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https://github.com/fergalmoran/ladybird.git
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e9081a2644
This patch adds a BlockAllocator to the GC heap where we now cache up to 64 HeapBlock-sized mmap's that get recycled when allocating HeapBlocks. This improves test-js runtime performance by ~35%, pretty cool! :^)
29 lines
445 B
C++
29 lines
445 B
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Vector.h>
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#include <LibJS/Forward.h>
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namespace JS {
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class BlockAllocator {
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public:
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BlockAllocator();
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~BlockAllocator();
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void* allocate_block(char const* name);
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void deallocate_block(void*);
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private:
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static constexpr size_t max_cached_blocks = 64;
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Vector<void*> m_blocks;
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};
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}
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