mirror of
https://git.wownero.com/wownero/RandomWOW.git
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Automatic detection of CPU capabilities
This commit is contained in:
tevador
parent
eda3603bf3
commit
e0484dfb99
@ -34,6 +34,7 @@ src/argon2_ref.c
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src/argon2_ssse3.c
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src/argon2_avx2.c
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src/bytecode_machine.cpp
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src/cpu.cpp
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src/dataset.cpp
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src/soft_aes.cpp
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src/virtual_memory.cpp
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@ -132,6 +133,13 @@ if (ARM_ID STREQUAL "aarch64" OR ARM_ID STREQUAL "arm64" OR ARM_ID STREQUAL "arm
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# cheat because cmake and ccache hate each other
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set_property(SOURCE src/jit_compiler_a64_static.S PROPERTY LANGUAGE C)
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# not sure if this check is needed
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include(CheckIncludeFile)
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check_include_file(asm/hwcap.h HAVE_HWCAP)
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if(HAVE_HWCAP)
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add_definitions(-DHAVE_HWCAP)
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endif()
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if(ARCH STREQUAL "native")
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add_flag("-march=native")
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else()
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72
src/cpu.cpp
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72
src/cpu.cpp
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@ -0,0 +1,72 @@
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/*
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Copyright (c) 2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "cpu.hpp"
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#if defined(_M_X64) || defined(__x86_64__)
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#define HAVE_CPUID
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#ifdef _WIN32
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#include <intrin.h>
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#define cpuid(info, x) __cpuidex(info, x, 0)
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#else //GCC
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#include <cpuid.h>
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void cpuid(int info[4], int InfoType) {
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__cpuid_count(InfoType, 0, info[0], info[1], info[2], info[3]);
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}
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#endif
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#endif
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#if defined(HAVE_HWCAP)
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#include <sys/auxv.h>
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#include <asm/hwcap.h>
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#endif
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namespace randomx {
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Cpu::Cpu() : aes_(false), ssse3_(false), avx2_(false) {
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#ifdef HAVE_CPUID
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int info[4];
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cpuid(info, 0);
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int nIds = info[0];
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if (nIds >= 0x00000001) {
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cpuid(info, 0x00000001);
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ssse3_ = (info[2] & (1 << 9)) != 0;
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aes_ = (info[2] & (1 << 25)) != 0;
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}
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if (nIds >= 0x00000007) {
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cpuid(info, 0x00000007);
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avx2_ = (info[1] & (1 << 5)) != 0;
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}
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#elif defined(__aarch64__) && defined(HWCAP_AES)
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long hwcaps = getauxval(AT_HWCAP);
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aes_ = (hwcaps & HWCAP_AES) != 0;
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#endif
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//TODO POWER8 AES
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}
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}
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49
src/cpu.hpp
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49
src/cpu.hpp
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@ -0,0 +1,49 @@
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/*
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Copyright (c) 2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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namespace randomx {
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class Cpu {
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public:
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Cpu();
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bool hasAes() const {
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return aes_;
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}
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bool hasSsse3() const {
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return ssse3_;
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}
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bool hasAvx2() const {
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return avx2_;
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}
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private:
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bool aes_, ssse3_, avx2_;
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};
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}
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@ -33,11 +33,27 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "vm_compiled.hpp"
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#include "vm_compiled_light.hpp"
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#include "blake2/blake2.h"
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#include "cpu.hpp"
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#include <cassert>
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#include <limits>
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extern "C" {
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randomx_flags randomx_get_flags() {
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randomx_flags flags = RANDOMX_HAVE_COMPILER ? RANDOMX_FLAG_JIT : RANDOMX_FLAG_DEFAULT;
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randomx::Cpu cpu;
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if (cpu.hasAes()) {
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flags |= RANDOMX_FLAG_HARD_AES;
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}
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if (randomx_argon2_impl_avx2() != nullptr && cpu.hasAvx2()) {
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flags |= RANDOMX_FLAG_ARGON2_AVX2;
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}
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else if (randomx_argon2_impl_ssse3() != nullptr && cpu.hasSsse3()) {
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flags |= RANDOMX_FLAG_ARGON2_SSSE3;
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}
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return flags;
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}
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randomx_cache *randomx_alloc_cache(randomx_flags flags) {
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randomx_cache *cache = nullptr;
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@ -54,10 +54,38 @@ typedef struct randomx_dataset randomx_dataset;
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typedef struct randomx_cache randomx_cache;
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typedef struct randomx_vm randomx_vm;
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#if defined(__cplusplus)
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#ifdef __cpp_constexpr
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#define CONSTEXPR constexpr
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#else
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#define CONSTEXPR
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#endif
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inline CONSTEXPR randomx_flags operator |(randomx_flags a, randomx_flags b) {
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return static_cast<randomx_flags>(static_cast<int>(a) | static_cast<int>(b));
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}
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inline CONSTEXPR randomx_flags operator &(randomx_flags a, randomx_flags b) {
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return static_cast<randomx_flags>(static_cast<int>(a) & static_cast<int>(b));
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}
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inline randomx_flags& operator |=(randomx_flags& a, randomx_flags b) {
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return a = a | b;
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}
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extern "C" {
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#endif
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/**
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* @return The recommended flags to be used on the current machine.
