GEMM Micro Kernel from BLIS
Content |
The micro kernel below was taken (and slightly modified) from BLIS. It requires the parameters \(M_r = 8\) and \(N_r = 4\).
Exercise
Modify our code in ulmblas.c such that you can use it for benchmarks.
Source Code
// Copyright (C) 2014, The University of Texas at Austin // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // - Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // - 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. // - Neither the name of The University of Texas at Austin nor the names // of its contributors may be used to endorse or promote products // derived from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "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 COPYRIGHT // HOLDER 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. // #include <stddef.h> #include <stdint.h> void dgemm_micro_avx_8x4(size_t kc, double alpha, const double *A, const double *B, double beta, double *C, ptrdiff_t incRowC, ptrdiff_t incColC ) { const double *a_next = 0; const double *b_next = 0; int64_t rs_c = incRowC; int64_t cs_c = incColC; double *pAlpha = α double *pBeta = β int64_t k_iter = kc / 4; int64_t k_left = kc % 4; __asm__ volatile ( " \n\t" " \n\t" "movq %2, %%rax \n\t" // load address of a. "movq %3, %%rbx \n\t" // load address of b. "movq %9, %%r15 \n\t" // load address of b_next. "addq $-4 * 64, %%r15 \n\t" " \n\t" "vmovapd 0 * 32(%%rax), %%ymm0 \n\t" // initialize loop by // pre-loading "vmovapd 0 * 32(%%rbx), %%ymm2 \n\t" // elements of a and b. "vpermilpd $0x5, %%ymm2, %%ymm3 \n\t" " \n\t" "movq %6, %%rcx \n\t" // load address of c "movq %8, %%rdi \n\t" // load cs_c "leaq (,%%rdi,8), %%rdi \n\t" // cs_c *= sizeof(double) "leaq (%%rcx,%%rdi,2), %%r10 \n\t" // load address of c + 2*cs_c; " \n\t" "prefetcht0 3 * 8(%%rcx) \n\t" // prefetch c + 0*cs_c "prefetcht0 3 * 8(%%rcx,%%rdi) \n\t" // prefetch c + 1*cs_c "prefetcht0 3 * 8(%%r10) \n\t" // prefetch c + 2*cs_c "prefetcht0 3 * 8(%%r10,%%rdi) \n\t" // prefetch c + 3*cs_c " \n\t" "vxorpd %%ymm8, %%ymm8, %%ymm8 \n\t" "vxorpd %%ymm9, %%ymm9, %%ymm9 \n\t" "vxorpd %%ymm10, %%ymm10, %%ymm10 \n\t" "vxorpd %%ymm11, %%ymm11, %%ymm11 \n\t" "vxorpd %%ymm12, %%ymm12, %%ymm12 \n\t" "vxorpd %%ymm13, %%ymm13, %%ymm13 \n\t" "vxorpd %%ymm14, %%ymm14, %%ymm14 \n\t" "vxorpd %%ymm15, %%ymm15, %%ymm15 \n\t" " \n\t" " \n\t" " \n\t" "movq %0, %%rsi \n\t" // i = k_iter; "testq %%rsi, %%rsi \n\t" // check i via logical AND. "je .DCONSIDKLEFT%= \n\t" // if i == 0, jump to code that " \n\t" // contains the k_left loop. " \n\t" " \n\t" ".DLOOPKITER%=: \n\t" // MAIN LOOP " \n\t" "addq $4 * 4 * 8, %%r15 \n\t" // b_next += 4*4 (unroll x nr) " \n\t" " \n\t" // iteration 0 "vmovapd 1 * 32(%%rax), %%ymm1 \n\t" "vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t" "vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t" "vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t" "vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t" "vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t" "vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t" " \n\t" // "prefetcht0 16 * 32(%%rax) \n\t" "vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t" "vmovapd 1 * 32(%%rbx), %%ymm2 \n\t" "vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t" "vpermilpd $0x5, %%ymm2, %%ymm3 \n\t" "vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t" "vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t" " \n\t" "vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t" "vmovapd 2 * 32(%%rax), %%ymm0 \n\t" "vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t" "vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t" // "prefetcht0 0 * 32(%%r15) \n\t" // prefetch