in ppo_ewma/logger.py [0:0]
def profile_kv(scopename, sync_cuda=False):
if sync_cuda:
_sync_cuda()
logkey = "wait_" + scopename
tstart = time.time()
try:
yield
finally:
if sync_cuda:
_sync_cuda()
get_current().name2val[logkey] += time.time() - tstart