Faster clang-format (#28086)

* use parallelism to speed clang-format performance * use parallelism to speed clang-format performance
3 years ago · 6001ea84b9
parent 89d08dad9d
commit 6001ea84b9
1 changed files with 4 additions and 1 deletions
--- a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
+++ b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
@ -24,6 +24,9 @@ GLOB="*.h *.c *.cc *.m *.mm"
 # clang format command
 CLANG_FORMAT=${CLANG_FORMAT:-clang-format}

+# number of CPUs available
+CPU_COUNT=`nproc`
+
 files=
 for dir in $DIRS
 do
@ -41,7 +44,7 @@ fi

 if [ "$TEST" == "" ]
 then
-  echo $files | xargs $CLANG_FORMAT -i
+  echo $files | xargs -P $CPU_COUNT -n 10 $CLANG_FORMAT -i
 else
  ok=yes
  for file in $files