b_next[0*4] " \n\t" "vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t" "vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t" "vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t" " \n\t" " \n\t" " \n\t" // iteration 1 "vmovapd 3 * 32(%%rax), %%ymm1 \n\t" "vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t" "vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t" "vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t" "vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t" "vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t" "vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t" " \n\t" // "prefetcht0 18 * 32(%%rax) \n\t" "vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t" "vmovapd 2 * 32(%%rbx), %%ymm2 \n\t" "vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t" "vpermilpd $0x5, %%ymm2, %%ymm3 \n\t" "vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t" "vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t" " \n\t" "vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t" "vmovapd 4 * 32(%%rax), %%ymm0 \n\t" "vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t" "vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t" " \n\t" "vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t" "vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t" "vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t" " \n\t" " \n\t" " \n\t" // iteration 2 "vmovapd 5 * 32(%%rax), %%ymm1 \n\t" "vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t" "vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t" "vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t" "vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t" "vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t" "vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t" " \n\t" // "prefetcht0 20 * 32(%%rax) \n\t" "vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t" "vmovapd 3 * 32(%%rbx), %%ymm2 \n\t" "addq $4 * 4 * 8, %%rbx \n\t" // b += 4*4 (unroll x nr) "vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t" "vpermilpd $0x5, %%ymm2, %%ymm3 \n\t" "vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t" "vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t" " \n\t" "vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t" "vmovapd 6 * 32(%%rax), %%ymm0 \n\t" "vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t" "vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t" // "prefetcht0 2 * 32(%%r15) \n\t" // prefetch b_next[2*4] " \n\t" "vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t" "vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t" "vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t" " \n\t" " \n\t" " \n\t" // iteration 3 "vmovapd 7 * 32(%%rax), %%ymm1 \n\t" "addq $4 * 8 * 8, %%rax \n\t" // a += 4*8 (unroll x mr) "vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t" "vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t" "vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t" "vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t" "vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t" "vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t" " \n\t" //"prefetcht0 22 * 32(%%rax) \n\t" // "prefetcht0 14 * 32(%%rax) \n\t" "vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t" "vmovapd 0 * 32(%%rbx), %%ymm2 \n\t" "vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t" "vpermilpd $0x5, %%ymm2, %%ymm3 \n\t" "vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t" "vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t" " \n\t" "vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t" "vmovapd 0 * 32(%%rax), %%ymm0 \n\t" "vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t" "vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t" " \n\t" "vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t" "vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t" "vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t" " \n\t" " \n\t" " \n\t" //"addq $4 * 8 * 8, %%rax \n\t" // a += 4*8 (unroll x mr) //"addq $4 * 4 * 8, %%rbx \n\t" // b += 4*4 (unroll x nr) " \n\t" "decq %%rsi \n\t" // i -= 1; "jne .DLOOPKITER%= \n\t" // iterate again if i != 0. " \n\t" " \n\t" " \n\t" " \n\t" " \n\t" " \n\t" ".DCONSIDKLEFT%=: \n\t" " \n\t" "movq %1, %%rsi \n\t" // i = k_left; "testq %%rsi, %%rsi \n\t" // check i via logical AND. "je .DPOSTACCUM%= \n\t" // if i == 0, we're done; jump to end. " \n\t" // else, we prepare to enter k_left loop. " \n\t" " \n\t" ".DLOOPKLEFT%=: \n\t" // EDGE LOOP " \n\t" "vmovapd 1 * 32(%%rax), %%ymm1 \n\t" "addq $8 * 1 * 8, %%rax \n\t" // a += 8 (1 x mr) "vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t" "vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t" "vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t" "vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t" "vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t" "vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t" " \n\t" // "prefetcht0 14 * 32(%%rax) \n\t" "vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t" "vmovapd 1 * 32(%%rbx), %%ymm2 \n\t" "addq $4 * 1 * 8, %%rbx \n\t" // b += 4 (1 x nr) "vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t" "vpermilpd $0x5, %%ymm2, %%ymm3 \n\t" "vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t" "vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t" " \n\t" "vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t" "vmovapd 0 * 32(%%rax), %%ymm0 \n\t" "vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t" "vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t" " \n\t" "vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t" "vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t" "vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t" "vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t" " \n\t" " \n\t" "decq %%rsi \n\t" // i -= 1; "jne .DLOOPKLEFT%= \n\t" // iterate again if i != 0. " \n\t" " \n\t" " \n\t" ".DPOSTACCUM%=: \n\t" " \n\t" " \n\t" " \n\t" // ymm15: ymm13: ymm11: ymm9: " \n\t" // ( ab00 ( ab01 ( ab02 ( ab03 " \n\t" // ab11 ab10 ab13 ab12 " \n\t" // ab22 ab23 ab20 ab21 " \n\t" // ab33 ) ab32 ) ab31 ) ab30 ) " \n\t" " \n\t" // ymm14: ymm12: ymm10: ymm8: " \n\t" // ( ab40 ( ab41 ( ab42 ( ab43 " \n\t" // ab51 ab50 ab53 ab52 " \n\t" // ab62 ab63 ab60 ab61 " \n\t" // ab73 ) ab72 ) ab71 ) ab70 ) " \n\t" "vmovapd %%ymm15, %%ymm7 \n\t" "vshufpd $0xa, %%ymm15, %%ymm13, %%ymm15 \n\t" "vshufpd $0xa, %%ymm13, %%ymm7, %%ymm13 \n\t" " \n\t" "vmovapd %%ymm11, %%ymm7 \n\t" "vshufpd $0xa, %%ymm11, %%ymm9, %%ymm11 \n\t" "vshufpd $0xa, %%ymm9, %%ymm7, %%ymm9 \n\t" " \n\t" "vmovapd %%ymm14, %%ymm7 \n\t" "vshufpd $0xa, %%ymm14, %%ymm12, %%ymm14 \n\t" "vshufpd $0xa, %%ymm12, %%ymm7, %%ymm12 \n\t" " \n\t" "vmovapd %%ymm10, %%ymm7 \n\t" "vshufpd $0xa, %%ymm10, %%ymm8, %%ymm10 \n\t" "vshufpd $0xa, %%ymm8, %%ymm7, %%ymm8 \n\t" " \n\t" " \n\t" // ymm15: ymm13: ymm11: ymm9: " \n\t" // ( ab01 ( ab00 ( ab03 ( ab02 " \n\t" // ab11 ab10 ab13 ab12 " \n\t" // ab23 ab22 ab21 ab20 " \n\t" // ab33 ) ab32 ) ab31 ) ab30 ) " \n\t" " \n\t" // ymm14: ymm12: ymm10: ymm8: " \n\t" // ( ab41 ( ab40 ( ab43 ( ab42 " \n\t" // ab51 ab50 ab53 ab52 " \n\t" // ab63 ab62 ab61 ab60 " \n\t" // ab73 ) ab72 ) ab71 ) ab70 ) " \n\t" "vmovapd %%ymm15, %%ymm7 \n\t" "vperm2f128 $0x30, %%ymm15, %%ymm11, %%ymm15 \n\t" "vperm2f128 $0x12, %%ymm7, %%ymm11, %%ymm11 \n\t" " \n\t" "vmovapd %%ymm13, %%ymm7 \n\t" "vperm2f128 $0x30, %%ymm13, %%ymm9, %%ymm13 \n\t" "vperm2f128 $0x12, %%ymm7, %%ymm9, %%ymm9 \n\t" " \n\t" "vmovapd %%ymm14, %%ymm7 \n\t" "vperm2f128 $0x30, %%ymm14, %%ymm10, %%ymm14 \n\t" "vperm2f128 $0x12, %%ymm7, %%ymm10, %%ymm10 \n\t" " \n\t" "vmovapd %%ymm12, %%ymm7 \n\t" "vperm2f128 $0x30, %%ymm12, %%ymm8, %%ymm12 \n\t" "vperm2f128 $0x12, %%ymm7, %%ymm8, %%ymm8 \n\t" " \n\t" " \n\t" // ymm9: ymm11: ymm13: ymm15: " \n\t" // ( ab00 ( ab01 ( ab02 ( ab03 " \n\t" // ab10 ab11 ab12 ab13 " \n\t" // ab20 ab21 ab22 ab23 " \n\t" // ab30 ) ab31 ) ab32 ) ab33 ) " \n\t" " \n\t" // ymm8: ymm10: ymm12: ymm14: " \n\t" // ( ab40 ( ab41 ( ab42 ( ab43 " \n\t" // ab50 ab51 ab52 ab53 " \n\t" // ab60 ab61 ab62 ab63 " \n\t" // ab70 ) ab71 ) ab72 ) ab73 ) " \n\t" " \n\t" "movq %4, %%rax \n\t" // load address of alpha "movq %5, %%rbx \n\t" // load address of beta "vbroadcastsd (%%rax), %%ymm0 \n\t" // load alpha and duplicate "vbroadcastsd (%%rbx), %%ymm2 \n\t" // load beta and duplicate " \n\t" "vmulpd %%ymm0, %%ymm8, %%ymm8 \n\t" // scale by alpha "vmulpd %%ymm0, %%ymm9, %%ymm9 \n\t" "vmulpd %%ymm0, %%ymm10, %%ymm10 \n\t" "vmulpd %%ymm0, %%ymm11, %%ymm11 \n\t" "vmulpd %%ymm0, %%ymm12, %%ymm12 \n\t" "vmulpd %%ymm0, %%ymm13, %%ymm13 \n\t" "vmulpd %%ymm0, %%ymm14, %%ymm14 \n\t" "vmulpd %%ymm0, %%ymm15, %%ymm15 \n\t" " \n\t" " \n\t" " \n\t" " \n\t" " \n\t" " \n\t" "movq %7, %%rsi \n\t" // load rs_c "leaq (,%%rsi,8), %%rsi \n\t" // rsi = rs_c * sizeof(double) " \n\t" "leaq (%%rcx,%%rsi,4), %%rdx \n\t" // load address of c + 4*rs_c; " \n\t" "leaq (,%%rsi,2), %%r12 \n\t" // r12 = 2*rs_c; "leaq (%%r12,%%rsi,1), %%r13 \n\t" // r13 = 3*rs_c; " \n\t" " \n\t" " \n\t" " \n\t" // determine if " \n\t" // c % 32 == 0, AND " \n\t" // 8*cs_c % 32 == 0, AND " \n\t" // rs_c == 1 " \n\t" // ie: aligned, ldim aligned, and " \n\t" // column-stored " \n\t" "cmpq $8, %%rsi \n\t" // set ZF if (8*rs_c) == 8. "sete %%bl \n\t" // bl = ( ZF == 1 ? 1 : 0 ); "testq $31, %%rcx \n\t" // set ZF if c & 32 is zero. "setz %%bh \n\t" // bh = ( ZF == 0 ? 1 : 0 ); "testq $31, %%rdi \n\t" // set ZF if (8*cs_c) & 32 is zero. "setz %%al \n\t" // al = ( ZF == 0 ? 1 : 0 ); " \n\t" // and(bl,bh) followed by " \n\t" // and(bh,al) will reveal result " \n\t" " \n\t" // now avoid loading C if beta == 0 " \n\t" "vxorpd %%ymm0, %%ymm0, %%ymm0 \n\t" // set ymm0 to zero. "vucomisd %%xmm0, %%xmm2 \n\t" // set ZF if beta == 0. "je .DBETAZERO%= \n\t" // if ZF = 1, jump to beta == 0 case " \n\t" " \n\t" " \n\t" // check if aligned/column-stored "andb %%bl, %%bh \n\t" // set ZF if bl & bh == 1. "andb %%bh, %%al \n\t" // set ZF if bh & al == 1. "jne .DCOLSTORED%= \n\t" // jump to column storage case " \n\t" " \n\t" " \n\t" ".DGENSTORED%=: \n\t" " \n\t" // update c00:c33 " \n\t" "vextractf128 $1, %%ymm9, %%xmm1 \n\t" "vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c00 and c10, "vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm9, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t" "vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c20 and c30, "vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%r13) \n\t" "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm11, %%xmm1 \n\t" "vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c01 and c11, "vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm11, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t" "vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c21 and c31, "vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%r13) \n\t" "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm13, %%xmm1 \n\t" "vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c02 and c12, "vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm13, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t" "vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c22 and c32, "vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%r13) \n\t" "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm15, %%xmm1 \n\t" "vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c03 and c13, "vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm15, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t" "vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c23 