "Bandwidth of channels not specified, setting to %lf\n", this_link_bandwidth);
    }

    if(arrival_time!=0)
    {
        MEAN_INTERVAL = arrival_time;
    }
    if(load != 0)
    {
        MEAN_INTERVAL = bytes_to_ns(this_packet_size, load*this_link_bandwidth);
    }

179
    /* skew each kickoff event slightly to help avoid event ties later on */
Noah Wolfe's avatar
Noah Wolfe committed
180 181
//    kickoff_time = 1.1 * g_tw_lookahead + tw_rand_exponential(lp->rng, arrival_time);
    kickoff_time = g_tw_lookahead + tw_rand_exponential(lp->rng, MEAN_INTERVAL);
182 183 184 185 186 187 188 189 190 191 192

    e = tw_event_new(lp->gid, kickoff_time, lp);
    m = tw_event_data(e);
    m->svr_event_type = KICKOFF;
    tw_event_send(e);
}

static void svr_init(
    svr_state * ns,
    tw_lp * lp)
{
193 194
    ns->start_ts = 0.0;

195 196 197 198 199 200 201 202 203 204
    issue_event(ns, lp);
    return;
}

static void handle_kickoff_rev_event(
            svr_state * ns,
            tw_bf * b,
            svr_msg * m,
            tw_lp * lp)
{
205 206
    (void)b;
    (void)m;
207 208
	ns->msg_sent_count--;
	model_net_event_rc(net_id, lp, PAYLOAD_SZ);
209
    tw_rand_reverse_unif(lp->rng);
210 211 212 213 214 215 216
}	
static void handle_kickoff_event(
	    svr_state * ns,
	    tw_bf * b,
	    svr_msg * m,
	    tw_lp * lp)
{
217 218
    (void)b;
    (void)m;
219 220
//    char* anno;
    char anno[MAX_NAME_LENGTH];
221 222 223 224 225 226 227 228 229 230 231 232
    tw_lpid local_dest = -1, global_dest = -1;
   
    svr_msg * m_local = malloc(sizeof(svr_msg));
    svr_msg * m_remote = malloc(sizeof(svr_msg));

    m_local->svr_event_type = LOCAL;
    m_local->src = lp->gid;

    memcpy(m_remote, m_local, sizeof(svr_msg));
    m_remote->svr_event_type = REMOTE;

    ns->start_ts = tw_now(lp);
233

234 235 236 237 238 239
   codes_mapping_get_lp_info(lp->gid, group_name, &group_index, lp_type_name, &lp_type_index, anno, &rep_id, &offset);
   /* in case of uniform random traffic, send to a random destination. */
   if(traffic == UNIFORM)
   {
   	local_dest = tw_rand_integer(lp->rng, 0, num_nodes - 1);
   }
240

241
   assert(local_dest < LLU(num_nodes));
242 243 244 245 246

   global_dest = codes_mapping_get_lpid_from_relative(local_dest, group_name, lp_type_name, NULL, 0);

   // If Destination is self, then generate new destination
   if((int)global_dest == (int)lp->gid)
247
   {
248 249
       local_dest = (local_dest+1) % (num_nodes-1);
       global_dest = codes_mapping_get_lpid_from_relative(local_dest, group_name, lp_type_name, NULL, 0);
250
   }
251

252 253 254 255 256 257 258 259
   int div1 = floor((int)lp->gid/11);
   int mult1 = div1 * 4;
   int mod1 = (int)lp->gid % 11;
   int sum1 = mult1 + mod1;
//   if((int)lp->gid == 3)
   if((int)global_dest == (int)lp->gid)
       printf("global_src:%d, local_src:%d, global_dest:%d, local_dest:%d\n",(int)lp->gid, sum1, (int)global_dest,(int)local_dest);

260
   ns->msg_sent_count++;
261

262
   model_net_event(net_id, "test", global_dest, PAYLOAD_SZ, 0.0, sizeof(svr_msg), (const void*)m_remote, sizeof(svr_msg), (const void*)m_local, lp);
263 264

