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59fbfb682d
* Measure performance for ASCellNode layout * Address Adlai and Levi's feedback: * Move to ASDisplayNode level * Lock around setting/getting measurement options and results * Record all measurement passes and report times as an array * Only add relevant entries to the performanceMetrics dictionary * Rebase * Store sum and count instead of array * Rename ScopeTimerDataPoint to ScopeTimerSum * Address Levi's feedback * Address Adlai's feedback
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
//
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// _ASScopeTimer.h
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#pragma once
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/**
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Must compile as c++ for this to work.
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Usage:
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// Can be an ivar or local variable
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NSTimeInterval placeToStoreTiming;
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{
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// some scope
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ASDisplayNode::ScopeTimer t(placeToStoreTiming);
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DoPotentiallySlowWork();
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MorePotentiallySlowWork();
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}
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*/
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namespace ASDN {
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struct ScopeTimer {
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NSTimeInterval begin;
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NSTimeInterval &outT;
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ScopeTimer(NSTimeInterval &outRef) : outT(outRef) {
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begin = CACurrentMediaTime();
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}
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~ScopeTimer() {
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outT = CACurrentMediaTime() - begin;
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}
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};
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// variant where repeated calls are summed
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struct SumScopeTimer {
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NSTimeInterval begin;
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NSTimeInterval &outT;
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SumScopeTimer(NSTimeInterval &outRef) : outT(outRef) {
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begin = CACurrentMediaTime();
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}
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~SumScopeTimer() {
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outT += CACurrentMediaTime() - begin;
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}
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};
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}
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