41 lines
939 B
Awk
41 lines
939 B
Awk
# $Id: report.awk,v 1.3 2008/01/02 15:54:03 bostic Exp $
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/^[^#]/ {
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total[$1] += $2
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sum[$1] += $2 * $2
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++count[$1];
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}
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END {
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# Compute the average, find the maximum.
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for (i in total) {
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avg[i] = total[i] / count[i];
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if (max < avg[i])
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max = avg[i]
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}
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for (i in total) {
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# Calculate variance by raw score method.
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var = (sum[i] - ((total[i] * total[i]) / count[i])) / count[i];
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# The standard deviation is the square root of the variance.
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stdv = sqrt(var);
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# Display the release value, the average score, and run count.
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printf("%s:%.2f:%d:", i, avg[i], count[i]);
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# If this run wasn't the fastest, display the percent by which
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# this run was slower.
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if (max != avg[i])
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printf("%.0f%%", ((max - avg[i]) / max) * 100);
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printf(":");
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# If there was more than a single run, display the relative
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# standard deviation.
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if (count[i] > 1)
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printf("%.0f%%", stdv * 100 / avg[i]);
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printf("\n");
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}
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}
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