   //printf("LP:%d localID:%d Here\n",(int)lp->gid, (int)local_dest);
265
   issue_event(ns, lp);
266
   //printf("Just Checking net_id:%d\n",net_id);
267 268 269 270 271 272 273 274 275
   return;
}

static void handle_remote_rev_event(
            svr_state * ns,     
            tw_bf * b,
            svr_msg * m,
            tw_lp * lp)
{
276 277 278
        (void)b;
        (void)m;
        (void)lp;
279 280 281 282 283 284 285 286 287
        ns->msg_recvd_count--;
}

static void handle_remote_event(
	    svr_state * ns,
	    tw_bf * b,
	    svr_msg * m,
	    tw_lp * lp)
{
288 289 290
    (void)b;
    (void)m;
    (void)lp;
291 292 293 294 295 296 297 298 299
	ns->msg_recvd_count++;
}

static void handle_local_rev_event(
                svr_state * ns,
                tw_bf * b,
                svr_msg * m,
                tw_lp * lp)
{
300 301 302
    (void)b;
    (void)m;
    (void)lp;
303 304 305 306 307 308 309 310 311
	ns->local_recvd_count--;
}

static void handle_local_event(
                svr_state * ns,
                tw_bf * b,
                svr_msg * m,
                tw_lp * lp)
{
312 313 314
    (void)b;
    (void)m;
    (void)lp;
315 316 317 318 319 320 321 322 323
    ns->local_recvd_count++;
}

static void svr_finalize(
    svr_state * ns,
    tw_lp * lp)
{
    ns->end_ts = tw_now(lp);

324 325
//    printf("server %llu recvd %d bytes in %f seconds, %f MiB/s sent_count %d recvd_count %d local_count %d \n", (unsigned long long)lp->gid, PAYLOAD_SZ*ns->msg_recvd_count, ns_to_s(ns->end_ts-ns->start_ts),
//        ((double)(PAYLOAD_SZ*ns->msg_sent_count)/(double)(1024*1024)/ns_to_s(ns->end_ts-ns->start_ts)), ns->msg_sent_count, ns->msg_recvd_count, ns->local_recvd_count);
326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369
    return;
}

static void svr_rev_event(
    svr_state * ns,
    tw_bf * b,
    svr_msg * m,
    tw_lp * lp)
{
    switch (m->svr_event_type)
    {
	case REMOTE:
		handle_remote_rev_event(ns, b, m, lp);
		break;
	case LOCAL:
		handle_local_rev_event(ns, b, m, lp);
		break;
	case KICKOFF:
		handle_kickoff_rev_event(ns, b, m, lp);
		break;
	default:
		assert(0);
		break;
    }
}

static void svr_event(
    svr_state * ns,
    tw_bf * b,
    svr_msg * m,
    tw_lp * lp)
{
   switch (m->svr_event_type)
    {
        case REMOTE:
            handle_remote_event(ns, b, m, lp);
            break;
        case LOCAL:
            handle_local_event(ns, b, m, lp);
            break;
	case KICKOFF:
	    handle_kickoff_event(ns, b, m, lp);
	    break;
        default:
370
            printf("\n LP: %d has received invalid message from src lpID: %d of message type:%d", (int)lp->gid, (int)m->src, m->svr_event_type);
371 372 373 374 375 376 377 378 379
            assert(0);
        break;
    }
}

int main(
    int argc,
    char **argv)
{
380

381 382 383 384 385 386 387 388
    int nprocs;
    int rank;
    int num_nets;
    int *net_ids;

    lp_io_handle handle;

    tw_opt_add(app_opt);
389

390
    tw_init(&argc, &argv);
391

392 393 394 395 396 397 398 399 400 401 402 403 404
    offset = 1;

    if(argc < 2)
    {
            printf("\n Usage: mpirun <args> --sync=2/3 mapping_file_name.conf (optional --nkp) ");
            MPI_Finalize();
            return 0;
    }

    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    MPI_Comm_size(MPI_COMM_WORLD, &nprocs);

    configuration_load(argv[2], MPI_COMM_WORLD, &config);
405

406
    model_net_register();
407

408
    svr_add_lp_type();
409

410
    codes_mapping_setup();
411

412 413

    net_ids = model_net_configure(&num_nets);
414
    //assert(num_nets==1);
415 416 417
    net_id = *net_ids;
    free(net_ids);

418
    if(net_id != FATTREE)
419
    {
420
	printf("\n The test works with fat tree model configuration only! ");
421 422 423 424 425
        MPI_Finalize();
        return 0;
    }
    num_servers_per_rep = codes_mapping_get_lp_count("MODELNET_GRP", 1, "server",
            NULL, 1);
426
    configuration_get_value_int(&config, "PARAMS", "num_routers", NULL, &num_routers_per_grp);
427 428 429 430 431
    
    num_groups = (num_routers_per_grp * (num_routers_per_grp/2) + 1);
    num_nodes = num_groups * num_routers_per_grp * (num_routers_per_grp / 2);
    num_nodes_per_grp = num_routers_per_grp * (num_routers_per_grp / 2);

432 433
    num_nodes = codes_mapping_get_lp_count("MODELNET_GRP", 0, "server", NULL, 1);

