<i18n dev> RFR: 8260555: Change the default TIMEOUT_FACTOR from 4 to 1 [v3]

[Leo Korinth]

On Fri, 15 Aug 2025 14:05:49 GMT, SendaoYan <syan at openjdk.org> wrote:

>> Leo Korinth has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   added extra timeout for: jdk/internal/vm/Continuation/BasicExt.java#COMP_WINDOW_LENGTH_{1-3}-GC_AFTER_YIELD
>
> make/RunTests.gmk line 940:
> 
>> 938:   JTREG_AUTO_PROBLEM_LISTS :=
>> 939:   # Please reach consensus before changing this. It was not easy changing it to a `1`.
>> 940:   JTREG_AUTO_TIMEOUT_FACTOR := 1
> 
> Since the default value of JTREG_AUTO_TIMEOUT_FACTOR set to 1 by default, then the value of [JTREG_AUTO_TIMEOUT_FACTOR](https://github.com/lkorinth/jdk/blob/dbe42964371a38b2c6cd9e842c5b28ca4ac15506/make/RunTests.gmk#L944) when run with -Xcomp should be change from 10 to 2.5()

It is unclear to me if the author meant this to be `2.5` more than normal or `10` more than JTREG default, or a `multiplier that seems to work`. It does not bother me _more_ if it is a `10` then a `2.5`, as it needs to have a value that is not the multiplicative identity value. I will not change this, the change I have made is already large enough and I want this to be integrated ASAP.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26749#discussion_r2281781536