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Pooled allocation of RandomX VMs

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+0.5% speedup on Zen2 when the whole L3 cache is used (16 threads on 3700X/3800X, 32 threads on 3950X).
This commit is contained in:
SChernykh
2020-04-07 18:31:35 +02:00
parent 7f01c5c6f3
commit 6ae37a9519
11 changed files with 68 additions and 61 deletions
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12
src/crypto/randomx/vm_interpreted.hpp
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@@ -49,16 +49,8 @@ namespace randomx {
using VmBase<softAes>::datasetPtr;
using VmBase<softAes>::datasetOffset;
void* operator new(size_t size) {
void* ptr = AlignedAllocator<CacheLineSize>::allocMemory(size);
if (ptr == nullptr)
throw std::bad_alloc();
return ptr;
}
void operator delete(void* ptr) {
AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(InterpretedVm));
}
void* operator new(size_t, void* ptr) { return ptr; }
void operator delete(void*) {}
void run(void* seed) override;
void setDataset(randomx_dataset* dataset) override;