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Cargo.toml
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Cargo.toml
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[package]
name = "mmtk"
version = "0.27.0"
authors = ["The MMTk Developers <>"]
edition = "2021"
license = "MIT OR Apache-2.0"
description = "MMTk is a framework for the design and implementation of high-performance and portable memory managers."
homepage = "https://www.mmtk.io"
repository = "https://github.com/mmtk/mmtk-core"
readme = "README.md"
categories = ["memory-management"]
keywords = ["gc", "garbage", "collection", "garbage-collection", "allocation"]
rust-version = "1.71.1"
build = "build.rs"
[lib]
name = "mmtk"
crate-type = ["rlib"]
doctest = false
[dependencies]
atomic = "0.6.0"
atomic_refcell = "0.1.7"
atomic-traits = "0.4.0"
bytemuck = { version = "1.14.0", features = ["derive"] }
cfg-if = "1.0"
crossbeam = "0.8.1"
delegate = "0.12.0"
downcast-rs = "1.1.1"
enum-map = "2.4.2"
env_logger = "0.11.3"
is-terminal = "0.4.7"
itertools = "0.12.0"
jemalloc-sys = { version = "0.5.3", features = ["disable_initial_exec_tls"], optional = true }
lazy_static = "1.1"
libc = "0.2"
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 - we have to specify a version here in order to publish the crate, even though we use the dependency from a local path.
mmtk-macros = { version="0.27.0", path = "macros/" }
num_cpus = "1.8"
num-traits = "0.2"
pfm = { version = "0.1.1", optional = true }
portable-atomic = "1.4.3"
probe = "0.5"
regex = "1.7.0"
rustversion = "1.0"
spin = "0.9.5"
static_assertions = "1.1.0"
strum = "0.26.2"
strum_macros = "0.26.2"
sysinfo = "0.30.9"
[dev-dependencies]
paste = "1.0.8"
rand = "0.8.5"
rand_chacha = "0.3.1"
criterion = "0.4"
[build-dependencies]
built = { version = "0.7.1", features = ["git2"] }
[[bench]]
name = "main"
harness = false
[features]
default = []
# This feature is only supported on x86-64 for now
# It's manually added to CI scripts
perf_counter = ["pfm"]
# This feature is only used for tests with MockVM.
# CI scripts run those tests with this feature.
mock_test = ["test_private"]
# This feature will expose some private functions for testings or benchmarking.
test_private = []
# .github/scripts/ci-common.sh extracts features from the following part (including from comments).
# So be careful when editing or adding stuff to the section below.
# Do not modify the following line - ci-common.sh matches it
# -- Non mutually exclusive features --
# spaces with different semantics
# A VM-allocated/managed space. A binding could use this for their boot image, metadata space, etc.
# FIXME: This is not properly implemented yet (it is only working for JikesRVM): https://github.com/mmtk/mmtk-core/issues/415
# If a binding would need to trace/scan objects that is allocated and managed by the VM, `ActivePlan::vm_trace_object()` is an alternative.
vm_space = []
# Bulk set unlog bits for all objects inside the VM space. A binding can use
# this in case they do not have a way to iterate through objects in the
# bootimage to set the unlog bit. Note that this will set the unlog bit for
# addresses that may not correspond to valid objects.
set_unlog_bits_vm_space = []
# A readonly space.
# TODO: This is not properly implemented yet. We currently use an immortal space instead, and do not guarantee read-only semantics.
ro_space = []
# A code space with execution permission.
code_space = []
# By default, we only allow execution permission for code spaces. With this feature, all the spaces have execution permission.
# Use with care.
exec_permission_on_all_spaces = []
# Global valid object (VO) bit metadata.
# The VO bit is set when an object is allocated, and cleared when the GC determines it is dead.
# See `src/util/metadata/vo_bit/mod.rs`
#
# eager_sweeping: VO bits for dead objects must have been cleared by the end of each GC.
# Native MarkSweep only ensures this in eager sweeping mode.
vo_bit = ["eager_sweeping"]
# conservative garbage collection support
is_mmtk_object = ["vo_bit"]
# Enable object pinning, in particular, enable pinning/unpinning, and its metadata
object_pinning = []
# The following two features are useful for using Immix for VMs that do not support moving GC.
# Disable any object copying in Immix. This makes Immix a non-moving policy.
immix_non_moving = []
# Disable any object copying in nursery GC for Sticky Immix while allowing other kinds of copying.
# `immix_non_moving` disables all kinds of copying in Immix, so this feature is not needed
# if `immix_non_moving` is in use.
sticky_immix_non_moving_nursery = []
# Reduce block size for ImmixSpace. This mitigates fragmentation when defrag is disabled.
immix_smaller_block = []
# Zero the unmarked lines after a GC cycle in immix. This helps debug untraced objects.
immix_zero_on_release = []
# Run sanity GC
sanity = []
# Run analysis
analysis = []
# Use lock free variant of NoGC
nogc_lock_free = []
# Use lock free with no zeroing NoGC
nogc_no_zeroing = ["nogc_lock_free"]
# For using a single GC thread
# Q: Why do we need this as a compile time flat? We can always set the number of GC threads through options.
single_worker = []
# To run expensive comprehensive runtime checks, such as checking duplicate edges
extreme_assertions = []
# Enable multiple spaces for NoGC, each allocator maps to an individual ImmortalSpace.
nogc_multi_space = []
# To collect statistics for each GC work packet. Enabling this may introduce a small overhead (several percentage slowdown on benchmark time).
work_packet_stats = []
# Count the malloc'd memory into the heap size
malloc_counted_size = []
# Count the size of all live objects in GC
count_live_bytes_in_gc = []
# Workaround a problem where bpftrace scripts (see tools/tracing/timeline/capture.bt) cannot
# capture the type names of work packets.
bpftrace_workaround = []
# Do not modify the following line - ci-common.sh matches it
# -- Mutally exclusive features --
# Only one feature from each group can be provided. Otherwise build will fail.
# Name of the mutualy exclusive feature group. ci-common.sh matches lines like this one.
# Group:malloc
# only one of the following features should be enabled, or none to use the default malloc from libc
# this does not replace the global Rust allocator, but provides these libraries for GC implementation
malloc_mimalloc = ["mimalloc-sys"]
malloc_jemalloc = ["jemalloc-sys"]
# Use the native mimalloc allocator for malloc. This is not tested by me (Yi) yet, and it is only used to make sure that some code
# is not compiled in default builds.
malloc_native_mimalloc = []
# If there are more groups, they should be inserted above this line
# Group:end
# Group:marksweepallocation
# default is native allocator with lazy sweeping
eager_sweeping = []
# Use library malloc as the freelist allocator for mark sweep. This will makes mark sweep slower. As malloc may return addresses outside our
# normal heap range, we will have to use chunk-based SFT table. Turning on this feature will use a different SFT map implementation on 64bits,
# and will affect all the plans in the build. Please be aware of the consequence, and this is only meant to be experimental use.
malloc_mark_sweep = []
# Group:end