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Much better software AES implementation (--av 4).

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This commit is contained in:
XMRig 2017-04-19 10:03:40 +03:00
parent 1013aa5004
commit 21c243ed8f
12 changed files with 359 additions and 1921 deletions
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43
algo/cryptonight/cryptonight_av3_aesni_bmi2.c
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@ -108,9 +108,12 @@ static inline void ExpandAESKey256(char *keybuf)
keys[14] = tmp1;
}
void cryptonight_av3_aesni_bmi2(void *restrict output, const void *restrict input, const char *restrict memory, struct cryptonight_ctx *restrict ctx)
{
keccak((const uint8_t *) input, 76, (uint8_t *) &ctx->state.hs, 200);
uint64_t* state = ctx->state.hs.w;
keccak((const uint8_t *)input, 76, (uint8_t *) state, 200);
uint8_t ExpandedKey[256];
size_t i, j;
@ -146,38 +149,32 @@ void cryptonight_av3_aesni_bmi2(void *restrict output, const void *restrict inpu
_mm_store_si128(&(longoutput[(i >> 4) + 7]), xmminput[7]);
}
for (i = 0; i < 2; i++)
{
ctx->a[i] = ((uint64_t *)ctx->state.k)[i] ^ ((uint64_t *)ctx->state.k)[i+4];
ctx->b[i] = ((uint64_t *)ctx->state.k)[i+2] ^ ((uint64_t *)ctx->state.k)[i+6];
}
__m128i a_x = _mm_load_si128((__m128i *) &memory[ctx->a[0] & 0x1FFFF0]);
__m128i b_x = _mm_load_si128((__m128i *) ctx->b);
uint64_t c[2] __attribute((aligned(16)));
uint64_t a[2] __attribute((aligned(16))) = { state[0] ^ state[4], state[1] ^ state[5] };
uint64_t c __attribute((aligned(16)));
uint64_t d[2] __attribute((aligned(16)));
uint64_t hi;
for (i = 0; __builtin_expect(i < 0x80000, 1); i++) {
__m128i c_x = _mm_aesenc_si128(a_x, _mm_load_si128((__m128i *) ctx->a));
_mm_store_si128((__m128i *) c, c_x);
__m128i a_x = _mm_load_si128((__m128i *) &memory[a[0] & 0x1FFFF0]);
__m128i b_x = _mm_set_epi64x(state[3] ^ state[7], state[2] ^ state[6]);
uint64_t *restrict d_ptr = (uint64_t *) &memory[c[0] & 0x1FFFF0];
_mm_store_si128((__m128i *) &memory[ctx->a[0] & 0x1FFFF0], _mm_xor_si128(b_x, c_x));
for (i = 0; __builtin_expect(i < 0x80000, 1); i++) {
__m128i c_x = _mm_aesenc_si128(a_x, _mm_load_si128((__m128i *) a));
c = _mm_cvtsi128_si64(c_x);
uint64_t *restrict d_ptr = (uint64_t *) &memory[c & 0x1FFFF0];
_mm_store_si128((__m128i *) &memory[a[0] & 0x1FFFF0], _mm_xor_si128(b_x, c_x));
b_x = c_x;
d[0] = d_ptr[0];
d[1] = d_ptr[1];
d_ptr[1] = ctx->a[1] += _mulx_u64(c[0], d[0], &hi);
d_ptr[0] = ctx->a[0] += hi;
d_ptr[1] = a[1] += _mulx_u64(c, d[0], &hi);
d_ptr[0] = a[0] += hi;
ctx->a[0] ^= d[0];
ctx->a[1] ^= d[1];
a_x = _mm_load_si128((__m128i *) &memory[ctx->a[0] & 0x1FFFF0]);
a[0] ^= d[0];
a[1] ^= d[1];
a_x = _mm_load_si128((__m128i *) &memory[a[0] & 0x1FFFF0]);
}
memcpy(ctx->text, ctx->state.init, INIT_SIZE_BYTE);
@ -209,6 +206,6 @@ void cryptonight_av3_aesni_bmi2(void *restrict output, const void *restrict inpu
}
memcpy(ctx->state.init, ctx->text, INIT_SIZE_BYTE);
keccakf((uint64_t *) &ctx->state.hs, 24);
keccakf((uint64_t *) state, 24);
extra_hashes[ctx->state.hs.b[0] & 3](&ctx->state, 200, output);
}