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RandomX: optimized soft AES code

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Unrolled loop was 5-10% slower depending on CPU.
This commit is contained in:
SChernykh 2020-09-29 21:22:11 +02:00
parent dfab81e9fa
commit 7b4f768114
1 changed files with 9 additions and 6 deletions
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15
src/crypto/randomx/aes_hash.cpp
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@ -270,19 +270,22 @@ void hashAndFillAes1Rx4(void *scratchpad, size_t scratchpadSize, void *hash, voi
rx_prefetch_t0(prefetchPtr);
rx_prefetch_t0(prefetchPtr + 64);
scratchpadPtr += 128;
prefetchPtr += 128;
break;
default:
HASH_STATE(0);
FILL_STATE(0);
rx_prefetch_t0(prefetchPtr);
HASH_STATE(1);
FILL_STATE(1);
rx_prefetch_t0(prefetchPtr + 64);
}
scratchpadPtr += 64;
prefetchPtr += 64;
scratchpadPtr += 128;
prefetchPtr += 128;
break;
}
}
prefetchPtr = (const char*) scratchpad;
scratchpadEnd += PREFETCH_DISTANCE;