On Tue, 12 Nov 2024 17:22:16 +0800 liqiang wrote: > We create a lock-less link list for the currently > idle reusable smc_buf_desc. > > When the 'used' filed mark to 0, it is added to > the lock-less linked list. > > When a new connection is established, a suitable > element is obtained directly, which eliminates the > need for traversal and search, and does not require > locking resource. > > Through my testing, this patch can significantly improve > the link establishment speed of SMC, especially in the > multi-threaded short connection benchmark. > > I tested the time-consuming comparison of this function > under multiple connections based on redis-benchmark > (test in smc loopback-ism mode): > > The function 'smc_buf_get_slot' takes less time when a > new SMC link is established: > 1. 5us->100ns (when there are 200 active links); > 2. 30us->100ns (when there are 1000 active links). We're closing net-next and didn't get any review tags on this patch, either from IBM or Alibaba folks. Please try again after the merge window (after Dec 2nd, once v6.13-rc1 is tagged). -- pw-bot: defer
