You can not select more than 25 topics Topics must start with a chinese character,a letter or number, can include dashes ('-') and can be up to 35 characters long.

gemm.c 18 kB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594
  1. /*********************************************************************/
  2. /* Copyright 2009, 2010 The University of Texas at Austin. */
  3. /* All rights reserved. */
  4. /* */
  5. /* Redistribution and use in source and binary forms, with or */
  6. /* without modification, are permitted provided that the following */
  7. /* conditions are met: */
  8. /* */
  9. /* 1. Redistributions of source code must retain the above */
  10. /* copyright notice, this list of conditions and the following */
  11. /* disclaimer. */
  12. /* */
  13. /* 2. Redistributions in binary form must reproduce the above */
  14. /* copyright notice, this list of conditions and the following */
  15. /* disclaimer in the documentation and/or other materials */
  16. /* provided with the distribution. */
  17. /* */
  18. /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
  19. /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
  20. /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
  21. /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
  22. /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
  23. /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
  24. /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
  25. /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
  26. /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
  27. /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
  28. /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
  29. /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
  30. /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
  31. /* POSSIBILITY OF SUCH DAMAGE. */
  32. /* */
  33. /* The views and conclusions contained in the software and */
  34. /* documentation are those of the authors and should not be */
  35. /* interpreted as representing official policies, either expressed */
  36. /* or implied, of The University of Texas at Austin. */
  37. /*********************************************************************/
  38. #include <stdio.h>
  39. #include <stdlib.h>
  40. #include "common.h"
  41. #ifdef FUNCTION_PROFILE
  42. #include "functable.h"
  43. #endif
  44. #ifndef COMPLEX
  45. #define SMP_THRESHOLD_MIN 65536.0
  46. #ifdef XDOUBLE
  47. #define ERROR_NAME "QGEMM "
  48. #elif defined(DOUBLE)
  49. #define ERROR_NAME "DGEMM "
  50. #elif defined(BFLOAT16)
  51. #define ERROR_NAME "SBGEMM "
  52. #else
  53. #define ERROR_NAME "SGEMM "
  54. #endif
  55. #else
  56. #define SMP_THRESHOLD_MIN 8192.0
  57. #ifndef GEMM3M
  58. #ifdef XDOUBLE
  59. #define ERROR_NAME "XGEMM "
  60. #elif defined(DOUBLE)
  61. #define ERROR_NAME "ZGEMM "
  62. #else
  63. #define ERROR_NAME "CGEMM "
  64. #endif
  65. #else
  66. #ifdef XDOUBLE
  67. #define ERROR_NAME "XGEMM3M "
  68. #elif defined(DOUBLE)
  69. #define ERROR_NAME "ZGEMM3M "
  70. #else
  71. #define ERROR_NAME "CGEMM3M "
  72. #endif
  73. #endif
  74. #endif
  75. #ifndef GEMM_MULTITHREAD_THRESHOLD
