/*********************************************************************/ /* Copyright 2009, 2010 The University of Texas at Austin. */ /* All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or */ /* without modification, are permitted provided that the following */ /* conditions are met: */ /* */ /* 1. Redistributions of source code must retain the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer. */ /* */ /* 2. Redistributions in binary form must reproduce the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer in the documentation and/or other materials */ /* provided with the distribution. */ /* */ /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */ /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */ /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */ /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */ /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */ /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */ /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ /* POSSIBILITY OF SUCH DAMAGE. */ /* */ /* The views and conclusions contained in the software and */ /* documentation are those of the authors and should not be */ /* interpreted as representing official policies, either expressed */ /* or implied, of The University of Texas at Austin. */ /*********************************************************************/ #include #include #include "common.h" #ifdef FUNCTION_PROFILE #include "functable.h" #endif #ifdef XDOUBLE #define ERROR_NAME "XTRMV " #elif defined(DOUBLE) #define ERROR_NAME "ZTRMV " #else #define ERROR_NAME "CTRMV " #endif static int (*trmv[])(BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = { #ifdef XDOUBLE xtrmv_NUU, xtrmv_NUN, xtrmv_NLU, xtrmv_NLN, xtrmv_TUU, xtrmv_TUN, xtrmv_TLU, xtrmv_TLN, xtrmv_RUU, xtrmv_RUN, xtrmv_RLU, xtrmv_RLN, xtrmv_CUU, xtrmv_CUN, xtrmv_CLU, xtrmv_CLN, #elif defined(DOUBLE) ztrmv_NUU, ztrmv_NUN, ztrmv_NLU, ztrmv_NLN, ztrmv_TUU, ztrmv_TUN, ztrmv_TLU, ztrmv_TLN, ztrmv_RUU, ztrmv_RUN, ztrmv_RLU, ztrmv_RLN, ztrmv_CUU, ztrmv_CUN, ztrmv_CLU, ztrmv_CLN, #else ctrmv_NUU, ctrmv_NUN, ctrmv_NLU, ctrmv_NLN, ctrmv_TUU, ctrmv_TUN, ctrmv_TLU, ctrmv_TLN, ctrmv_RUU, ctrmv_RUN, ctrmv_RLU, ctrmv_RLN, ctrmv_CUU, ctrmv_CUN, ctrmv_CLU, ctrmv_CLN, #endif }; #ifdef SMP static int (*trmv_thread[])(BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = { #ifdef XDOUBLE xtrmv_thread_NUU, xtrmv_thread_NUN, xtrmv_thread_NLU, xtrmv_thread_NLN, xtrmv_thread_TUU, xtrmv_thread_TUN, xtrmv_thread_TLU, xtrmv_thread_TLN, xtrmv_thread_RUU, xtrmv_thread_RUN, xtrmv_thread_RLU, xtrmv_thread_RLN, xtrmv_thread_CUU, xtrmv_thread_CUN, xtrmv_thread_CLU, xtrmv_thread_CLN, #elif defined(DOUBLE) ztrmv_thread_NUU, ztrmv_thread_NUN, ztrmv_thread_NLU, ztrmv_thread_NLN, ztrmv_thread_TUU, ztrmv_thread_TUN, ztrmv_thread_TLU, ztrmv_thread_TLN, ztrmv_thread_RUU, ztrmv_thread_RUN, ztrmv_thread_RLU, ztrmv_thread_RLN, ztrmv_thread_CUU, ztrmv_thread_CUN, ztrmv_thread_CLU, ztrmv_thread_CLN, #else ctrmv_thread_NUU, ctrmv_thread_NUN, ctrmv_thread_NLU, ctrmv_thread_NLN, ctrmv_thread_TUU, ctrmv_thread_TUN, ctrmv_thread_TLU, ctrmv_thread_TLN, ctrmv_thread_RUU, ctrmv_thread_RUN, ctrmv_thread_RLU, ctrmv_thread_RLN, ctrmv_thread_CUU, ctrmv_thread_CUN, ctrmv_thread_CLU, ctrmv_thread_CLN, #endif }; #endif #ifndef CBLAS void NAME(char *UPLO, char *TRANS, char *DIAG, blasint *N, FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){ char uplo_arg = *UPLO; char trans_arg = *TRANS; char diag_arg = *DIAG; blasint n = *N; blasint lda = *LDA; blasint incx = *INCX; blasint info; int uplo; int unit; int trans, buffer_size; FLOAT *buffer; #ifdef SMP int nthreads; #endif PRINT_DEBUG_NAME; TOUPPER(uplo_arg); TOUPPER(trans_arg); TOUPPER(diag_arg); trans = -1; unit = -1; uplo = -1; if (trans_arg == 'N') trans = 0; if (trans_arg == 'T') trans = 1; if (trans_arg == 'R') trans = 2; if (trans_arg == 'C') trans = 3; if (diag_arg == 'U') unit = 0; if (diag_arg == 'N') unit = 1; if (uplo_arg == 'U') uplo = 0; if (uplo_arg == 'L') uplo = 1; info = 0; if (incx == 0) info = 8; if (lda < MAX(1, n)) info = 6; if (n < 0) info = 4; if (unit < 0) info = 3; if (trans < 0) info = 2; if (uplo < 0) info = 1; if (info != 0) { BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME)); return; } #else void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag, blasint n, FLOAT *a, blasint lda, FLOAT *x, blasint incx) { int trans, uplo, unit, buffer_size; blasint info; FLOAT *buffer; #ifdef SMP int nthreads; #endif PRINT_DEBUG_CNAME; unit = -1; uplo = -1; trans = -1; info = 0; if (order == CblasColMajor) { if (Uplo == CblasUpper) uplo = 0; if (Uplo == CblasLower) uplo = 1; if (TransA == CblasNoTrans) trans = 0; if (TransA == CblasTrans) trans = 1; if (TransA == CblasConjNoTrans) trans = 2; if (TransA == CblasConjTrans) trans = 3; if (Diag == CblasUnit) unit = 0; if (Diag == CblasNonUnit) unit = 1; info = -1; if (incx == 0) info = 8; if (lda < MAX(1, n)) info = 6; if (n < 0) info = 4; if (unit < 0) info = 3; if (trans < 0) info = 2; if (uplo < 0) info = 1; } if (order == CblasRowMajor) { if (Uplo == CblasUpper) uplo = 1; if (Uplo == CblasLower) uplo = 0; if (TransA == CblasNoTrans) trans = 1; if (TransA == CblasTrans) trans = 0; if (TransA == CblasConjNoTrans) trans = 3; if (TransA == CblasConjTrans) trans = 2; if (Diag == CblasUnit) unit = 0; if (Diag == CblasNonUnit) unit = 1; info = -1; if (incx == 0) info = 8; if (lda < MAX(1, n)) info = 6; if (n < 0) info = 4; if (unit < 0) info = 3; if (trans < 0) info = 2; if (uplo < 0) info = 1; } if (info >= 0) { BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME)); return; } #endif if (n == 0) return; IDEBUG_START; FUNCTION_PROFILE_START(); if (incx < 0 ) x -= (n - 1) * incx * 2; #ifdef SMP // Calibrated on a Xeon E5-2630 if(1L * n * n > 36L * sizeof(FLOAT) * sizeof(FLOAT) * GEMM_MULTITHREAD_THRESHOLD) { nthreads = num_cpu_avail(2); if(nthreads > 2 && 1L * n * n < 64L * sizeof(FLOAT) * sizeof(FLOAT) * GEMM_MULTITHREAD_THRESHOLD) nthreads = 2; } else nthreads = 1; if(nthreads > 1) { buffer_size = n > 16 ? 0 : n * 4 + 40; } else #endif { buffer_size = ((n - 1) / DTB_ENTRIES) * 2 * DTB_ENTRIES + 32 / sizeof(FLOAT); // It seems to be required for some K8 or Barcelona CPU buffer_size += 8; if(incx != 1) buffer_size += n * 2; } STACK_ALLOC(buffer_size, FLOAT, buffer); #ifdef SMP if (nthreads == 1) { #endif (trmv[(trans<<2) | (uplo<<1) | unit])(n, a, lda, x, incx, buffer); #ifdef SMP } else { (trmv_thread[(trans<<2) | (uplo<<1) | unit])(n, a, lda, x, incx, buffer, nthreads); } #endif STACK_FREE(buffer); FUNCTION_PROFILE_END(4, n * n / 2 + n, n * n); IDEBUG_END; return; }