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author | Jianyu Huang <jianyuhuang@fb.com> | 2019-08-06 21:55:17 +0300 |
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committer | Facebook Github Bot <facebook-github-bot@users.noreply.github.com> | 2019-08-06 21:59:00 +0300 |
commit | cf34b9a26b609109b18d6498f0608faddb7a911b (patch) | |
tree | 1ceaddaf942edb9debcafad7491b750fc3a5f066 /src/GenerateKernelU8S8S32ACC32Avx512VNNI.cc | |
parent | d8b3323668fdd15dc70e9cb43ab16e96f4846eeb (diff) |
Back out "[fbgemm] Integrate VNNI into FBGEMM master branch"
Summary:
Original commit changeset: fcaa13cc3159
ASMJIT requires the CMake version to be 3.8
However, FBGEMM and PyTorch only need the CMake version to be 3.5+.
This caused the build failure in FBGEMM:
https://circleci.com/gh/pytorch/FBGEMM/122#build-timing/containers/0
Reviewed By: dskhudia
Differential Revision: D16670547
fbshipit-source-id: 506714c3db1cb82cf98895f58f82f235128f5285
Diffstat (limited to 'src/GenerateKernelU8S8S32ACC32Avx512VNNI.cc')
-rw-r--r-- | src/GenerateKernelU8S8S32ACC32Avx512VNNI.cc | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/src/GenerateKernelU8S8S32ACC32Avx512VNNI.cc b/src/GenerateKernelU8S8S32ACC32Avx512VNNI.cc deleted file mode 100644 index 8ae0745..0000000 --- a/src/GenerateKernelU8S8S32ACC32Avx512VNNI.cc +++ /dev/null @@ -1,431 +0,0 @@ -/* - * Copyright (c) Facebook, Inc. and its affiliates. - * All rights reserved. - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. - */ -#include <iostream> -#include "GenerateKernel.h" - -namespace fbgemm { - -namespace x86 = asmjit::x86; - -/** - * Generate AVX512 instructions for initializing the C registers to 0 in 32-bit - * Accumulation kernel. - */ -template <> -template <> -void CodeGenBase<uint8_t, int8_t, int32_t, int32_t>::initCRegs< - inst_set_t::avx512_vnni>( - x86::Emitter* a, - int rowRegs, - int colRegs, - int leadingDimCReg) { - for (int i = 0; i < rowRegs; ++i) { - for (int j = 0; j < colRegs; ++j) { - a->vxorps( - CRegs_avx512_[i * leadingDimCReg + j], - CRegs_avx512_[i * leadingDimCReg + j], - CRegs_avx512_[i * leadingDimCReg + j]); - } - } -} - -/** - * Generate AVX512 instructions for computing block in the rank-k update of - * 32-bit Accmulation kernel. - */ -template <> -template <> -void CodeGenBase<uint8_t, int8_t, int32_t, int32_t>::genComputeBlock< - inst_set_t::avx512_vnni>( - x86::Emitter* a, - x86::Gp buffer_A, - x86::Gp buffer_B, - x86::Gp B_pf, - int rowRegs, - int colRegs, - int lda, - int leadingDimCReg) { - // used for matrix A - x86::Zmm AReg = x86::zmm31; - - // used for matrix B - x86::Zmm BReg = x86::zmm30; - - for (int j = 0; j < colRegs; ++j) { - // load B - a->vmovaps(BReg, x86::dword_ptr(buffer_B, j * VLEN_ * sizeof(int8_t))); - // load A, broadcast and fmas - for (int i = 0; i < rowRegs; ++i) { - a->vpbroadcastd( - AReg, x86::dword_ptr(buffer_A, (i * lda) * sizeof(uint8_t))); - a->vpdpbusd(CRegs_avx512_[i * leadingDimCReg + j], AReg, BReg); - } - a->prefetcht0(x86::dword_ptr(B_pf, j * VLEN_ * sizeof(int8_t))); - } -} - -/** - * Generate AVX512 instructions for storing the C registers back to the memory - * in 32-bit