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Explicitly register rayon threads, rather than assuming that as the default.

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MozReview-Commit-ID: E4kUyy8HjmV
This commit is contained in:
Bobby Holley 2017-09-19 12:13:34 -07:00
parent 531397ff15
commit 90e9bbbadc
3 changed files with 10 additions and 9 deletions
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3
components/layout_thread/lib.rs
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@ -461,7 +461,8 @@ impl LayoutThread {
ScaleFactor::new(opts::get().device_pixels_per_px.unwrap_or(1.0)));
let configuration =
rayon::Configuration::new().num_threads(layout_threads);
rayon::Configuration::new().num_threads(layout_threads)
.start_handler(|_| thread_state::initialize_layout_worker_thread());
let parallel_traversal = if layout_threads > 1 {
Some(rayon::ThreadPool::new(configuration).expect("ThreadPool creation failed"))
} else {