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Diffstat (limited to 'external/clBLAS/src/client/statisticalTimer.h')
| -rw-r--r-- | external/clBLAS/src/client/statisticalTimer.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/external/clBLAS/src/client/statisticalTimer.h b/external/clBLAS/src/client/statisticalTimer.h deleted file mode 100644 index bba8f8e9..00000000 --- a/external/clBLAS/src/client/statisticalTimer.h +++ /dev/null @@ -1,170 +0,0 @@ -/* ************************************************************************ - * Copyright 2013 Advanced Micro Devices, Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ************************************************************************/ - - -#pragma once -#ifndef _STATISTICALTIMER_H_ -#define _STATISTICALTIMER_H_ -#include <iosfwd> -#include <vector> -#include <algorithm> - -/** - * \file clAmdFft.StatisticalTimer.h - * \brief A timer class that provides a cross platform timer for use - * in timing code progress with a high degree of accuracy. - * This class is implemented entirely in the header, to facilitate inclusion into multiple - * projects without needing to compile an object file for each project. - */ - -/** - * \class StatisticalTimer - * \brief Counter that provides a fairly accurate timing mechanism for both - * windows and linux. This timer is used extensively in all the samples. - */ - -class StatisticalTimer -{ - // Private typedefs - typedef std::vector< unsigned long long > clkVector; - typedef std::pair< std::string, unsigned int > labelPair; - typedef std::vector< labelPair > stringVector; - - // In order to calculate statistics <std. dev.>, we need to keep a history of our timings - stringVector labelID; - clkVector clkStart; - std::vector< clkVector > clkTicks; - - // How many clockticks in a second - unsigned long long clkFrequency; - - // Saved sizes for our vectors, used in Reset() to reallocate vectors - clkVector::size_type nEvents, nSamples; - - // This setting controls whether the Timer should convert samples into time by dividing by the - // clock frequency - bool normalize; - - /** - * \fn StatisticalTimer() - * \brief Constructor for StatisticalTimer that initializes the class - * This is private so that user code cannot create their own instantiation. Instead, you - * must go through getInstance( ) to get a reference to the class. - */ - StatisticalTimer( ); - - /** - * \fn ~StatisticalTimer() - * \brief Destructor for StatisticalTimer that cleans up the class - */ - ~StatisticalTimer( ); - - /** - * \fn StatisticalTimer(const StatisticalTimer& ) - * \brief Copy constructors do not make sense for a singleton, disallow copies - */ - StatisticalTimer( const StatisticalTimer& ); - - /** - * \fn operator=( const StatisticalTimer& ) - * \brief Assignment operator does not make sense for a singleton, disallow assignments - */ - StatisticalTimer& operator=( const StatisticalTimer& ); - - friend std::ostream& operator<<( std::ostream& os, const StatisticalTimer& s ); - -public: - // Public typedefs - typedef stringVector::difference_type sTimerID; - - /** - * \fn getInstance() - * \brief This returns a reference to the singleton timer. Guarantees only 1 timer class is ever - * instantiated within a compilable executable. - */ - static StatisticalTimer& getInstance( ); - - /** - * \fn void Start( sTimerID id ) - * \brief Start the timer - * \sa Stop(), Reset() - */ - void Start( sTimerID id ); - - /** - * \fn void Stop( sTimerID id ) - * \brief Stop the timer - * \sa Start(), Reset() - */ - void Stop( sTimerID id ); - - /** - * \fn void AddSample( const sTimerID id, const unsigned long long n ) - * \brief Explicitely add a timing sample into the class - */ - void AddSample( const sTimerID id, const unsigned long long n ); - - /** - * \fn void Reset(void) - * \brief Reset the timer to 0 - * \sa Start(), Stop() - */ - void Clear( ); - - /** - * \fn void Reset(void) - * \brief Reset the timer to 0 - * \sa Start(), Stop() - */ - void Reset( ); - - void Reserve( unsigned int nEvents, unsigned int nSamples ); - - sTimerID getUniqueID( const std::string& label, unsigned int groupID ); - - // Calculate the average/mean of data for a given event - void setNormalize( bool norm ); - - // Calculate the average/mean of data for a given event - double getMean( sTimerID id ) const; - - // Calculate the variance of data for a given event - // Variance - average of the squared differences between data points and the mean - double getVariance( sTimerID id ) const; - - // Sqrt of variance, also in units of the original data - double getStdDev( sTimerID id ) const; - - /** - * \fn double getAverageTime(sTimerID id) const - * \return Return the arithmetic mean of all the samples that have been saved - */ - double getAverageTime( sTimerID id ) const; - - /** - * \fn double getMinimumTime(sTimerID id) const - * \return Return the arithmetic min of all the samples that have been saved - */ - double getMinimumTime( sTimerID id ) const; - - // Using the stdDev of the entire population (of an id), eliminate those samples that fall - // outside some specified multiple of the stdDev. This assumes that the population - // form a gaussian curve. - unsigned int pruneOutliers( double multiple ); - unsigned int pruneOutliers( sTimerID id , double multiple ); -}; - -#endif // _STATISTICALTIMER_H_ |