Power of two size-pools - #2

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eightbitraptor wants to merge 21 commits into

mvh-power-two-sizepools

Commits on Feb 27, 2026

Use power-of-2 size pool slot sizes
eightbitraptor
committed
12cbd04
Add a 32 byte size pool for small objects
eightbitraptor
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0e6ade3
Introduce RVALUE_SIZE to capture the size of most RVALUES
eightbitraptor
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aca2778
Fix unsigned underflow in shape capacity for small size pools
eightbitraptor
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f6f96d5
Fix shape capacity for heaps with no room for embedded IVs
eightbitraptor
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44439e5
Ensure T_OBJECT always has room for external IV storage
eightbitraptor
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5e886e8
Scale initial heap size by bytes rather than slot count
eightbitraptor
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1a69884
Fix the zjit tests.
eightbitraptor
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415720b
Update gc.rb docs for 6 size pools
eightbitraptor
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1d62f38
Fix STATIC_ASSERT for class embedding with power-of-2 pools
eightbitraptor
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a6d4b97
Fix MMTk BASE_SLOT_SIZE to match default GC
eightbitraptor
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b08f648
Remove stale MMTk test exclusion for test_dump_includes_slot_size
eightbitraptor
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34acfad
Use VALUE alignment for pointer checks
eightbitraptor
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01251a1
Introduce slot size lookup table with 48-byte pool
eightbitraptor
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3d9e5b0
Fix re-embed test for 48-byte RVALUE pool
eightbitraptor
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d70af8c
Fix allocator and bitmap ops for non-power-of-two pools
eightbitraptor
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28d69e1

Commits on Feb 28, 2026

Rename MMTk SIZE_POOL_COUNT to HEAP_COUNT
eightbitraptor
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7cb2c66
Fix RVALUE size assertion for debug builds
eightbitraptor
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e9dbd9d

Commits on Mar 1, 2026

Update ZJIT snapshot for 48-byte RVALUE pool
eightbitraptor
committed
7ec8f54

Commits on Mar 2, 2026

Use power-of-two pools on 32-bit for now
eightbitraptor
committed
98223e5
Fix MMTk RVALUE_OVERHEAD and ractor belonging
eightbitraptor
committed
000910c