On Thu, 6 Jan 2022, James Read via curl-library wrote:
Extensive testing with epoll has showed limitations in the speed up when using concurrent connections.
Have you ruled out that these limitations aren't just the results of bugs or plain inefficiencies in the code?
Perhaps it would be useful to add support for PACKET_MMAP style communication to get more speed up out of it.
In general I'm in favor of adventures to improve performance. Doing PACKET_MMAP style networking sounds like the TLS layer would also need some serious adjustments, so quite a hefty effort probably. Optimized transfers for clear-text only would feel a tad bit too much like 2016 or so! :-)
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