diff options
| author | Junio C Hamano <gitster@pobox.com> | 2008-12-29 01:21:33 -0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2008-12-29 01:21:33 -0800 |
| commit | 78d4096d573ae796f72e5b05bf1c332f038e54dd (patch) | |
| tree | ccf6e1a04397f44f55497a51466336582473f3c8 | |
| parent | 373654ee0f568fdeab891c621d6a1ac6b0c15d3a (diff) | |
| parent | 1415be8f0f86c6d2aa2cb014c3cc32dd92e9c43a (diff) | |
| download | git-78d4096d573ae796f72e5b05bf1c332f038e54dd.tar.gz | |
Merge branch 'np/auto-thread'
* np/auto-thread:
Force t5302 to use a single thread
pack-objects: don't use too many threads with few objects
autodetect number of CPUs by default when using threads
| -rw-r--r-- | builtin-pack-objects.c | 9 | ||||
| -rwxr-xr-x | t/t5302-pack-index.sh | 1 |
2 files changed, 9 insertions, 1 deletions
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index cedef52fd3..e8515348be 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -78,7 +78,7 @@ static int progress = 1; static int window = 10; static uint32_t pack_size_limit, pack_size_limit_cfg; static int depth = 50; -static int delta_search_threads = 1; +static int delta_search_threads; static int pack_to_stdout; static int num_preferred_base; static struct progress *progress_state; @@ -1612,11 +1612,18 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size, find_deltas(list, &list_size, window, depth, processed); return; } + if (progress > pack_to_stdout) + fprintf(stderr, "Delta compression using %d threads.\n", + delta_search_threads); /* Partition the work amongst work threads. */ for (i = 0; i < delta_search_threads; i++) { unsigned sub_size = list_size / (delta_search_threads - i); + /* don't use too small segments or no deltas will be found */ + if (sub_size < 2*window && i+1 < delta_search_threads) + sub_size = 0; + p[i].window = window; p[i].depth = depth; p[i].processed = processed; diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh index 884e24253a..e6f70d474f 100755 --- a/t/t5302-pack-index.sh +++ b/t/t5302-pack-index.sh @@ -10,6 +10,7 @@ test_expect_success \ 'setup' \ 'rm -rf .git git init && + git config pack.threads 1 && i=1 && while test $i -le 100 do |