Python Interpreters Benchmarks
x64 ArchLinux : AMD® Ryzen 7 4700U®

 performance measurements

Each table row shows performance measurements for this program with a particular command-line input value N.

 N  CPU secs Elapsed secs Memory KB Code B ≈ CPU Load
5,000,0000.350.351,152406  17% 3% 3% 0% 100% 14% 16% 9%

Read the ↓ make, command line, and program output logs to see how this program was run.

Read  benchmark to see what this program should do.


  source code

# The Computer Language Benchmarks Game
# contributed by Daniel Nanz 2008-03-11

# Coroutines via enhanced generators
# 2to3

import sys
import itertools

def main(n = int(sys.argv[1]), n_threads=503, cycle=itertools.cycle):

    def worker(worker_id):

        n = 1
        while True:
            if n > 0:
                n = (yield (n - 1))

    threadRing = [worker(w) for w in range(1, n_threads + 1)]
    for t in threadRing: foo = next(t)           # start exec. gen. funcs
    sendFuncRing = [t.send for t in threadRing]   # speed...
    for send in cycle(sendFuncRing):
            n = send(n)
        except StopIteration:


 make, command-line, and program output logs

 Sun, 30 Jul 2023 11:18:23 GMT

make[1]: Vstupuje se do adresáře „/home/dundee/work/pybenchmarks/bencher/tmp/threadring/tmp“
nuitka3 --remove-output threadring.nuitka
Nuitka-Options:INFO: Used command line options: --remove-output threadring.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 '1.6' on Python '3.11' 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 for this stage).
Nuitka-Scons:WARNING: You are not using ccache, re-compilation of identical code will be slower than necessary. Use your OS package manager to install it.
Nuitka:INFO: Removing build directory ''.
Nuitka:INFO: Successfully created 'threadring.nuitka.bin'.
cp threadring.nuitka.bin threadring.nuitka_run
make[1]: Opouští se adresář „/home/dundee/work/pybenchmarks/bencher/tmp/threadring/tmp“
15.68s to complete and log all make actions

 ./threadring.nuitka_run 5000000


Revised BSD license

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