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Disable jemalloc decay in benchmarks (#13299)

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Micha Reiser 2024-09-10 20:32:43 +02:00 committed by GitHub
parent 1d5bd89987
commit a528edad35
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2 changed files with 19 additions and 1 deletions
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2
crates/ruff_benchmark/Cargo.toml
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@ -66,4 +66,4 @@ codspeed = ["codspeed-criterion-compat"]
mimalloc = { workspace = true }
[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64")))'.dev-dependencies]
tikv-jemallocator = { workspace = true }
tikv-jemallocator = { workspace = true, features = ["unprefixed_malloc_on_supported_platforms"] }

18
crates/ruff_benchmark/benches/linter.rs
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@ -28,6 +28,24 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
#[global_allocator]
static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
// Disable decay after 10s because it can show up as *random* slow allocations
// in benchmarks. We don't need purging in benchmarks because it isn't important
// to give unallocated pages back to the OS.
// https://jemalloc.net/jemalloc.3.html#opt.dirty_decay_ms
#[cfg(all(
not(target_os = "windows"),
not(target_os = "openbsd"),
any(
target_arch = "x86_64",
target_arch = "aarch64",
target_arch = "powerpc64"
)
))]
#[allow(non_upper_case_globals)]
#[export_name = "malloc_conf"]
#[allow(unsafe_code)]
pub static malloc_conf: &[u8] = b"dirty_decay_ms:-1,muzzy_decay_ms:-1\0";
fn create_test_cases() -> Result<Vec<TestCase>, TestFileDownloadError> {
Ok(vec![
TestCase::fast(TestFile::try_download("numpy/globals.py", "https://raw.githubusercontent.com/numpy/numpy/89d64415e349ca75a25250f22b874aa16e5c0973/numpy/_globals.py")?),