| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * $Id: perftest.c,v 1.1 2004/04/21 00:37:32 mdw Exp $ |
| 4 | * |
| 5 | * Measure performance of various operations (Unix-specific) |
| 6 | * |
| 7 | * (c) 2004 Straylight/Edgeware |
| 8 | */ |
| 9 | |
| 10 | /*----- Licensing notice --------------------------------------------------* |
| 11 | * |
| 12 | * This file is part of Catacomb. |
| 13 | * |
| 14 | * Catacomb is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU Library General Public License as |
| 16 | * published by the Free Software Foundation; either version 2 of the |
| 17 | * License, or (at your option) any later version. |
| 18 | * |
| 19 | * Catacomb is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU Library General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU Library General Public |
| 25 | * License along with Catacomb; if not, write to the Free |
| 26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 27 | * MA 02111-1307, USA. |
| 28 | */ |
| 29 | |
| 30 | /*----- Header files ------------------------------------------------------*/ |
| 31 | |
| 32 | #include "config.h" |
| 33 | |
| 34 | #include <errno.h> |
| 35 | #include <limits.h> |
| 36 | #include <math.h> |
| 37 | #include <stdio.h> |
| 38 | #include <string.h> |
| 39 | #include <stdlib.h> |
| 40 | #include <time.h> |
| 41 | |
| 42 | #include <sys/types.h> |
| 43 | #include <sys/time.h> |
| 44 | #include <unistd.h> |
| 45 | |
| 46 | #include <mLib/alloc.h> |
| 47 | #include <mLib/dstr.h> |
| 48 | #include <mLib/mdwopt.h> |
| 49 | #include <mLib/quis.h> |
| 50 | #include <mLib/report.h> |
| 51 | #include <mLib/sub.h> |
| 52 | #include <mLib/tv.h> |
| 53 | |
| 54 | #include "rand.h" |
| 55 | #include "mp.h" |
| 56 | #include "mprand.h" |
| 57 | #include "fibrand.h" |
| 58 | #include "rsa.h" |
| 59 | #include "mpmont.h" |
| 60 | #include "mpbarrett.h" |
| 61 | #include "dh.h" |
| 62 | #include "pgen.h" |
| 63 | #include "ec.h" |
| 64 | #include "group.h" |
| 65 | |
| 66 | #include "gcipher.h" |
| 67 | #include "ghash.h" |
| 68 | #include "gmac.h" |
| 69 | |
| 70 | /*----- Options -----------------------------------------------------------*/ |
| 71 | |
| 72 | typedef struct opts { |
| 73 | const char *name; /* Pre-configured named thing */ |
| 74 | unsigned fbits; /* Field size bits */ |
| 75 | unsigned gbits; /* Group size bits */ |
| 76 | unsigned n; /* Number of factors */ |
| 77 | unsigned i; /* Number of intervals (or zero) */ |
| 78 | double t; /* Time for each interval (secs) */ |
| 79 | } opts; |
| 80 | |
| 81 | /*----- Job switch --------------------------------------------------------*/ |
| 82 | |
| 83 | /* --- Barrett exponentiation --- */ |
| 84 | |
| 85 | typedef struct bar_ctx { |
| 86 | size_t n; |
| 87 | mpbarrett b; |
| 88 | mp_expfactor *e; |
| 89 | } bar_ctx; |
| 90 | |
| 91 | static void *bar_init(opts *o) |
| 92 | { |
| 93 | bar_ctx *c = CREATE(bar_ctx); |
| 94 | gprime_param gp; |
