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RandomX: added performance profiler (for developers)

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Also optimized Blake2b SSE4.1 code size to avoid code cache pollution.
This commit is contained in:
SChernykh 2020-09-12 23:07:52 +02:00
parent adf833b60a
commit a05393727c
19 changed files with 390 additions and 481 deletions
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18
src/crypto/randomx/randomx.cpp
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@ -47,6 +47,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <cassert>
#include "base/tools/Profiler.h"
RandomX_ConfigurationWownero::RandomX_ConfigurationWownero()
{
ArgonSalt = "RandomWOW\x01";
@ -574,33 +576,35 @@ extern "C" {
assert(inputSize == 0 || input != nullptr);
assert(output != nullptr);
alignas(16) uint64_t tempHash[8];
rx_blake2b(tempHash, sizeof(tempHash), input, inputSize, nullptr, 0);
rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), input, inputSize);
machine->initScratchpad(&tempHash);
machine->resetRoundingMode();
for (uint32_t chain = 0; chain < RandomX_CurrentConfig.ProgramCount - 1; ++chain) {
machine->run(&tempHash);
rx_blake2b(tempHash, sizeof(tempHash), machine->getRegisterFile(), sizeof(randomx::RegisterFile), nullptr, 0);
rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), machine->getRegisterFile(), sizeof(randomx::RegisterFile));
}
machine->run(&tempHash);
machine->getFinalResult(output, RANDOMX_HASH_SIZE);
machine->getFinalResult(output);
}
void randomx_calculate_hash_first(randomx_vm* machine, uint64_t (&tempHash)[8], const void* input, size_t inputSize) {
rx_blake2b(tempHash, sizeof(tempHash), input, inputSize, nullptr, 0);
rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), input, inputSize);
machine->initScratchpad(tempHash);
}
void randomx_calculate_hash_next(randomx_vm* machine, uint64_t (&tempHash)[8], const void* nextInput, size_t nextInputSize, void* output) {
PROFILE_SCOPE(RandomX_hash);
machine->resetRoundingMode();
for (uint32_t chain = 0; chain < RandomX_CurrentConfig.ProgramCount - 1; ++chain) {
machine->run(&tempHash);
rx_blake2b(tempHash, sizeof(tempHash), machine->getRegisterFile(), sizeof(randomx::RegisterFile), nullptr, 0);
rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), machine->getRegisterFile(), sizeof(randomx::RegisterFile));
}
machine->run(&tempHash);
// Finish current hash and fill the scratchpad for the next hash at the same time
rx_blake2b(tempHash, sizeof(tempHash), nextInput, nextInputSize, nullptr, 0);
machine->hashAndFill(output, RANDOMX_HASH_SIZE, tempHash);
rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), nextInput, nextInputSize);
machine->hashAndFill(output, tempHash);
}
}