Bump version to v0.19 (#908)

This PR bumps MMTk core to v0.19. It updates the pinned Rust version to
1.71.1, and MSRV to 1.66.

CHANGELOG.md

@@ -1,3 +1,83 @@
+0.19.0 (2023-08-18)
+===
+
+## What's Changed
+
+### Plan
+* Remove a warning in sticky immix trace_object_nursery by @qinsoon in https://github.com/mmtk/mmtk-core/pull/815
+* Change default plan to GenImmix by @qinsoon in https://github.com/mmtk/mmtk-core/pull/819
+
+### Policy
+* Remove redundant clear_nursery() by @tianleq in https://github.com/mmtk/mmtk-core/pull/799
+* Introduce VMSpace, and allow VMSpace to be set lazily by @qinsoon in https://github.com/mmtk/mmtk-core/pull/802
+* Fix an issue that the aligned VM space may not match the original location by @qinsoon in https://github.com/mmtk/mmtk-core/pull/809
+* Remove some uses of mem::transmute in marksweep block by @qinsoon in https://github.com/mmtk/mmtk-core/pull/826
+* Fix `is_live` for ImmixSpace by @wks in https://github.com/mmtk/mmtk-core/pull/842
+* Sweep abandoned blocks in eager sweeping by @qinsoon in https://github.com/mmtk/mmtk-core/pull/830
+* Fix VO bits for Immix by @wks in https://github.com/mmtk/mmtk-core/pull/849
+* Fix unaligned access by @wks in https://github.com/mmtk/mmtk-core/pull/887
+
+### Scheduler
+* Let the coordinator thread open buckets by @wks in https://github.com/mmtk/mmtk-core/pull/782
+* No coordinator work by @wks in https://github.com/mmtk/mmtk-core/pull/794
+
+### Misc
+* Rename "alloc bit" to "valid-object bit" (VO bit), the second attempt. by @wks in https://github.com/mmtk/mmtk-core/pull/791
+* Add MarkState. Use MarkState for ImmortalSpace. by @qinsoon in https://github.com/mmtk/mmtk-core/pull/796
+* Change info logging to debug in ImmortalSpace by @qinsoon in https://github.com/mmtk/mmtk-core/pull/801
+* Reset nursery_index in finalizable processor if we remove objects from candidates by @qinsoon in https://github.com/mmtk/mmtk-core/pull/807
+* Allow bulk set side metadata by @qinsoon in https://github.com/mmtk/mmtk-core/pull/808
+* Some fixes for sanity GC by @qinsoon in https://github.com/mmtk/mmtk-core/pull/806
+* Use extreme assertion for metadata mapped assert by @wks in https://github.com/mmtk/mmtk-core/pull/812
+* Install the missing deps for i686 CI tests by @qinsoon in https://github.com/mmtk/mmtk-core/pull/816
+* Use min nursery as mem balancer's extra memory by @qinsoon in https://github.com/mmtk/mmtk-core/pull/820
+* Sort dependencies in alphabetical order by @k-sareen in https://github.com/mmtk/mmtk-core/pull/822
+* Use sysinfo instead of sys-info-rs by @k-sareen in https://github.com/mmtk/mmtk-core/pull/827
+* Let sysinfo only load memory-related info by @wks in https://github.com/mmtk/mmtk-core/pull/836
+* Add extreme assertion for barrier slow path calls by @ArberSephirotheca in https://github.com/mmtk/mmtk-core/pull/833
+* Refactor: Use `Atomic<Address>` where appropriate by @ClSlaid in https://github.com/mmtk/mmtk-core/pull/843
+* Update porting guide by @k-sareen in https://github.com/mmtk/mmtk-core/pull/857
+* Fix typo in doc comment by @k-sareen in https://github.com/mmtk/mmtk-core/pull/859
+* Replace debug_assert in side_after with assert by @qinsoon in https://github.com/mmtk/mmtk-core/pull/873
+* Work around stack overflow in array_from_fn by @wks in https://github.com/mmtk/mmtk-core/pull/876
+* Let ObjectReference implement Ord by @wks in https://github.com/mmtk/mmtk-core/pull/870
+* Add USDT tracepoints for key GC activities by @caizixian in https://github.com/mmtk/mmtk-core/pull/883
