Use a newtype_index! within Symbol.
#56699
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oli-obk
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@bors try |
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Use a `newtype_index!` within `Symbol`. This shrinks `Option<Symbol>` from 8 bytes to 4 bytes, which shrinks `Token` from 24 bytes to 16 bytes. This reduces instruction counts by up to 1% across a range of benchmarks. r? @oli-obk
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@rust-timer build dbbd519 |
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Success: Queued dbbd519 with parent 4c0116e, comparison URL. |
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☀️ Test successful - status-travis |
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Finished benchmarking try commit dbbd519 |
This shrinks `Option<Symbol>` from 8 bytes to 4 bytes, which shrinks `Token` from 24 bytes to 16 bytes. This reduces instruction counts by up to 1% across a range of benchmarks.
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@oli-obk: As mentioned above, |
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@bors r+ |
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📌 Commit 0f68749 has been approved by |
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Use a `newtype_index!` within `Symbol`. This shrinks `Option<Symbol>` from 8 bytes to 4 bytes, which shrinks `Token` from 24 bytes to 16 bytes. This reduces instruction counts by up to 1% across a range of benchmarks. r? @oli-obk
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Use a `newtype_index!` within `Symbol`. This shrinks `Option<Symbol>` from 8 bytes to 4 bytes, which shrinks `Token` from 24 bytes to 16 bytes. This reduces instruction counts by up to 1% across a range of benchmarks. r? @oli-obk
kennytm
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Use a `newtype_index!` within `Symbol`. This shrinks `Option<Symbol>` from 8 bytes to 4 bytes, which shrinks `Token` from 24 bytes to 16 bytes. This reduces instruction counts by up to 1% across a range of benchmarks. r? @oli-obk
This was referenced Dec 14, 2018
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Rollup of 14 pull requests (first batch) Successful merges: - #56562 (Update libc version required by rustc) - #56609 (Unconditionally emit the target-cpu LLVM attribute.) - #56637 (rustdoc: Fix local reexports of proc macros) - #56658 (Add non-panicking `maybe_new_parser_from_file` variant) - #56695 (Fix irrefutable matches on integer ranges) - #56699 (Use a `newtype_index!` within `Symbol`.) - #56702 ([self-profiler] Add column for percent of total time) - #56708 (Remove some unnecessary feature gates) - #56709 (Remove unneeded extra chars to reduce search-index size) - #56744 (specialize: remove Boxes used by Children::insert) - #56748 (Update panic message to be clearer about env-vars) - #56749 (x86: Add the `adx` target feature to whitelist) - #56756 (Disable btree pretty-printers on older gdbs) - #56789 (rustc: Add an unstable `simd_select_bitmask` intrinsic) r? @ghost
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This shrinks
Option<Symbol>from 8 bytes to 4 bytes, which shrinksTokenfrom 24 bytes to 16 bytes. This reduces instruction counts by upto 1% across a range of benchmarks.
r? @oli-obk