| 95 | qd_parse qd; |
| 96 | size_t i; |
| 97 | |
| 98 | if (o->name) { |
| 99 | qd.p = o->name; |
| 100 | if (dh_parse(&qd, &gp)) |
| 101 | die(1, "bad prime group: %s", qd.e); |
| 102 | } else { |
| 103 | if (!o->fbits) o->fbits = 1024; |
| 104 | dh_gen(&gp, o->gbits, o->fbits, 0, &rand_global, pgen_evspin, 0); |
| 105 | } |
| 106 | mpbarrett_create(&c->b, gp.p); |
| 107 | if (!o->n) o->n = 1; |
| 108 | c->n = o->n; |
| 109 | c->e = xmalloc(c->n * sizeof(group_expfactor)); |
| 110 | for (i = 0; i < c->n; i++) { |
| 111 | c->e[i].base = mprand_range(MP_NEW, gp.p, &rand_global, 0); |
| 112 | c->e[i].exp = mprand_range(MP_NEW, gp.q, &rand_global, 0); |
| 113 | } |
| 114 | dh_paramfree(&gp); |
| 115 | return (c); |
| 116 | } |
| 117 | |
| 118 | static void bar_run(void *cc) |
| 119 | { |
| 120 | bar_ctx *c = cc; |
| 121 | mp *d = mpbarrett_exp(&c->b, MP_NEW, c->e[0].base, c->e[0].exp); |
| 122 | MP_DROP(d); |
| 123 | } |
| 124 | |
| 125 | static void barsim_run(void *cc) |
| 126 | { |
| 127 | bar_ctx *c = cc; |
| 128 | mp *d = mpbarrett_mexp(&c->b, MP_NEW, c->e, c->n); |
| 129 | MP_DROP(d); |
| 130 | } |
| 131 | |
| 132 | /* --- Montgomery exponentiation --- */ |
| 133 | |
| 134 | typedef struct mont_ctx { |
| 135 | size_t n; |
| 136 | mpmont m; |
| 137 | mp_expfactor *e; |
| 138 | } mont_ctx; |
| 139 | |
| 140 | static void *mont_init(opts *o) |
| 141 | { |
| 142 | mont_ctx *c = CREATE(mont_ctx); |
| 143 | gprime_param gp; |
| 144 | qd_parse qd; |
| 145 | size_t i; |
| 146 | |
| 147 | if (o->name) { |
| 148 | qd.p = o->name; |
| 149 | if (dh_parse(&qd, &gp)) |
| 150 | die(1, "bad prime group: %s", qd.e); |
| 151 | } else { |
| 152 | if (!o->fbits) o->fbits = 1024; |
| 153 | dh_gen(&gp, o->gbits, o->fbits, 0, &rand_global, pgen_evspin, 0); |
| 154 | } |
| 155 | mpmont_create(&c->m, gp.p); |
| 156 | if (!o->n) o->n = 1; |
| 157 | c->n = o->n; |
| 158 | c->e = xmalloc(c->n * sizeof(mp_expfactor)); |
| 159 | for (i = 0; i < c->n; i++) { |
| 160 | c->e[i].base = mprand_range(MP_NEW, gp.p, &rand_global, 0); |
| 161 | c->e[i].exp = mprand_range(MP_NEW, gp.q, &rand_global, 0); |
| 162 | } |
| 163 | dh_paramfree(&gp); |
| 164 | return (c); |
| 165 | } |
| 166 | |
| 167 | static void mont_run(void *cc) |
| 168 | { |
| 169 | mont_ctx *c = cc; |
| 170 | mp *d = mpmont_expr(&c->m, MP_NEW, c->e[0].base, c->e[0].exp); |
| 171 | MP_DROP(d); |
| 172 | } |
| 173 | |
| 174 | static void montsim_run(void *cc) |
| 175 | { |
| 176 | mont_ctx *c = cc; |
| 177 | mp *d = mpmont_mexpr(&c->m, MP_NEW, c->e, c->n); |
| 178 | MP_DROP(d); |
| 179 | } |
| 180 | |
| 181 | /* --- Group exponentiation --- */ |
| 182 | |
| 183 | typedef struct gr_ctx { |
| 184 | size_t n; |
| 185 | group *g; |
| 186 | group_expfactor *e; |
| 187 | } gr_ctx; |
| 188 | |
| 189 | static void *grp_init(opts *o) |
| 190 | { |
| 191 | gr_ctx *c = CREATE(gr_ctx); |
| 192 | const char *e; |
| 193 | gprime_param gp; |
| 194 | qd_parse qd; |
