Re: [PATCH 2/2] CodeSamples/formal/herd/absperf-reduce: Enforce compare as number

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On Thu, May 28, 2020 at 07:44:11AM +0900, Akira Yokosawa wrote:
> >From 213bf072d15dfc3dce36b51a8bc1d35bd78e6609 Mon Sep 17 00:00:00 2001
> From: Akira Yokosawa <akiyks@xxxxxxxxx>
> Date: Thu, 28 May 2020 07:25:04 +0900
> Subject: [PATCH 2/2] CodeSamples/formal/herd/absperf-reduce: Enforce compare as number
> 
> When there are differences in the number of digits in runtime,
> absperf-reduce.sh miscalculates min and max values and shows strange
> results such as:
> 
>     C-SB+l-o-o-u+l-o-o-u+l-o-o-u-XE.litmus 13.255 11.81 9.64
>                                            (avr)  (min) (max)
> 
> Fix this by adding 0 on both sides of comparison and enforce conversion
> to numbers.  After this change:
> 
>     C-SB+l-o-o-u+l-o-o-u+l-o-o-u-XE.litmus 13.255 9.23 15.77
> 
> Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>

Applied and pushed both, thank you!

Did any of these runtime errors make their way into the tables in
the text?

							Thanx, Paul

> ---
>  CodeSamples/formal/herd/absperf-reduce.sh | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/CodeSamples/formal/herd/absperf-reduce.sh b/CodeSamples/formal/herd/absperf-reduce.sh
> index 0c338b8b..9cf52182 100644
> --- a/CodeSamples/formal/herd/absperf-reduce.sh
> +++ b/CodeSamples/formal/herd/absperf-reduce.sh
> @@ -16,9 +16,9 @@ awk '
>  		gsub(/user .*$/, "", curtesttime);
>  		testtime_n[curtest]++;
>  		testtime_sum[curtest] += curtesttime;
> -		if (testtime_max[curtest] == "" || curtesttime > testtime_max[curtest])
> +		if (testtime_max[curtest] == "" || curtesttime + 0 > testtime_max[curtest] + 0)
>  			testtime_max[curtest] = curtesttime;
> -		if (testtime_min[curtest] == "" || curtesttime < testtime_min[curtest])
> +		if (testtime_min[curtest] == "" || curtesttime + 0 < testtime_min[curtest] + 0)
>  			testtime_min[curtest] = curtesttime;
>  	}
>  }
> -- 
> 2.17.1
> 
> 



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