  76. #define GEMM_MULTITHREAD_THRESHOLD 4
  77. #endif
  78. static int (*gemm[])(blas_arg_t *, BLASLONG *, BLASLONG *, IFLOAT *, IFLOAT *, BLASLONG) = {
  79. #ifndef GEMM3M
  80. GEMM_NN, GEMM_TN, GEMM_RN, GEMM_CN,
  81. GEMM_NT, GEMM_TT, GEMM_RT, GEMM_CT,
  82. GEMM_NR, GEMM_TR, GEMM_RR, GEMM_CR,
  83. GEMM_NC, GEMM_TC, GEMM_RC, GEMM_CC,
  84. #if defined(SMP) && !defined(USE_SIMPLE_THREADED_LEVEL3)
  85. GEMM_THREAD_NN, GEMM_THREAD_TN, GEMM_THREAD_RN, GEMM_THREAD_CN,
  86. GEMM_THREAD_NT, GEMM_THREAD_TT, GEMM_THREAD_RT, GEMM_THREAD_CT,
  87. GEMM_THREAD_NR, GEMM_THREAD_TR, GEMM_THREAD_RR, GEMM_THREAD_CR,
  88. GEMM_THREAD_NC, GEMM_THREAD_TC, GEMM_THREAD_RC, GEMM_THREAD_CC,
  89. #endif
  90. #else
  91. GEMM3M_NN, GEMM3M_TN, GEMM3M_RN, GEMM3M_CN,
  92. GEMM3M_NT, GEMM3M_TT, GEMM3M_RT, GEMM3M_CT,
  93. GEMM3M_NR, GEMM3M_TR, GEMM3M_RR, GEMM3M_CR,
  94. GEMM3M_NC, GEMM3M_TC, GEMM3M_RC, GEMM3M_CC,
  95. #if defined(SMP) && !defined(USE_SIMPLE_THREADED_LEVEL3)
  96. GEMM3M_THREAD_NN, GEMM3M_THREAD_TN, GEMM3M_THREAD_RN, GEMM3M_THREAD_CN,
  97. GEMM3M_THREAD_NT, GEMM3M_THREAD_TT, GEMM3M_THREAD_RT, GEMM3M_THREAD_CT,
  98. GEMM3M_THREAD_NR, GEMM3M_THREAD_TR, GEMM3M_THREAD_RR, GEMM3M_THREAD_CR,
  99. GEMM3M_THREAD_NC, GEMM3M_THREAD_TC, GEMM3M_THREAD_RC, GEMM3M_THREAD_CC,
  100. #endif
  101. #endif
  102. };
  103. #if defined(SMALL_MATRIX_OPT) && !defined(GEMM3M) && !defined(XDOUBLE)
  104. #define USE_SMALL_MATRIX_OPT 1
  105. #else
  106. #define USE_SMALL_MATRIX_OPT 0
  107. #endif
  108. #if USE_SMALL_MATRIX_OPT
  109. #ifndef DYNAMIC_ARCH
  110. #define SMALL_KERNEL_ADDR(table, idx) ((void *)(table[idx]))
  111. #else
  112. #define SMALL_KERNEL_ADDR(table, idx) ((void *)(*(uintptr_t *)((char *)gotoblas + (size_t)(table[idx]))))
  113. #endif
  114. #ifndef COMPLEX
  115. static size_t gemm_small_kernel[] = {
  116. GEMM_SMALL_KERNEL_NN, GEMM_SMALL_KERNEL_TN, 0, 0,
  117. GEMM_SMALL_KERNEL_NT, GEMM_SMALL_KERNEL_TT, 0, 0,
  118. };
  119. static size_t gemm_small_kernel_b0[] = {
  120. GEMM_SMALL_KERNEL_B0_NN, GEMM_SMALL_KERNEL_B0_TN, 0, 0,
  121. GEMM_SMALL_KERNEL_B0_NT, GEMM_SMALL_KERNEL_B0_TT, 0, 0,
  122. };
  123. #define GEMM_SMALL_KERNEL_B0(idx) (int (*)(BLASLONG, BLASLONG, BLASLONG, IFLOAT *, BLASLONG, FLOAT, IFLOAT *, BLASLONG, FLOAT *, BLASLONG)) SMALL_KERNEL_ADDR(gemm_small_kernel_b0, (idx))
  124. #define GEMM_SMALL_KERNEL(idx) (int (*)(BLASLONG, BLASLONG, BLASLONG, IFLOAT *, BLASLONG, FLOAT, IFLOAT *, BLASLONG, FLOAT, FLOAT *, BLASLONG)) SMALL_KERNEL_ADDR(gemm_small_kernel, (idx))
  125. #else
  126. static size_t zgemm_small_kernel[] = {
  127. GEMM_SMALL_KERNEL_NN, GEMM_SMALL_KERNEL_TN, GEMM_SMALL_KERNEL_RN, GEMM_SMALL_KERNEL_CN,
  128. GEMM_SMALL_KERNEL_NT, GEMM_SMALL_KERNEL_TT, GEMM_SMALL_KERNEL_RT, GEMM_SMALL_KERNEL_CT,
  129. GEMM_SMALL_KERNEL_NR, GEMM_SMALL_KERNEL_TR, GEMM_SMALL_KERNEL_RR, GEMM_SMALL_KERNEL_CR,
  130. GEMM_SMALL_KERNEL_NC, GEMM_SMALL_KERNEL_TC, GEMM_SMALL_KERNEL_RC, GEMM_SMALL_KERNEL_CC,
  131. };
  132. static size_t zgemm_small_kernel_b0[] = {
  133. GEMM_SMALL_KERNEL_B0_NN, GEMM_SMALL_KERNEL_B0_TN, GEMM_SMALL_KERNEL_B0_RN, GEMM_SMALL_KERNEL_B0_CN,
  134. GEMM_SMALL_KERNEL_B0_NT, GEMM_SMALL_KERNEL_B0_TT, GEMM_SMALL_KERNEL_B0_RT, GEMM_SMALL_KERNEL_B0_CT,