| 195 | size_t i; |
| 196 | |
| 197 | if (o->name) { |
| 198 | qd.p = o->name; |
| 199 | if (dh_parse(&qd, &gp)) |
| 200 | die(1, "bad prime group: %s", qd.e); |
| 201 | } else { |
| 202 | if (!o->fbits) o->fbits = 1024; |
| 203 | dh_gen(&gp, o->gbits, o->fbits, 0, &rand_global, pgen_evspin, 0); |
| 204 | } |
| 205 | c->g = group_prime(&gp); |
| 206 | if ((e = G_CHECK(c->g, &rand_global)) != 0) |
| 207 | die(1, "bad group: %s", e); |
| 208 | if (!o->n) o->n = 1; |
| 209 | c->n = o->n; |
| 210 | c->e = xmalloc(c->n * sizeof(group_expfactor)); |
| 211 | for (i = 0; i < c->n; i++) { |
| 212 | c->e[i].base = G_CREATE(c->g); |
| 213 | G_FROMINT(c->g, c->e[i].base, |
| 214 | mprand_range(MP_NEW, gp.p, &rand_global, 0)); |
| 215 | c->e[i].exp = mprand_range(MP_NEW, gp.q, &rand_global, 0); |
| 216 | } |
| 217 | dh_paramfree(&gp); |
| 218 | return (c); |
| 219 | } |
| 220 | |
| 221 | static void *grec_init(opts *o) |
| 222 | { |
| 223 | gr_ctx *c = CREATE(gr_ctx); |
| 224 | const char *e; |
| 225 | ec_info ei; |
| 226 | ec p = EC_INIT; |
| 227 | size_t i; |
| 228 | |
| 229 | if (!o->name) |
| 230 | die(1, "can't generate elliptic curves"); |
| 231 | if ((e = ec_getinfo(&ei, o->name)) != 0) |
| 232 | die(1, "bad curve: %s", e); |
| 233 | c->g = group_ec(&ei); |
| 234 | if ((e = G_CHECK(c->g, &rand_global)) != 0) |
| 235 | die(1, "bad group: %s", e); |
| 236 | if (!o->n) o->n = 1; |
| 237 | c->n = o->n; |
| 238 | c->e = xmalloc(c->n * sizeof(group_expfactor)); |
| 239 | for (i = 0; i < c->n; i++) { |
| 240 | c->e[i].base = G_CREATE(c->g); |
| 241 | ec_rand(ei.c, &p, &rand_global); |
| 242 | G_FROMEC(c->g, c->e[i].base, &p); |
| 243 | c->e[i].exp = mprand_range(MP_NEW, ei.r, &rand_global, 0); |
| 244 | } |
| 245 | EC_DESTROY(&p); |
| 246 | return (c); |
| 247 | } |
| 248 | |
| 249 | static void gr_run(void *cc) |
| 250 | { |
| 251 | gr_ctx *c = cc; |
| 252 | ge *x = G_CREATE(c->g); |
| 253 | G_EXP(c->g, x, c->e[0].base, c->e[0].exp); |
| 254 | G_DESTROY(c->g, x); |
| 255 | } |
| 256 | |
| 257 | static void grsim_run(void *cc) |
| 258 | { |
| 259 | gr_ctx *c = cc; |
| 260 | ge *x = G_CREATE(c->g); |
| 261 | G_MEXP(c->g, x, c->e, c->n); |
| 262 | G_DESTROY(c->g, x); |
| 263 | } |
| 264 | |
| 265 | /* --- RSA --- */ |
| 266 | |
| 267 | typedef struct rsapriv_ctx { |
| 268 | rsa_priv rp; |
| 269 | rsa_privctx rpc; |
| 270 | mp *m; |
| 271 | } rsapriv_ctx; |
| 272 | |
| 273 | static void *rsapriv_init(opts *o) |
| 274 | { |
| 275 | rsapriv_ctx *c = CREATE(rsapriv_ctx); |
| 276 | |
| 277 | if (!o->fbits) o->fbits = 1024; |
| 278 | rsa_gen(&c->rp, o->fbits, &rand_global, 0, pgen_evspin, 0); |
| 279 | rsa_privcreate(&c->rpc, &c->rp, 0); |
| 280 | c->m = mprand_range(MP_NEW, c->rp.n, &rand_global, 0); |
| 281 | return (c); |
| 282 | } |
| 283 | |
| 284 | static void *rsaprivblind_init(opts *o) |
| 285 | { |
| 286 | rsapriv_ctx *c = CREATE(rsapriv_ctx); |
| 287 | |
| 288 | if (!o->fbits) o->fbits = 1024; |
