Performance

test environment

hardware

Model	CPU	Memory
MacBook Pro (15-inch, 2019)	2.6 GHz Intel Core i7	16 GB 2400 MHz DDR4

software

software name	software version
CPython	Python 3.7.3
java8	java version "1.8.0_211" Java(TM) SE Runtime Environment (build 1.8.0_211-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.211-b12, mixed mode)
maven	Apache Maven 3.6.1
PEMJA	0.1.2
Jython	2.7.2
JEP	3.9.1

test data

type of input arguments	type of output arguments
String	String

test code1

def upper(s: str):
    return s.upper()

test results

single thread

type	100 bytes QPS	100 bytes memory	1k bytes QPS	1k bytes memory
jython	2862	1.5G	1412	1.5G
jep (SubInterpreter)	60w	100M	30w	300M
jep (SharedInterpreter)	60w	100M	30w	300M
pemja (sub-interpreter)	105w	90M	41w	90M
pemja (multi-thread)	105w	90M	39w	90M
java	320w	270M	50w	270M

three threads

type	100 bytes QPS(single thread)	100 bytes memory	1k bytes QPS (single thread)	1k bytes memory
jython	4054	1.5G	4182	1.5G
jep (SubInterpreter)	20w	100M	20w	300M
jep (SharedInterpreter)	20w	100M	20w	300M
pemja (sub-interpreter)	23w	90M	23w	90M
pemja (multi-thread)	23w	90M	23w	90M
java	1000w	850M	148w	850M

test code2

def json(s: str):
    import json
    a = json.loads(s)
    a['a'] = a['a'].lower()
    return json.dumps(a)

test results

single thread

jython don't support json library

type	100 bytes QPS	100 bytes memory	1k bytes QPS	1k bytes memory
jython	X	X	X	X
jep (SubInterpreter)	14w	100M	7w	300M
jep (SharedInterpreter)	14w	100M	7w	300M
pemja (sub-interpreter)	16w	90M	8w	90M
pemja (multi-thread)	16w	90M	8w	90M
java	70w	270M	15w	270M

three threads

type	100 bytes QPS(single thread)	100 bytes memory	1k bytes QPS (single thread)	1k bytes memory
jython	X	X	X	X
jep (SubInterpreter)	10w	100M	5w	300M
jep (SharedInterpreter)	10w	100M	5w	300M
pemja (sub-interpreter)	11w	90M	6w	90M
pemja (multi-thread)	11w	90M	6w	90M
java	280w	850M	36w	850M