performance improvement in cryptonight x86

This commit is contained in:
aegroto 2018-04-08 16:14:22 +02:00
parent 1c2b5acb2c
commit 5a5d71c623

View file

@ -234,7 +234,9 @@ static inline void cn_explode_scratchpad(const __m128i *input, __m128i *output)
xin6 = _mm_load_si128(input + 10);
xin7 = _mm_load_si128(input + 11);
for (size_t i = 0; i < MEM / sizeof(__m128i); i += 8) {
__m128i *outputTmpLimit = output + (MEM / sizeof(__m128i));
for (__m128i *outputTmp = output; outputTmp < outputTmpLimit; outputTmp += 8) {
aes_round<SOFT_AES>(k0, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
aes_round<SOFT_AES>(k1, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
aes_round<SOFT_AES>(k2, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
@ -246,14 +248,14 @@ static inline void cn_explode_scratchpad(const __m128i *input, __m128i *output)
aes_round<SOFT_AES>(k8, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
aes_round<SOFT_AES>(k9, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
_mm_store_si128(output + i + 0, xin0);
_mm_store_si128(output + i + 1, xin1);
_mm_store_si128(output + i + 2, xin2);
_mm_store_si128(output + i + 3, xin3);
_mm_store_si128(output + i + 4, xin4);
_mm_store_si128(output + i + 5, xin5);
_mm_store_si128(output + i + 6, xin6);
_mm_store_si128(output + i + 7, xin7);
_mm_store_si128(outputTmp, xin0);
_mm_store_si128(outputTmp + 1, xin1);
_mm_store_si128(outputTmp + 2, xin2);
_mm_store_si128(outputTmp + 3, xin3);
_mm_store_si128(outputTmp + 4, xin4);
_mm_store_si128(outputTmp + 5, xin5);
_mm_store_si128(outputTmp + 6, xin6);
_mm_store_si128(outputTmp + 7, xin7);
}
}
@ -275,16 +277,18 @@ static inline void cn_implode_scratchpad(const __m128i *input, __m128i *output)
xout6 = _mm_load_si128(output + 10);
xout7 = _mm_load_si128(output + 11);
for (size_t i = 0; i < MEM / sizeof(__m128i); i += 8)
__m128i *inputTmpLimit = (__m128i*) input + MEM / sizeof(__m128i);
for (__m128i *inputTmp = (__m128i*) input; inputTmp < inputTmpLimit; inputTmp += 8)
{
xout0 = _mm_xor_si128(_mm_load_si128(input + i + 0), xout0);
xout1 = _mm_xor_si128(_mm_load_si128(input + i + 1), xout1);
xout2 = _mm_xor_si128(_mm_load_si128(input + i + 2), xout2);
xout3 = _mm_xor_si128(_mm_load_si128(input + i + 3), xout3);
xout4 = _mm_xor_si128(_mm_load_si128(input + i + 4), xout4);
xout5 = _mm_xor_si128(_mm_load_si128(input + i + 5), xout5);
xout6 = _mm_xor_si128(_mm_load_si128(input + i + 6), xout6);
xout7 = _mm_xor_si128(_mm_load_si128(input + i + 7), xout7);
xout0 = _mm_xor_si128(_mm_load_si128(inputTmp), xout0);
xout1 = _mm_xor_si128(_mm_load_si128(inputTmp + 1), xout1);
xout2 = _mm_xor_si128(_mm_load_si128(inputTmp + 2), xout2);
xout3 = _mm_xor_si128(_mm_load_si128(inputTmp + 3), xout3);
xout4 = _mm_xor_si128(_mm_load_si128(inputTmp + 4), xout4);
xout5 = _mm_xor_si128(_mm_load_si128(inputTmp + 5), xout5);
xout6 = _mm_xor_si128(_mm_load_si128(inputTmp + 6), xout6);
xout7 = _mm_xor_si128(_mm_load_si128(inputTmp + 7), xout7);
aes_round<SOFT_AES>(k0, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
aes_round<SOFT_AES>(k1, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);