diff options
| author | Jean Boussier <[email protected]> | 2025-05-10 16:18:33 +0200 |
|---|---|---|
| committer | Jean Boussier <[email protected]> | 2025-05-14 14:41:46 +0200 |
| commit | b5575a80bc3849651c395d0ae470eb41dc3aa897 () | |
| tree | dd6c002def6b08de4e58ddb534084d313627644e /include/ruby | |
| parent | 920dc0fe3aafaf4d70f742abf846d7a2d9c142c4 (diff) | |
Reduce `Object#object_id` contention.
If the object isn't shareable and already has a object_id we can access it without a lock. If we need to generate an ID, we may need to lock to find the child shape. We also generate the next `object_id` using atomics.
Notes: Merged: https://.com/ruby/ruby/pull/13298
| -rw-r--r-- | include/ruby/atomic.h | 44 |
1 files changed, 44 insertions, 0 deletions
@@ -198,6 +198,18 @@ typedef unsigned int rb_atomic_t; #define RUBY_ATOMIC_DEC(var) rbimpl_atomic_dec(&(var)) /** * Identical to #RUBY_ATOMIC_INC, except it expects its argument is `size_t`. * There are cases where ::rb_atomic_t is 32bit while `size_t` is 64bit. This * should be used for size related operations to support such platforms. @@ -401,6 +413,38 @@ rbimpl_atomic_fetch_add(volatile rb_atomic_t *ptr, rb_atomic_t val) #endif } RBIMPL_ATTR_ARTIFICIAL() RBIMPL_ATTR_NOALIAS() RBIMPL_ATTR_NONNULL((1)) |