Python更快的文件编写和压缩

Question

with gzip.open(sys.argv[1] + ".json.gz", mode="w") as outfile:
    s = json.dumps(data, indent=2, ensure_ascii=False)
    print "JSON.DUMP", round(time.time() - start_time_2), "s"
    s = s.encode('utf-8')
    print "Encode.utf8", round(time.time() - start_time_2), "s"
    outfile.write(s)

解析文件完成32.0 s JSON.DUMP 64.0 s Encode.utf8 83.0 s
写600s

s大约800 MB。

写入文件后压缩为100Mb。 有没有办法让写入+压缩更快，因为它是瓶颈。