Skip re-generating `--timings=json` on every run

finchie

Apr 22, 2024, 8:28 AM

PJPTNU2SXAGBBBVDFZMHHRMC6X5UGOPBJWT7DP5YXOZKQKGLKHWQC

Dependencies

• [2] T34OV3YQ Store timings output in `timings::Output` struct
• [3] 7CVIL7UJ Create simple metadata parser
• [4] ZPFD3275 Switch from `cargo_metadata`+`petgraph` to `guppy`
• [5] UQJO24KB Use `forceatlas2` to construct graph layout
• [6] LOR3KOXG Parse JSON output from `cargo build --timings`

Change contents

• replacement in src/timings.rs at line 82
  [2.227]→[2.227:254](∅→∅)
  − pub fn new() -> Self {
  [2.227]

  [2.254]
  + pub fn generate() -> Vec<u8> {
• replacement in src/timings.rs at line 93
  [2.598]→[2.598:648](∅→∅)
  − let timings_ouput = Command::new("cargo")
  [2.598]

  [2.648]
  + let timings_output = Command::new("cargo")
• edit in src/timings.rs at line 105
  [2.960]

  [3.1565]
  + timings_output.stdout

  + }
• edit in src/timings.rs at line 108
  [3.1566]

  [2.961]
  + pub fn new(source_data: &[u8]) -> Self {
• replacement in src/timings.rs at line 110
  [2.1003]→[2.1003:1085](∅→∅)
  − let mut timings_buffer = BufReader::new(timings_ouput.stdout.as_slice());
  [2.1003]

  [2.1085]
  + let mut timings_buffer = BufReader::new(source_data);
• replacement in src/main.rs at line 8
  [3.718]→[2.2252:2294](∅→∅)
  − let timings = timings::Output::new();
  [3.718]

  [3.2757]
  + // Skip rebuilding every time by caching the output from `--timings=json` as a local file

  + let source_data = include_bytes!("../timings.stdout");

  + let timings = timings::Output::new(source_data);