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RandomX fixes

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Intel JCC erratum fix and various other improvements, see more here: https://www.phoronix.com/scan.php?page=article&item=intel-jcc-microcode&num=1
This commit is contained in:
SChernykh 2019-12-01 08:46:35 +01:00
parent 8791261220
commit 84d7eb05f3
12 changed files with 320 additions and 40 deletions
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18
src/crypto/randomx/randomx.cpp
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@ -473,4 +473,22 @@ extern "C" {
machine->getFinalResult(output, RANDOMX_HASH_SIZE);
}
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);
machine->initScratchpad(tempHash);
}
void randomx_calculate_hash_next(randomx_vm* machine, uint64_t (&tempHash)[8], const void* nextInput, size_t nextInputSize, void* output) {
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);
}
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);
}
}