/*********************************************************************/ /* 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 "common.h" static FLOAT dm1 = -1.; #ifdef CONJ #define GEMM_KERNEL GEMM_KERNEL_L #else #define GEMM_KERNEL GEMM_KERNEL_N #endif #if GEMM_DEFAULT_UNROLL_M == 1 #define GEMM_UNROLL_M_SHIFT 0 #endif #if GEMM_DEFAULT_UNROLL_M == 2 #define GEMM_UNROLL_M_SHIFT 1 #endif #if GEMM_DEFAULT_UNROLL_M == 4 #define GEMM_UNROLL_M_SHIFT 2 #endif #if GEMM_DEFAULT_UNROLL_M == 6 #define GEMM_UNROLL_M_SHIFT 2 #endif #if GEMM_DEFAULT_UNROLL_M == 8 #define GEMM_UNROLL_M_SHIFT 3 #endif #if GEMM_DEFAULT_UNROLL_M == 16 #define GEMM_UNROLL_M_SHIFT 4 #endif #if GEMM_DEFAULT_UNROLL_N == 1 #define GEMM_UNROLL_N_SHIFT 0 #endif #if GEMM_DEFAULT_UNROLL_N == 2 #define GEMM_UNROLL_N_SHIFT 1 #endif #if GEMM_DEFAULT_UNROLL_N == 4 #define GEMM_UNROLL_N_SHIFT 2 #endif #if GEMM_DEFAULT_UNROLL_N == 8 #define GEMM_UNROLL_N_SHIFT 3 #endif #if GEMM_DEFAULT_UNROLL_N == 16 #define GEMM_UNROLL_N_SHIFT 4 #endif #ifndef CONJ static void ztrsm_LT_solve_opt(BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc, FLOAT *as, FLOAT *bs) __attribute__ ((noinline)); static void ztrsm_LT_solve_opt(BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc, FLOAT *as, FLOAT *bs) { FLOAT *c1 = c + ldc*2 ; BLASLONG n1 = n * 4; BLASLONG i=0; __asm__ __volatile__ ( " vzeroupper \n\t" " prefetcht0 (%4) \n\t" " prefetcht0 (%5) \n\t" " vxorpd %%xmm8 , %%xmm8 , %%xmm8 \n\t" " vxorpd %%xmm9 , %%xmm9 , %%xmm9 \n\t" " vxorpd %%xmm10, %%xmm10, %%xmm10 \n\t" " vxorpd %%xmm11, %%xmm11, %%xmm11 \n\t" " vxorpd %%xmm12, %%xmm12, %%xmm12 \n\t" " vxorpd %%xmm13, %%xmm13, %%xmm13 \n\t" " vxorpd %%xmm14, %%xmm14, %%xmm14 \n\t" " vxorpd %%xmm15, %%xmm15, %%xmm15 \n\t" " cmpq $0, %0 \n\t" " je 3f \n\t" " .align 16 \n\t" "1: \n\t" " prefetcht0 256(%3,%1,8) \n\t" " prefetcht0 256(%2,%1,8) \n\t" " vmovddup (%3,%1,8), %%xmm0 \n\t" // b0 real, b0 real " vmovddup 8(%3,%1,8), %%xmm1 \n\t" // b0 imag, b0 imag " vmovups (%2,%1,8), %%xmm4 \n\t" // a0 real , a0 imag " vmovups 16(%2,%1,8), %%xmm5 \n\t" // a1 real , a1 imag " vmovddup 16(%3,%1,8), %%xmm2 \n\t" // b1 real, b1 real " vmovddup 24(%3,%1,8), %%xmm3 \n\t" // b1 imag, b1 imag " vfnmaddpd %%xmm8 , %%xmm0 , %%xmm4 , %%xmm8 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm9 , %%xmm1 , %%xmm4 , %%xmm9 \n\t" // a_real * b_imag , a_imag * b_imag " vfnmaddpd %%xmm10, %%xmm0 , %%xmm5 , %%xmm10 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm11, %%xmm1 , %%xmm5 , %%xmm11 \n\t" // a_real * b_imag , a_imag * b_imag " vfnmaddpd %%xmm12, %%xmm2 , %%xmm4 , %%xmm12 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm13, %%xmm3 , %%xmm4 , %%xmm13 \n\t" // a_real * b_imag , a_imag * b_imag " vfnmaddpd %%xmm14, %%xmm2 , %%xmm5 , %%xmm14 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm15, %%xmm3 , %%xmm5 , %%xmm15 \n\t" // a_real * b_imag , a_imag * b_imag " addq $4, %1 \n\t" " cmpq %1, %0 \n\t" " jz 2f \n\t" " vmovddup (%3,%1,8), %%xmm0 \n\t" // b0 real, b0 real " vmovddup 8(%3,%1,8), %%xmm1 \n\t" // b0 imag, b0 imag " vmovups (%2,%1,8), %%xmm4 \n\t" // a0 real , a0 imag " vmovups 16(%2,%1,8), %%xmm5 \n\t" // a1 real , a1 imag " vmovddup 16(%3,%1,8), %%xmm2 \n\t" // b1 real, b1 real " vmovddup 24(%3,%1,8), %%xmm3 \n\t" // b1 imag, b1 imag " vfnmaddpd %%xmm8 , %%xmm0 , %%xmm4 , %%xmm8 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm9 , %%xmm1 , %%xmm4 , %%xmm9 \n\t" // a_real * b_imag , a_imag * b_imag " vfnmaddpd %%xmm10, %%xmm0 , %%xmm5 , %%xmm10 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm11, %%xmm1 , %%xmm5 , %%xmm11 \n\t" // a_real * b_imag , a_imag * b_imag " vfnmaddpd %%xmm12, %%xmm2 , %%xmm4 , %%xmm12 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm13, %%xmm3 , %%xmm4 , %%xmm13 \n\t" // a_real * b_imag , a_imag * b_imag " vfnmaddpd %%xmm14, %%xmm2 , %%xmm5 , %%xmm14 \n\t" // a_real * b_real , a_imag * b_real " vfnmaddpd %%xmm15, %%xmm3 , %%xmm5 , %%xmm15 \n\t" // a_real * b_imag , a_imag * b_imag " addq $4, %1 \n\t" " cmpq %1, %0 \n\t" " jnz 1b \n\t" "2: \n\t" " vshufpd $0x01 , %%xmm9 , %%xmm9, %%xmm9 \n\t" " vshufpd $0x01 , %%xmm11 , %%xmm11 , %%xmm11 \n\t" " vshufpd $0x01 , %%xmm13 , %%xmm13 , %%xmm13 \n\t" " vshufpd $0x01 , %%xmm15 , %%xmm15 , %%xmm15 \n\t" " vaddsubpd %%xmm8 , %%xmm9 , %%xmm8 \n\t" " vaddsubpd %%xmm10, %%xmm11, %%xmm10 \n\t" " vaddsubpd %%xmm12, %%xmm13, %%xmm12 \n\t" " vaddsubpd %%xmm14, %%xmm15, %%xmm14 \n\t" " vxorpd %%xmm7 , %%xmm7 , %%xmm7 \n\t" " vaddsubpd %%xmm8 , %%xmm7 , %%xmm8 \n\t" " vaddsubpd %%xmm10, %%xmm7 , %%xmm10 \n\t" " vaddsubpd %%xmm12, %%xmm7 , %%xmm12 \n\t" " vaddsubpd %%xmm14, %%xmm7 , %%xmm14 \n\t" " vmovups (%4) , %%xmm0 \n\t" " vmovups 16(%4) , %%xmm1 \n\t" " vmovups (%5) , %%xmm4 \n\t" " vmovups 16(%5) , %%xmm5 \n\t" " vaddpd %%xmm0 , %%xmm8 , %%xmm8 \n\t" " vaddpd %%xmm1 , %%xmm10, %%xmm10 \n\t" " vaddpd %%xmm4 , %%xmm12, %%xmm12 \n\t" " vaddpd %%xmm5 , %%xmm14, %%xmm14 \n\t" " vmovups %%xmm8 , (%4) \n\t" " vmovups %%xmm10 ,16(%4) \n\t" " vmovups %%xmm12 , (%5) \n\t" " vmovups %%xmm14 ,16(%5) \n\t" "3: \n\t" " vzeroupper \n\t" : : "r" (n1), // 0 "a" (i), // 1 "r" (a), // 2 "r" (b), // 3 "r" (c), // 4 "r" (c1), // 5 "r" (as), // 6 "r" (bs) // 7 : "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15", "memory" ); } #endif #ifndef COMPLEX static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) { FLOAT aa, bb; int i, j, k; for (i = 0; i < m; i++) { aa = *(a + i); for (j = 0; j < n; j ++) { bb = *(c + i + j * ldc); bb *= aa; *b = bb; *(c + i + j * ldc) = bb; b ++; for (k = i + 1; k < m; k ++){ *(c + k + j * ldc) -= bb * *(a + k); } } a += m; } } #else static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) { FLOAT aa1, aa2; FLOAT bb1, bb2; FLOAT cc1, cc2; int i, j, k; ldc *= 2; for (i = 0; i < m; i++) { aa1 = *(a + i * 2 + 0); aa2 = *(a + i * 2 + 1); for (j = 0; j < n; j ++) { bb1 = *(c + i * 2 + 0 + j * ldc); bb2 = *(c + i * 2 + 1 + j * ldc); #ifndef