def test_factorial():
def fact(n):
result = 1
while n > 1:
result *= n
n -= 1
return result
rundemo(fact, 10)
def test_factorial():
def fact(n):
result = 1
while n > 1:
result *= n
n -= 1
return result
rundemo(fact, 10)
def test_pseudofactorial():
def pseudofact(n):
result = 1
while n > 1:
if n & 1:
result *= n
n -= 1
return result
rundemo(pseudofact, 10)
def test_pseudofactorial():
def pseudofact(n):
result = 1
while n > 1:
if n & 1:
result *= n
n -= 1
return result
rundemo(pseudofact, 10)
def test_f1():
def f1(n):
"Arbitrary test function."
i = 0
x = 1
while i<n:
j = 0
while j<=i:
j = j + 1
x = x + (i&j)
i = i + 1
return x
#rundemo(f1, 2117)
rundemo(f1, 217)
def test_f1():
def f1(n):
"Arbitrary test function."
i = 0
x = 1
while i < n:
j = 0
while j <= i:
j = j + 1
x = x + (i & j)
i = i + 1
return x
#rundemo(f1, 2117)
rundemo(f1, 217)
def accept(lines):
g = open('zgen.py', 'w')
print >> g, '''from pypy.rlib.rarithmetic import intmask
def dummyfn(counter, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z):
goto = 0
while True:
'''
for line in lines:
print >> g, line
print >> g, '''
return intmask(a*-468864544+b*-340864157+c*-212863774+d*-84863387+e*43136996+f*171137383+g*299137766+h*427138153+i*555138536+j*683138923+k*811139306+l*939139693+m*1067140076+n*1195140463+o*1323140846+p*1451141233+q*1579141616+r*1707142003+s*1835142386+t*1963142773+u*2091143156+v*-2075823753+w*-1947823370+x*-1819822983+y*-1691822600+z*-1563822213)
'''
g.close()
#ok = os.system("py.test zgen.py --seed=6661 -s") == 0
from pypy.jit.codegen.demo import conftest as demo_conftest
demo_conftest.option.randomseed = SEED
demo_conftest.option.backend = BACKEND
from pypy.jit.codegen.demo.support import rundemo
d = {}
execfile('zgen.py', d)
dummyfn = d['dummyfn']
childpid = os.fork()
if childpid == 0: # in child
rundemo(dummyfn, ITERATIONS, *ARGS)
os._exit(0)
_, status = os.waitpid(childpid, 0)
ok = status == 0
if ok:
return True # accept
else:
os.system("cp -f zgen.py zsample.py")
global progress
progress = True
globals()['lines'][:] = lines
return False
def accept(lines):
g = open('zgen.py', 'w')
print >> g, '''from pypy.rlib.rarithmetic import intmask
def dummyfn(counter, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z):
goto = 0
while True:
'''
for line in lines:
print >> g, line
print >> g, '''
return intmask(a*-468864544+b*-340864157+c*-212863774+d*-84863387+e*43136996+f*171137383+g*299137766+h*427138153+i*555138536+j*683138923+k*811139306+l*939139693+m*1067140076+n*1195140463+o*1323140846+p*1451141233+q*1579141616+r*1707142003+s*1835142386+t*1963142773+u*2091143156+v*-2075823753+w*-1947823370+x*-1819822983+y*-1691822600+z*-1563822213)
'''
g.close()
#ok = os.system("py.test zgen.py --seed=6661 -s") == 0
from pypy.jit.codegen.demo import conftest as demo_conftest
demo_conftest.option.randomseed = SEED
demo_conftest.option.backend = BACKEND
from pypy.jit.codegen.demo.support import rundemo
d = {}
execfile('zgen.py', d)
dummyfn = d['dummyfn']
childpid = os.fork()
if childpid == 0: # in child
rundemo(dummyfn, ITERATIONS, *ARGS)
os._exit(0)
_, status = os.waitpid(childpid, 0)
ok = status == 0
if ok:
return True # accept
else:
os.system("cp -f zgen.py zsample.py")
global progress
progress = True
globals()['lines'][:] = lines
return False
def test_random_function(nb_blocks=demo_conftest.option.nb_blocks,
max_block_length=demo_conftest.option.max_block_length):
#py.test.skip("in-progress")
blocklabels = range(nb_blocks)
r = Random()
vars = list("abcdefghijklmnopqrstuvwxyz"[:demo_conftest.option.n_vars])
varlist = ', '.join(vars)
magicsum = '+'.join(['%s*%d' % (v, hash(v)) for v in vars])
operations = ['%s + %s',
'%s + %s',
'%s - %s',
'%s - %s',
'%s * %s',
'%s & %s',
'%s | %s',
'%s ^ %s',
'%s << (%s & 0x0000067f)',
'%s >> (%s & 0x1234567f)',
'abs(%s)',
'-%s',
'~%s',
'%s // ((%s & 0xfffff) + 1)',
'%s // (-((%s & 0xfffff) + 2))',
'%s %% ((%s & 0xfffff) + 1)',
