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Tuned JIT compiler

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0.3-0.4% speedup depending on CPU.
This commit is contained in:
SChernykh 2020-02-20 20:59:22 +01:00
parent 887c891ab2
commit 0caeb41bff
6 changed files with 61 additions and 15 deletions
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23
src/crypto/randomx/aes_hash.cpp
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@ -234,7 +234,7 @@ void hashAndFillAes1Rx4(void *scratchpad, size_t scratchpadSize, void *hash, voi
rx_vec_i128 fill_state2 = rx_load_vec_i128((rx_vec_i128*)fill_state + 2);
rx_vec_i128 fill_state3 = rx_load_vec_i128((rx_vec_i128*)fill_state + 3);
constexpr int PREFETCH_DISTANCE = 4096;
constexpr int PREFETCH_DISTANCE = 7168;
const char* prefetchPtr = ((const char*)scratchpad) + PREFETCH_DISTANCE;
scratchpadEnd -= PREFETCH_DISTANCE;
@ -258,8 +258,25 @@ void hashAndFillAes1Rx4(void *scratchpad, size_t scratchpadSize, void *hash, voi
rx_prefetch_t0(prefetchPtr);
scratchpadPtr += 64;
prefetchPtr += 64;
hash_state0 = aesenc<softAes>(hash_state0, rx_load_vec_i128((rx_vec_i128*)scratchpadPtr + 4));
hash_state1 = aesdec<softAes>(hash_state1, rx_load_vec_i128((rx_vec_i128*)scratchpadPtr + 5));
hash_state2 = aesenc<softAes>(hash_state2, rx_load_vec_i128((rx_vec_i128*)scratchpadPtr + 6));
hash_state3 = aesdec<softAes>(hash_state3, rx_load_vec_i128((rx_vec_i128*)scratchpadPtr + 7));
fill_state0 = aesdec<softAes>(fill_state0, key0);
fill_state1 = aesenc<softAes>(fill_state1, key1);
fill_state2 = aesdec<softAes>(fill_state2, key2);
fill_state3 = aesenc<softAes>(fill_state3, key3);
rx_store_vec_i128((rx_vec_i128*)scratchpadPtr + 4, fill_state0);
rx_store_vec_i128((rx_vec_i128*)scratchpadPtr + 5, fill_state1);
rx_store_vec_i128((rx_vec_i128*)scratchpadPtr + 6, fill_state2);
rx_store_vec_i128((rx_vec_i128*)scratchpadPtr + 7, fill_state3);
rx_prefetch_t0(prefetchPtr + 64);
scratchpadPtr += 128;
prefetchPtr += 128;
}
prefetchPtr = (const char*) scratchpad;
scratchpadEnd += PREFETCH_DISTANCE;