performance measurements
Each table row shows performance measurements for this RustPython program with a particular command-line input value N.
| N | CPU secs | Elapsed secs | Memory KB | Code B | ≈ CPU Load |
|---|---|---|---|---|---|
| 6,000,000 | 220.28 | 215.70 | 15,008 | 1191 | 18% 19% 18% 19% 8% 15% 10% 10% |
Read the ↓ make, command line, and program output logs to see how this program was run.
Read chameneos-redux benchmark to see what this program should do.
notes
chameneos-redux RustPython program source code
# The Computer Language Benchmarks Game
# http://benchmarksgame.alioth.debian.org/
# contributed by Daniel Nanz 2008-04-10
# 2to3
import sys
import _thread
import time
# colors and matching
creature_colors = ['blue', 'red', 'yellow']
def complement(c1, c2):
if c1 == c2: return c1
if c1 == 'blue':
if c2 == 'red': return 'yellow'
return 'red'
if c1 == 'red':
if c2 == 'blue': return 'yellow'
return 'blue'
if c2 == 'blue': return 'red'
return 'blue'
compl_dict = dict(((c1, c2), complement(c1, c2))
for c1 in creature_colors
for c2 in creature_colors)
def check_complement(colors=creature_colors, compl=compl_dict):
for c1 in colors:
for c2 in colors:
print('%s + %s -> %s' % (c1, c2, compl[(c1, c2)]))
print('')
# reporting
def spellout(n):
numbers = ['zero', 'one', 'two', 'three', 'four',
'five', 'six', 'seven', 'eight', 'nine']
return ' ' + ' '.join(numbers[int(c)] for c in str(n))
def report(input_zoo, met, self_met):
print(' ' + ' '.join(input_zoo))
for m, sm in zip(met, self_met):
print(str(m) + spellout(sm))
print(spellout(sum(met)) + '\n')
# the zoo
def creature(my_id, venue, my_lock_acquire, in_lock_acquire, out_lock_release):
while True:
my_lock_acquire() # only proceed if not already at meeting place
in_lock_acquire() # only proceed when holding in_lock
venue[0] = my_id # register at meeting place
out_lock_release() # signal "registration ok"
def let_them_meet(meetings_left, input_zoo,
compl=compl_dict, allocate=_thread.allocate_lock):
# prepare
c_no = len(input_zoo)
venue = [-1]
met = [0] * c_no
self_met = [0] * c_no
colors = input_zoo[:]
in_lock = allocate()
in_lock_acquire = in_lock.acquire # function aliases
in_lock_release = in_lock.release # (minor performance gain)
in_lock_acquire()
out_lock = allocate()
out_lock_release = out_lock.release
out_lock_acquire = out_lock.acquire
out_lock_acquire()
locks = [allocate() for c in input_zoo]
# let creatures wild
for ci in range(c_no):
args = (ci, venue, locks[ci].acquire, in_lock_acquire, out_lock_release)
new = _thread.start_new_thread(creature, args)
time.sleep(0.05) # to reduce work-load imbalance
in_lock_release() # signal "meeting_place open for registration"
out_lock_acquire() # only proceed with a "registration ok" signal
id1 = venue[0]
while meetings_left > 0:
in_lock_release()
out_lock_acquire()
id2 = venue[0]
if id1 != id2:
new_color = compl[(colors[id1], colors[id2])]
colors[id1] = new_color
colors[id2] = new_color
met[id1] += 1
met[id2] += 1
else:
self_met[id1] += 1
met[id1] += 1
meetings_left -= 1
if meetings_left > 0:
locks[id1].release() # signal "you were kicked from meeting place"
id1 = id2
else:
report(input_zoo, met, self_met)
def chameneosiate(n):
check_complement()
let_them_meet(n, ['blue', 'red', 'yellow'])
let_them_meet(n, ['blue', 'red', 'yellow', 'red', 'yellow',
'blue', 'red', 'yellow', 'red', 'blue'])
#print ''
chameneosiate(int(sys.argv[1]))
make, command-line, and program output logs
Wed, 28 Sep 2022 08:45:33 GMT COMMAND LINE: /usr/bin/rustpython chameneosredux.rustpython 6000000 PROGRAM OUTPUT NOT CHECKED: blue + blue -> blue blue + red -> yellow blue + yellow -> red red + blue -> yellow red + red -> red red + yellow -> blue yellow + blue -> red yellow + red -> blue yellow + yellow -> yellow blue red yellow 4001841 zero 3988667 zero 4009492 zero one two zero zero zero zero zero zero blue red yellow red yellow blue red yellow red blue 1181699 zero 1158942 zero 1210444 zero 1244862 zero 1248784 zero 1216488 zero 1129244 zero 1223336 zero 1125936 zero 1260265 zero one two zero zero zero zero zero zero encodings initialization failed. Only utf-8 encoding will be supported. ModuleNotFoundError: No module named 'encodings' The above exception was the direct cause of the following exception: RuntimeError: Could not import encodings. Is your RUSTPYTHONPATH set? If you don't have access to a consistent external environment (e.g. if you're embedding rustpython in another application), try enabling the freeze-stdlib feature