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📄 add-license.sh(2.39 KB)
📄 bench.py(5.53 KB)
📄 fixup.py(504 B)
📄 libplot.py(2.05 KB)
📄 plot-align.py(1.97 KB)
📄 plot-sizes.py(3.48 KB)
📄 plot-top.py(1.54 KB)
📄 plot.py(3.5 KB)
📄 trim.sh(211 B)

Editing: plot-align.py

#!/usr/bin/env python

"""Plot the performance of different variants of one routine versus alignment.
"""

import libplot

import pylab

def plot(records, bytes, function):
    records = [x for x in records if x.bytes==bytes and x.function==function]

variants = libplot.unique(records, 'variant', prefer='this')
    alignments = libplot.unique(records, ('src_alignment', 'dst_alignment'))

X = pylab.arange(len(alignments))
    width = 1.0/(len(variants)+1)

colours = libplot.make_colours()

pylab.figure(1).set_size_inches((16, 12))
    pylab.clf()

for i, variant in enumerate(variants):
        heights = []

for alignment in alignments:
            matches = [x for x in records if x.variant==variant and x.src_alignment==alignment[0] and x.dst_alignment==alignment[1]]

if matches:
                vals = [match.bytes*match.loops/match.elapsed/(1024*1024) for
                        match in matches]
                mean = sum(vals)/len(vals)
                heights.append(mean)
            else:
                heights.append(0)

pylab.bar(X+i*width, heights, width, color=colours.next(), label=variant)

axes = pylab.axes()
    if libplot.alignments_equal(alignments):
        alignment_labels = ["%s" % x[0] for x in alignments]
    else:
        alignment_labels = ["%s:%s" % (x[0], x[1]) for x in alignments]
    axes.set_xticklabels(alignment_labels)
    axes.set_xticks(X + 0.5)

pylab.title('Performance of different variants of %(function)s for %(bytes)d byte blocks' % locals())
    pylab.xlabel('Alignment')
    pylab.ylabel('Rate (MB/s)')
    pylab.legend(loc='lower right', ncol=3)
    pylab.grid()
    pylab.savefig('alignment-%(function)s-%(bytes)d.png' % locals(), dpi=72)

def main():
    records = libplot.parse()

for function in libplot.unique(records, 'function'):
        for bytes in libplot.unique(records, 'bytes'):
            plot(records, bytes, function)

pylab.show()

if __name__ == '__main__':
    main()

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Editing: plot-align.py

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