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  • Committer: Michael Hope
  • Date: 2010-09-13 08:30:44 UTC
  • mfrom: (14.1.1 cortex-strings)
  • Revision ID: michael.hope@linaro.org-20100913083044-0rr37rigcpd0gg7q
Added autogen.sh.  Tidied up the NEON configure rules using AM_CONDITIONAL.  Made make distcheck pass.

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scripts/plot-align.py
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#!/usr/bin/env python
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"""Plot the performance of different variants of one routine versus alignment.
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"""
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import libplot
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import pylab
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def plot(records, bytes, function):
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    records = [x for x in records if x.bytes==bytes and x.function==function]
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    variants = libplot.unique(records, 'variant', prefer='this')
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    alignments = libplot.unique(records, 'alignment')
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    X = pylab.arange(len(alignments))
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    width = 1.0/(len(variants)+1)
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    colours = iter('bgrcmyk')
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    pylab.figure(1).set_size_inches((16, 12))
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    pylab.clf()
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    for i, variant in enumerate(variants):
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        heights = []
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        for alignment in alignments:
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            matches = [x for x in records if x.variant==variant and x.alignment==alignment]
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            if matches:
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                match = matches[0]
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                heights.append(match.bytes*match.loops/match.elapsed/(1024*1024))
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            else:
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                heights.append(0)
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        pylab.bar(X+i*width, heights, width, color=colours.next(), label=variant)
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    axes = pylab.axes()
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    axes.set_xticklabels(alignments)
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    axes.set_xticks(X + 0.5)
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    pylab.title('Performance of different variants of %(function)s for %(bytes)d byte blocks' % locals())
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    pylab.ylabel('Rate (MB/s)')
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    pylab.legend(loc='upper left', ncol=3)
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    pylab.grid()
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    pylab.savefig('alignment-%(function)s-%(bytes)d.png' % locals(), dpi=72)
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def main():
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    records = libplot.parse()
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    for function in libplot.unique(records, 'function'):
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        for bytes in libplot.unique(records, 'bytes'):
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            plot(records, bytes, function)
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    pylab.show()
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if __name__ == '__main__':
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    main()