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#!/usr/bin/env python
# a stacked bar plot with errorbars
from pathlib import Path
import numpy as np
from matplotlib import pyplot as plt
checks = [
"open_close",
"only_open",
"full_browse",
"partial_browse",
"full_browse_attrs",
"partial_browse_attrs",
"open_group",
"open_leaf",
"total",
]
width = 0.15 # the width of the bars: can also be len(x) sequence
colors = ["r", "m", "g", "y", "b"]
ind = np.arange(len(checks)) # the x locations for the groups
def get_values(filename):
values = []
for line in Path(filename).read_text().splitlines():
if show_memory:
if line.startswith("VmData:"):
values.append(float(line.split()[1]) / 1024)
else:
if line.startswith("WallClock time:"):
values.append(float(line.split(":")[1]))
return values
def plot_bar(values, n):
global ind
if not gtotal:
# Remove the grand totals
values.pop()
if n == 0:
checks.pop()
ind = np.arange(len(checks))
p = plt.bar(ind + width * n, values, width, color=colors[n])
return p
def show_plot(bars, filenames, tit):
if show_memory:
plt.ylabel("Memory (MB)")
else:
plt.ylabel("Time (s)")
plt.title(tit)
n = len(filenames)
plt.xticks(
ind + width * n / 2,
checks,
rotation=45,
horizontalalignment="right",
fontsize=8,
)
if not gtotal:
# loc = 'center right'
loc = "upper left"
else:
loc = "center left"
legends = [filename[: filename.index("_")] for filename in filenames]
legends = [line.replace("-", " ") for line in legends]
plt.legend([p[0] for p in bars], legends, loc=loc)
plt.subplots_adjust(bottom=0.2, top=None, wspace=0.2, hspace=0.2)
if outfile:
plt.savefig(outfile)
else:
plt.show()
if __name__ == "__main__":
import sys
import getopt
usage = (
"""usage: %s [-g] [-m] [-o file] [-t title] files
-g grand total
-m show memory instead of time
-o filename for output (only .png and .jpg extensions supported)
-t title of the plot
\n"""
% sys.argv[0]
)
try:
opts, pargs = getopt.getopt(sys.argv[1:], "gmo:t:")
except Exception:
sys.stderr.write(usage)
sys.exit(0)
progname = sys.argv[0]
args = sys.argv[1:]
# if we pass too few parameters, abort
if len(pargs) < 1:
sys.stderr.write(usage)
sys.exit(0)
# default options
tit = "Comparison of differents PyTables versions"
gtotal = 0
show_memory = 0
outfile = None
# Get the options
for option in opts:
if option[0] == "-g":
gtotal = 1
elif option[0] == "-m":
show_memory = 1
elif option[0] == "-o":
outfile = option[1]
elif option[0] == "-t":
tit = option[1]
filenames = pargs
bars = []
n = 0
for filename in filenames:
values = get_values(filename)
print("Values-->", values)
bars.append(plot_bar(values, n))
n += 1
show_plot(bars, filenames, tit)
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