  135. GEMM_SMALL_KERNEL_B0_NR, GEMM_SMALL_KERNEL_B0_TR, GEMM_SMALL_KERNEL_B0_RR, GEMM_SMALL_KERNEL_B0_CR,
  136. GEMM_SMALL_KERNEL_B0_NC, GEMM_SMALL_KERNEL_B0_TC, GEMM_SMALL_KERNEL_B0_RC, GEMM_SMALL_KERNEL_B0_CC,
  137. };
  138. #define ZGEMM_SMALL_KERNEL(idx) (int (*)(BLASLONG, BLASLONG, BLASLONG, FLOAT *, BLASLONG, FLOAT , FLOAT, FLOAT *, BLASLONG, FLOAT , FLOAT, FLOAT *, BLASLONG)) SMALL_KERNEL_ADDR(zgemm_small_kernel, (idx))
  139. #define ZGEMM_SMALL_KERNEL_B0(idx) (int (*)(BLASLONG, BLASLONG, BLASLONG, FLOAT *, BLASLONG, FLOAT , FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG)) SMALL_KERNEL_ADDR(zgemm_small_kernel_b0, (idx))
  140. #endif
  141. #endif
  142. #if defined(__linux__) && defined(__x86_64__) && defined(BFLOAT16)
  143. #define XFEATURE_XTILEDATA 18
  144. #define ARCH_REQ_XCOMP_PERM 0x1023
  145. static int openblas_amxtile_permission = 0;
  146. static int init_amxtile_permission() {
  147. long status =
  148. syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_PERM, XFEATURE_XTILEDATA);
  149. if (status != 0) {
  150. fprintf(stderr, "XTILEDATA permission not granted in your device(Linux, "
  151. "Intel Sapphier Rapids), skip sbgemm calculation\n");
  152. return -1;
  153. }
  154. openblas_amxtile_permission = 1;
  155. return 0;
  156. }
  157. #endif
  158. #ifndef CBLAS
  159. void NAME(char *TRANSA, char *TRANSB,
  160. blasint *M, blasint *N, blasint *K,
  161. FLOAT *alpha,
  162. IFLOAT *a, blasint *ldA,
  163. IFLOAT *b, blasint *ldB,
  164. FLOAT *beta,
  165. FLOAT *c, blasint *ldC){
  166. blas_arg_t args;
  167. int transa, transb, nrowa, nrowb;
  168. blasint info;
  169. char transA, transB;
  170. IFLOAT *buffer;
  171. IFLOAT *sa, *sb;
  172. #ifdef SMP
  173. double MNK;
  174. #if defined(USE_SIMPLE_THREADED_LEVEL3) || !defined(NO_AFFINITY)
  175. #ifndef COMPLEX
  176. #ifdef XDOUBLE
  177. int mode = BLAS_XDOUBLE | BLAS_REAL;
  178. #elif defined(DOUBLE)
  179. int mode = BLAS_DOUBLE | BLAS_REAL;
  180. #else
  181. int mode = BLAS_SINGLE | BLAS_REAL;
  182. #endif
  183. #else
  184. #ifdef XDOUBLE
  185. int mode = BLAS_XDOUBLE | BLAS_COMPLEX;
  186. #elif defined(DOUBLE)
  187. int mode = BLAS_DOUBLE | BLAS_COMPLEX;
  188. #else
  189. int mode = BLAS_SINGLE | BLAS_COMPLEX;
  190. #endif
  191. #endif
  192. #endif
  193. #endif
  194. #if defined(SMP) && !defined(NO_AFFINITY) && !defined(USE_SIMPLE_THREADED_LEVEL3)
  195. int nodes;
  196. #endif
  197. PRINT_DEBUG_NAME;
  198. args.m = *M;
  199. args.n = *N;
  200. args.k = *K;
  201. args.a = (void *)a;
  202. args.b = (void *)b;
  203. args.c = (void *)c;
  204. args.lda = *ldA;
  205. args.ldb = *ldB;
  206. args.ldc = *ldC;
  207. args.alpha = (void *)alpha;
  208. args.beta = (void *)beta;
  209. transA = *TRANSA;
  210. transB = *TRANSB;
  211. TOUPPER(transA);
  212. TOUPPER(transB);
  213. transa = -1;
  214. transb = -1;
  215. if (transA == 'N') transa = 0;
  216. if (transA == 'T') transa = 1;
  217. #ifndef COMPLEX
  218. if (transA == 'R') transa = 0;
  219. if (transA == 'C') transa = 1;
  220. #else
  221. if (transA == 'R') transa = 2;
  222. if (transA == 'C') transa = 3;
  223. #endif
