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We identify empty blocks lazily now

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This commit is contained in:
Andy Wingo 2022-05-26 08:49:46 +02:00
parent bc73c5ad02
commit 808d365f4b
2 changed files with 1 additions and 2 deletions
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1
README.md
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@ -155,7 +155,6 @@ large majority of use cases.
- [ ] Immix-style opportunistic evacuation
- [ ] Overflow allocation
- [ ] Lazy identification of empty blocks
- [ ] Generational GC via sticky mark bits
- [ ] Generational GC with semi-space nursery
- [ ] Concurrent marking with SATB barrier

2
whippet.h
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@ -934,7 +934,7 @@ static size_t next_hole(struct mutator *mut) {
size_t granules = next_hole_in_block(mut);
if (granules) {
// If the hole spans only part of a block, give it to the mutator.
if (granules <= GRANULES_PER_BLOCK)
if (granules < GRANULES_PER_BLOCK)
return granules;
// Sweeping found a completely empty block. If we have pending
// pages to release to the OS, we should unmap this block.