5d4cf52204
Also adds patch to make the jemalloc feature optional on musl, due to toolchains not being supported by upstream project. Signed-off-by: Sam Voss <sam.voss@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
132 lines
4.6 KiB
Diff
132 lines
4.6 KiB
Diff
From 68c2a4d7a5d9b46f65121958fdb12d5270bfd1b6 Mon Sep 17 00:00:00 2001
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From: Jonathan Stites <mail@jonstites.com>
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Date: Wed, 6 May 2020 12:55:35 +0000
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Subject: [PATCH] puts jemalloc allocator behind a cargo feature flag
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Retrieved from: https://github.com/BurntSushi/ripgrep/pull/1569
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Moves jemalloc behind a feature for musl builds, where it is not
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supported by the upstream project, so ripgrep will fail to build.
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Signed-off-by: Sam Voss <sam.voss@gmail.com>
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---
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.github/workflows/ci.yml | 6 ++++++
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.github/workflows/release.yml | 8 +++++++-
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Cargo.toml | 8 +++++++-
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README.md | 9 +++++++++
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crates/core/main.rs | 8 ++++++--
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5 files changed, 35 insertions(+), 4 deletions(-)
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diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
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index ab154ec..aa567d9 100644
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--- a/.github/workflows/ci.yml
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+++ b/.github/workflows/ci.yml
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@@ -149,6 +149,12 @@ jobs:
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if: matrix.target != ''
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run: ${{ env.CARGO }} test --verbose --workspace ${{ env.TARGET_FLAGS }}
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+ - name: Run tests with jemalloc (Musl)
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+ # We only use the jemalloc allocator when building with musl.
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+ # The system allocator is good enough for other platforms.
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+ if: matrix.os == 'nightly-musl'
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+ run: ${{ env.CARGO }} test --verbose --all --features jemalloc ${{ env.TARGET_FLAGS }}
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+
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- name: Test for existence of build artifacts (Windows)
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if: matrix.os == 'windows-2019'
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shell: bash
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diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
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index 7cfb6a4..ad6b82d 100644
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--- a/.github/workflows/release.yml
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+++ b/.github/workflows/release.yml
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@@ -133,7 +133,13 @@ jobs:
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echo "target flag is: ${{ env.TARGET_FLAGS }}"
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echo "target dir is: ${{ env.TARGET_DIR }}"
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- - name: Build release binary
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+ - name: Build release binary (linux)
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+ if: matrix.build == 'linux'
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+ # Use jemalloc allocator for much better performance over the musl default allocator
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+ run: ${{ env.CARGO }} build --verbose --release --features "pcre2 jemalloc" ${{ env.TARGET_FLAGS }}
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+
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+ - name: Build release binary (non-linux)
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+ if: matrix.build != 'linux'
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run: ${{ env.CARGO }} build --verbose --release --features pcre2 ${{ env.TARGET_FLAGS }}
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- name: Strip release binary (linux and macos)
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diff --git a/Cargo.toml b/Cargo.toml
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index fb78fcb..0d34b1e 100644
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--- a/Cargo.toml
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+++ b/Cargo.toml
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@@ -56,8 +56,9 @@ version = "2.33.0"
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default-features = false
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features = ["suggestions"]
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-[target.'cfg(all(target_env = "musl", target_pointer_width = "64"))'.dependencies.jemallocator]
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+[dependencies.jemallocator]
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version = "0.3.0"
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+optional = true
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[build-dependencies]
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lazy_static = "1.1.0"
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@@ -75,6 +76,11 @@ walkdir = "2"
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[features]
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simd-accel = ["grep/simd-accel"]
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pcre2 = ["grep/pcre2"]
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+# The jemalloc allocator is used for improved
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+# performance on x86 musl builds.
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+# Cargo does not yet support platform-specific features
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+# https://github.com/rust-lang/cargo/issues/1197
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+jemalloc = ["jemallocator"]
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[profile.release]
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debug = 1
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diff --git a/README.md b/README.md
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index 46938bc..9917b29 100644
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--- a/README.md
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+++ b/README.md
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@@ -406,6 +406,15 @@ build a static executable with MUSL and with PCRE2, then you will need to have
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`musl-gcc` installed, which might be in a separate package from the actual
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MUSL library, depending on your Linux distribution.
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+When building with the MUSL target on Linux, it is recommended to use the
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+jemalloc allocator for performance:
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+
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+```
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+$ rustup target add x86_64-unknown-linux-musl
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+$ cargo build --release --target x86_64-unknown-linux-musl --features jemalloc
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+```
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+
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+
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### Running tests
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diff --git a/crates/core/main.rs b/crates/core/main.rs
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index 47385de..c9dae5a 100644
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--- a/crates/core/main.rs
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+++ b/crates/core/main.rs
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@@ -31,7 +31,7 @@ mod subject;
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// have the fastest version of everything. Its goal is to be small and amenable
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// to static compilation.) Even though ripgrep isn't particularly allocation
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// heavy, musl's allocator appears to slow down ripgrep quite a bit. Therefore,
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-// when building with musl, we use jemalloc.
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+// we expose a feature for using jemalloc when building with musl.
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//
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// We don't unconditionally use jemalloc because it can be nice to use the
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// system's default allocator by default. Moreover, jemalloc seems to increase
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@@ -39,7 +39,11 @@ mod subject;
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//
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// Moreover, we only do this on 64-bit systems since jemalloc doesn't support
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// i686.
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-#[cfg(all(target_env = "musl", target_pointer_width = "64"))]
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+#[cfg(all(
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+ target_env = "musl",
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+ target_pointer_width = "64",
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+ feature = "jemalloc"
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+))]
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#[global_allocator]
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static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
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--
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2.32.0
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