434
    printf("num_nodes:%d \n",num_nodes);
435

436 437 438 439
    if(lp_io_prepare("modelnet-test", LP_IO_UNIQ_SUFFIX, &handle, MPI_COMM_WORLD) < 0)
    {
        return(-1);
    }
440
    modelnet_stats_dir = lp_io_handle_to_dir(handle);
441 442

    tw_run();
443

444 445
    model_net_report_stats(net_id);

446 447 448 449 450 451 452 453 454 455 456 457 458 459 460

#if PARAMS_LOG
    if(!g_tw_mynode)
    {
	char temp_filename[1024];
	char temp_filename_header[1024];
	sprintf(temp_filename,"%s/sim_log.txt",modelnet_stats_dir);
	sprintf(temp_filename_header,"%s/sim_log_header.txt",modelnet_stats_dir);
	FILE *fattree_results_log=fopen(temp_filename, "a");
	FILE *fattree_results_log_header=fopen(temp_filename_header, "a");
	if(fattree_results_log == NULL)
		printf("\n Failed to open results log file %s in synthetic-fattree\n",temp_filename);
	if(fattree_results_log_header == NULL)
		printf("\n Failed to open results log header file %s in synthetic-fattree\n",temp_filename_header);
	printf("Printing Simulation Parameters/Results Log File\n");
Noah Wolfe's avatar
Noah Wolfe committed
461 462
	fprintf(fattree_results_log_header,", <Workload>, <Load>, <Mean Interval>, ");
	fprintf(fattree_results_log,"%11.3d, %5.2f, %15.2f, ",traffic, load, MEAN_INTERVAL);
463 464 465 466 467
	fclose(fattree_results_log_header);
	fclose(fattree_results_log);
    }
#endif

468 469 470 471 472 473
    if(lp_io_flush(handle, MPI_COMM_WORLD) < 0)
    {
        return(-1);
    }

    tw_end();
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536

#if PARAMS_LOG
    if(!g_tw_mynode)
    {
	char temp_filename[1024];
	char temp_filename_header[1024];
	sprintf(temp_filename,"%s/sim_log.txt",modelnet_stats_dir);
	sprintf(temp_filename_header,"%s/sim_log_header.txt",modelnet_stats_dir);
	FILE *fattree_results_log=fopen(temp_filename, "a");
	FILE *fattree_results_log_header=fopen(temp_filename_header, "a");
	FILE *fattree_ross_csv_log=fopen("ross.csv", "r");
	if(fattree_results_log == NULL)
		printf("\n Failed to open results log file %s in synthetic-fattree\n",temp_filename);
	if(fattree_results_log_header == NULL)
		printf("\n Failed to open results log header file %s in synthetic-fattree\n",temp_filename_header);
	if(fattree_ross_csv_log == NULL)
		tw_error(TW_LOC, "\n Failed to open ross.csv log file \n");
	printf("Reading ROSS specific data from ross.csv and Printing to Fat Tree Log File\n");
	
	char * line = NULL;
	size_t len = 0;
	ssize_t read = getline(&line, &len, fattree_ross_csv_log);
	while (read != -1) 
	{
		read = getline(&line, &len, fattree_ross_csv_log);
	}

	char * pch;
	pch = strtok (line,",");
	int idx = 0;
        int gvt_computations;
	long long total_events, rollbacks, net_events;
        float running_time, efficiency, event_rate;
	while (pch != NULL)
	{
		pch = strtok (NULL, ",");
		switch(idx)
		{
			case 4:
				total_events = atoll(pch);
				break;
			case 13:
				rollbacks = atoll(pch);
				break;
			case 17:
				gvt_computations = atoi(pch);
				break;
			case 18:
				net_events = atoll(pch);
				break;
			case 3:
				running_time = atof(pch);
				break;
			case 8:
				efficiency = atof(pch);
				break;
			case 19:
				event_rate = atof(pch);
				break;
		}
		idx++;
	}
	fprintf(fattree_results_log_header,"<Total Events>, <Rollbacks>, <GVT Computations>, <Net Events>, <Running Time>, <Efficiency>, <Event Rate>");
Noah Wolfe's avatar
Noah Wolfe committed
537
	fprintf(fattree_results_log,"%14llu, %11llu, %18d, %12llu, %14.4f, %12.2f, %12.2f\n",total_events,rollbacks,gvt_computations,net_events,running_time,efficiency,event_rate);
538 539 540 541 542 543
	fclose(fattree_results_log);
	fclose(fattree_results_log_header);
	fclose(fattree_ross_csv_log);
    }
#endif

544 545 546 547 548 549 550 551 552 553 554
    return 0;
}

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 * End:
 *
 * vim: ft=c ts=8 sts=4 sw=4 expandtab
 */