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benchmark: add thread affinity setting

This commit is contained in:
Jethro Grassie 2019-06-12 23:18:38 -04:00
parent 7edae5a4e4
commit 81d3a9d4a1
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GPG Key ID: DE8ED755616565BB
5 changed files with 190 additions and 6 deletions
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11
makefile
View File

@ -2,6 +2,7 @@
#CC=gcc-8
AR=gcc-ar
PLATFORM=$(shell uname -m)
OS=$(shell uname -s)
CXXFLAGS=-std=c++11
CCFLAGS=-std=c99
ARFLAGS=rcs
@ -21,6 +22,9 @@ ifeq ($(PLATFORM),x86_64)
RXOBJS += $(addprefix $(OBJDIR)/,jit_compiler_x86_static.o jit_compiler_x86.o)
CXXFLAGS += -maes
endif
ifeq ($(OS),Darwin)
AR=ar
endif
release: CXXFLAGS += -O3 -flto
release: CCFLAGS += -O3 -flto
@ -54,10 +58,10 @@ $(OBJDIR):
$(BINDIR):
mkdir $(BINDIR)
$(OBJDIR)/benchmark.o: $(TESTDIR)/benchmark.cpp $(TESTDIR)/stopwatch.hpp \
$(TESTDIR)/utility.hpp $(SRCDIR)/randomx.h $(SRCDIR)/blake2/endian.h
$(TESTDIR)/utility.hpp $(SRCDIR)/randomx.h $(SRCDIR)/blake2/endian.h $(SRCDIR)/affinity.hpp
$(CXX) $(CXXFLAGS) -pthread -c $< -o $@
$(BINDIR)/benchmark: $(OBJDIR)/benchmark.o $(RXA)
$(CXX) $(LDFLAGS) -pthread $< $(RXA) -o $@
$(BINDIR)/benchmark: $(OBJDIR)/benchmark.o $(OBJDIR)/affinity.o $(RXA)
$(CXX) $(LDFLAGS) -pthread $< $(OBJDIR)/affinity.o $(RXA) -o $@
$(OBJDIR)/code-generator.o: $(TESTDIR)/code-generator.cpp $(TESTDIR)/utility.hpp \
$(SRCDIR)/common.hpp $(SRCDIR)/blake2/endian.h \
$(SRCDIR)/configuration.h $(SRCDIR)/randomx.h \
@ -105,6 +109,7 @@ $(OBJDIR)/vm_interpreted.o: $(SRCDIR)/vm_interpreted.cpp $(SRCDIR)/vm_interprete
$(SRCDIR)/intrin_portable.h $(SRCDIR)/allocator.hpp $(SRCDIR)/dataset.hpp \
$(SRCDIR)/superscalar_program.hpp $(SRCDIR)/jit_compiler_x86.hpp $(SRCDIR)/reciprocal.h \
$(SRCDIR)/instruction_weights.hpp
$(OBJDIR/affinity.o: $(SRCDIR)/affinity.cpp $(SRCDIR)/affinity.hpp
$(OBJDIR)/allocator.o: $(SRCDIR)/allocator.cpp $(SRCDIR)/allocator.hpp $(SRCDIR)/intrin_portable.h \
$(SRCDIR)/virtual_memory.hpp $(SRCDIR)/common.hpp $(SRCDIR)/blake2/endian.h \
$(SRCDIR)/configuration.h $(SRCDIR)/randomx.h

114
src/affinity.cpp Normal file
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@ -0,0 +1,114 @@
/*
Copyright (c) 2019, jtgrassie
All rights reserved.
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 copyright holder 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.
*/
#if defined(_WIN32) || defined(__CYGWIN__)
#include <windows.h>
#else
#ifdef __APPLE__
#include <mach/thread_act.h>
#include <mach/thread_policy.h>
#endif
#include <pthread.h>
#endif
#include "affinity.hpp"
int
set_thread_affinity(const unsigned &cpuid)
{
std::thread::native_handle_type thread;
#if defined(_WIN32) || defined(__CYGWIN__)
thread = static_cast<std::thread::native_handle_type>(GetCurrentThread());
#else
thread = static_cast<std::thread::native_handle_type>(pthread_self());
#endif
return set_thread_affinity(thread, cpuid);
}
int
set_thread_affinity(std::thread::native_handle_type thread,
const unsigned &cpuid)
{
int rc = -1;
#ifdef __APPLE__
thread_port_t mach_thread;
thread_affinity_policy_data_t policy = { static_cast<integer_t>(cpuid) };
mach_thread = pthread_mach_thread_np(thread);
rc = thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY,
(thread_policy_t)&policy, 1);
#elif defined(_WIN32) || defined(__CYGWIN__)
rc = SetThreadAffinityMask(thread, 1ULL << cpuid) == 0 ? -2 : 0;
#else
cpu_set_t cs;
CPU_ZERO(&cs);
CPU_SET(cpuid, &cs);
rc = pthread_setaffinity_np(thread, sizeof(cpu_set_t), &cs);
#endif
return rc;
}
unsigned
cpuid_from_mask(uint64_t mask, const unsigned &thread_index)
{
static unsigned lookup[64];
static bool init = false;
if (init)
return lookup[thread_index];
unsigned count_found = 0;
for (unsigned i=0; i<64; i++)
{
if (1ULL & mask)
{
lookup[count_found] = i;
count_found++;
}
mask >>= 1;
}
init = true;
return lookup[thread_index];
}
std::string
mask_to_string(uint64_t mask)
{
std::string r(65, '\0');
unsigned len = 0;
unsigned v = 0;
unsigned i = 64;
while (i--)
{
v = mask >> i;
if (1ULL & v)
{
if (len == 0) len = i+1;
r[len-i] = '1';
}
else
if (len > 0) r[len-i] = '0';
}
return r;
}

