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CPU/CodeCache: Increase frame delta for manual protected blocks

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Reduces stutter in Wild Arms 2.
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Stenzek 2024-02-24 15:06:22 +10:00
parent 35cdfc5ef7
commit ff9dc11a38
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1 changed files with 2 additions and 2 deletions
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src/core/cpu_code_cache.cpp
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@ -36,14 +36,14 @@ using PageProtectionArray = std::array<PageProtectionInfo, Bus::RAM_8MB_CODE_PAG
using BlockInstructionInfoPair = std::pair<Instruction, InstructionInfo>; using BlockInstructionInfoPair = std::pair<Instruction, InstructionInfo>;
using BlockInstructionList = std::vector<BlockInstructionInfoPair>; using BlockInstructionList = std::vector<BlockInstructionInfoPair>;
// Switch to manual protection if we invalidate more than 4 times within 20 frames. // Switch to manual protection if we invalidate more than 4 times within 60 frames.
// Fall blocks back to interpreter if we recompile more than 3 times within 15 frames. // Fall blocks back to interpreter if we recompile more than 3 times within 15 frames.
// The interpreter fallback is set before the manual protection switch, so that if it's just a single block // The interpreter fallback is set before the manual protection switch, so that if it's just a single block
// which is constantly getting mutated, we won't hurt the performance of the rest in the page. // which is constantly getting mutated, we won't hurt the performance of the rest in the page.
static constexpr u32 RECOMPILE_COUNT_FOR_INTERPRETER_FALLBACK = 3; static constexpr u32 RECOMPILE_COUNT_FOR_INTERPRETER_FALLBACK = 3;
static constexpr u32 RECOMPILE_FRAMES_FOR_INTERPRETER_FALLBACK = 15; static constexpr u32 RECOMPILE_FRAMES_FOR_INTERPRETER_FALLBACK = 15;
static constexpr u32 INVALIDATE_COUNT_FOR_MANUAL_PROTECTION = 4; static constexpr u32 INVALIDATE_COUNT_FOR_MANUAL_PROTECTION = 4;
static constexpr u32 INVALIDATE_FRAMES_FOR_MANUAL_PROTECTION = 20; static constexpr u32 INVALIDATE_FRAMES_FOR_MANUAL_PROTECTION = 60;
static CodeLUT DecodeCodeLUTPointer(u32 slot, CodeLUT ptr); static CodeLUT DecodeCodeLUTPointer(u32 slot, CodeLUT ptr);
static CodeLUT EncodeCodeLUTPointer(u32 slot, CodeLUT ptr); static CodeLUT EncodeCodeLUTPointer(u32 slot, CodeLUT ptr);