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Author SHA1 Message Date
John Ericson
beed00c04e absPath: just take a std::string_view 
1. Slightly more efficient

2. Easier to call

Co-authored-by: Cole Helbling <cole.e.helbling@outlook.com>
 2024-01-15 08:21:54 -05:00
pennae
2cfc4ace35 malloc/memset even less 
more buffers that can be uninitialized and on the stack. small
difference, but still worth doing.

before:

Benchmark 1: nix eval --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'
  Time (mean ± σ):      6.963 s ±  0.011 s    [User: 5.330 s, System: 1.421 s]
  Range (min … max):    6.943 s …  6.974 s    10 runs

after:

Benchmark 1: nix eval --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'
  Time (mean ± σ):      6.952 s ±  0.015 s    [User: 5.294 s, System: 1.452 s]
  Range (min … max):    6.926 s …  6.974 s    10 runs
 2023-12-30 00:45:11 +01:00
John Ericson
ac89bb064a Split up util.{hh,cc} 
All OS and IO operations should be moved out, leaving only some misc
portable pure functions.

This is useful to avoid copious CPP when doing things like Windows and
Emscripten ports.

Newly exposed functions to break cycles:

 - `restoreSignals`
 - `updateWindowSize`
 2023-11-05 12:20:02 -05:00