Merge pull request #315 from pcwalton/metal-timing
Reduce timing jitter in the Metal backend
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commit
a373a1fbc3
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@ -728,13 +728,15 @@ impl Device for MetalDevice {
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let captured_query = query.clone();
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let start_block = ConcreteBlock::new(move |_: *mut Object, _: u64| {
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let start_time = Instant::now();
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let mut guard = captured_query.0.mutex.lock().unwrap();
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guard.start_time = Some(Instant::now());
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guard.start_time = Some(start_time);
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});
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let captured_query = query.clone();
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let end_block = ConcreteBlock::new(move |_: *mut Object, _: u64| {
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let end_time = Instant::now();
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let mut guard = captured_query.0.mutex.lock().unwrap();
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guard.end_time = Some(Instant::now());
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guard.end_time = Some(end_time);
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captured_query.0.cond.notify_all();
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});
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self.shared_event.notify_listener_at_value(&self.shared_event_listener,
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