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Viewing changes to scripts/plot-align.py

  • Committer: Will Newton
  • Date: 2013-03-26 10:19:35 UTC
  • Revision ID: will.newton@linaro.org-20130326101935-c4i81dht78p9voqf
Integrate NEON/VFP/ARM optimised memcpy implementation.
Add --with-vfp configure option to allow testing VFP code.

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scripts/plot-align.py
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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, ('src_alignment', 'dst_alignment'))
 
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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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        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.src_alignment==alignment[0] and x.dst_alignment==alignment[1]]
 
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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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                vals = [match.bytes*match.loops/match.elapsed/(1024*1024) for
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                        match in matches]
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                mean = sum(vals)/len(vals)
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                heights.append(mean)
 
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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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    axes = pylab.axes()
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    if libplot.alignments_equal(alignments):
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        alignment_labels = ["%s" % x[0] for x in alignments]
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    else:
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        alignment_labels = ["%s:%s" % (x[0], x[1]) for x in alignments]
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    axes.set_xticklabels(alignment_labels)
 
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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())