CONJ cc1 = aa1 * bb1 - aa2 * bb2; cc2 = aa1 * bb2 + aa2 * bb1; #else cc1 = aa1 * bb1 + aa2 * bb2; cc2 = aa1 * bb2 - aa2 * bb1; #endif *(b + 0) = cc1; *(b + 1) = cc2; *(c + i * 2 + 0 + j * ldc) = cc1; *(c + i * 2 + 1 + j * ldc) = cc2; b += 2; for (k = i + 1; k < m; k ++){ #ifndef CONJ *(c + k * 2 + 0 + j * ldc) -= cc1 * *(a + k * 2 + 0) - cc2 * *(a + k * 2 + 1); *(c + k * 2 + 1 + j * ldc) -= cc1 * *(a + k * 2 + 1) + cc2 * *(a + k * 2 + 0); #else *(c + k * 2 + 0 + j * ldc) -= cc1 * *(a + k * 2 + 0) + cc2 * *(a + k * 2 + 1); *(c + k * 2 + 1 + j * ldc) -= -cc1 * *(a + k * 2 + 1) + cc2 * *(a + k * 2 + 0); #endif } } a += m * 2; } } #endif int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT dummy1, #ifdef COMPLEX FLOAT dummy2, #endif FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc, BLASLONG offset){ FLOAT *aa, *cc; BLASLONG kk; BLASLONG i, j, jj; #if 0 fprintf(stderr, "TRSM KERNEL LT : m = %3ld n = %3ld k = %3ld offset = %3ld\n", m, n, k, offset); #endif jj = 0; j = (n >> GEMM_UNROLL_N_SHIFT); while (j > 0) { kk = offset; aa = a; cc = c; i = (m >> GEMM_UNROLL_M_SHIFT); while (i > 0) { #ifdef CONJ if (kk > 0) { GEMM_KERNEL(GEMM_UNROLL_M, GEMM_UNROLL_N, kk, dm1, #ifdef COMPLEX ZERO, #endif aa, b, cc, ldc); } solve(GEMM_UNROLL_M, GEMM_UNROLL_N, aa + kk * GEMM_UNROLL_M * COMPSIZE, b + kk * GEMM_UNROLL_N * COMPSIZE, cc, ldc); #else ztrsm_LT_solve_opt(kk, aa, b, cc, ldc, aa + kk * GEMM_UNROLL_M * COMPSIZE, b + kk * GEMM_UNROLL_N * COMPSIZE); solve(GEMM_UNROLL_M, GEMM_UNROLL_N, aa + kk * GEMM_UNROLL_M * COMPSIZE, b + kk * GEMM_UNROLL_N * COMPSIZE, cc, ldc); #endif aa += GEMM_UNROLL_M * k * COMPSIZE; cc += GEMM_UNROLL_M * COMPSIZE; kk += GEMM_UNROLL_M; i --; } if (m & (GEMM_UNROLL_M - 1)) { i = (GEMM_UNROLL_M >> 1); while (i > 0) { if (m & i) { if (kk > 0) { GEMM_KERNEL(i, GEMM_UNROLL_N, kk, dm1, #ifdef COMPLEX ZERO, #endif aa, b, cc, ldc); } solve(i, GEMM_UNROLL_N, aa + kk * i * COMPSIZE, b + kk * GEMM_UNROLL_N * COMPSIZE, cc, ldc); aa += i * k * COMPSIZE; cc += i * COMPSIZE; kk += i; } i >>= 1; } } b += GEMM_UNROLL_N * k * COMPSIZE; c += GEMM_UNROLL_N * ldc * COMPSIZE; j --; jj += GEMM_UNROLL_M; } if (n & (GEMM_UNROLL_N - 1)) { j = (GEMM_UNROLL_N >> 1); while (j > 0) { if (n & j) { kk = offset; aa = a; cc = c; i = (m >> GEMM_UNROLL_M_SHIFT); while (i > 0) { if (kk > 0) { GEMM_KERNEL(GEMM_UNROLL_M, j, kk, dm1, #ifdef COMPLEX ZERO, #endif aa, b, cc, ldc); } solve(GEMM_UNROLL_M, j, aa + kk * GEMM_UNROLL_M * COMPSIZE, b + kk * j * COMPSIZE, cc, ldc); aa += GEMM_UNROLL_M * k * COMPSIZE; cc += GEMM_UNROLL_M * COMPSIZE; kk += GEMM_UNROLL_M; i --; } if (m & (GEMM_UNROLL_M - 1)) { i = (GEMM_UNROLL_M >> 1); while (i > 0) { if (m & i) { if (kk > 0) { GEMM_KERNEL(i, j, kk, dm1, #ifdef COMPLEX ZERO, #endif aa, b, cc, ldc); } solve(i, j, aa + kk * i * COMPSIZE, b + kk * j * COMPSIZE, cc, ldc); aa += i * k * COMPSIZE; cc += i * COMPSIZE; kk += i; } i >>= 1; } } b += j * k * COMPSIZE; c += j * ldc * COMPSIZE; } j >>= 1; } } return 0; }