Optimize logging codegen #276
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The extra work involved in loading the logger and creating the record
struct involves move codegen than is necessary if we take this kind of
approach (which we previously used in 0.3). It's a bit unfortunate to
have these public-but-not-public functions, but I think it's worth it.
We want to minimize the footprint of logging so people feel comfortable
using it!
A main function containing nothing but `warn!("hello world")` shrinks
from 204 bytes to 124 bytes in x86_64 with this change.
Closes rust-lang#275
|
r? @KodrAus |
KodrAus
approved these changes
Jun 3, 2018
|
I generally like to use git-blame for that kind of background, but it also seems fine to add. |
|
git-blame seems reasonable to me 👍 |
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The extra work involved in loading the logger and creating the record
struct involves move codegen than is necessary if we take this kind of
approach (which we previously used in 0.3). It's a bit unfortunate to
have these public-but-not-public functions, but I think it's worth it.
We want to minimize the footprint of logging so people feel comfortable
using it!
A main function containing nothing but
warn!("hello world")shrinksfrom 204 bytes to 124 bytes in x86_64 with this change.
Closes #275