snmalloc-rs

.github/dependabot.yml

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+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+- package-ecosystem: gitsubmodule
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10

.github/workflows/rust.yml

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+name: snmalloc-rs CI
+
+# The following should ensure that the workflow only runs a single set of actions
+# for each PR. But it will not apply this to pushes to the main branch.
+concurrency:
+  group: ${{ github.ref }}-rust
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    name: "${{ matrix.os }}-${{ matrix.release.name }}-${{ matrix.rust }} (features: ${{ matrix.features.name }})"
+    defaults:
+      run:
+        shell: bash
+        working-directory:
+          ./snmalloc-rs
+    strategy:
+      matrix:
+        os: [windows-latest, macos-14, macos-15, ubuntu-latest]
+        rust: [stable, nightly]
+        release:
+          - name: release
+            flag: "--release"
+          - name: debug
+            flag: ""
+        features:
+          - name: default
+            args: ""
+          - name: debug
+            args: "--features debug"
+          - name: check
+            args: "--features check"
+          - name: build_cc
+            args: '--features "build_cc usecxx17"'
+          - name: native-cpu
+            args: "--features native-cpu"
+          - name: local_dynamic_tls
+            args: "--features local_dynamic_tls"
+          - name: lto
+            args: "--features lto"
+      # Don't abort runners if a single one fails
+      fail-fast: false
+    steps:
+    - uses: actions-rs/toolchain@v1
+      with:
+        toolchain: ${{ matrix.rust }}
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: update dependency
+      run: |
+        if bash -c 'uname -s | grep 'Linux' >/dev/null'; then
+          sudo apt-get update -y && sudo apt-get --reinstall install -y libc6-dev
+        fi
+      shell: bash
+    - name: Build
+      run: cargo build ${{ matrix.release.flag }} --verbose ${{ matrix.features.args }}
+    - name: Run tests
+      run: cargo test ${{ matrix.release.flag }} --all ${{ matrix.features.args }}

snmalloc-rs/.gitignore

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+target
+Cargo.lock
+.idea
+
+# vscode dirs
+.vscode/
+.vs/

