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43 lines
1.0 KiB
43 lines
1.0 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996.
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//
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// File: B E N C H M R K . H
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//
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// Contents: Benchmark class.
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//
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// Notes:
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//
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// Author: billbe 13 Oct 1997
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//
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//---------------------------------------------------------------------------
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#pragma once
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const CHAR c_sznEmpty[] = {'\0'};
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class CBenchmark
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{
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public:
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CBenchmark();
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~CBenchmark();
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void Start(PCSTR sznDescription);
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void Stop();
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double DblBenchmarkSeconds()
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{
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return m_i64TotalTime / static_cast<double>(m_i64Frequency);
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}
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PCSTR SznDescription(){return m_sznDescription ? m_sznDescription : c_sznEmpty;}
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PCSTR SznBenchmarkSeconds(unsigned short usPrecision);
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private:
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__int64 m_i64Frequency;
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PSTR m_sznDescription;
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__int64 m_i64StartTime;
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__int64 m_i64TotalTime;
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BOOL m_fStarted;
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BOOL m_fSupported;
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CHAR m_sznSeconds[50];
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};
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