diff options
author | Nathan Whitaker <17734409+nathanwhit@users.noreply.github.com> | 2024-05-28 11:59:17 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-05-28 11:59:17 -0700 |
commit | 3e8f29ae4123abaddd9544a87e16448219fdd5f7 (patch) | |
tree | 767e5d66848aa675f79f4add980e5993a861f3b8 /cli/npm/managed/resolvers | |
parent | 448fe67b7a2142f62332b651f9d215534dceb1f5 (diff) |
perf(cli): Optimize setting up `node_modules` on macOS (#23980)
Hard linking (`linkat`) is ridiculously slow on mac. `copyfile` is
better, but what's even faster is `clonefile`. It doesn't have the space
savings that comes with hardlinking, but the performance difference is
worth it imo.
```
❯ hyperfine -i -p 'rm -rf node_modules/' '../../d7/target/release/deno cache npm:@11ty/eleventy' 'deno cache npm:@11ty/eleventy'
Benchmark 1: ../../d7/target/release/deno cache npm:@11ty/eleventy
Time (mean ± σ): 115.4 ms ± 1.2 ms [User: 27.2 ms, System: 87.3 ms]
Range (min … max): 113.7 ms … 117.5 ms 10 runs
Benchmark 2: deno cache npm:@11ty/eleventy
Time (mean ± σ): 619.3 ms ± 6.4 ms [User: 34.3 ms, System: 575.6 ms]
Range (min … max): 612.2 ms … 633.3 ms 10 runs
Summary
../../d7/target/release/deno cache npm:@11ty/eleventy ran
5.37 ± 0.08 times faster than deno cache npm:@11ty/eleventy
```
Diffstat (limited to 'cli/npm/managed/resolvers')
-rw-r--r-- | cli/npm/managed/resolvers/local.rs | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/cli/npm/managed/resolvers/local.rs b/cli/npm/managed/resolvers/local.rs index 055fdfb23..5362d2f61 100644 --- a/cli/npm/managed/resolvers/local.rs +++ b/cli/npm/managed/resolvers/local.rs @@ -17,6 +17,7 @@ use crate::cache::CACHE_PERM; use crate::npm::cache_dir::mixed_case_package_name_decode; use crate::util::fs::atomic_write_file; use crate::util::fs::canonicalize_path_maybe_not_exists_with_fs; +use crate::util::fs::clone_dir_recursive; use crate::util::fs::symlink_dir; use crate::util::fs::LaxSingleProcessFsFlag; use crate::util::progress_bar::ProgressBar; @@ -44,8 +45,6 @@ use serde::Deserialize; use serde::Serialize; use crate::npm::cache_dir::mixed_case_package_name_encode; -use crate::util::fs::copy_dir_recursive; -use crate::util::fs::hard_link_dir_recursive; use super::super::super::common::types_package_name; use super::super::cache::NpmCache; @@ -331,16 +330,9 @@ async fn sync_resolution_with_fs( let sub_node_modules = folder_path.join("node_modules"); let package_path = join_package_name(&sub_node_modules, &package.id.nv.name); - fs::create_dir_all(&package_path) - .with_context(|| format!("Creating '{}'", folder_path.display()))?; let cache_folder = cache.package_folder_for_name_and_version(&package.id.nv); - if hard_link_dir_recursive(&cache_folder, &package_path).is_err() { - // Fallback to copying the directory. - // - // Also handles EXDEV when when trying to hard link across volumes. - copy_dir_recursive(&cache_folder, &package_path)?; - } + clone_dir_recursive(&cache_folder, &package_path)?; // write out a file that indicates this folder has been initialized fs::write(initialized_file, "")?; @@ -373,9 +365,7 @@ async fn sync_resolution_with_fs( let sub_node_modules = destination_path.join("node_modules"); let package_path = join_package_name(&sub_node_modules, &package.id.nv.name); - fs::create_dir_all(&package_path).with_context(|| { - format!("Creating '{}'", destination_path.display()) - })?; + let source_path = join_package_name( &deno_local_registry_dir .join(get_package_folder_id_folder_name( @@ -384,7 +374,7 @@ async fn sync_resolution_with_fs( .join("node_modules"), &package.id.nv.name, ); - hard_link_dir_recursive(&source_path, &package_path)?; + clone_dir_recursive(&source_path, &package_path)?; // write out a file that indicates this folder has been initialized fs::write(initialized_file, "")?; } |