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52aa36249e
- to formally match the specification - a small increase in interpreted mining speed (~4%)
62 lines
2.6 KiB
C++
62 lines
2.6 KiB
C++
/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <new>
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#include "vm_interpreted.hpp"
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namespace randomx {
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template<class Allocator, bool softAes>
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class InterpretedLightVm : public InterpretedVm<Allocator, softAes> {
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public:
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using VmBase<Allocator, softAes>::mem;
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using VmBase<Allocator, softAes>::cachePtr;
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void* operator new(size_t size) {
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void* ptr = AlignedAllocator<CacheLineSize>::allocMemory(size);
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if (ptr == nullptr)
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throw std::bad_alloc();
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return ptr;
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}
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void operator delete(void* ptr) {
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AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(InterpretedLightVm));
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}
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void setDataset(randomx_dataset* dataset) override { }
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void setCache(randomx_cache* cache) override;
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protected:
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void datasetRead(uint64_t address, int_reg_t(&r)[8]) override;
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void datasetPrefetch(uint64_t address) override { }
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};
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using InterpretedLightVmDefault = InterpretedLightVm<AlignedAllocator<CacheLineSize>, true>;
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using InterpretedLightVmHardAes = InterpretedLightVm<AlignedAllocator<CacheLineSize>, false>;
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using InterpretedLightVmLargePage = InterpretedLightVm<LargePageAllocator, true>;
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using InterpretedLightVmLargePageHardAes = InterpretedLightVm<LargePageAllocator, false>;
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}
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