gitlab-ci: set the number of Fossilize threads to 4

The shared runners are set up for concurrent jobs ~= CPUs / 4 (x86)
or 8 (ARM).

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5627>

diff --git a/.gitlab-ci/fossils/fossils.sh b/.gitlab-ci/fossils/fossils.sh
index fa49efc..d951a7e 100755 (executable)
--- a/.gitlab-ci/fossils/fossils.sh
+++ b/.gitlab-ci/fossils/fossils.sh
@@ -64,7 +64,7 @@ create_clean_git
 for fossil in $(query_fossils_yaml fossils)
 do
     fetch_fossil "$fossil" || exit $?
-    fossilize-replay $fossil || exit $?
+    fossilize-replay --num-threads 4 $fossil || exit $?
     rm $fossil
 done