MMTk 0.28.0

0.28.0 (2024-09-27)

What's Changed

API

• Require ObjectReference to point inside object by @wks in #1195
• Return if a GC ran or not for handle_user_collection_request by @k-sareen in #1205

CI

• Update ci-perf-kit to 0.7.6 by @qinsoon in #1199
• Update ci-perf-kit to plot epoch by @qinsoon in #1208

Misc

• Skip iterating through unallocated memory for MonotonePageResource by @k-sareen in #1189
• Fix find_last_non_zero_bit, and align metadata address before converting to data address. by @qinsoon in #1188
• Panic message and outdated comments by @wks in #1191
• Filter the result for find_prev_non_zero_value_fast to make sure it is in the search range by @qinsoon in #1192
• Assert OBJECT_REF_OFFSET_LOWER_BOUND invariant by @wks in #1194
• Minor fixes by @wks in #1196
• Add a feature immix_stress_copying by @qinsoon in #1202
• Update migration guide for #1205 by @qinsoon in #1211

Full Changelog: v0.27.0...v0.28.0