Signed-off-by: Nicolas Pitre <nico@xxxxxxx>
---
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 866e053..015910f 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -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.
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 7b6671f..dfa9842 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -1762,6 +1762,17 @@ 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);
}
-
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