| 289 | rsa_gen(&c->rp, o->fbits, &rand_global, 0, pgen_evspin, 0); |
| 290 | rsa_privcreate(&c->rpc, &c->rp, fibrand_create(0)); |
| 291 | c->m = mprand_range(MP_NEW, c->rp.n, &rand_global, 0); |
| 292 | return (c); |
| 293 | } |
| 294 | |
| 295 | static void rsapriv_run(void *cc) |
| 296 | { |
| 297 | rsapriv_ctx *c = cc; |
| 298 | mp *d = rsa_privop(&c->rpc, MP_NEW, c->m); |
| 299 | MP_DROP(d); |
| 300 | } |
| 301 | |
| 302 | typedef struct rsapub_ctx { |
| 303 | rsa_pub rp; |
| 304 | rsa_pubctx rpc; |
| 305 | mp *m; |
| 306 | } rsapub_ctx; |
| 307 | |
| 308 | static void *rsapub_init(opts *o) |
| 309 | { |
| 310 | rsapub_ctx *c = CREATE(rsapub_ctx); |
| 311 | rsa_priv rp; |
| 312 | |
| 313 | if (!o->fbits) o->fbits = 1024; |
| 314 | rsa_gen(&rp, o->fbits, &rand_global, 0, pgen_evspin, 0); |
| 315 | c->rp.n = MP_COPY(rp.n); |
| 316 | c->rp.e = MP_COPY(rp.e); |
| 317 | rsa_privfree(&rp); |
| 318 | rsa_pubcreate(&c->rpc, &c->rp); |
| 319 | c->m = mprand_range(MP_NEW, c->rp.n, &rand_global, 0); |
| 320 | return (c); |
| 321 | } |
| 322 | |
| 323 | static void rsapub_run(void *cc) |
| 324 | { |
| 325 | rsapub_ctx *c = cc; |
| 326 | mp *d = rsa_pubop(&c->rpc, MP_NEW, c->m); |
| 327 | MP_DROP(d); |
| 328 | } |
| 329 | |
| 330 | /* --- Symmetric encryption --- */ |
| 331 | |
| 332 | typedef struct ksched_ctx { |
| 333 | const gccipher *c; |
| 334 | octet *k; |
| 335 | size_t ksz; |
| 336 | } ksched_ctx; |
| 337 | |
| 338 | static void *ksched_init(opts *o) |
| 339 | { |
| 340 | ksched_ctx *c = CREATE(ksched_ctx); |
| 341 | if (!o->name) |
| 342 | die(1, "must specify encryption scheme name"); |
| 343 | if ((c->c = gcipher_byname(o->name)) == 0) |
| 344 | die(1, "encryption scheme `%s' not known", o->name); |
| 345 | c->ksz = keysz(o->gbits/8, c->c->keysz); |
| 346 | c->k = xmalloc(c->ksz); |
| 347 | rand_get(RAND_GLOBAL, c->k, c->ksz); |
| 348 | return (c); |
| 349 | } |
| 350 | |
| 351 | static void ksched_run(void *cc) |
| 352 | { |
| 353 | ksched_ctx *c = cc; |
| 354 | gcipher *gc = GC_INIT(c->c, c->k, c->ksz); |
| 355 | GC_DESTROY(gc); |
| 356 | } |
| 357 | |
| 358 | typedef struct enc_ctx { |
| 359 | gcipher *c; |
| 360 | octet *m; |
| 361 | size_t sz; |
| 362 | size_t n; |
| 363 | } enc_ctx; |
| 364 | |
| 365 | static void *enc_init(opts *o) |
| 366 | { |
| 367 | enc_ctx *c = CREATE(enc_ctx); |
| 368 | const gccipher *cc; |
| 369 | size_t ksz; |
| 370 | octet *k; |
| 371 | if (!o->name) |
| 372 | die(1, "must specify encryption scheme name"); |
| 373 | if ((cc = gcipher_byname(o->name)) == 0) |
| 374 | die(1, "encryption scheme `%s' not known", o->name); |
| 375 | ksz = keysz(0, cc->keysz); |
| 376 | k = xmalloc(ksz); |
| 377 | rand_get(RAND_GLOBAL, k, ksz); |
| 378 | c->c = GC_INIT(cc, k, ksz); |
| 379 | xfree(k); |
| 380 | c->sz = o->gbits ? o->gbits : 65536; |
| 381 | c->n = o->n ? o->n : 16; |
| 382 | c->m = xmalloc(c->sz); |
| 383 | return (c); |
| 384 | } |
| 385 | |
| 386 | static void enc_run(void *cc) |
