[PATCH 1/5] benchtests: Add benchmarks for frexp functions
Osama Abdelkader
osama.abdelkader@gmail.com
Wed Oct 22 18:50:18 GMT 2025
On Wed, Oct 22, 2025 at 11:06:45AM +0200, Paul Zimmermann wrote:
> Dear Osama,
>
> on my computer I get for frexpf with your data set:
>
> "frexpf": {
> "workload-random-m20-p20": {
> "duration": 3.19203e+09,
> "iterations": 2.616e+08,
> "reciprocal-throughput": 10.5231,
> "latency": 13.8808,
> "max-throughput": 9.50294e+07,
> "min-throughput": 7.20417e+07
> }
> }
>
> If I use the larger data set from lgammaf_r-inputs, I get:
>
> "frexpf": {
> "workload-random-m20-p20": {
> "duration": 3.22859e+09,
> "iterations": 2.84e+08,
> "reciprocal-throughput": 9.01051,
> "latency": 13.726,
> "max-throughput": 1.10982e+08,
> "min-throughput": 7.28542e+07
> }
> }
>
> There is a significant difference for the reciprocal-throughput.
> Can you reproduce that difference?
>
> Usually I use data sets of 1000 values. I see there are very small files,
> for example sqrt-inputs. Is there any recommendation for the size of the
> data sets?
No idea to be honest.
>
> Paul
>
Dear Paul,
Thanks for the test, I'm going to re-try that with data set from lgammaf_r-inputs to be on the same page.
Best regards,
Osama
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