and c33, "vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rcx,%%r13) \n\t" " \n\t" " \n\t" // update c40:c73 " \n\t" "vextractf128 $1, %%ymm8, %%xmm1 \n\t" "vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c40 and c50, "vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm8, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t" "vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c60 and c70, "vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%r13) \n\t" "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm10, %%xmm1 \n\t" "vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c41 and c51, "vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm10, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t" "vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c61 and c71, "vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%r13) \n\t" "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm12, %%xmm1 \n\t" "vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c42 and c52, "vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm12, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t" "vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c62 and c72, "vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%r13) \n\t" "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm14, %%xmm1 \n\t" "vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c43 and c53, "vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm14, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t" "vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c63 and c73, "vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t" "vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta, "vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result, "vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory. "vmovhpd %%xmm0, (%%rdx,%%r13) \n\t" " \n\t" " \n\t" "jmp .DDONE%= \n\t" // jump to end. " \n\t" " \n\t" " \n\t" ".DCOLSTORED%=: \n\t" " \n\t" // update c00:c33 " \n\t" "vmovapd (%%rcx), %%ymm0 \n\t" // load c00:c30, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm9, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory. "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vmovapd (%%rcx), %%ymm0 \n\t" // load c01:c31, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm11, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory. "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vmovapd (%%rcx), %%ymm0 \n\t" // load c02:c32, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm13, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory. "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vmovapd (%%rcx), %%ymm0 \n\t" // load c03:c33, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm15, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory. " \n\t" " \n\t" // update c40:c73 " \n\t" "vmovapd (%%rdx), %%ymm0 \n\t" // load c40:c70, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm8, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory. "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vmovapd (%%rdx), %%ymm0 \n\t" // load c41:c71, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm10, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory. "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vmovapd (%%rdx), %%ymm0 \n\t" // load c42:c72, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm12, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory. "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vmovapd (%%rdx), %%ymm0 \n\t" // load c43:c73, "vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta, "vaddpd %%ymm14, %%ymm0, %%ymm0 \n\t" // add the gemm result, "vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory. " \n\t" " \n\t" "jmp .DDONE%= \n\t" // jump to end. " \n\t" " \n\t" " \n\t" " \n\t" ".DBETAZERO%=: \n\t" " \n\t" // check if aligned/column-stored "andb %%bl, %%bh \n\t" // set ZF if bl & bh == 1. "andb %%bh, %%al \n\t" // set ZF if bh & al == 1. "jne .DCOLSTORBZ%= \n\t" // jump to column storage case " \n\t" " \n\t" " \n\t" ".DGENSTORBZ%=: \n\t" " \n\t" // update c00:c33 " \n\t" "vextractf128 $1, %%ymm9, %%xmm1 \n\t" "vmovlpd %%xmm9, (%%rcx) \n\t" // store to c00:c30 "vmovhpd %%xmm9, (%%rcx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rcx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rcx,%%r13) \n\t" "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm11, %%xmm1 \n\t" "vmovlpd %%xmm11, (%%rcx) \n\t" // store to c01:c31 "vmovhpd %%xmm11, (%%rcx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rcx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rcx,%%r13) \n\t" "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm13, %%xmm1 \n\t" "vmovlpd %%xmm13, (%%rcx) \n\t" // store to c02:c32 "vmovhpd %%xmm13, (%%rcx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rcx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rcx,%%r13) \n\t" "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm15, %%xmm1 \n\t" "vmovlpd %%xmm15, (%%rcx) \n\t" // store to c03:c33 "vmovhpd %%xmm15, (%%rcx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rcx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rcx,%%r13) \n\t" " \n\t" " \n\t" // update c40:c73 " \n\t" "vextractf128 $1, %%ymm8, %%xmm1 \n\t" "vmovlpd %%xmm8, (%%rdx) \n\t" // store to c40:c70 "vmovhpd %%xmm8, (%%rdx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rdx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rdx,%%r13) \n\t" "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm10, %%xmm1 \n\t" "vmovlpd %%xmm10, (%%rdx) \n\t" // store to c41:c71 "vmovhpd %%xmm10, (%%rdx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rdx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rdx,%%r13) \n\t" "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm12, %%xmm1 \n\t" "vmovlpd %%xmm12, (%%rdx) \n\t" // store to c42:c72 "vmovhpd %%xmm12, (%%rdx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rdx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rdx,%%r13) \n\t" "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vextractf128 $1, %%ymm14, %%xmm1 \n\t" "vmovlpd %%xmm14, (%%rdx) \n\t" // store to c43:c73 "vmovhpd %%xmm14, (%%rdx,%%rsi) \n\t" "vmovlpd %%xmm1, (%%rdx,%%r12) \n\t" "vmovhpd %%xmm1, (%%rdx,%%r13) \n\t" " \n\t" " \n\t" "jmp .DDONE%= \n\t" // jump to end. " \n\t" " \n\t" " \n\t" ".DCOLSTORBZ%=: \n\t" " \n\t" // update c00:c33 " \n\t" "vmovapd %%ymm9, (%%rcx) \n\t" // store c00:c30 "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vmovapd %%ymm11, (%%rcx) \n\t" // store c01:c31 "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vmovapd %%ymm13, (%%rcx) \n\t" // store c02:c32 "addq %%rdi, %%rcx \n\t" // c += cs_c; " \n\t" "vmovapd %%ymm15, (%%rcx) \n\t" // store c03:c33 " \n\t" " \n\t" // update c40:c73 " \n\t" "vmovapd %%ymm8, (%%rdx) \n\t" // store c40:c70 "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vmovapd %%ymm10, (%%rdx) \n\t" // store c41:c71 "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vmovapd %%ymm12, (%%rdx) \n\t" // store c42:c72 "addq %%rdi, %%rdx \n\t" // c += cs_c; " \n\t" "vmovapd %%ymm14, (%%rdx) \n\t" // store c43:c73 " \n\t" " \n\t" " \n\t" " \n\t" " \n\t" ".DDONE%=: \n\t" " \n\t" : // output operands (none) : // input operands "m" (k_iter), // 0 "m" (k_left), // 1 "m" (A), // 2 "m" (B), // 3 "m" (pAlpha), // 4 "m" (pBeta), // 5 "m" (C), // 6 "m" (rs_c), // 7 "m" (cs_c), // 8 "m" (b_next)/*, // 9 "m" (a_next)*/ // 10 : // register clobber list "rax", "rbx", "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15", "memory" ); }