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#!/usr/bin/env python3
"""
Prepare the output of the convert benchmark script for the R plotting script.
"""
import argparse
import os
import sys
import re
op = argparse.ArgumentParser(description=__doc__)
op.add_argument('--version', action='version', version='%(prog)s 1.0')
op.add_argument("--mult", "-m", action="store_true",
help="set if variable n of edges/segment")
op.add_argument("inputfile")
opts = op.parse_args()
if not os.path.exists(opts.inputfile):
sys.stderr.write("Input file not found: {}\n".format(opts.inputfile))
exit(1)
with open(opts.inputfile) as inputfile:
header = True
if opts.mult:
outdata = ["mult", "time", "space", "time_per_line", "space_per_line"]
else:
outdata = ["lines", "time", "space", "time_per_line", "space_per_line"]
print("\t".join(outdata))
for line in inputfile:
if line[:3] == "###":
header = False
elif not header:
data = line.rstrip("\n\r").split("\t")
n_segments = data[2]
multiplier = data[3]
n_lines = int(int(n_segments) * (1+float(multiplier)))
elapsed = data[5]
elapsed_match = re.compile(r'\s+(\d+):(\d+\.\d+)').match(elapsed)
if elapsed_match:
minutes = int(elapsed_match.groups()[0])
seconds = float(elapsed_match.groups()[1])
seconds += minutes * 60
else:
elapsed_match = re.compile(r'\s+(\d+):(\d+):(\d+)').match(elapsed)
if elapsed_match:
hours = int(elapsed_match.groups()[0])
minutes = int(elapsed_match.groups()[1])
seconds = int(elapsed_match.groups()[2])
minutes += hours * 60
seconds += minutes * 60
else:
continue
memory = data[6]
memory = int(re.compile(r'(\d+) kB').match(memory).groups()[0])
megabytes = memory / 1024
if opts.mult:
outdata = [str(multiplier)]
else:
outdata = [str(n_lines)]
outdata += [str(seconds),str(megabytes),
str(seconds/n_lines), str(megabytes/n_lines)]
print("\t".join(outdata))
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