+* Fix UB in SFTMap implementations by @playXE in https://github.com/mmtk/mmtk-core/pull/879
+* Run CI build/unit test with latest stable Rust toolchain by @qinsoon in https://github.com/mmtk/mmtk-core/pull/885
+* Document MSRV policy by @wks in https://github.com/mmtk/mmtk-core/pull/881
+* Fix performance regression test scripts by @qinsoon in https://github.com/mmtk/mmtk-core/pull/892
+* Run V8 binding tests on GitHub hosted runner by @caizixian in https://github.com/mmtk/mmtk-core/pull/900
+* Add tracing tools and documentation by @caizixian in https://github.com/mmtk/mmtk-core/pull/898
+* Run benchmarks for more plans on OpenJDK by @qinsoon in https://github.com/mmtk/mmtk-core/pull/901
+* Apply style check on auxiliary crates (macros and dummyvm) by @caizixian in https://github.com/mmtk/mmtk-core/pull/913
+* Call Collection::out_of_memory if the allocation size is larger than max heap size by @qinsoon in https://github.com/mmtk/mmtk-core/pull/896
+* Add a unit test for comma-separated bulk option parsing by @caizixian in https://github.com/mmtk/mmtk-core/pull/911
+* Merge tutorial and porting guide into user guide by @qinsoon in https://github.com/mmtk/mmtk-core/pull/907
+* Fix broken links in README and cargo doc warnings by @caizixian in https://github.com/mmtk/mmtk-core/pull/912
+
+### API
+* Add object() in MemorySlice by @qinsoon in https://github.com/mmtk/mmtk-core/pull/798
+* Remove Collection::COORDINATOR_ONLY_STW by @ArberSephirotheca in https://github.com/mmtk/mmtk-core/pull/814
+* Refactor: Change `ActivePlan::mutators()`'s return type by @ArberSephirotheca in https://github.com/mmtk/mmtk-core/pull/817
+* Replace alloc-related `offset` type to `usize` instead `isize` by @fepicture in https://github.com/mmtk/mmtk-core/pull/838
+* Rename ambiguous `scan_thread_root{,s}` functions by @k-sareen in https://github.com/mmtk/mmtk-core/pull/846
+* Update comments on bind_mutator by @qinsoon in https://github.com/mmtk/mmtk-core/pull/854
+* Counting VM-allocated pages into heap size. by @wks in https://github.com/mmtk/mmtk-core/pull/866
+* Expose Allocators type to public API by @playXE in https://github.com/mmtk/mmtk-core/pull/880
+* Collect live bytes during GC by @qinsoon in https://github.com/mmtk/mmtk-core/pull/768
+* Tidy up mutator scan API by @qinsoon in https://github.com/mmtk/mmtk-core/pull/875
+* Implement transparent hugepage support by @caizixian in https://github.com/mmtk/mmtk-core/pull/905
+* Implement AllocatorInfo by @playXE in https://github.com/mmtk/mmtk-core/pull/889
+* Add comma as an alternative options string separator by @wenyuzhao in https://github.com/mmtk/mmtk-core/pull/909
+
+## New Contributors
+* @ArberSephirotheca made their first contribution in https://github.com/mmtk/mmtk-core/pull/814
+* @fepicture made their first contribution in https://github.com/mmtk/mmtk-core/pull/838
+* @ClSlaid made their first contribution in https://github.com/mmtk/mmtk-core/pull/843
+* @playXE made their first contribution in https://github.com/mmtk/mmtk-core/pull/880
+
+**Full Changelog**: https://github.com/mmtk/mmtk-core/compare/v0.18.0...v0.19.0
+
 0.18.0 (2023-04-03)
 ===
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mmtk"
-version = "0.18.0"
+version = "0.19.0"
 authors = ["The MMTk Developers <>"]
 edition = "2021"
 license = "MIT OR Apache-2.0"
@@ -10,7 +10,7 @@ repository = "https://github.com/mmtk/mmtk-core"
 readme = "README.md"
 categories = ["memory-management"]
 keywords = ["gc", "garbage", "collection", "garbage-collection", "allocation"]
-rust-version = "1.61.0"
+rust-version = "1.66.0"
 build = "build.rs"
 
