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

 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
12.712.7110,656367  6% 2% 100% 3% 6% 3% 3% 5%

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

Read iobench benchmark to see what this program should do.

 notes

 iobench Nuitka program source code

import os, time

def measure(func, repetitions, size):
    t0 = time.time()
    func(repetitions, size)
    print(
        func,
        "%d bytes, %.2fus per write" % (
            size,
            (time.time() - t0) / repetitions * 1000 * 1000
        )
    )

def fwrite(repetitions, size):
    fd = os.open("/dev/null", os.O_WRONLY)
    for i in range(repetitions):
        os.write(fd, b" " * size)

def fread(repetitions, size):
    fd = os.open("/dev/full", os.O_RDONLY)
    for i in range(repetitions):
        os.read(fd, size)

def file_write(repetitions, size):
    f = open("/dev/null", "w")
    for i in range(repetitions):
        f.write(" " * size)
    f.flush()

def file_read(repetitions, size):
    f = open("/dev/full")
    for i in range(repetitions):
        f.read(size)

if __name__ == '__main__':
    measure(fread, 1000000, 100)
    measure(fwrite, 1000000, 100)
    measure(fread, 1000000, 1000)
    measure(fwrite, 1000000, 1000)
    measure(fread, 100000, 10000)
    measure(fwrite, 100000, 10000)
    measure(file_read, 1000000, 100)
    measure(file_write, 1000000, 100)
    measure(file_read, 1000000, 1000)
    measure(file_write, 1000000, 1000)
    measure(file_read, 100000, 10000)
    measure(file_write, 100000, 10000)

 make, command-line, and program output logs

 Thu, 06 May 2021 22:20:52 GMT

MAKE:
make[1]: Vstupuje se do adresáře „/home/dundee/work/pybenchmarks/bencher/tmp/iobench/tmp“
nuitka3 --remove-output iobench.nuitka
Nuitka-Options:INFO: Used command line options: --remove-output iobench.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 'iobench.nuitka.build'.
Nuitka:INFO: Successfully created 'iobench.nuitka.bin'.
cp iobench.nuitka.bin iobench.nuitka_run
make[1]: Opouští se adresář „/home/dundee/work/pybenchmarks/bencher/tmp/iobench/tmp“
7.95s to complete and log all make actions

COMMAND LINE:
 ./iobench.nuitka_run 1

PROGRAM OUTPUT NOT CHECKED:
<compiled_function fread at 0x7f8dd83b48b0> 100 bytes, 0.30us per write
<compiled_function fwrite at 0x7f8dd83b47c0> 100 bytes, 0.27us per write
<compiled_function fread at 0x7f8dd83b48b0> 1000 bytes, 0.39us per write
<compiled_function fwrite at 0x7f8dd83b47c0> 1000 bytes, 0.34us per write
<compiled_function fread at 0x7f8dd83b48b0> 10000 bytes, 0.73us per write
<compiled_function fwrite at 0x7f8dd83b47c0> 10000 bytes, 0.38us per write
<compiled_function file_read at 0x7f8dd83b4a90> 100 bytes, 0.13us per write
<compiled_function file_write at 0x7f8dd83b49a0> 100 bytes, 0.10us per write
<compiled_function file_read at 0x7f8dd83b4a90> 1000 bytes, 0.46us per write
<compiled_function file_write at 0x7f8dd83b49a0> 1000 bytes, 0.24us per write
<compiled_function file_read at 0x7f8dd83b4a90> 10000 bytes, 2.61us per write
<compiled_function file_write at 0x7f8dd83b49a0> 10000 bytes, 0.78us per write

Revised BSD license

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