Accumulation kernel. - */ -template <> -template <> -void CodeGenBase<uint8_t, int8_t, int32_t, int32_t>::storeCRegs< - inst_set_t::avx512_vnni>( - x86::Emitter* a, - int rowRegs, - int colRegs, - x86::Gp C_Offset, - x86::Gp ldcReg, - bool accum, - int leadingDimCReg) { - for (int i = 0; i < rowRegs; ++i) { - if (i != 0) { - a->add(C_Offset, ldcReg); - } else { - a->mov(C_Offset, static_cast<asmjit::Imm>(0)); - } - for (int j = 0; j < colRegs; ++j) { - if (accum) { - a->vpaddd( - CRegs_avx512_[i * leadingDimCReg + j], - CRegs_avx512_[i * leadingDimCReg + j], - x86::dword_ptr(a->zcx(), C_Offset, 0, j * 16 * sizeof(int32_t))); - } - a->vmovups( - x86::dword_ptr(a->zcx(), C_Offset, 0, j * 16 * sizeof(int32_t)), - CRegs_avx512_[i * leadingDimCReg + j]); - } - } -} - -/** - * Get or Create the AVX512 instructions for 32-bit Accumulation macro-kernel. - * - */ -template <> -template <> -CodeGenBase<uint8_t, int8_t, int32_t, int32_t>::jit_micro_kernel_fp -CodeGenBase<uint8_t, int8_t, int32_t, int32_t>::getOrCreate< - inst_set_t::avx512_vnni>( - bool accum, - int32_t mc, - int32_t nc, - int32_t kc, - int32_t /* unused */) { - std::tuple<bool, int, int, int, int, int, int, int> kernelSig; - int kBlock; - int nBlock; - int mRegBlockSize; - int nRegBlockSize; - int nRegBlockSizeMin; - int row_interleave; - - if (blocking_params) { - kBlock = blocking_params->KCB; - nBlock = blocking_params->NCB; - mRegBlockSize = blocking_params->MR; - nRegBlockSize = blocking_params->NR; - nRegBlockSizeMin = blocking_params->NR_MIN; - row_interleave = blocking_params->ROW_INTERLEAVE; - } else { - kBlock = PackingTraits<uint8_t, int32_t, inst_set_t::avx512_vnni>::KCB; - nBlock = PackingTraits<uint8_t, int32_t, inst_set_t::avx512_vnni>::NCB; - mRegBlockSize = - PackingTraits<uint8_t, int32_t, inst_set_t::avx512_vnni>::MR; - nRegBlockSize = - PackingTraits<uint8_t, int32_t, inst_set_t::avx512_vnni>::NR; - nRegBlockSizeMin = - PackingTraits<uint8_t, int32_t, inst_set_t::avx512_vnni>::NR_MIN; - row_interleave = PackingTraits<uint8_t, int32_t, inst_set_t::avx512_vnni>:: - ROW_INTERLEAVE; - } - - kernelSig = std::make_tuple( - accum, - mc, - nc, - nBlock, - kBlock, - mRegBlockSize, - nRegBlockSize, - nRegBlockSizeMin); - - if (codeCache_.find(kernelSig) != codeCache_.end()) { - return codeCache_[kernelSig]; - } - code_.reset(false); - code_.init(rt_.codeInfo()); - x86::Assembler assembler(&code_); - x86::Emitter* a = assembler.as<x86::Emitter>(); - -#if defined(FBGEMM_LOG_CODE) - // generated code logging - FILE* codeLogfile = fopen( - getCodeLoggingFile<inst_set_t::avx512_vnni>( - accum, - mc, - nc, - nBlock, - kBlock, - mRegBlockSize, - nRegBlockSize, - nRegBlockSizeMin) - .c_str(), - "w"); - asmjit::FileLogger* codeLogger = new asmjit::FileLogger(codeLogfile); - if (codeLogger) { - code_.setLogger(codeLogger); - } -#endif - - assert(kc % row_interleave == 0 && "kc must be a multiple of row_interleave"); - assert(nc % nRegBlockSizeMin == 0 && "nc must be a multiple of NR_MIN"); - int maxMRegs = mRegBlockSize; - int maxNRegs = nRegBlockSize * row_interleave / VLEN_; - assert( - maxMRegs * maxNRegs <= 28 && - "MR*(NR*ROW_INTERLEAVE*8/512) \ - must be <= 28(available registers constraint)"); - - int mRegBlocks = mc / mRegBlockSize; - int mRegBlocksRem = mc % mRegBlockSize; - - // arguments to the function created - x86::Gp buffer_A = a->zdi(); - x86::Gp buffer_B = a->zsi(); - x86::Gp B_pf = a->zdx(); - x86::Gp CBase = a->zcx(); - x86::Gp kSize = a->gpz(8); - x86::Gp ldcReg = a->gpz(9); - - asmjit::FuncDetail func; - func.init( - asmjit:: - FuncSignatureT<void, uint8_t*, int8_t*, int8_t*, int32_t*, int, int>( - asmjit::CallConv::kIdHost)); - - asmjit::FuncFrame frame; - frame.init(func); - - frame.setDirtyRegs( - x86::Reg::kGroupVec, - asmjit::Support::bitMask(0, 1, 2, 3, 4, 5, 6, 7) | - asmjit::Support::bitMask(8, 9, 10, 11, 12, 13, 14, 15)); - frame.setDirtyRegs( - x86::Reg::kGroupGp, - asmjit::Support::bitMask(8, 9, 10, 11, 12, 13, 14, 15)); - - asmjit::FuncArgsAssignment args(&func); - args.assignAll(buffer_A, buffer_B, B_pf, CBase, kSize, ldcReg); - - args.updateFuncFrame(frame); - frame.finalize(); - - a->emitProlog(frame); - a->emitArgsAssignment(frame, args); - - asmjit::Label LoopMBlocks = a->newLabel(); - asmjit::Label LoopNBlocks = a->newLabel(); - asmjit::Label Loopk = a->newLabel(); - - x86::Gp buffer_B_saved = a->gpz(10); - x86::Gp C_Offset = a->gpz(11); - x86::Gp B_pf_saved = a->gpz(12); - x86::Gp iIdx = a->gpz(13); - x86::Gp jIdx = a->gpz(14); - x86::Gp kIdx = a->gpz(15); - // x86::Gp B_pf = a->gpz(8); - - x86::Zmm oneReg = x86::zmm29; - // create 16-bit 1s - // i.e., oneReg[0:15] contains 0x0001, oneReg[16:31] contains 0x0001 - // and so on - // a->vpcmpeqw(oneReg, oneReg, oneReg); - a->vpternlogd(oneReg, oneReg, oneReg, 0xff); - a->vpsrlw(oneReg, oneReg, 15); - a->imul(ldcReg, ldcReg, static_cast<asmjit::Imm>(sizeof(int32_t))); - - // save B_buffer address - a->mov(buffer_B_saved, buffer_B); - a->mov(B_pf_saved, B_pf); - - int currColRegs = nc * row_interleave * sizeof(int8_t) / VLEN_; - int colRegs = std::min(currColRegs, maxNRegs); - if (mRegBlocks > 0) { - // move 0 to iteration variables - a->mov(iIdx, 0); - - a->bind(LoopMBlocks); - a->inc(iIdx); - a->mov(jIdx, 0); - - a->bind(LoopNBlocks); - a->inc(jIdx); - - int rowRegs = mRegBlockSize; - - // init C registers - initCRegs<inst_set_t::avx512_vnni>(a, rowRegs, colRegs, colRegs); - - // init k loop index - a->mov(kIdx, 0); - a->bind(Loopk); - - // k is incremented by row_interleave - a->add(kIdx, static_cast<asmjit::Imm>(row_interleave)); - - genComputeBlock<inst_set_t::avx512_vnni>( - a, buffer_A, buffer_B, B_pf, rowRegs, colRegs, kBlock, colRegs); - - // update buffer_A address for next k iteration - a->add( - buffer_A, static_cast<asmjit::Imm>(row_interleave * sizeof(uint8_t))); - - // update buffer_B address for next k iteration - a->add( - buffer_B, - static_cast<asmjit::Imm>(nBlock * row_interleave * sizeof(int8_t))); - a->add( - B_pf, - static_cast<asmjit::Imm>(nBlock * row_interleave * sizeof(int8_t))); - - // a->add(B_pf, static_cast<asmjit::Imm>(32*sizeof(float))); - - a->cmp(kIdx, kSize); - a->jl(Loopk); - - // store C matrix - storeCRegs<inst_set_t::avx512_vnni>( - a, rowRegs, colRegs, C_Offset, ldcReg, accum, colRegs); - - // reset A - a->sub(buffer_A, kSize); - - // B for next block - a->mov(buffer_B, buffer_B_saved); - // using C_Offset as temp reg - a->imul( - C_Offset, - jIdx, - static_cast<asmjit::Imm>( - nRegBlockSize * row_interleave * sizeof(int8_t))); - a->add(buffer_B, C_Offset); - a->mov(B_pf, B_pf_saved); - a->add(B_pf, C_Offset); - - // increment C for next B block - a->add(CBase, static_cast<asmjit::Imm>(nRegBlockSize * sizeof(int32_t))); - - int jLoopTrips = currColRegs / maxNRegs; - // jLoopTrips should be at least 1 - jLoopTrips = jLoopTrips ? jLoopTrips : 1; - a->cmp(jIdx, jLoopTrips); - a->jl(LoopNBlocks); - - // increment A for next block - a->add( - buffer_A, static_cast<asmjit::Imm>((rowRegs)*kBlock * sizeof(uint8_t))); - - // increment C for next A block - a->sub( - CBase, - static_cast<asmjit::Imm>(jLoopTrips * nRegBlockSize * sizeof(int32_t))); - a->imul(C_Offset, ldcReg, static_cast<asmjit::Imm>(rowRegs)); - a->add(CBase, C_Offset); - - // reset B - a->mov(buffer_B, buffer_B_saved); - a->mov(B_pf, B_pf_saved); - a->cmp(iIdx, mRegBlocks); - a->jl(LoopMBlocks); - } - // generate code for remainder - if (mRegBlocksRem > 0) { - asmjit::Label LoopNRem = a->newLabel(); - asmjit::Label LoopkRem = a->newLabel(); - int rowRegs = mRegBlocksRem; - - a->mov(jIdx, 0); - a->bind(LoopNRem); - a->inc(jIdx); - - // init C registers - initCRegs<inst_set_t::avx512_vnni>(a, rowRegs, colRegs, colRegs); - - // init k loop index - a->mov(kIdx, 0); - a->bind(LoopkRem); - - // k is incremented by row_interleave - a->add(kIdx, static_cast<asmjit::Imm>(row_interleave)); - - genComputeBlock<inst_set_t::avx512_vnni>( - a, buffer_A, buffer_B, B_pf, rowRegs, colRegs, kBlock, colRegs); - - // update buffer_A address for next k iteration - a->add( - buffer_A, static_cast<asmjit::Imm>(row_interleave * sizeof(uint8_t))); - - // update buffer_B address for next k iteration - a->add( - buffer_B, - static_cast<asmjit::Imm>(nBlock * row_interleave * sizeof(int8_t))); - a->add( - B_pf, - static_cast<asmjit::Imm>(nBlock * row_interleave * sizeof(int8_t))); - - a->cmp(kIdx, kSize); - a->jl(LoopkRem); - - // reset A - a->sub(buffer_A, kSize); - // B for next block - // using C_Offset as temp reg - a->imul( - C_Offset, - jIdx, - static_cast<asmjit::Imm>( - nRegBlockSize * row_interleave * sizeof(int8_t))); - a->mov(buffer_B, buffer_B_saved); - a->add(buffer_B, C_Offset); - a->mov(B_pf, B_pf_saved); - a->add(B_pf, C_Offset); - - // store C matrix - storeCRegs<inst_set_t::avx512_vnni>( - a, rowRegs, colRegs, C_Offset, ldcReg, accum, colRegs); - - // increment C for next B block - a->add(CBase, static_cast<asmjit::Imm>(nRegBlockSize * sizeof(int32_t))); - - int jLoopTrips = currColRegs / maxNRegs; - // jLoopTrips should be at least 1 - jLoopTrips = jLoopTrips ? jLoopTrips : 1; - a->cmp(jIdx, jLoopTrips); - a->jl(LoopNRem); - } - - a->emitEpilog(frame); - - jit_micro_kernel_fp fn; - asmjit::Error err = rt_.add(&fn, &code_); - if (err) { - std::cout << "Error: in fn add" << std::endl; - return nullptr; - } - codeCache_[kernelSig] = fn; - -#if defined(FBGEMM_LOG_CODE) - fclose(codeLogfile); - delete codeLogger; -#endif - - return fn; -} - -} // namespace fbgemm |