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https://github.com/denoland/deno
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161cf7cdfd
This change simplifies how we execute V8. Previously V8 Isolates jumped around threads every time they were woken up. This was overly complex and potentially hurting performance in a myriad ways. Now isolates run on their own dedicated thread and never move. - blocking_json spawns a thread and does not use a thread pool - op_host_poll_worker and op_host_resume_worker are non-operational - removes Worker::get_message and Worker::post_message - ThreadSafeState::workers table contains WorkerChannel entries instead of actual Worker instances. - MainWorker and CompilerWorker are no longer Futures. - The multi-threaded version of deno_core_http_bench was removed. - AyncOps no longer need to be Send + Sync This PR is very large and several tests were disabled to speed integration: - installer_test_local_module_run - installer_test_remote_module_run - _015_duplicate_parallel_import - _026_workers
30 lines
695 B
Rust
30 lines
695 B
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use futures::Future;
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// TODO(ry) rename to run_local ?
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pub fn run_basic<F, R>(future: F) -> R
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where
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F: std::future::Future<Output = R> + 'static,
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{
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let mut rt = tokio::runtime::Builder::new()
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.basic_scheduler()
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.enable_io()
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.enable_time()
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.build()
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.unwrap();
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rt.block_on(future)
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}
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pub fn spawn_thread<F, R>(f: F) -> impl Future<Output = R>
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where
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F: 'static + Send + FnOnce() -> R,
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R: 'static + Send,
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{
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let (sender, receiver) = tokio::sync::oneshot::channel::<R>();
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std::thread::spawn(move || {
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let result = f();
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sender.send(result)
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});
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async { receiver.await.unwrap() }
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}
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