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| author | Nicholas Nethercote <n.nethercote@gmail.com> | 2024-08-08 17:18:20 +1000 |
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| committer | Nicholas Nethercote <n.nethercote@gmail.com> | 2024-08-09 14:33:25 +1000 |
| commit | e8ade24e14616a79add6d7d37e555b5d34f40e78 (patch) | |
| tree | e5ef9be65119758c9ec11b2cf05636a64cbc3cc5 /tests/codegen/patchable-function-entry | |
| parent | db83e29ab0d44bb0d953edd72488fd5ae7ebaa7c (diff) | |
| download | rust-e8ade24e14616a79add6d7d37e555b5d34f40e78.tar.gz rust-e8ade24e14616a79add6d7d37e555b5d34f40e78.zip | |
Shrink `TyKind::FnPtr`.
By splitting the `FnSig` within `TyKind::FnPtr` into `FnSigTys` and `FnHeader`, which can be packed more efficiently. This reduces the size of the hot `TyKind` type from 32 bytes to 24 bytes on 64-bit platforms. This reduces peak memory usage by a few percent on some benchmarks. It also reduces cache misses and page faults similarly, though this doesn't translate to clear cycles or wall-time improvements on CI.
Diffstat (limited to 'tests/codegen/patchable-function-entry')
0 files changed, 0 insertions, 0 deletions