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io::println allocates on the GC heap #3558

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pcwalton opened this issue Sep 23, 2012 · 3 comments
Closed

io::println allocates on the GC heap #3558

pcwalton opened this issue Sep 23, 2012 · 3 comments
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I-slow Problems and improvements with respect to performance of generated code.

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@pcwalton
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This is pretty bad. It's due to boxed traits.

@jruderman
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Will #3157 fix this?

@catamorphism
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This is still true, but should be easy to fix. Nominating for milestone 5, production-ready.

@graydon
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graydon commented Jun 20, 2013

dupe / completely-absorbed-by #4248

@graydon graydon closed this as completed Jun 20, 2013
bors pushed a commit to rust-lang-ci/rust that referenced this issue May 15, 2021
Add option to run a test only on nightly
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Labels
I-slow Problems and improvements with respect to performance of generated code.
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4 participants