index-pack: support multithreaded delta resolving

[thirdparty/git.git] / Documentation / git-index-pack.txt

diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt
index 909687fed4269d8ad2e02b90d5a1f56fbcfde40e..39e6d0ddd84eeeacf43f41e0807cc1e305089ed0 100644 (file)
--- a/Documentation/git-index-pack.txt
+++ b/Documentation/git-index-pack.txt
@@ -74,6 +74,16 @@ OPTIONS
 --strict::
        Die, if the pack contains broken objects or links.
 
+--threads=<n>::
+       Specifies the number of threads to spawn when resolving
+       deltas. This requires that index-pack 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.
+       Specifying 0 will cause git to auto-detect the number of CPU's
+       and use maximum 3 threads.
+
 
 Note
 ----