performance measurements
Each table row shows performance measurements for this Nuitka program with a particular command-line input value N.
| N | CPU secs | Elapsed secs | Memory KB | Code B | ≈ CPU Load |
|---|---|---|---|---|---|
| 10 | 3.11 | 3.11 | 11,008 | 552 | 2% 0% 100% 1% 0% 0% 2% 1% |
Read the ↓ make, command line, and program output logs to see how this program was run.
Read fannkuch-redux benchmark to see what this program should do.
notes
fannkuch-redux Nuitka #6 program source code
# The Computer Language Benchmarks Game
# http://benchmarksgame.alioth.debian.org/
# contributed by Isaac Gouy
# converted to Java by Oleg Mazurov
# converted to Python by Buck Golemon
# modified by Justin Peel
def fannkuch(n):
maxFlipsCount = 0
permSign = True
checksum = 0
perm1 = list(range(n))
count = perm1[:]
rxrange = range(2, n - 1)
nm = n - 1
while 1:
k = perm1[0]
if k:
perm = perm1[:]
flipsCount = 1
kk = perm[k]
while kk:
perm[:k+1] = perm[k::-1]
flipsCount += 1
k = kk
kk = perm[kk]
if maxFlipsCount < flipsCount:
maxFlipsCount = flipsCount
checksum += flipsCount if permSign else -flipsCount
# Use incremental change to generate another permutation
if permSign:
perm1[0],perm1[1] = perm1[1],perm1[0]
permSign = False
else:
perm1[1],perm1[2] = perm1[2],perm1[1]
permSign = True
for r in rxrange:
if count[r]:
break
count[r] = r
perm0 = perm1[0]
perm1[:r+1] = perm1[1:r+2]
perm1[r+1] = perm0
else:
r = nm
if not count[r]:
print( checksum )
return maxFlipsCount
count[r] -= 1
from sys import argv
n = int(argv[1])
print(( "Pfannkuchen(%i) = %i" % (n, fannkuch(n)) ))
make, command-line, and program output logs
Sun, 23 Apr 2023 09:02:18 GMT MAKE: make[1]: Vstupuje se do adresáře „/home/dundee/work/pybenchmarks/bencher/tmp/fannkuchredux/tmp“ nuitka3 --remove-output fannkuchredux.nuitka-6.nuitka Nuitka-Options:INFO: Used command line options: --remove-output fannkuchredux.nuitka-6.nuitka Nuitka-Options:WARNING: You did not specify to follow or include anything but main program. Check options and make sure that is intended. Nuitka:INFO: Starting Python compilation with Nuitka '1.5' on Python '3.10' commercial grade 'not installed'. Nuitka:INFO: Completed Python level compilation and optimization. Nuitka:INFO: Generating source code for C backend compiler. Nuitka:INFO: Running data composer tool for optimal constant value handling. Nuitka:INFO: Running C compilation via Scons. Nuitka-Scons:INFO: Backend C compiler: gcc (gcc). Nuitka-Scons:INFO: Backend linking program with 7 files (no progress information available). Nuitka-Scons:WARNING: You are not using ccache. Nuitka:INFO: Removing build directory 'fannkuchredux.nuitka-6.nuitka.build'. Nuitka:INFO: Successfully created 'fannkuchredux.nuitka-6.nuitka.bin'. cp fannkuchredux.nuitka-6.nuitka.bin fannkuchredux.nuitka-6.nuitka_run make[1]: Opouští se adresář „/home/dundee/work/pybenchmarks/bencher/tmp/fannkuchredux/tmp“ 14.88s to complete and log all make actions COMMAND LINE: ./fannkuchredux.nuitka-6.nuitka_run 10 PROGRAM OUTPUT: 73196 Pfannkuchen(10) = 38