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This PR optimizes `DOMException` constructor increasing performance of all Web APIs that throw a `DOMException` (ie: `AbortSignal`) **main** ``` cpu: 13th Gen Intel(R) Core(TM) i9-13900H runtime: deno 1.37.1 (x86_64-unknown-linux-gnu) new DOMException() 9.66 µs/iter 103,476.8 (8.47 µs … 942.71 µs) 9.62 µs 11.29 µs 14.04 µs abort writeTextFileSync 16.45 µs/iter 60,775.5 (13.65 µs … 1.33 ms) 16.39 µs 20.59 µs 24.12 µs abort readFile 16.25 µs/iter 61,542.2 (15.12 µs … 621.14 µs) 16.18 µs 19.59 µs 22.33 µs ``` **this PR** ``` cpu: 13th Gen Intel(R) Core(TM) i9-13900H runtime: deno 1.37.1 (x86_64-unknown-linux-gnu) benchmark time (avg) iter/s (min … max) p75 p99 p995 ----------------------------------------------------------------------------- ----------------------------- new DOMException() 2.37 µs/iter 421,657.0 (2.33 µs … 2.58 µs) 2.37 µs 2.58 µs 2.58 µs abort writeTextFileSync 7.1 µs/iter 140,760.1 (6.94 µs … 7.68 µs) 7.13 µs 7.68 µs 7.68 µs abort readFile 5.48 µs/iter 182,648.2 (5.3 µs … 5.69 µs) 5.56 µs 5.69 µs 5.69 µ ``` ```js Deno.bench("new DOMException()", () => { new DOMException(); }); Deno.bench("abort writeTextFileSync", () => { const ac = new AbortController(); ac.abort(); try { Deno.writeTextFileSync("/tmp/out", "x", { signal: ac.signal }); } catch {} }); Deno.bench("abort readFile", async () => { const ac = new AbortController(); ac.abort(); try { await Deno.readFile("/tmp/out", { signal: ac.signal }); } catch {} }); ``` |
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.. | ||
benches | ||
00_infra.js | ||
01_dom_exception.js | ||
01_mimesniff.js | ||
02_event.js | ||
02_structured_clone.js | ||
02_timers.js | ||
03_abort_signal.js | ||
04_global_interfaces.js | ||
05_base64.js | ||
06_streams.js | ||
06_streams_types.d.ts | ||
08_text_encoding.js | ||
09_file.js | ||
10_filereader.js | ||
12_location.js | ||
13_message_port.js | ||
14_compression.js | ||
15_performance.js | ||
blob.rs | ||
Cargo.toml | ||
compression.rs | ||
hr_timer_lock.rs | ||
internal.d.ts | ||
lib.deno_web.d.ts | ||
lib.rs | ||
message_port.rs | ||
README.md | ||
stream_resource.rs | ||
timers.rs |
deno web
Op crate that implements Event, TextEncoder, TextDecoder and File API (https://w3c.github.io/FileAPI).
Testing for text encoding is done via WPT in cli/.