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benchmark: add bar.R #47729

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Jun 28, 2023
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36 changes: 36 additions & 0 deletions benchmark/bar.R
Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
#!/usr/bin/env Rscript
library(ggplot2);
library(plyr);

# get __dirname and load ./_cli.R
args = commandArgs(trailingOnly = F);
dirname = dirname(sub("--file=", "", args[grep("--file", args)]));
source(paste0(dirname, '/_cli.R'), chdir=T);

if (!is.null(args.options$help) ||
(!is.null(args.options$plot) && args.options$plot == TRUE)) {
stop("usage: cat file.csv | Rscript bar.R
--help show this message
--plot filename save plot to filename");
}

plot.filename = args.options$plot;

dat = read.csv(
file('stdin'),
colClasses=c('character', 'character', 'character', 'numeric', 'numeric')
);
dat = data.frame(dat);

dat$nameTwoLines = paste0(dat$filename, '\n', dat$configuration);
dat$name = paste0(dat$filename, ' ', dat$configuration);

# Create a box plot
if (!is.null(plot.filename)) {
p = ggplot(data=dat, aes(x=nameTwoLines, y=rate, fill=binary));
p = p + geom_bar(stat="summary", position=position_dodge());
p = p + ylab("rate of operations (higher is better)");
p = p + xlab("benchmark");
p = p + theme(axis.text.x = element_text(angle = 90, hjust = 1, vjust = 0.5));
ggsave(plot.filename, p);
}
5 changes: 4 additions & 1 deletion doc/contributing/writing-and-running-benchmarks.md
Original file line number Diff line number Diff line change
Expand Up @@ -293,7 +293,10 @@ module, you can use the `--filter` option:_
```

For analyzing the benchmark results, use [node-benchmark-compare][] or the R
script `benchmark/compare.R`.
scripts:

* `benchmark/compare.R`
* `benchmark/bar.R`

```console
$ node-benchmark-compare compare-pr-5134.csv # or cat compare-pr-5134.csv | Rscript benchmark/compare.R
Expand Down