threaded delta search: add pack.threads config variable

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nicolas Pitre 2007-09-10 11:51:34 -04:00 committed by Junio C Hamano
parent b81d9af71e
commit 693b86fffb
2 changed files with 20 additions and 1 deletions

View file

@ -630,9 +630,17 @@ pack.deltaCacheSize::
A value of 0 means no limit. Defaults to 0.
pack.deltaCacheLimit::
The maxium size of a delta, that is cached in
The maximum size of a delta, that is cached in
gitlink:git-pack-objects[1]. Defaults to 1000.
pack.threads::
Specifies the number of threads to spawn when searching for best
delta matches. This requires that gitlink:git-pack-objects[1]
be compiled with pthreads otherwise this option is ignored with a
warning. This is meant to reduce packing time on multiprocessor
machines. The required amount of memory for the delta search window
is however multiplied by the number of threads.
pull.octopus::
The default merge strategy to use when pulling multiple branches
at once.

View file

@ -1746,6 +1746,17 @@ static int git_pack_config(const char *k, const char *v)
cache_max_small_delta_size = git_config_int(k, v);
return 0;
}
if (!strcmp(k, "pack.threads")) {
delta_search_threads = git_config_int(k, v);
if (delta_search_threads < 1)
die("invalid number of threads specified (%d)",
delta_search_threads);
#ifndef THREADED_DELTA_SEARCH
if (delta_search_threads > 1)
warning("no threads support, ignoring %s", k);
#endif
return 0;
}
return git_default_config(k, v);
}