wehub-resource-sync
134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/* Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License. */
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#pragma once
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#include <string>
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#include <type_traits>
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#include "paddle/phi/backends/cpu/cpu_info.h"
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#include "paddle/phi/kernels/funcs/jit/gen_base.h"
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#define XBYAK_USE_MMAP_ALLOCATOR
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#include "xbyak/xbyak.h"
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#include "xbyak/xbyak_util.h"
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namespace phi {
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namespace jit {
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namespace gen {
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// Application Binary Interface
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constexpr Xbyak::Operand::Code abi_param1(Xbyak::Operand::RDI),
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abi_param2(Xbyak::Operand::RSI), abi_param3(Xbyak::Operand::RDX),
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abi_param4(Xbyak::Operand::RCX), abi_param5(Xbyak::Operand::R8),
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abi_param6(Xbyak::Operand::R9);
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constexpr Xbyak::Operand::Code g_abi_regs[] = {Xbyak::Operand::RBX,
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Xbyak::Operand::RBP,
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Xbyak::Operand::R12,
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Xbyak::Operand::R13,
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Xbyak::Operand::R14,
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Xbyak::Operand::R15};
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constexpr int num_g_abi_regs = sizeof(g_abi_regs) / sizeof(g_abi_regs[0]);
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using reg64_t = const Xbyak::Reg64;
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using reg32_t = const Xbyak::Reg32;
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using xmm_t = const Xbyak::Xmm;
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using ymm_t = const Xbyak::Ymm;
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using zmm_t = const Xbyak::Zmm;
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using opmask_t = const Xbyak::Opmask;
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using Label = Xbyak::Label;
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typedef enum {
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MUL = 0,
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MAX,
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ADD,
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SUB,
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RELU,
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EXP,
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SQUARE,
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SIGMOID,
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TANH,
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IDENTITY
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} operand_type;
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#define DECLARE_JIT_CODE(codename) \
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std::string name() const override { return #codename; }
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class JitCode : public GenBase, public Xbyak::CodeGenerator {
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public:
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explicit JitCode(size_t code_size, void* code_ptr = nullptr)
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: Xbyak::CodeGenerator(
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(code_size % 4096 != 0 ? (code_size / 4096 + 1) * 4096 : code_size),
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code_ptr) {}
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virtual void genCode() = 0;
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size_t getSize() const override { return CodeGenerator::getSize(); }
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const unsigned char* getCodeInternal() const override {
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const Xbyak::uint8* code = CodeGenerator::getCode();
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return code;
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}
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protected:
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Xbyak::Reg64 param1{abi_param1};
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const int EVEX_max_8b_offt = 0x200;
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const Xbyak::Reg64 reg_EVEX_max_8b_offt = rbp;
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virtual void preCode() {
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for (int i = 0; i < num_g_abi_regs; ++i) {
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push(Xbyak::Reg64(g_abi_regs[i]));
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}
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if (phi::backends::cpu::MayIUse(phi::backends::cpu::avx512f)) {
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mov(reg_EVEX_max_8b_offt, 2 * EVEX_max_8b_offt);
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}
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}
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virtual void postCode() {
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for (int i = 0; i < num_g_abi_regs; ++i) {
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pop(Xbyak::Reg64(g_abi_regs[num_g_abi_regs - 1 - i]));
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}
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ret();
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}
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void L(const char* label) { Xbyak::CodeGenerator::L(label); }
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void L(Xbyak::Label& label) { Xbyak::CodeGenerator::L(label); } // NOLINT
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// Enhanced vector extension
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Xbyak::Address EVEX_compress_addr(Xbyak::Reg64 base,
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int offt,
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bool bcast = false) {
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int scale = 0;
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// Learn from https://github.com/uxlfoundation/oneDNN
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if (EVEX_max_8b_offt <= offt && offt < 3 * EVEX_max_8b_offt) {
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offt = offt - 2 * EVEX_max_8b_offt;
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scale = 1;
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} else if (3 * EVEX_max_8b_offt <= offt && offt < 5 * EVEX_max_8b_offt) {
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offt = offt - 4 * EVEX_max_8b_offt;
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scale = 2;
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}
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auto re = Xbyak::RegExp() + base + offt;
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if (scale) {
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re = re + reg_EVEX_max_8b_offt * scale;
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}
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if (bcast) {
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return zword_b[re];
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} else {
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return zword[re];
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}
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}
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};
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} // namespace gen
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} // namespace jit
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} // namespace phi
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