  224. if (transB == 'N') transb = 0;
  225. if (transB == 'T') transb = 1;
  226. #ifndef COMPLEX
  227. if (transB == 'R') transb = 0;
  228. if (transB == 'C') transb = 1;
  229. #else
  230. if (transB == 'R') transb = 2;
  231. if (transB == 'C') transb = 3;
  232. #endif
  233. nrowa = args.m;
  234. if (transa & 1) nrowa = args.k;
  235. nrowb = args.k;
  236. if (transb & 1) nrowb = args.n;
  237. info = 0;
  238. if (args.ldc < args.m) info = 13;
  239. if (args.ldb < nrowb) info = 10;
  240. if (args.lda < nrowa) info = 8;
  241. if (args.k < 0) info = 5;
  242. if (args.n < 0) info = 4;
  243. if (args.m < 0) info = 3;
  244. if (transb < 0) info = 2;
  245. if (transa < 0) info = 1;
  246. if (info){
  247. BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
  248. return;
  249. }
  250. #else
  251. void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANSPOSE TransB,
  252. blasint m, blasint n, blasint k,
  253. #ifndef COMPLEX
  254. FLOAT alpha,
  255. IFLOAT *a, blasint lda,
  256. IFLOAT *b, blasint ldb,
  257. FLOAT beta,
  258. FLOAT *c, blasint ldc) {
  259. #else
  260. void *valpha,
  261. void *va, blasint lda,
  262. void *vb, blasint ldb,
  263. void *vbeta,
  264. void *vc, blasint ldc) {
  265. FLOAT *alpha = (FLOAT*) valpha;
  266. FLOAT *beta = (FLOAT*) vbeta;
  267. FLOAT *a = (FLOAT*) va;
  268. FLOAT *b = (FLOAT*) vb;
  269. FLOAT *c = (FLOAT*) vc;
  270. #endif
  271. blas_arg_t args;
  272. int transa, transb;
  273. blasint nrowa, nrowb, info;
  274. XFLOAT *buffer;
  275. XFLOAT *sa, *sb;
  276. #ifdef SMP
  277. double MNK;
  278. #if defined(USE_SIMPLE_THREADED_LEVEL3) || !defined(NO_AFFINITY)
  279. #ifndef COMPLEX
  280. #ifdef XDOUBLE
  281. int mode = BLAS_XDOUBLE | BLAS_REAL;
  282. #elif defined(DOUBLE)
  283. int mode = BLAS_DOUBLE | BLAS_REAL;
  284. #else
  285. int mode = BLAS_SINGLE | BLAS_REAL;
  286. #endif
  287. #else
  288. #ifdef XDOUBLE
  289. int mode = BLAS_XDOUBLE | BLAS_COMPLEX;
  290. #elif defined(DOUBLE)
  291. int mode = BLAS_DOUBLE | BLAS_COMPLEX;
  292. #else
  293. int mode = BLAS_SINGLE | BLAS_COMPLEX;
  294. #endif
  295. #endif
  296. #endif
  297. #endif
  298. #if defined(SMP) && !defined(NO_AFFINITY) && !defined(USE_SIMPLE_THREADED_LEVEL3)
  299. int nodes;
  300. #endif
  301. PRINT_DEBUG_CNAME;
  302. #if !defined(COMPLEX) && !defined(DOUBLE) && !defined(BFLOAT16) && defined(USE_SGEMM_KERNEL_DIRECT)
  303. #ifdef DYNAMIC_ARCH
  304. if (support_avx512() )
  305. #endif
  306. if (beta == 0 && alpha == 1.0 && order == CblasRowMajor && TransA == CblasNoTrans && TransB == CblasNoTrans && SGEMM_DIRECT_PERFORMANT(m,n,k)) {
  307. SGEMM_DIRECT(m, n, k, a, lda, b, ldb, c, ldc);
  308. return;
  309. }
  310. #endif
  311. #ifndef COMPLEX
  312. args.alpha = (void *)&alpha;
  313. args.beta = (void *)&beta;
  314. #else
  315. args.alpha = (void *)alpha;
  316. args.beta = (void *)beta;
  317. #endif
  318. transa = -1;
  319. transb = -1;
  320. info = 0;
  321. if (order == CblasColMajor) {
  322. args.m = m;
  323. args.n = n;
  324. args.k = k;
  325. args.a = (void *)a;
  326. args.b = (void *)b;
  327. args.c = (void *)c;
  328. args.lda = lda;
  329. args.ldb = ldb;
  330. args.ldc = ldc;