snmalloc-rs/CHANGELOG.md

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+## Changelog
+
+### 0.3.8
+
+- Tracking upstream to match version 0.7.1
+- Recommended to upgrade from 0.3.7 to get an important bug fix.
+
+### 0.3.7
+
+- Tracking upstream to match version 0.7
+
+### 0.3.4
+- Tracking upstream to match version 0.6.2
+
+### 0.3.3
+- Tracking upstream to fix Linux PAL typo.
+
+### 0.3.2
+- Tracking upstream to enable old Linux variants.
+
+### 0.3.1 
+- Fixes `build_cc` feature (broken in 0.3.0 release).
+- Fixes `native-cpu` feature (broken in 0.3.0 release).
+
+### 0.3.0 
+- Release to follow upstream 0.6.0
+- **upstream** Major redesign of the code to improve performance and 
+  enable a mode that provides strong checks against corruption.
+
+### 0.3.0-beta.1
+
+- Beta release to support snmalloc 2
+
+### 0.2.28
+- Deprecation of `cache-friendly`
+- Use exposed `alloc_zeroed` from `snmalloc`
+- **upstream** changes of remote communication, corruption detection and compilation flag detection.
+
+### 0.2.27
+
+- Reduction of libc dependency
+- **upstream** Windows 7 and windows 8 compatibility added
+- **upstream** Option to use C++20 standards if available
+- **upstream** Preparations of cherification (heavy refactors of the structure)
+- **upstream** Cold routine annotations
+
+### 0.2.26
+
+- **upstream** Building adjustment
+- option of cc crate as build feature, only c compiler needed, no cmake required
+- Addition of dynamic local TLS option
+
+### 0.2.25
+
+- **upstream** Apple M1 support
+- **upstream** Building adjust            
+- non-allocation tracking functions 
+
+### 0.2.24
+
+- **upstream** update to use a more efficient power of 2 check
+- fix msvc support w/ crt-static
+
+### 0.2.23
+
+- **upstream** fix external pagemap usage
+
+### 0.2.22
+
+- **upstream** avoid amplification when routing
+- **upstream** remotely store sizeclass
+- **upstream** limit flat pagemap size
+- **upstream** limit medium slab header
+- **upstream** solaris support fix
+
+### 0.2.21
+
+- **upstream** bug fix for using failing to initialise meta-data
+
+### 0.2.20
+
+- **upstream** pass through Haiku build fix. 
+- **upstream** fix typo in macro definition for 16MiB shared library shim.
+- **upstream** DragonFly support (userland).
+- **upstream** natural alignment for USE_MALLOC
+- **upstream** fix bug in pagemap when index has many level
+- **upstream** add constexpr annotation to align_up/down.
+
+### 0.2.19
+
+- **upstream** stats
+- **upstream** PAL updates and concepts
+- **upstream** ddd constexpr annotation to align_up/down
+- change macOS CI to follow xcode 12
+
+### 0.2.18
+
+- add msvc flag /EHsc to fix warning C4530
+
+### 0.2.17
+
+- **upstream** add backoff for large reservation
+- **upstream** default chunk configuration to 1mib
+- add new feature flags
+
+### 0.2.16
+
+- **upstream** New implementation of address space reservation leading to
+  - better integration with transparent huge pages; and
+  - lower address space requirements and fragmentation.
+- Notice MinGW broken state
+
+### 0.2.15
+
+- **upstream** fix VS2019 build
+- **upstream** fix wrong realloc behavior and performance issue
+
+### 0.2.14
+
+- **upstream** refactor ptr representation.
+- **upstream** improve for more targets and architectures.
+- seperate native CPU feature
+
+### 0.2.13
+
+- **upstream** large realloc fix and minor updates
+
+### 0.2.12
+
+- improve mingw support
+
+### 0.2.11
+
+- add android support
+- **upstream** support x86
+- **upstream** support android
+- **upstream** fix callback
+
+### 0.2.10
+
+- follow upstream 0.4.0
+- **upstream** defense TLS teardown
+- **upstream** adjust GCC warning
+- **upstream** other release optimizations
+
+### 0.2.9
+
+- **upstream** fix OpenEnclave
+- **upstream** adjust remote batch size (performance improved dramatically, see [benchmark](https://github.com/microsoft/snmalloc/pull/158#issuecomment-605816017)
+- **upstream** improve slow path performance for allocation
+
+### 0.2.8
+
+- More CI (**ARM64 on QEMU**)
+- **upstream** ARM(32/64) support
+- **upstream** x86-SGX support
+
+### 0.2.7
+
+- partially fixed `mingw`
+- **upstream** remote dealloc refactor (higher performance)
+- **upstream** remove extra assertions
+
+### 0.2.6
+
+- fix `macos`/`freebsd ` support
+- add more ci tests
+- mark the `mingw` problem

snmalloc-rs/Cargo.toml

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+[package]
+name = "snmalloc-rs"
+version = "0.3.8"
+authors = ["schrodingerzhu <[email protected]>"]
+edition = "2021"
+license = "MIT"
+description = "rust bindings of snmalloc."
+keywords = ["snmalloc", "allocator"]
+categories = ["memory-management", "api-bindings"]
+homepage = "https://github.com/microsoft/snmalloc"
+repository = "https://github.com/microsoft/snmalloc"
+readme = "README.md"
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[workspace]
+members = ["snmalloc-sys"]
+
+[dependencies]
+snmalloc-sys = { version = "0.3.8", path = "snmalloc-sys", default-features = false }
+
+[features]
+default = ["snmalloc-sys/build_cmake", "snmalloc-sys/usewait-on-address"]
+build_cc = ["snmalloc-sys/build_cc"]
+qemu = ["snmalloc-sys/qemu"]
+debug = ["snmalloc-sys/debug"]
+android-lld = ["snmalloc-sys/android-lld"]
+native-cpu = ["snmalloc-sys/native-cpu"]
+local_dynamic_tls = ["snmalloc-sys/local_dynamic_tls"]
+win8compat = ["snmalloc-sys/win8compat"]
+usecxx17 = ["snmalloc-sys/usecxx17"]
+check = ["snmalloc-sys/check"]
+lto = ["snmalloc-sys/lto"]
+notls = ["snmalloc-sys/notls"]
+stats = ["snmalloc-sys/stats"]
+usewait-on-address = ["snmalloc-sys/usewait-on-address"]
+libc-api = ["snmalloc-sys/libc-api"]

snmalloc-rs/LICENSE

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+MIT License
+
+Copyright (c) 2020 SchrodingerZhu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.