Commit addd3e86 authored by John Zhang's avatar John Zhang

performance measurement script for fibonacci

parent 48f726b3
......@@ -4,16 +4,13 @@ Performance comparison
from time import time
from tempfile import mkdtemp
import py, os
import inspect
import subprocess as subp
import ctypes
import importlib
from rpython.rtyper.lltypesystem import lltype, rffi
from rpython.translator.interactive import Translation
from rpython.config.translationoption import set_opt_level
from util import fncptr_from_rpy_func
from util import libmu_path
CPYTHON = os.environ.get('CPYTHON', 'python')
PYPY = os.environ.get('PYPY', 'pypy')
......@@ -21,7 +18,7 @@ RPYTHON = os.environ.get('RPYTHON', None)
def run(cmd):
print ' '.join(cmd)
# print ' '.join(cmd)
p = subp.Popen(cmd, stdout=subp.PIPE, stderr=subp.PIPE)
return p.communicate()
......@@ -83,22 +80,16 @@ def target(*args):
with'w') as fp:
N = 30
def run_cpython():
def run_cpython(N):
out, _ = run([CPYTHON, py_file.strpath, str(N)])
print out
return float(out)
def run_pypy_nojit():
def run_pypy_nojit(N):
out, _ = run([PYPY, '--jit', 'off', py_file.strpath, str(N)])
print out
return float(out)
def run_pypy():
out, _ = run([PYPY, '--jit', 'off', py_file.strpath, str(N)])
print out
def run_pypy(N):
out, _ = run([PYPY, py_file.strpath, str(N)])
return float(out)
def compile_rpython_c():
......@@ -129,22 +120,48 @@ def target(*args):
mod = {}
exec (file_str, mod)
rpy_fnc = mod['fib']
fnp, _ = fncptr_from_rpy_func(rpy_fnc, [lltype.Signed], lltype.Signed)
return fnp
def run_funcptr(fnp):
t0 = time()
t1 = time()
return t1 - t0
# load libmu before rffi so to load it with RTLD_GLOBAL
libmu = ctypes.CDLL(libmu_path.strpath, ctypes.RTLD_GLOBAL)
t = Translation(rpy_fnc, [int],
backend='mu', muimpl='fast', mucodegen='api', mutestjit=True)
set_opt_level(t.config, '3')
db, bdlgen, fnc_name = t.compile_mu()
libname = 'lib%(fnc_name)s.dylib' % locals(), [])
libpath = py.path.local().join('emit', libname)
fnp = getattr(ctypes.CDLL(libpath.strpath), fnc_name)
return fnp
t_cpython = run_cpython()
t_pypy_nojit = run_pypy_nojit()
t_pypy = run_pypy()
t_rpyc = run_funcptr(compile_rpython_c())
t_rpyc_jit = run_funcptr(compile_rpython_c_jit())
t_rpyc_mu = run_funcptr(compile_rpython_mu())
def get_average_time(run_fnc, args, warmup=5, iterations=100):
for i in range(warmup):
total = 0.0
for i in range(iterations):
total += run_fnc(*args)
return total / iterations
def get_average_time_compiled(compile_fnc, args, warmup=5, iterations=100):
def run_funcptr(fnp, N):
t0 = time()
t1 = time()
return t1 - t0
fnp = compile_fnc()
return get_average_time(lambda *a: run_funcptr(fnp, *a), args, warmup, iterations)
N = 100000
iterations = 20
t_cpython = get_average_time(run_cpython, [N], iterations=iterations)
t_pypy_nojit = get_average_time(run_pypy_nojit, [N], iterations=iterations)
t_pypy = get_average_time(run_pypy, [N], iterations=iterations)
t_rpyc = get_average_time_compiled(compile_rpython_c, [N], iterations=iterations)
t_rpyc_jit = get_average_time_compiled(compile_rpython_c_jit, [N], iterations=iterations)
t_rpyc_mu = get_average_time_compiled(compile_rpython_mu, [N], iterations=iterations)
print "CPython:", t_cpython
print "PyPy (no JIT):", t_pypy_nojit
print "PyPy:", t_pypy
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