MMTk OpenJDK Binding 0.21.0

0.21.0 (2023-11-03)

What's Changed

• Update to mmtk-core PR #988 by @qinsoon in #255
• Update to MMTk core PR #949 by @qinsoon in #240

Full Changelog: v0.20.0...v0.21.0

MMTk OpenJDK Binding 0.20.0

0.20.0 (2023-09-29)

What's Changed

• Updating code to reflect API change by @udesou in #238
• Fix Cargo.lock by @wenyuzhao in #239
• Update tests to use dacapo-23.9-RC3-chopin by @qinsoon in #241
• Check results for new CI, allow some benchmarks to fail by @qinsoon in #211
• Fix ignored env var options by @wks in #244
• Update pgo-build script to use the pinned Rust toolchain by @caizixian in #236
• Compressed Oops Support by @wenyuzhao in #235

New Contributors

• @udesou made their first contribution in #238

Full Changelog: v0.19.0...v0.20.0

MMTk OpenJDK Binding 0.19.0

0.19.0 (2023-08-18)

What's Changed

• Rename alloc bit to valid object bit (VO bit) by @wks in #214
• Fix invalid register values in arraycopy_epilogue barrier by @wenyuzhao in #216
• Remove deprecated const. by @wks in #217
• Update MMTk core PR #817 (alternative approach) by @wks in #220
• Update to mmtk-core PR #838 by @qinsoon in #221
• Rename ambiguous scan_thread_root{,s} functions by @k-sareen in #222
• Update to MMTk core PR #875 by @qinsoon in #225
• Show the version after cd by @wks in #227
• Add features for genimmix and stickyimmix by @qinsoon in #228
• Pass hotspot command line flags to mmtk-core by @wenyuzhao in #229
• Fix unaligned edge access by @wks in #232

Full Changelog: v0.18.0...v0.19.0

MMTk OpenJDK Binding 0.18.0

• Support the StickyImmix plan.
• Fix a bug in the C2 compiler where we may update an object without any write barrier if C2 performs deoptimization and
  triggers a GC in deoptimization. We use object_probable_write to properly log the object.
• Update to OpenJDK 11.0.19+1 (jdk-11.0.19+1-mmtk).
• Update to mmtk-core 0.18.0.

MMTk OpenJDK Binding 0.17.0

• MMTk OpenJDK binding now uses Rust 1.66.1 and MSRV is 1.61.0.
• Support dynamic heap resizing (enabled when Xmx and Xms values are different).
• Remove all inline directives. We rely on Rust compiler and PGO for inline decisions. Add provide a PGO guide.
• Fix a crash caused by null pointer access if the VM calls CollectedHeap::soft_ref_policy().
• Update to mmtk-core 0.17.0.

MMTk OpenJDK Binding 0.16.0

• MMTk OpenJDK binding now uses Rust edition 2021.
• Support MMTk's native mark sweep plan.
• Rename a few functions so they have consistent names across Rust and C++.
• Fix a compilation error when barrier fast path is disabled.
• Fix the wrong function pointer type in Rust that refers to a native function pointer.
• Update to mmtk-core 0.16.0.

MMTk OpenJDK Binding 0.15.0

• Add MMTk build info to -Xinternalversion.
• Implement arraycopy barriers.
• Update to mmtk-core 0.15.0.

MMTk OpenJDK Binding 0.14.1

• Fix a bug that MMTk gets initialized even when we are not using MMTk's GC.

MMTk OpenJDK Binding 0.14.0

• Remove incorrect MMTkRootScanWorkScope.
• Remove unused compute_*_roots functions.
• Optimize CodeCache roots scanning.
• Fix a bug that mmtk_start_the_world_count may be incorrect.
• Update documentation about evaluation builds.
• Inlucde Cargo.lock in the repository.
• Update to mmtk-core 0.14.0.

MMTk OpenJDK Binding 0.13.0

• Fixes a bug that may cause programs to hang in stop-the-world synchronization.
• Updates to mmtk-core 0.13.0.