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Re: CPU usage since 8.7.1
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From: Patrick Schlangen via curl-library <curl-library_at_lists.haxx.se>
Date: Thu, 30 Oct 2025 19:46:03 +0000
> Am 30.10.2025 um 20:04 schrieb Dmitry Karpov via curl-library <curl-library_at_lists.haxx.se>:
>
>
>>
>> We'd have to revisit rate-limited/paused transfers in the future. Your measurements show that this could be better.
>> Not sure when we'll find the time for that. So, I cannot promise anything.
>
> Yes, it would be great if it could be addressed in the future as the inaccuracy with a tendency to give more bandwidth to the rate limited transfers
> than the rate limit could be a significant regression for certain applications, where precise bandwidth distribution between transfers with different priorities
> might be more valuable than a bit higher CPU utilization.
It might not be the nicest API design, but would it be an idea to have a curl option to chose between accurate and relaxed bandwidth enforcement mode?
Best,
Patrick
Date: Thu, 30 Oct 2025 19:46:03 +0000
> Am 30.10.2025 um 20:04 schrieb Dmitry Karpov via curl-library <curl-library_at_lists.haxx.se>:
>
>
>>
>> We'd have to revisit rate-limited/paused transfers in the future. Your measurements show that this could be better.
>> Not sure when we'll find the time for that. So, I cannot promise anything.
>
> Yes, it would be great if it could be addressed in the future as the inaccuracy with a tendency to give more bandwidth to the rate limited transfers
> than the rate limit could be a significant regression for certain applications, where precise bandwidth distribution between transfers with different priorities
> might be more valuable than a bit higher CPU utilization.
It might not be the nicest API design, but would it be an idea to have a curl option to chose between accurate and relaxed bandwidth enforcement mode?
Best,
Patrick
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