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Enable breadth-first traversal.

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MozReview-Commit-ID: KJA2drcLTb5
This commit is contained in:
Bobby Holley 2017-06-08 16:16:13 -07:00
parent 09b8f124f5
commit ce19c949db
1 changed files with 6 additions and 0 deletions
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6
components/style/gecko/global_style_data.rs
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@ -80,6 +80,12 @@ lazy_static! {
} else { } else {
let configuration = rayon::Configuration::new() let configuration = rayon::Configuration::new()
.num_threads(num_threads) .num_threads(num_threads)
// Enable a breadth-first rayon traversal. This causes the work
// queue to be always FIFO, rather than FIFO for stealers and
// FILO for the owner (which is what rayon does by default). This
// ensures that we process all the elements at a given depth before
// proceeding to the next depth, which is important for style sharing.
.breadth_first()
.thread_name(thread_name) .thread_name(thread_name)
.start_handler(thread_startup) .start_handler(thread_startup)
.exit_handler(thread_shutdown); .exit_handler(thread_shutdown);