travis/pypy: set NWORKERS=4

.travis.yml

@@ -5,7 +5,7 @@ python:
  - "3.3"
  - "pypy"
 script:
- - if [[ $TRAVIS_PYTHON_VERSION == 'pypy' ]]; then PYTHON=pypy make travis_pypy; fi
- - if [[ $TRAVIS_PYTHON_VERSION != 'pypy' ]]; then PYTHON=python$TRAVIS_PYTHON_VERSION make travis_cpython; fi
+ - if [[ $TRAVIS_PYTHON_VERSION == 'pypy' ]]; then NWORKERS=4 PYTHON=pypy make travis_pypy; fi
+ - if [[ $TRAVIS_PYTHON_VERSION != 'pypy' ]]; then NWORKERS=4 PYTHON=python$TRAVIS_PYTHON_VERSION make travis_cpython; fi
 notifications:
   email: false

Makefile

@@ -63,7 +63,7 @@ travis_pypy:
 	which ${PYTHON}
 	${PYTHON} --version
 	${PYTHON} setup.py install
-	NWORKERS=1 cd greentest && ${PYTHON} testrunner.py --config ../known_failures.py
+	cd greentest && ${PYTHON} testrunner.py --config ../known_failures.py
 
 travis_cpython:
 	make whitespace

greentest/testrunner.py

@@ -14,7 +14,7 @@ from util import log
 
 
 TIMEOUT = 180
-NWORKERS = int(os.environ.get('NWORKERS') or 8)
+NWORKERS = int(os.environ.get('NWORKERS') or 4)
 
 
 def run_many(tests, expected=None, failfast=False):