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| author | Jean Boussier <byroot@ruby-lang.org> | 2023-02-03 09:46:14 +0100 |
|---|---|---|
| committer | Jean Boussier <jean.boussier@gmail.com> | 2023-02-08 09:26:07 +0100 |
| commit | 3ab34551450c7a3a3e1ae0b24bf6b78d26129dfa (patch) | |
| tree | 274efe5d1465b8d65866002f1c74f7cb59a08b04 /man | |
| parent | 6e7990144f37850b9b3ec871956890e2aa29ad6d (diff) | |
| download | ruby-3ab34551450c7a3a3e1ae0b24bf6b78d26129dfa.tar.gz | |
Add RUBY_GC_HEAP_INIT_SIZE_%d_SLOTS to pre-init pools granularly
The old RUBY_GC_HEAP_INIT_SLOTS isn't really usable anymore as
it initalize all the pools by the same factor, but it's unlikely
that pools will need similar sizes.
In production our 40B pool is 5 to 6 times bigger than our 80B pool.
Diffstat (limited to 'man')
| -rw-r--r-- | man/ruby.1 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/man/ruby.1 b/man/ruby.1 index 86ad73c2ab..779167ac3e 100644 --- a/man/ruby.1 +++ b/man/ruby.1 @@ -550,7 +550,12 @@ There are currently 4 possible areas where the GC may be tuned by the following 11 environment variables: .Bl -hang -compact -width "RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR" .It Ev RUBY_GC_HEAP_INIT_SLOTS -Initial allocation slots. Introduced in Ruby 2.1, default: 10000. +Initial allocation slots. Applies to all slot sizes. Introduced in Ruby 2.1, default: 10000. +.Pp +.It Ev RUBY_GC_HEAP_INIT_SIZE_%d_SLOTS +Initial allocation of slots in a specific size pool. +The available size pools can be found in `GC.stat_heap`. +Introduced in Ruby 3.3. .Pp .It Ev RUBY_GC_HEAP_FREE_SLOTS Prepare at least this amount of slots after GC. |