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author | Peter Zhu <peter@peterzhu.ca> | 2021-08-26 10:06:32 -0400 |
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committer | Peter Zhu <peter@peterzhu.ca> | 2021-10-25 13:26:23 -0400 |
commit | a5b6598192c30187b19b892af3110a46f6a70d76 (patch) | |
tree | 4620f69a10659deb6f278b36c10ec7915194573e /gc.rb | |
parent | 6374be5a8188ff5ed2c70b9f1d76672c87a0eda7 (diff) |
[Feature #18239] Implement VWA for strings
This commit adds support for embedded strings with variable capacity and
uses Variable Width Allocation to allocate strings.
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/4933
Diffstat (limited to 'gc.rb')
-rw-r--r-- | gc.rb | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -256,6 +256,16 @@ module GC def self.verify_compaction_references(toward: nil, double_heap: false) Primitive.gc_verify_compaction_references(double_heap, toward == :empty) end + + # :nodoc: + # call-seq: + # GC.using_rvargc? -> true or false + # + # Returns true if using experimental feature Variable Width Allocation, false + # otherwise. + def self.using_rvargc? + GC::INTERNAL_CONSTANTS[:SIZE_POOL_COUNT] > 1 + end end module ObjectSpace |