Daniel Stenberg via curl-library <[email protected]> wrote on 2023-02-09 at 11:26:09:
> On Thu, 9 Feb 2023, Stephan Mühlstrasser via curl-library wrote: > > > I'm attempting to upgrade libcurl in an application from 7.85.0 to 7.87.0. > > When I run tests against an internal test server, I see a major slowdown > > for > > HTTPS connections. It is worst when proxies are involved, but I see also a > > slowdown without proxies. > > Yes, we are already aware of this regression and several fixes have been > landed in git to address this. Actually to the level that in our tests, git > master is much faster to first byte received than ever before (as far as I > have verified in my tests at least). > > It would be helpful if you could verify that the slowdown is gone for you as > well if you build and test with current git master. > > This regression happened because we don't do regular performance tests, and > as > everything still kept working, albeit too slowly, we did not notice this in > time before the release! :-O In the Privoxy project we currently don't do regular and systematic performance tests either ... While I started to collect some TLS benchmarks [0] a while ago I haven't updated them for quite some time. There recently was a significant performance regression [1] that was fixed in time [2] but delayed the 3.0.34 release. As some of you know, there are already patches available to use a subset of the curl tests with Privoxy [3] but due to the lack of curl performance tests Privoxy's performance regression wasn't detected with automated testing. Long story short: I'd be interested to collaborate on creating curl performance tests so I can leverage them to test Privoxy as well. Fabian [0]: <https://www.fabiankeil.de/gehacktes/privoxy-tls-benchmarks/> [1]: <https://lists.privoxy.org/pipermail/privoxy-devel/2023-January/000579.html> [2]: <https://www.privoxy.org/gitweb/?p=privoxy.git;a=commitdiff;h=18eeee66a85d364b56> [3]: <https://www.fabiankeil.de/sourcecode/privoxy/privoxy-cts-tests-2022-06-03.diff>
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