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Added ISWAP instruction

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Scratchpad -> 2 MiB
New scratchpad initialization
New dataset initialization
This commit is contained in:
tevador
2019-02-04 17:07:00 +01:00
parent 20eb549725
commit 1ee94bef2a
23 changed files with 528 additions and 290 deletions
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src/dataset.cpp
+28 -32
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@@ -28,10 +28,11 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include "Cache.hpp"
#include "virtualMemory.hpp"
#include "softAes.h"
#include "squareHash.h"
#if defined(__SSE2__)
#include <wmmintrin.h>
#define PREFETCH(memory) _mm_prefetch((const char *)((memory).ds.dataset + (memory).ma), _MM_HINT_NTA)
#define PREFETCHNTA(x) _mm_prefetch((const char *)(x), _MM_HINT_NTA)
#else
#define PREFETCH(memory)
#endif
@@ -49,42 +50,37 @@ namespace RandomX {
template<bool soft>
void initBlock(const uint8_t* intermediate, uint8_t* out, uint32_t blockNumber, const KeysContainer& keys) {
__m128i x0, x1, x2, x3;
uint64_t r0, r1, r2, r3, r4, r5, r6, r7;
__m128i* xit = (__m128i*)intermediate;
__m128i* xout = (__m128i*)out;
r0 = 4ULL * blockNumber;
r1 = r2 = r3 = r4 = r5 = r6 = r7 = 0;
x0 = _mm_cvtsi32_si128(blockNumber);
constexpr int mask = (CacheSize / CacheLineSize) - 1;
constexpr int mask = (CacheSize - 1) & -64;
for (auto i = 0; i < DatasetIterations; ++i) {
x0 = aesenc<soft>(x0, keys[0]);
//x0 = aesenc<soft>(x0, keys[1]);
x1 = aesenc<soft>(x0, keys[2]);
//x1 = aesenc<soft>(x1, keys[3]);
x2 = aesenc<soft>(x1, keys[4]);
//x2 = aesenc<soft>(x2, keys[5]);
x3 = aesenc<soft>(x2, keys[6]);
//x3 = aesenc<soft>(x3, keys[7]);
int index = _mm_cvtsi128_si32(x3);
index &= mask;
__m128i t0 = _mm_load_si128(xit + 4 * index + 0);
__m128i t1 = _mm_load_si128(xit + 4 * index + 1);
__m128i t2 = _mm_load_si128(xit + 4 * index + 2);
__m128i t3 = _mm_load_si128(xit + 4 * index + 3);
x0 = _mm_xor_si128(x0, t0);
x1 = _mm_xor_si128(x1, t1);
x2 = _mm_xor_si128(x2, t2);
x3 = _mm_xor_si128(x3, t3);
uint64_t* mix = (uint64_t*)(intermediate + (r0 & mask));
PREFETCHNTA(mix);
r0 = squareHash(r0);
r0 ^= mix[0];
r1 ^= mix[1];
r2 ^= mix[2];
r3 ^= mix[3];
r4 ^= mix[4];
r5 ^= mix[5];
r6 ^= mix[6];
r7 ^= mix[7];
}
_mm_store_si128(xout + 0, x0);
_mm_store_si128(xout + 1, x1);
_mm_store_si128(xout + 2, x2);
_mm_store_si128(xout + 3, x3);
uint64_t* out64 = (uint64_t*)out;
out64[0] = r0;
out64[1] = r1;
out64[2] = r2;
out64[3] = r3;
out64[4] = r4;
out64[5] = r5;
out64[6] = r6;
out64[7] = r7;
}
template
@@ -98,7 +94,7 @@ namespace RandomX {
memory.mx ^= addr;
memory.mx &= -64; //align to cache line
std::swap(memory.mx, memory.ma);
PREFETCH(memory);
PREFETCHNTA(memory.ds.dataset + memory.ma);
for (int i = 0; i < RegistersCount; ++i)
reg.r[i].u64 ^= datasetLine[i];
}