Merge pull request grpc#3709 from jtattermusch/win_jenkins_adjustments

Reduce parallelism for windows build
narzolliam · Oct 7, 2015 · 854dca5 · 854dca5
2 parents 504cc5e + 47eeb2b
commit 854dca5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
@@ -584,7 +584,9 @@ def runs_per_test_type(arg_str):
  def make_jobspec(cfg, targets, makefile='Makefile'):
  extra_args = []
  # better do parallel compilation
- extra_args.extend(["/m"])
+ # empirically /m:2 gives the best performance/price and should prevent
+ # overloading the windows workers.
+ extra_args.extend(["/m:2"])
  # disable PDB generation: it's broken, and we don't need it during CI
  extra_args.extend(["/p:Jenkins=true"])
  return [