39
src/affinity.hpp Normal file
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@ -0,0 +1,39 @@
/*
Copyright (c) 2019, jtgrassie
All rights reserved.
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 copyright holder 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.
*/
#pragma once
#include <cstddef>
#include <thread>
#include <string>
int set_thread_affinity(const unsigned &cpuid);
int set_thread_affinity(std::thread::native_handle_type thread,
const unsigned &cpuid);
unsigned cpuid_from_mask(uint64_t mask, const unsigned &thread_index);
std::string mask_to_string(uint64_t mask);

23
src/tests/benchmark.cpp
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@ -38,6 +38,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "utility.hpp"
#include "../randomx.h"
#include "../blake2/endian.h"
#include "../affinity.hpp"
const uint8_t blockTemplate_[] = {
0x07, 0x07, 0xf7, 0xa4, 0xf0, 0xd6, 0x05, 0xb3, 0x03, 0x26, 0x08, 0x16, 0xba, 0x3f, 0x10, 0x90, 0x2e, 0x1a, 0x14,
@ -79,12 +80,19 @@ void printUsage(const char* executable) {
std::cout << " --largePages use large pages" << std::endl;
std::cout << " --softAes use software AES (default: x86 AES-NI)" << std::endl;
std::cout << " --threads T use T threads (default: 1)" << std::endl;
std::cout << " --affinity A thread affinity bitmask (default: 0)" << std::endl;
std::cout << " --init Q initialize dataset with Q threads (default: 1)" << std::endl;
std::cout << " --nonces N run N nonces (default: 1000)" << std::endl;
std::cout << " --seed S seed for cache initialization (default: 0)" << std::endl;
}
void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result, uint32_t noncesCount, int thread) {
void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result, uint32_t noncesCount, int thread, int cpuid=-1) {
if (cpuid >= 0) {
int rc = set_thread_affinity(cpuid);
if (rc) {
std::cerr << "Failed to set thread affinity for thread " << thread << " (error=" << rc << ")" << std::endl;
}
}
uint64_t hash[RANDOMX_HASH_SIZE / sizeof(uint64_t)];
uint8_t blockTemplate[sizeof(blockTemplate_)];
memcpy(blockTemplate, blockTemplate_, sizeof(blockTemplate));
@ -102,6 +110,7 @@ void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result
int main(int argc, char** argv) {
bool softAes, miningMode, verificationMode, help, largePages, jit;
int noncesCount, threadCount, initThreadCount;
uint64_t threadAffinity;
int32_t seedValue;
char seed[4];
@ -109,6 +118,7 @@ int main(int argc, char** argv) {
readOption("--mine", argc, argv, miningMode);
readOption("--verify", argc, argv, verificationMode);
readIntOption("--threads", argc, argv, threadCount, 1);
readUInt64Option("--affinity", argc, argv, threadAffinity, 0);
readIntOption("--nonces", argc, argv, noncesCount, 1000);
readIntOption("--init", argc, argv, initThreadCount, 1);
readIntOption("--seed", argc, argv, seedValue, 0);
@ -165,6 +175,10 @@ int main(int argc, char** argv) {
std::cout << " - small pages mode" << std::endl;
}
if (threadAffinity) {
std::cout << " - thread affinity (" << mask_to_string(threadAffinity) << ")" << std::endl;
}
std::cout << "Initializing";
if (miningMode)
std::cout << " (" << initThreadCount << " thread" << (initThreadCount > 1 ? "s)" : ")");
@ -218,10 +232,13 @@ int main(int argc, char** argv) {
sw.restart();
if (threadCount > 1) {
for (unsigned i = 0; i < vms.size(); ++i) {
int cpuid = -1;
if (threadAffinity)
cpuid = cpuid_from_mask(threadAffinity, i);
if (softAes)
threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i));
threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i, cpuid));
else
threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i));
threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i, cpuid));
}
for (unsigned i = 0; i < threads.size(); ++i) {
threads[i].join();

9
src/tests/utility.hpp
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@ -66,6 +66,15 @@ inline void readIntOption(const char* option, int argc, char** argv, int& out, i
out = defaultValue;
}
inline void readUInt64Option(const char* option, int argc, char** argv, uint64_t& out, uint64_t defaultValue) {
for (int i = 0; i < argc - 1; ++i) {
if (strcmp(argv[i], option) == 0 && (out = std::strtoull(argv[i + 1], NULL, 0)) > 0) {
return;
}
}
out = defaultValue;
}
inline void readFloatOption(const char* option, int argc, char** argv, double& out, double defaultValue) {
for (int i = 0; i < argc - 1; ++i) {
if (strcmp(argv[i], option) == 0 && (out = atof(argv[i + 1])) > 0) {