masaori335 opened a new issue #8003: URL: https://github.com/apache/trafficserver/issues/8003
Here are some numbers from the measurement of the overhead of `dynamic_cast` on the inbound side of HTTP/1.1 on TCP. ## Profile on Instruments Instuments says `0.7%` on `__dynamic_cast` and it's the second heaviest call of `Htt1ClientSession::new_transaction()` ( on the master branch (c6d3f6fac) ) <img width="884" alt="Screen Shot 2021-06-28 at 9 52 58" src="https://user-images.githubusercontent.com/741391/123646651-5f2b4d00-d862-11eb-98d0-00e37004db05.png";> ## rec/sec items|master| PoC | diff -- | -- | -- | -- avg | 41379.7169 | 42578.5729 | 1.029 90%tile | 44459.874 | 45816.123 | 1.031 min | 34569.55 | 35596.56 | 1.030 max | 46382.62 | 47461.07 | 1.023 - master: c6d3f6fac - PoC: #8002 (e9a837a29fccde93ad63b785771ef12945e15a63) - CPU: Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz, 40 core - 1KB response body - 100% cache hit - no Keep-Alive - ATS: default thread settings - Client: ``` for x in {1..100}; do h2load --h1 -n 100000 -m 1 -c 10 http://127.0.0.1:8080/static/1kb >> master.log; done ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
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