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RandomX: rewrote dataset read code

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Unified code for AMD and Intel
1% faster on Intel
0.15% faster on AMD Ryzen
This commit is contained in:
SChernykh 2021-05-20 12:45:42 +02:00
parent 7f7b1fb073
commit ff82ca57f2
10 changed files with 16 additions and 69 deletions
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12
src/crypto/randomx/randomx.cpp
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@ -165,18 +165,6 @@ RandomX_ConfigurationBase::RandomX_ConfigurationBase()
const uint8_t* b = addr(randomx_sshash_end);
memcpy(codeShhPrefetchTweaked, a, b - a);
}
{
const uint8_t* a = addr(randomx_program_read_dataset);
const uint8_t* b = addr(randomx_program_read_dataset_ryzen);
memcpy(codeReadDatasetTweaked, a, b - a);
codeReadDatasetTweakedSize = b - a;
}
{
const uint8_t* a = addr(randomx_program_read_dataset_ryzen);
const uint8_t* b = addr(randomx_program_read_dataset_sshash_init);
memcpy(codeReadDatasetRyzenTweaked, a, b - a);
codeReadDatasetRyzenTweakedSize = b - a;
}
if (xmrig::Cpu::info()->hasBMI2()) {
const uint8_t* a = addr(randomx_prefetch_scratchpad_bmi2);
const uint8_t* b = addr(randomx_prefetch_scratchpad_end);