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Code Issues Activity

cat: Improve performance on Linux (#1978)

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* cat: Improve performance, especially on Linux

* cat: Don't use io::copy for splice fallback

On my MacBook Pro 2020, it is around 25% faster to not use io::copy.

* cat: Only fall back to generic copy if first splice fails

* cat: Don't double buffer stdout

* cat: Don't use experimental or-pattern syntax

* cat: Remove nix symbol use from non-Linux
This commit is contained in:
Árni Dagur 2021-04-01 21:08:48 +00:00 • committed by GitHub
parent 2941dfd698
commit 7a947cfe46
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3 changed files with 255 additions and 175 deletions
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Cargo.lock generated
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@ -1,5 +1,7 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "advapi32-sys"
version = "0.2.0"
@ -1581,7 +1583,8 @@ name = "uu_cat"
version = "0.0.4"
dependencies = [
"clap",
"quick-error",
"nix 0.20.0",
"thiserror",
"unix_socket",
"uucore",
"uucore_procs",