| 387 | { |
| 388 | enc_ctx *c = cc; |
| 389 | size_t i; |
| 390 | for (i = 0; i < c->n; i++) |
| 391 | GC_ENCRYPT(c->c, c->m, c->m, c->sz); |
| 392 | } |
| 393 | |
| 394 | /* --- Hashing --- */ |
| 395 | |
| 396 | typedef struct hash_ctx { |
| 397 | const gchash *h; |
| 398 | octet *m; |
| 399 | size_t sz; |
| 400 | size_t n; |
| 401 | } hash_ctx; |
| 402 | |
| 403 | static void *hash_init(opts *o) |
| 404 | { |
| 405 | hash_ctx *c = CREATE(hash_ctx); |
| 406 | if (!o->name) |
| 407 | die(1, "must specify hash function name"); |
| 408 | if ((c->h = ghash_byname(o->name)) == 0) |
| 409 | die(1, "hash function `%s' not known", o->name); |
| 410 | c->sz = o->gbits ? o->gbits : 65536; |
| 411 | c->n = o->n ? o->n : 16; |
| 412 | c->m = xmalloc(c->sz); |
| 413 | return (c); |
| 414 | } |
| 415 | |
| 416 | static void hash_run(void *cc) |
| 417 | { |
| 418 | hash_ctx *c = cc; |
| 419 | size_t i; |
| 420 | ghash *h = GH_INIT(c->h); |
| 421 | for (i = 0; i < c->n; i++) |
| 422 | GH_HASH(h, c->m, c->sz); |
| 423 | GH_DONE(h, 0); |
| 424 | GH_DESTROY(h); |
| 425 | } |
| 426 | |
| 427 | /* --- Job table --- */ |
| 428 | |
| 429 | typedef struct jobobs { |
| 430 | const char *name; |
| 431 | void *(*init)(opts *); |
| 432 | void (*run)(void *); |
| 433 | } jobops; |
| 434 | |
| 435 | static const jobops jobtab[] = { |
| 436 | { "g-prime-exp", grp_init, gr_run }, |
| 437 | { "g-ec-mul", grec_init, gr_run }, |
| 438 | { "g-prime-exp-sim", grp_init, grsim_run }, |
| 439 | { "g-ec-mul-sim", grec_init, grsim_run }, |
| 440 | { "barrett-exp", bar_init, bar_run }, |
| 441 | { "barrett-exp-sim", bar_init, barsim_run }, |
| 442 | { "mont-exp", mont_init, mont_run }, |
| 443 | { "mont-exp-sim", mont_init, montsim_run }, |
| 444 | { "rsa-priv", rsapriv_init, rsapriv_run }, |
| 445 | { "rsa-priv-blind", rsaprivblind_init, rsapriv_run }, |
| 446 | { "rsa-pub", rsapub_init, rsapub_run }, |
| 447 | { "ksched", ksched_init, ksched_run }, |
| 448 | { "enc", enc_init, enc_run }, |
| 449 | { "hash", hash_init, hash_run }, |
| 450 | { 0, 0, 0 } |
| 451 | }; |
| 452 | |
| 453 | /*----- Main code ---------------------------------------------------------*/ |
| 454 | |
| 455 | static void version(FILE *fp) |
| 456 | { |
| 457 | pquis(fp, "$, Catacomb " VERSION "\n"); |
| 458 | } |
| 459 | |
| 460 | static void usage(FILE *fp) |
| 461 | { |
| 462 | pquis(fp, "Usage: $ [-options] job\n"); |
| 463 | } |
| 464 | |
| 465 | static void help(FILE *fp) |
| 466 | { |
| 467 | version(fp); |
| 468 | putc('\n', fp); |
| 469 | usage(fp); |
| 470 | pquis(fp, "\n\ |
| 471 | Various performance tests.\n\ |
| 472 | "); |
| 473 | } |
| 474 | |
| 475 | static unsigned uarg(const char *what, const char *p) |
| 476 | { |
| 477 | char *q; |
| 478 | unsigned long u; |
| 479 | errno = 0; |
| 480 | u = strtoul(p, &q, 0); |
| 481 | if (*q || u > UINT_MAX || q == p || errno) |
| 482 | die(1, "bad %s `%s'", what, p); |
| 483 | return (u); |
