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haproxy/include/import
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Willy Tarreau b957e2f3ef IMPORT: plock: use cpu_relax() for a shorter time in EBO 
Tests have shown that on modern CPUs it's interesting to wait a bit less
in cpu_relax(). Till now we were looping down to 60 iterations and then
switching to just barriers. Increasing the threshold to 90 iterations
left before getting out of the loop improved the average and max time
to grab a write lock by a few percent (e.g. 10% at 1us, 20% at 256ns
or lower). Higher values tend to progressively lose that gain so let's
stick to this one. This was measured on an EPYC 74F3 like previous
measurements that initially led to this value, and the value might
possibly depend on the mask applied to the loop counter.

This is plock commit 74ca0a7307fa6aec3139f27d3b7e534e1bdb748e.
2025-02-07 18:04:29 +01:00
..
atomic-ops.h MAJOR: threads/plock: update the embedded library again 2023-08-11 19:03:35 +02:00
cebtree-prv.h BUILD: cebtree: silence a bogus gcc warning on impossible code paths 2024-09-18 17:42:52 +02:00
cebtree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebu32_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebu64_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebua_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebub_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebuib_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebuis_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebul_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
cebus_tree.h IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
eb32sctree.h REORG: ebtree: split structures into their own file ebtree-t.h 2021-10-07 01:41:14 +02:00
eb32tree.h REORG: ebtree: split structures into their own file ebtree-t.h 2021-10-07 01:41:14 +02:00
eb64tree.h REORG: ebtree: split structures into their own file ebtree-t.h 2021-10-07 01:41:14 +02:00
ebimtree.h BUG/MEDIUM: ebtree: use a byte-per-byte memcmp() to compare memory blocks 2020-06-16 11:30:33 +02:00
ebistree.h CLEANUP: assorted typo fixes in the code and comments 2024-09-03 17:49:21 +02:00
ebmbtree.h OPTIM: ebtree: make ebmb_insert_prefix() keep a copy the new node's key 2022-11-15 09:37:09 +01:00
ebpttree.h REORG: ebtree: split structures into their own file ebtree-t.h 2021-10-07 01:41:14 +02:00
ebsttree.h CLEANUP: assorted typo fixes in the code and comments 2024-09-03 17:49:21 +02:00
ebtree-t.h REORG: ebtree: split structures into their own file ebtree-t.h 2021-10-07 01:41:14 +02:00
ebtree.h IMPORT: ebtree: make string_equal_bits() return an unsigned 2024-01-06 13:35:42 +01:00
ist.h MINOR: ist: define iststrip() new function 2024-04-26 11:29:25 +02:00
lru.h REORG: ebtree: move the include files from ebtree to include/import/ 2020-06-11 09:31:11 +02:00
mjson.h MINOR: sample: converter: Add mjson library. 2021-04-15 17:05:38 +02:00
mt_list.h BUILD: import/mt_list: support building with TCC 2024-11-05 15:43:17 +01:00
plock.h IMPORT: plock: use cpu_relax() for a shorter time in EBO 2025-02-07 18:04:29 +01:00
sha1.h IMPORT: sha1: import SHA1 functions 2017-10-25 04:45:48 +02:00
slz-tables.h BUILD: tree-wide: fix a few missing includes in a few files 2024-03-05 11:50:34 +01:00
slz.h IMPORT: slz: implement a synchronous flush() operation 2023-06-30 16:12:36 +02:00
xxhash.h BUILD: xxhash: silence a build warning on Solaris + gcc-5.5 2024-04-17 09:43:32 +02:00