  331. if (TransA == CblasNoTrans) transa = 0;
  332. if (TransA == CblasTrans) transa = 1;
  333. #ifndef COMPLEX
  334. if (TransA == CblasConjNoTrans) transa = 0;
  335. if (TransA == CblasConjTrans) transa = 1;
  336. #else
  337. if (TransA == CblasConjNoTrans) transa = 2;
  338. if (TransA == CblasConjTrans) transa = 3;
  339. #endif
  340. if (TransB == CblasNoTrans) transb = 0;
  341. if (TransB == CblasTrans) transb = 1;
  342. #ifndef COMPLEX
  343. if (TransB == CblasConjNoTrans) transb = 0;
  344. if (TransB == CblasConjTrans) transb = 1;
  345. #else
  346. if (TransB == CblasConjNoTrans) transb = 2;
  347. if (TransB == CblasConjTrans) transb = 3;
  348. #endif
  349. nrowa = args.m;
  350. if (transa & 1) nrowa = args.k;
  351. nrowb = args.k;
  352. if (transb & 1) nrowb = args.n;
  353. info = -1;
  354. if (args.ldc < args.m) info = 13;
  355. if (args.ldb < nrowb) info = 10;
  356. if (args.lda < nrowa) info = 8;
  357. if (args.k < 0) info = 5;
  358. if (args.n < 0) info = 4;
  359. if (args.m < 0) info = 3;
  360. if (transb < 0) info = 2;
  361. if (transa < 0) info = 1;
  362. }
  363. if (order == CblasRowMajor) {
  364. args.m = n;
  365. args.n = m;
  366. args.k = k;
  367. args.a = (void *)b;
  368. args.b = (void *)a;
  369. args.c = (void *)c;
  370. args.lda = ldb;
  371. args.ldb = lda;
  372. args.ldc = ldc;
  373. if (TransB == CblasNoTrans) transa = 0;
  374. if (TransB == CblasTrans) transa = 1;
  375. #ifndef COMPLEX
  376. if (TransB == CblasConjNoTrans) transa = 0;
  377. if (TransB == CblasConjTrans) transa = 1;
  378. #else
  379. if (TransB == CblasConjNoTrans) transa = 2;
  380. if (TransB == CblasConjTrans) transa = 3;
  381. #endif
  382. if (TransA == CblasNoTrans) transb = 0;
  383. if (TransA == CblasTrans) transb = 1;
  384. #ifndef COMPLEX
  385. if (TransA == CblasConjNoTrans) transb = 0;
  386. if (TransA == CblasConjTrans) transb = 1;
  387. #else
  388. if (TransA == CblasConjNoTrans) transb = 2;
  389. if (TransA == CblasConjTrans) transb = 3;
  390. #endif
  391. nrowa = args.m;
  392. if (transa & 1) nrowa = args.k;
  393. nrowb = args.k;
  394. if (transb & 1) nrowb = args.n;
  395. info = -1;
  396. if (args.ldc < args.m) info = 13;
  397. if (args.ldb < nrowb) info = 10;
  398. if (args.lda < nrowa) info = 8;
  399. if (args.k < 0) info = 5;
  400. if (args.n < 0) info = 4;
  401. if (args.m < 0) info = 3;
  402. if (transb < 0) info = 2;
  403. if (transa < 0) info = 1;
  404. }
  405. if (info >= 0) {
  406. BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
  407. return;
  408. }
  409. #endif
  410. #if defined(__linux__) && defined(__x86_64__) && defined(BFLOAT16)
  411. #if defined(DYNAMIC_ARCH)
  412. if (gotoblas->need_amxtile_permission &&
  413. openblas_amxtile_permission == 0 && init_amxtile_permission() == -1) {
  414. return;
  415. }
  416. #endif
  417. #if !defined(DYNAMIC_ARCH) && defined(SAPPHIRERAPIDS)
  418. if (openblas_amxtile_permission == 0 && init_amxtile_permission() == -1) {
  419. return;
  420. }
  421. #endif
  422. #endif // defined(__linux__) && defined(__x86_64__) && defined(BFLOAT16)
  423. if ((args.m == 0) || (args.n == 0)) return;
  424. #if 0
