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maintainer-scripts/gcc_release: compress xz in parallel

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1. This should speed up decompression for folks, as parallel xz
   creates a different archive which can be decompressed in parallel.

   Note that this different method is enabled by default in a new
   xz release coming shortly anyway (>= 5.3.3_alpha1).

   I build GCC regularly from the weekly snapshots
   and so the decompression time adds up.

2. It should speed up compression on the webserver a bit.

   Note that -T0 won't be the default in the new xz release,
   only the parallel compression mode (which enables parallel
   decompression).

   -T0 detects the number of cores available.

   So, if a different number of threads is preferred, it's fine
   to set e.g. -T2, etc.

Signed-off-by: Sam James <sam@gentoo.org>

	* gcc_release (XZ): Add -T0.
This commit is contained in:
Sam James 2022-11-08 07:14:38 +00:00 committed by Richard Sandiford
parent e1b503d706
commit 2650b6f914
1 changed files with 1 additions and 1 deletions
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maintainer-scripts/gcc_release
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@ -609,7 +609,7 @@ FILE_LIST=""
# Programs we use.
BZIP2="${BZIP2:-bzip2}"
XZ="${XZ:-xz --best}"
XZ="${XZ:-xz -T0 --best}"
CVS="${CVS:-cvs -f -Q -z9}"
DIFF="${DIFF:-diff -Nrcpad}"
ENV="${ENV:-env}"