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Faster Keccak code (BMI instructions)

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This commit is contained in:
SChernykh
2024-05-30 23:11:14 +02:00
parent 33e1ebd3fe
commit bd6f68790e
9 changed files with 194 additions and 5 deletions
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19
src/keccak.cpp
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@@ -17,6 +17,9 @@
#include "common.h"
#include "keccak.h"
#ifdef WITH_RANDOMX
#include "RandomX/src/cpu.hpp"
#endif
namespace p2pool {
@@ -24,7 +27,7 @@ namespace p2pool {
#define ROTL64(x, y) (((x) << (y)) | ((x) >> (64 - (y))))
#endif
static const uint64_t keccakf_rndc[24] =
const uint64_t keccakf_rndc[24] =
{
0x0000000000000001, 0x0000000000008082, 0x800000000000808a,
0x8000000080008000, 0x000000000000808b, 0x0000000080000001,
@@ -36,7 +39,7 @@ static const uint64_t keccakf_rndc[24] =
0x8000000000008080, 0x0000000080000001, 0x8000000080008008
};
NOINLINE void keccakf(std::array<uint64_t, 25>& st)
NOINLINE void keccakf_plain(std::array<uint64_t, 25>& st)
{
for (int round = 0; round < KeccakParams::ROUNDS; ++round) {
uint64_t bc[5];
@@ -115,6 +118,18 @@ NOINLINE void keccakf(std::array<uint64_t, 25>& st)
}
}
void (*keccakf)(std::array<uint64_t, 25>&) = keccakf_plain;
#if defined(WITH_RANDOMX) && (defined(__x86_64__) || defined(_M_AMD64))
static struct KeccakBMI_Check {
KeccakBMI_Check() {
if (randomx::Cpu().hasBmi()) {
keccakf = keccakf_bmi;
}
}
} keccak_bmi_check;
#endif
NOINLINE void keccak_step(const uint8_t* &in, int &inlen, std::array<uint64_t, 25>& st)
{
constexpr int rsiz = KeccakParams::HASH_DATA_AREA;