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* Does not include:
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* RANDOMX_FLAG_LARGE_PAGES
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* RANDOMX_FLAG_FULL_MEM
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* RANDOMX_FLAG_SECURE
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* These flags must be added manually if desired.
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*/
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RANDOMX_EXPORT randomx_flags randomx_get_flags(void);
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/**
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* Creates a randomx_cache structure and allocates memory for RandomX Cache.
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*
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@ -93,6 +93,7 @@ void printUsage(const char* executable) {
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std::cout << " --seed S seed for cache initialization (default: 0)" << std::endl;
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std::cout << " --ssse3 use optimized Argon2 for SSSE3 CPUs" << std::endl;
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std::cout << " --avx2 use optimized Argon2 for AVX2 CPUs" << std::endl;
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std::cout << " --auto select the best options for the current CPU" << std::endl;
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}
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struct MemoryException : public std::exception {
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@ -130,7 +131,7 @@ void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result
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}
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int main(int argc, char** argv) {
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bool softAes, miningMode, verificationMode, help, largePages, jit, secure, ssse3, avx2;
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bool softAes, miningMode, verificationMode, help, largePages, jit, secure, ssse3, avx2, autoFlags;
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int noncesCount, threadCount, initThreadCount;
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uint64_t threadAffinity;
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int32_t seedValue;
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@ -153,6 +154,7 @@ int main(int argc, char** argv) {
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readOption("--secure", argc, argv, secure);
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readOption("--ssse3", argc, argv, ssse3);
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readOption("--avx2", argc, argv, avx2);
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readOption("--auto", argc, argv, autoFlags);
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store32(&seed, seedValue);
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@ -169,31 +171,56 @@ int main(int argc, char** argv) {
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std::vector<std::thread> threads;
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randomx_dataset* dataset;
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randomx_cache* cache;
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randomx_flags flags = RANDOMX_FLAG_DEFAULT;
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randomx_flags flags;
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if (autoFlags) {
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initThreadCount = std::thread::hardware_concurrency();
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flags = randomx_get_flags();
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}
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else {
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flags = RANDOMX_FLAG_DEFAULT;
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if (ssse3) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_ARGON2_SSSE3);
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flags |= RANDOMX_FLAG_ARGON2_SSSE3;
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}
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if (avx2) {
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flags |= RANDOMX_FLAG_ARGON2_AVX2;
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}
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if (!softAes) {
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flags |= RANDOMX_FLAG_HARD_AES;
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}
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if (jit) {
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flags |= RANDOMX_FLAG_JIT;
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}
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}
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if (largePages) {
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flags |= RANDOMX_FLAG_LARGE_PAGES;
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}
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if (miningMode) {
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flags |= RANDOMX_FLAG_FULL_MEM;
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}
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if (secure) {
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flags |= RANDOMX_FLAG_SECURE;
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}
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if (flags & RANDOMX_FLAG_ARGON2_SSSE3) {
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std::cout << " - Argon2 implementation: SSSE3" << std::endl;
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}
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if (avx2) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_ARGON2_AVX2);
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if (flags & RANDOMX_FLAG_ARGON2_AVX2) {
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std::cout << " - Argon2 implementation: AVX2" << std::endl;
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}
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if (miningMode) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_FULL_MEM);
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if (flags & RANDOMX_FLAG_FULL_MEM) {
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std::cout << " - full memory mode (2080 MiB)" << std::endl;
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}
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else {
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std::cout << " - light memory mode (256 MiB)" << std::endl;
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}
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if (jit) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_JIT);
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if (flags & RANDOMX_FLAG_JIT) {
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std::cout << " - JIT compiled mode ";
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if (secure) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_SECURE);
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if (flags & RANDOMX_FLAG_SECURE) {
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std::cout << "(secure)";
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}
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std::cout << std::endl;
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@ -202,16 +229,14 @@ int main(int argc, char** argv) {
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std::cout << " - interpreted mode" << std::endl;
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}
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if (softAes) {