  425. fprintf(stderr, "m = %4d n = %d k = %d lda = %4d ldb = %4d ldc = %4d\n",
  426. args.m, args.n, args.k, args.lda, args.ldb, args.ldc);
  427. #endif
  428. IDEBUG_START;
  429. FUNCTION_PROFILE_START();
  430. #if USE_SMALL_MATRIX_OPT
  431. #if !defined(COMPLEX)
  432. if(GEMM_SMALL_MATRIX_PERMIT(transa, transb, args.m, args.n, args.k, *(FLOAT *)(args.alpha), *(FLOAT *)(args.beta))){
  433. if(*(FLOAT *)(args.beta) == 0.0){
  434. (GEMM_SMALL_KERNEL_B0((transb << 2) | transa))(args.m, args.n, args.k, args.a, args.lda, *(FLOAT *)(args.alpha), args.b, args.ldb, args.c, args.ldc);
  435. }else{
  436. (GEMM_SMALL_KERNEL((transb << 2) | transa))(args.m, args.n, args.k, args.a, args.lda, *(FLOAT *)(args.alpha), args.b, args.ldb, *(FLOAT *)(args.beta), args.c, args.ldc);
  437. }
  438. return;
  439. }
  440. #else
  441. if(GEMM_SMALL_MATRIX_PERMIT(transa, transb, args.m, args.n, args.k, alpha[0], alpha[1], beta[0], beta[1])){
  442. if(beta[0] == 0.0 && beta[1] == 0.0){
  443. (ZGEMM_SMALL_KERNEL_B0((transb << 2) | transa))(args.m, args.n, args.k, args.a, args.lda, alpha[0], alpha[1], args.b, args.ldb, args.c, args.ldc);
  444. }else{
  445. (ZGEMM_SMALL_KERNEL((transb << 2) | transa))(args.m, args.n, args.k, args.a, args.lda, alpha[0], alpha[1], args.b, args.ldb, beta[0], beta[1], args.c, args.ldc);
  446. }
  447. return;
  448. }
  449. #endif
  450. #endif
  451. buffer = (XFLOAT *)blas_memory_alloc(0);
  452. sa = (XFLOAT *)((BLASLONG)buffer +GEMM_OFFSET_A);
  453. sb = (XFLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
  454. #ifdef SMP
  455. #if defined(USE_SIMPLE_THREADED_LEVEL3) || !defined(NO_AFFINITY)
  456. mode |= (transa << BLAS_TRANSA_SHIFT);
  457. mode |= (transb << BLAS_TRANSB_SHIFT);
  458. #endif
  459. MNK = (double) args.m * (double) args.n * (double) args.k;
  460. if ( MNK <= (SMP_THRESHOLD_MIN * (double) GEMM_MULTITHREAD_THRESHOLD) )
  461. args.nthreads = 1;
  462. else {
  463. args.nthreads = num_cpu_avail(3);
  464. if (MNK/args.nthreads < SMP_THRESHOLD_MIN*(double)GEMM_MULTITHREAD_THRESHOLD)
  465. args.nthreads = MNK/(SMP_THRESHOLD_MIN*(double)GEMM_MULTITHREAD_THRESHOLD);
  466. }
  467. args.common = NULL;
  468. if (args.nthreads == 1) {
  469. #endif
  470. (gemm[(transb << 2) | transa])(&args, NULL, NULL, sa, sb, 0);
  471. #ifdef SMP
  472. } else {
  473. #ifndef USE_SIMPLE_THREADED_LEVEL3
  474. #ifndef NO_AFFINITY
  475. nodes = get_num_nodes();
  476. if ((nodes > 1) && get_node_equal()) {
  477. args.nthreads /= nodes;
  478. gemm_thread_mn(mode, &args, NULL, NULL, gemm[16 | (transb << 2) | transa], sa, sb, nodes);
  479. } else {
  480. #endif
  481. (gemm[16 | (transb << 2) | transa])(&args, NULL, NULL, sa, sb, 0);
  482. #else
  483. GEMM_THREAD(mode, &args, NULL, NULL, gemm[(transb << 2) | transa], sa, sb, args.nthreads);
  484. #endif
  485. #ifndef USE_SIMPLE_THREADED_LEVEL3
  486. #ifndef NO_AFFINITY
  487. }
  488. #endif
  489. #endif
  490. #endif
  491. #ifdef SMP
  492. }
  493. #endif
  494. blas_memory_free(buffer);
  495. FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, args.m * args.k + args.k * args.n + args.m * args.n, 2 * args.m * args.n * args.k);
  496. IDEBUG_END;
  497. return;
  498. }