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-rw-r--r--railties/lib/rails/generators/rails/app/templates/test/test_helper.rb.tt6
1 files changed, 3 insertions, 3 deletions
diff --git a/railties/lib/rails/generators/rails/app/templates/test/test_helper.rb.tt b/railties/lib/rails/generators/rails/app/templates/test/test_helper.rb.tt
index c918b57eca..47b4cf745c 100644
--- a/railties/lib/rails/generators/rails/app/templates/test/test_helper.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/test/test_helper.rb.tt
@@ -4,10 +4,10 @@ require 'rails/test_help'
class ActiveSupport::TestCase
# Run tests in parallel with specified workers
-<% if defined?(JRUBY_VERSION) -%>
- parallelize(workers: 2, with: :threads)
+<% if defined?(JRUBY_VERSION) || Gem.win_platform? -%>
+ parallelize(workers: :number_of_processors, with: :threads)
<%- else -%>
- parallelize(workers: 2)
+ parallelize(workers: :number_of_processors)
<% end -%>
<% unless options[:skip_active_record] -%>