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std::cout << " - software AES mode" << std::endl;
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}
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else {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_HARD_AES);
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if (flags & RANDOMX_FLAG_HARD_AES) {
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std::cout << " - hardware AES mode" << std::endl;
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}
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else {
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std::cout << " - software AES mode" << std::endl;
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}
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if (largePages) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_LARGE_PAGES);
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if (flags & RANDOMX_FLAG_LARGE_PAGES) {
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std::cout << " - large pages mode" << std::endl;
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}
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else {
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@ -229,10 +254,10 @@ int main(int argc, char** argv) {
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try {
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randomx::selectArgonImpl(flags); //just to check if flags are valid
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if (jit && !RANDOMX_HAVE_COMPILER) {
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if ((flags & RANDOMX_FLAG_JIT) && !RANDOMX_HAVE_COMPILER) {
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throw std::runtime_error("JIT compilation is not supported on this platform. Try without --jit");
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}
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if (!jit && RANDOMX_HAVE_COMPILER) {
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if (!(flags & RANDOMX_FLAG_JIT) && RANDOMX_HAVE_COMPILER) {
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std::cout << "WARNING: You are using the interpreter mode. Use --jit for optimal performance." << std::endl;
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}
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@ -273,7 +298,7 @@ int main(int argc, char** argv) {
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for (int i = 0; i < threadCount; ++i) {
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randomx_vm *vm = randomx_create_vm(flags, cache, dataset);
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if (vm == nullptr) {
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if (!softAes) {
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if ((flags & RANDOMX_FLAG_HARD_AES)) {
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throw std::runtime_error("Cannot create VM with the selected options. Try using --softAes");
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}
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if (largePages) {
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@ -290,9 +315,6 @@ int main(int argc, char** argv) {
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int cpuid = -1;
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if (threadAffinity)
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cpuid = cpuid_from_mask(threadAffinity, i);
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if (softAes)
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threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i, cpuid));
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else
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threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i, cpuid));
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}
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for (unsigned i = 0; i < threads.size(); ++i) {
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@ -114,7 +114,6 @@
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<ConformanceMode>true</ConformanceMode>
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<AssemblerOutput>AssemblyCode</AssemblerOutput>
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<PreprocessorDefinitions>_MBCS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
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</ClCompile>
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<Link>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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@ -132,7 +131,9 @@ SET ERRORLEVEL = 0</Command>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="..\src\allocator.cpp" />
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<ClCompile Include="..\src\argon2_avx2.c" />
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<ClCompile Include="..\src\argon2_avx2.c">
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<EnableEnhancedInstructionSet Condition="'$(Configuration)|$(Platform)'=='Release|x64'">AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
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</ClCompile>
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<ClCompile Include="..\src\argon2_core.c" />
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<ClCompile Include="..\src\argon2_ref.c" />
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<ClCompile Include="..\src\argon2_ssse3.c" />
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@ -140,6 +141,7 @@ SET ERRORLEVEL = 0</Command>
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<ClCompile Include="..\src\blake2_generator.cpp" />
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<ClCompile Include="..\src\blake2\blake2b.c" />
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<ClCompile Include="..\src\bytecode_machine.cpp" />
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<ClCompile Include="..\src\cpu.cpp" />
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<ClCompile Include="..\src\vm_compiled_light.cpp" />
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<ClCompile Include="..\src\vm_compiled.cpp" />
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<ClCompile Include="..\src\dataset.cpp" />
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@ -173,6 +175,7 @@ SET ERRORLEVEL = 0</Command>
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<ClInclude Include="..\src\blake2_generator.hpp" />
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<ClInclude Include="..\src\bytecode_machine.hpp" />
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<ClInclude Include="..\src\common.hpp" />
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<ClInclude Include="..\src\cpu.hpp" />
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<ClInclude Include="..\src\jit_compiler.hpp" />
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<ClInclude Include="..\src\jit_compiler_a64.hpp" />
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<ClInclude Include="..\src\jit_compiler_fallback.hpp" />
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@ -87,6 +87,9 @@
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<ClCompile Include="..\src\argon2_ssse3.c">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="..\src\cpu.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="..\src\argon2.h">
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@ -197,6 +200,9 @@
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<ClInclude Include="..\src\blake2\blamka-round-ssse3.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="..\src\cpu.hpp">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<MASM Include="..\src\jit_compiler_x86_static.asm">
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