| 484 | } |
| 485 | |
| 486 | static double farg(const char *what, const char *p) |
| 487 | { |
| 488 | char *q; |
| 489 | double f; |
| 490 | errno = 0; |
| 491 | f = strtod(p, &q); |
| 492 | if (*q || q == p || errno) |
| 493 | die(1, "bad %s `%s'", what, p); |
| 494 | return (f); |
| 495 | } |
| 496 | |
| 497 | int main(int argc, char *argv[]) |
| 498 | { |
| 499 | int i; |
| 500 | opts o = { 0 }; |
| 501 | const jobops *j; |
| 502 | struct timeval tv_next, tv_now; |
| 503 | double t, ttot; |
| 504 | unsigned n; |
| 505 | unsigned long ii; |
| 506 | clock_t c_start, c_stop; |
| 507 | double itot; |
| 508 | void *p; |
| 509 | |
| 510 | ego(argv[0]); |
| 511 | o.t = 1; |
| 512 | for (;;) { |
| 513 | static const struct option opts[] = { |
| 514 | { "help", 0, 0, 'h' }, |
| 515 | { "version", 0, 0, 'v' }, |
| 516 | { "usage", 0, 0, 'u' }, |
| 517 | { "name", OPTF_ARGREQ, 0, 'C' }, |
| 518 | { "field-bits", OPTF_ARGREQ, 0, 'b' }, |
| 519 | { "group-bits", OPTF_ARGREQ, 0, 'B' }, |
| 520 | { "factors", OPTF_ARGREQ, 0, 'n' }, |
| 521 | { "intervals", OPTF_ARGREQ, 0, 'i' }, |
| 522 | { "time", OPTF_ARGREQ, 0, 't' }, |
| 523 | { 0, 0, 0, 0 } |
| 524 | }; |
| 525 | |
| 526 | i = mdwopt(argc, argv, "hvuC:b:B:n:i:t:", opts, 0, 0, 0); |
| 527 | if (i < 0) break; |
| 528 | switch (i) { |
| 529 | case 'h': help(stdout); exit(0); |
| 530 | case 'v': version(stdout); exit(0); |
| 531 | case 'u': usage(stdout); exit(0); |
| 532 | case 'C': o.name = optarg; break; |
| 533 | case 'b': o.fbits = uarg("field bits", optarg); break; |
| 534 | case 'B': o.gbits = uarg("subgroup bits", optarg); break; |
| 535 | case 'n': o.n = uarg("factor count", optarg); break; |
| 536 | case 'i': o.i = uarg("interval count", optarg); break; |
| 537 | case 't': o.t = farg("interval length", optarg); break; |
| 538 | default: usage(stderr); exit(1); |
| 539 | } |
| 540 | } |
| 541 | if (optind + 1 != argc) { usage(stderr); exit(1); } |
| 542 | |
| 543 | for (j = jobtab; j->name; j++) |
| 544 | if (strcmp(j->name, argv[optind]) == 0) break; |
| 545 | if (!j->name) die(1, "unknown job type `%s'", argv[optind]); |
| 546 | p = j->init(&o); |
| 547 | |
| 548 | n = 0; |
| 549 | ttot = itot = 0; |
| 550 | gettimeofday(&tv_now, 0); |
| 551 | do { |
| 552 | tv_addl(&tv_next, &tv_now, o.t, fmod(o.t * MILLION, MILLION)); |
| 553 | ii = 0; |
| 554 | c_start = clock(); |
| 555 | do { |
| 556 | j->run(p); |
| 557 | ii++; |
| 558 | gettimeofday(&tv_now, 0); |
| 559 | } while (TV_CMP(&tv_now, <, &tv_next)); |
| 560 | c_stop = clock(); |
| 561 | t = (double)(c_stop - c_start)/CLOCKS_PER_SEC; |
| 562 | itot += ii; |
| 563 | ttot += t; |
| 564 | printf("%5u: did = %5lu; /sec = %5f; avg /sec = %5f\n", |
| 565 | n, ii, ii/t, itot/ttot); |
| 566 | fflush(stdout); |
| 567 | n++; |
| 568 | } while (!o.i || n < o.i); |
| 569 | |
| 570 | return (0); |
| 571 | } |
| 572 | |
| 573 | /*----- That's all, folks -------------------------------------------------*/ |