[commit: containers] master: Scripts for comparing csv results of benchmarks. (12d03eb)

Repository : ssh://darcs.haskell.org//srv/darcs/packages/containers

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/12d03ebd2755f6acb78516d8f7ca5954b1e76cb0

>---------------------------------------------------------------

commit 12d03ebd2755f6acb78516d8f7ca5954b1e76cb0
Author: Milan Straka <[email protected]>
Date:   Sat Apr 14 18:40:31 2012 +0200

    Scripts for comparing csv results of benchmarks.

>---------------------------------------------------------------

 .gitignore              |    1 +
 benchmarks/Makefile     |    2 +-
 benchmarks/bench-cmp.pl |   24 ++++++++++++++++++++++++
 benchmarks/bench-cmp.sh |    3 +++
 4 files changed, 29 insertions(+), 1 deletions(-)

diff --git a/.gitignore b/.gitignore
index f5c7aee..e80379d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 *.tix
 .hpc/
 /dist/*
+/benchmarks/*.csv
 GNUmakefile
 dist-install
 ghc.mk
diff --git a/benchmarks/Makefile b/benchmarks/Makefile
index 00e52a1..de6f612 100644
--- a/benchmarks/Makefile
+++ b/benchmarks/Makefile
@@ -11,4 +11,4 @@ clean:
 	rm -rf tmp $(patsubst %.hs, bench-%, $(wildcard *.hs))
 
 veryclean: clean
-	rm -rf $(patsubst %.hs, bench-%.csv, $(wildcard *.hs))
+	rm -rf *.csv
diff --git a/benchmarks/bench-cmp.pl b/benchmarks/bench-cmp.pl
new file mode 100755
index 0000000..b1864c7
--- /dev/null
+++ b/benchmarks/bench-cmp.pl
@@ -0,0 +1,24 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+
+@ARGV >= 2 or die "Usage: bench-cmp.pl csv_file_1 csv_file_2";
+open (my $f1, "<", $ARGV[0]) or die "Cannot open file $ARGV[0]";
+open (my $f2, "<", $ARGV[1]) or die "Cannot open file $ARGV[1]";
+
+my $l1 = <$f1>;
+my $l2 = <$f2>;
+$l1 eq $l2 or die "CSV files do not correspond -- $l1 and $l2";
+
+while (defined($l1 = <$f1>)) {
+  $l2 = <$f2>;
+
+  my @parts1 = split /,/, $l1;
+  my @parts2 = split /,/, $l2;
+
+  $parts1[0] eq $parts2[0] or die "CSV files do not correspond -- $parts1[0] and $parts2[0]";
+  printf "%s;%+7.2f%%;%.2e\n", $parts1[0], 100 * $parts2[1] / $parts1[1] - 100, $parts1[1];
+}
+
+close $f2;
+close $f1;
diff --git a/benchmarks/bench-cmp.sh b/benchmarks/bench-cmp.sh
new file mode 100755
index 0000000..157b578
--- /dev/null
+++ b/benchmarks/bench-cmp.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+./bench-cmp.pl "$@" | column -nts\; | less -SR