'%s %% (-((%s & 0xfffff) + 2))',
'!%s or %s',
'!%s and %s',
'!not %s',
'!bool(%s)',
'!%s < %s',
'!%s <= %s',
'!%s == %s',
'!%s != %s',
'!%s > %s',
'!%s >= %s',
]
lines = ["def dummyfn(counter, %(varlist)s):" % locals(),
" goto = 0",
" while True:",
]
for blocklabel in blocklabels:
lines.append(" if goto == %d:" % blocklabel)
for j in range(r.randrange(0, max_block_length)):
v1 = r.choice(vars)
constbytes = r.randrange(-15, 5)
if constbytes <= 0:
v2 = r.choice(vars)
op = r.choice(operations)
if op.count('%s') == 1:
op = op % (v2,)
else:
v3 = r.choice(vars)
op = op % (v2, v3)
if op.startswith('!'):
op = op[1:]
else:
op = 'intmask(%s)' % op
lines.append(" %s = %s" % (v1, op))
else:
constant = r.randrange(-128, 128)
for i in range(1, constbytes):
constant = constant << 8 | r.randrange(0, 256)
lines.append(" %s = %d" % (v1, constant))
v1 = r.choice(vars)
for line in [" if %s:" % v1,
" else:"]:
lines.append(line)
j = r.choice(blocklabels)
if j <= blocklabel:
lines.append(" counter -= 1")
lines.append(" if not counter: break")
lines.append(" goto = %d" % j)
lines.append(" return intmask(%(magicsum)s)" % locals())
args = [r.randrange(-99, 100) for v1 in vars]
src = py.code.Source('\n'.join(lines))
print src
udir.join('generated.py').write(
'from pypy.rlib.rarithmetic import intmask\n\n'
'%s\n\n'
'args=%r\n'
'print dummyfn(10000, *args)\n' % (src, args))
exec src.compile()
if demo_conftest.option.iterations != 0:
iterations = demo_conftest.option.iterations
else:
if demo_conftest.option.backend in demo_conftest.very_slow_backends:
iterations = 50
else:
iterations = 10000
rundemo(dummyfn, iterations, *args)
def test_random_function(
nb_blocks=demo_conftest.option.nb_blocks,
max_block_length=demo_conftest.option.max_block_length):
#py.test.skip("in-progress")
blocklabels = range(nb_blocks)
r = Random()
vars = list("abcdefghijklmnopqrstuvwxyz"[:demo_conftest.option.n_vars])
varlist = ', '.join(vars)
magicsum = '+'.join(['%s*%d' % (v, hash(v)) for v in vars])
operations = [
'%s + %s',
'%s + %s',
'%s - %s',
'%s - %s',
'%s * %s',
'%s & %s',
'%s | %s',
'%s ^ %s',
'%s << (%s & 0x0000067f)',
'%s >> (%s & 0x1234567f)',
'abs(%s)',
'-%s',
'~%s',
'%s // ((%s & 0xfffff) + 1)',
'%s // (-((%s & 0xfffff) + 2))',
'%s %% ((%s & 0xfffff) + 1)',
'%s %% (-((%s & 0xfffff) + 2))',
'!%s or %s',
'!%s and %s',
'!not %s',
'!bool(%s)',
'!%s < %s',
'!%s <= %s',
'!%s == %s',
'!%s != %s',
'!%s > %s',
'!%s >= %s',
]
lines = [
"def dummyfn(counter, %(varlist)s):" % locals(),
" goto = 0",
" while True:",
]
for blocklabel in blocklabels:
lines.append(" if goto == %d:" % blocklabel)
for j in range(r.randrange(0, max_block_length)):
v1 = r.choice(vars)
constbytes = r.randrange(-15, 5)
if constbytes <= 0:
v2 = r.choice(vars)
op = r.choice(operations)
if op.count('%s') == 1:
op = op % (v2, )
else:
v3 = r.choice(vars)
op = op % (v2, v3)
if op.startswith('!'):
op = op[1:]
else:
op = 'intmask(%s)' % op
lines.append(" %s = %s" % (v1, op))
else:
constant = r.randrange(-128, 128)
for i in range(1, constbytes):
constant = constant << 8 | r.randrange(0, 256)
lines.append(" %s = %d" % (v1, constant))
v1 = r.choice(vars)
for line in [" if %s:" % v1, " else:"]:
lines.append(line)
j = r.choice(blocklabels)
if j <= blocklabel:
lines.append(" counter -= 1")
lines.append(" if not counter: break")
lines.append(" goto = %d" % j)
lines.append(" return intmask(%(magicsum)s)" % locals())
args = [r.randrange(-99, 100) for v1 in vars]
src = py.code.Source('\n'.join(lines))
print src
udir.join('generated.py').write(
'from pypy.rlib.rarithmetic import intmask\n\n'
'%s\n\n'
'args=%r\n'
'print dummyfn(10000, *args)\n' % (src, args))
exec src.compile()
if demo_conftest.option.iterations != 0:
iterations = demo_conftest.option.iterations
else:
if demo_conftest.option.backend in demo_conftest.very_slow_backends:
iterations = 50
else:
iterations = 10000
rundemo(dummyfn, iterations, *args)