 [lib]
@@ -28,9 +28,7 @@ delegate = "0.9.0"
 downcast-rs = "1.1.1"
 enum-map = "2.4.2"
 env_logger = "0.10.0"
-# We do not use this crate, but env_logger uses it. env_logger uses is_terminal 0.4.0. However, since 0.4.8, is_terminal requires Rust 1.63.
-# So we fix on 0.4.7 here. Once we bump our MSRV, we can remove this.
-is-terminal = "=0.4.7"
+is-terminal = "0.4.7"
 itertools = "0.10.5"
 jemalloc-sys = { version = "0.5.3", features = ["disable_initial_exec_tls"], optional = true }
 lazy_static = "1.1"
@@ -39,19 +37,17 @@ log = { version = "0.4", features = ["max_level_trace", "release_max_level_off"]
 memoffset = "0.9"
 mimalloc-sys = { version = "0.1.6", optional = true }
 # MMTk macros
-mmtk-macros = { version = "0.18.0", path = "macros/" }
+mmtk-macros = { version = "0.19.0", path = "macros/" }
 num_cpus = "1.8"
 num-traits = "0.2"
 pfm = { version = "0.1.0-beta.3", optional = true }
-# Pin to <0.4.0 until we have MSRV >= 1.66, then we can bump to 0.5 (0.4 forces lazy evaluation https://github.com/cuviper/probe-rs/issues/19)
-probe = "0.3"
+probe = "0.5"
 regex = "1.7.0"
 spin = "0.9.5"
 static_assertions = "1.1.0"
 strum = "0.24"
 strum_macros = "0.24"
-# Fix on 0.29.5 so we have MSRV 1.61. Remove this when we update MSRV
-sysinfo = "=0.29.5"
+sysinfo = "0.29"
 
 [dev-dependencies]
 paste = "1.0.8"

macros/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "mmtk-macros"
 # the macro crate uses the same version as mmtk-core
-version = "0.18.0"
+version = "0.19.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "MMTk macros provides procedural macros used by mmtk-core."

rust-toolchain

@@ -1 +1 @@
-1.66.1
+1.71.1

src/util/alloc/allocators.rs

@@ -163,40 +163,30 @@ impl<VM: VMBinding> Allocators<VM> {
 //   LargeObject,
 // }
 #[repr(C, u8)]
-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Default)]
 pub enum AllocatorSelector {
     BumpPointer(u8),
     LargeObject(u8),
     Malloc(u8),
     Immix(u8),
     MarkCompact(u8),
     FreeList(u8),
+    #[default]
     None,
 }
 
-impl Default for AllocatorSelector {
-    fn default() -> Self {
-        AllocatorSelector::None
-    }
-}
-
 /// This type describes allocator information. It is used to
 /// generate fast paths for the GC. All offset fields are relative to [`Mutator`](crate::Mutator).
 #[repr(C, u8)]
-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Default)]
 pub enum AllocatorInfo {
     BumpPointer { bump_pointer_offset: usize },
     // FIXME: Add free-list fast-path
     Unimplemented,
+    #[default]
     None,
 }
 
-impl Default for AllocatorInfo {
-    fn default() -> Self {
-        AllocatorInfo::None
-    }
-}
-
 impl AllocatorInfo {
     /// Return an AllocatorInfo for the given allocator selector. This method is provided
     /// so that VM compilers may generate allocator fast-path and load fields for the fast-path.

src/util/copy/mod.rs

@@ -253,16 +253,11 @@ impl CopySemantics {
 }
 
 #[repr(C, u8)]
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Default)]
 pub enum CopySelector {
     CopySpace(u8),
     Immix(u8),
     ImmixHybrid(u8),
+    #[default]
     Unused,
 }
-
-impl std::default::Default for CopySelector {
-    fn default() -> Self {
-        CopySelector::Unused
-    }
-}