Make dump_{alloc,allocs,local}() no-ops when tracing is disabled.#50246
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bors merged 1 commit intorust-lang:masterfrom Apr 27, 2018
Merged
Make dump_{alloc,allocs,local}() no-ops when tracing is disabled.#50246bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
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Because they traverse data structures and build up strings, which is wasted effort if those strings aren't printed. The patch also removes some now-unnecessary log_enabled! tests at call sites.
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@bors r+ |
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📌 Commit 2e4f66a has been approved by |
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…Simulacrum
Make dump_{alloc,allocs,local}() no-ops when tracing is disabled.
Because they traverse data structures and build up strings, which is
wasted effort if those strings aren't printed.
The patch also removes some now-unnecessary log_enabled! tests at call
sites.
This is a big win for the Debug and Opt runs of coercions, tuple-stress, html5ever, and encoding.
```
coercions-opt
avg: -7.8% min: -14.8% max: 0.1%
coercions
avg: -8.0% min: -12.8% max: 0.1%
tuple-stress
avg: -7.2% min: -10.8% max: -0.7%
tuple-stress-opt
avg: -6.9% min: -10.7% max: 0.6%
html5ever
avg: -4.6% min: -7.3% max: -0.3%
encoding
avg: -2.4% min: -4.5% max: 0.1%
html5ever-opt
avg: -2.7% min: -4.2% max: -0.2%
encoding-opt
avg: -1.4% min: -2.4% max: 0.0%
```
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Apr 27, 2018
Rollup of 7 pull requests Successful merges: - #49707 (Add "the Rustc book") - #50222 (Bump bootstrap compiler to 2018-04-24) - #50227 (Fix ICE with erroneous `impl Trait` in a trait impl) - #50229 (Add setting to go to item if there is only one result) - #50231 (Add more doc aliases) - #50246 (Make dump_{alloc,allocs,local}() no-ops when tracing is disabled.) - #49894 (Rename InternedString to LocalInternedString and introduce a new thread-safe InternedString) Failed merges:
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cc @oli-obk |
This was referenced Apr 16, 2019
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Because they traverse data structures and build up strings, which is
wasted effort if those strings aren't printed.
The patch also removes some now-unnecessary log_enabled! tests at call
sites.
This is a big win for the Debug and Opt runs of coercions, tuple-stress, html5ever, and encoding.