Re: [cocci] Cocci MUCH more slow after 6.11

I'm happy to report this performance issue was identified and will be 
fixed in the next release.

Victor

On 1/5/26 16:05, Julia Lawall wrote:
>
> On Mon, 5 Jan 2026, Ricardo Ribalda wrote:
>
>> Hi Julia
>>
>>
>>
>> On Sun, 4 Jan 2026 at 22:29, Julia Lawall <[email protected]> wrote:
>>>
>>>
>>> On Tue, 16 Dec 2025, Ricardo Ribalda wrote:
>>>
>>>> Hi Laura
>>>>
>>>> Has there been any progress on this?
>>>>
>>>> I am stuck with an old Debian version in our CI and I would like to
>>>> update to debian stable.
>>> Hello,
>>>
>>> I made some improvements to the minmax semantic patch that made it go 4x
>>> faster on my test machine.  Maybe it will help.
>>>
>> Thanks for the file. Testing with 6.19-rc4.
>>
>> You should be easily be able to repro with docker/podman. If you need
>> help reproducing, let me know
>>
>> With bookworm and old minmax.cocci (baseline)
>> real    3m37.891s
>> user    77m19.816s
>> sys     2m12.033s
>>
>> With trixie and old minmax.cocci
>> eal    9m8.442s
>> user    195m42.341s
>> sys     5m53.336s
>>
>> With trixie and new minmax.cocci
>> real    8m19.803s
>> user    165m8.025s
>> sys     5m52.308s
> Interesting.  I had 32 minutes for old minmax and 8 minutes for the new
> one.
>
>> With these extra warnings:
>> warning: rmaxif: metavariable func not used in the - or context code
>> warning: errcode: metavariable func not used in the - or context code
>> warning: rmin: metavariable func not used in the - or context code
>> warning: rminif: metavariable func not used in the - or context code
>> warning: rmaxif: metavariable func not used in the - or context code
>> warning: errcode: metavariable func not used in the - or context code
>> warning: rmin: metavariable func not used in the - or context code
>> warning: rminif: metavariable func not used in the - or context code
>> warning: rmaxif: metavariable func not used in the - or context code
>> warning: errcode: metavariable func not used in the - or context code
>> warning: rmin: metavariable func not used in the - or context code
>> warning: rminif: metavariable func not used in the - or context code
> This is noise.  I will remove these variables.
>
>> It is definitely better, but it is still ~2.4 times slower
> Interesting.  It's not clear to me what would have ever caused the old
> version to be efficient...  Thanks for the report.
>
> julia
>
>> Best regards!
>>
>>
>>
>>
>> --
>> Ricardo Ribalda
>>