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![]() The same issue in two different places - doing blocking FS work in an async task, limiting the amount of work that happens concurrently. - When setting up node_modules, where we try to set up entries concurrently but were blocking other tasks from actually running. - When loading package info from the npm registry file cache, loading and deserializing is expensive and prevents concurrency. This was especially noticeable when loading an npm resolution snapshot from a lockfile (`snapshot_from_lockfile` in `deno_npm`). Installing deps in `deno-docs`: ``` ❯ hyperfine -i -p 'rm -rf node_modules/' '../d7/deno-main i' '../d7/target/release/deno i' Benchmark 1: ../d7/deno-main i Time (mean ± σ): 2.193 s ± 0.027 s [User: 0.589 s, System: 1.033 s] Range (min … max): 2.151 s … 2.242 s 10 runs Benchmark 2: ../d7/target/release/deno i Time (mean ± σ): 1.597 s ± 0.021 s [User: 0.977 s, System: 1.337 s] Range (min … max): 1.550 s … 1.627 s 10 runs Summary ../d7/target/release/deno i ran 1.37 ± 0.02 times faster than ../d7/deno-main i ``` Caching `npm:@11ty/eleventy`: ``` ❯ hyperfine -i -p 'rm -rf node_modules/' --warmup 5 '../../d7/deno-main cache npm:@11ty/eleventy' '../../d7/target/release/deno cache npm:@11ty/eleventy' Benchmark 1: ../../d7/deno-main cache npm:@11ty/eleventy Time (mean ± σ): 129.9 ms ± 2.2 ms [User: 27.5 ms, System: 101.3 ms] Range (min … max): 127.5 ms … 135.8 ms 10 runs Benchmark 2: ../../d7/target/release/deno cache npm:@11ty/eleventy Time (mean ± σ): 100.6 ms ± 1.3 ms [User: 38.8 ms, System: 233.8 ms] Range (min … max): 99.3 ms … 103.2 ms 10 runs Summary ../../d7/target/release/deno cache npm:@11ty/eleventy ran 1.29 ± 0.03 times faster than ../../d7/deno-main cache npm:@11ty/eleventy ``` --------- Co-authored-by: David Sherret <dsherret@gmail.com> |
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.. | ||
resolvers | ||
cache.rs | ||
installer.rs | ||
mod.rs | ||
registry.rs | ||
resolution.rs | ||
tarball.rs |