9845361153
Partially supersedes #19016. This migrates `spawn` and `spawn_blocking` to `deno_core`, and removes the requirement for `spawn` tasks to be `Send` given our single-threaded executor. While we don't need to technically do anything w/`spawn_blocking`, this allows us to have a single `JoinHandle` type that works for both cases, and allows us to more easily experiment with alternative `spawn_blocking` implementations that do not require tokio (ie: rayon). Async ops (+~35%): Before: ``` time 1310 ms rate 763358 time 1267 ms rate 789265 time 1259 ms rate 794281 time 1266 ms rate 789889 ``` After: ``` time 956 ms rate 1046025 time 954 ms rate 1048218 time 924 ms rate 1082251 time 920 ms rate 1086956 ``` HTTP serve (+~4.4%): Before: ``` Running 10s test @ http://localhost:4500 2 threads and 10 connections Thread Stats Avg Stdev Max +/- Stdev Latency 68.78us 19.77us 1.43ms 86.84% Req/Sec 68.78k 5.00k 73.84k 91.58% 1381833 requests in 10.10s, 167.36MB read Requests/sec: 136823.29 Transfer/sec: 16.57MB ``` After: ``` Running 10s test @ http://localhost:4500 2 threads and 10 connections Thread Stats Avg Stdev Max +/- Stdev Latency 63.12us 17.43us 1.11ms 85.13% Req/Sec 71.82k 3.71k 77.02k 79.21% 1443195 requests in 10.10s, 174.79MB read Requests/sec: 142921.99 Transfer/sec: 17.31MB ``` Suggested-By: alice@ryhl.io Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com> |
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|---|---|---|
| .. | ||
| napi | ||
| node_compat | ||
| release | ||
| wpt | ||
| build_benchmark_jsons.js | ||
| copyright_checker.js | ||
| cut_a_release.md | ||
| deno.lock.json | ||
| flamebench.js | ||
| format.js | ||
| lint.js | ||
| README.md | ||
| update_typescript.md | ||
| upload_wptfyi.js | ||
| util.js | ||
| verify_pr_title.js | ||
| wpt.ts | ||
Tools
Documentation for various tooling in support of Deno development.
format.js
This script will format the code (currently using dprint, rustfmt). It is a prerequisite to run this before code check in.
To run formatting:
deno run --allow-read --allow-write --allow-run --unstable ./tools/format.js
lint.js
This script will lint the code base (currently using dlint, clippy). It is a prerequisite to run this before code check in.
To run linting:
deno run --allow-read --allow-write --allow-run --unstable ./tools/lint.js
Tip: You can also use cargo to run the current or pending build of the deno executable
cargo run -- run --allow-read --allow-write --allow-run --unstable ./tools/<script>
flamebench.js
flamebench.js facilitates profiling and generating flamegraphs from
benchmarks.
General usage:
❯ ./tools/flamebench.js
flamebench <bench_name> [bench_filter]
Available benches:
op_baseline
ser
de
To profile the op_baseline bench, run ./tools/flamebench.js op_baseline,
this will run all 3 benches in `op_baseline.
Often when profiling/optimizing, you'll want to focus on a specific sub-bench,
flamebench supports a bench/test filter arg like the regular cargo commands.
So you can simply run ./tools/flamebench.js op_baseline bench_op_async or
./tools/flamebench.js op_baseline bench_op_nop to profile specific benches.
Tip: the [bench_filter] argument doesn't have to be an exact bench name, you
can use a shorthand or a partial match to profile a group of benches, e.g:
./tools/flamebench.js de v8
copyright_checker.js
copyright_checker.js is used to check copyright headers in the codebase.
To run the copyright checker:
deno run --allow-read --allow-run --unstable ./tools/copyright_checker.js
Then it will check all code files in the repository and report any files that are not properly licensed.