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 |
|---|---|---|---|---|---|
| 5,000,000 | 45.92 | 41.27 | 15,192 | 448 | 9% 9% 9% 10% 11% 11% 11% 11% |
Read the ↓ make, command line, and program output logs to see how this program was run.
Read thread-ring benchmark to see what this program should do.
notes
thread-ring Nuitka #2 program source code
# The Computer Language Benchmarks Game
# http://benchmarksgame.alioth.debian.org/
# Contributed by Antti Kervinen
# Modified by Tupteq
# 2to3
import sys
import _thread
# Set minimum stack size for threads, otherwise the program may fail
# to create such a many threads
_thread.stack_size(32*1024)
def threadfun(number, lock_acquire, next_release):
global n
while 1:
lock_acquire()
if n > 0:
n -= 1
next_release()
else:
print(number)
main_lock.release()
# main
n = int(sys.argv[1])
main_lock = _thread.allocate_lock()
main_lock.acquire()
first_lock = _thread.allocate_lock()
next_lock = first_lock
for number in range(503):
lock = next_lock
lock.acquire()
next_lock = _thread.allocate_lock() if number < 502 else first_lock
_thread.start_new_thread(threadfun,
(number+1, lock.acquire, next_lock.release))
first_lock.release()
main_lock.acquire()
make, command-line, and program output logs
Mon, 25 Jan 2021 21:43:46 GMT MAKE: make[1]: Vstupuje se do adresáře „/home/dundee/work/pybenchmarks/bencher/tmp/threadring/tmp“ nuitka3 --remove-output threadring.nuitka-2.nuitka Nuitka:INFO: Starting Python compilation. 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 level backend compilation via Scons. Nuitka-Scons:INFO: Backend C compiler: gcc (gcc). Nuitka-Scons:WARNING: You are not using ccache. Nuitka:INFO: Removing build directory 'threadring.nuitka-2.nuitka.build'. Nuitka:INFO: Successfully created 'threadring.nuitka-2.nuitka.bin'. cp threadring.nuitka-2.nuitka.bin threadring.nuitka-2.nuitka_run make[1]: Opouští se adresář „/home/dundee/work/pybenchmarks/bencher/tmp/threadring/tmp“ 6.54s to complete and log all make actions COMMAND LINE: ./threadring.nuitka-2.nuitka_run 5000000 PROGRAM OUTPUT: 181