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Diffstat (limited to 'examples/datavis3d/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.hpp')
| -rw-r--r-- | examples/datavis3d/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.hpp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/examples/datavis3d/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.hpp b/examples/datavis3d/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.hpp deleted file mode 100644 index fbd511e2..00000000 --- a/examples/datavis3d/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.hpp +++ /dev/null @@ -1,150 +0,0 @@ -/***************************************************************************** - - ClockCycleCounter.hpp - Copyright (c) 2003 Laurent de Soras - -Please complete the definitions according to your compiler/architecture. -It's not a big deal if it's not possible to get the clock count... - ---- Legal stuff --- - -This library is free software; you can redistribute it and/or -modify it under the terms of the GNU Lesser General Public -License as published by the Free Software Foundation; either -version 2.1 of the License, or (at your option) any later version. - -This library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public -License along with this library; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -*Tab=3***********************************************************************/ - - - -#if defined (stopwatch_ClockCycleCounter_CURRENT_CODEHEADER) - #error Recursive inclusion of ClockCycleCounter code header. -#endif -#define stopwatch_ClockCycleCounter_CURRENT_CODEHEADER - -#if ! defined (stopwatch_ClockCycleCounter_CODEHEADER_INCLUDED) -#define stopwatch_ClockCycleCounter_CODEHEADER_INCLUDED - - - -/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ - -#include "fnc.h" - -#include <climits> - - - -namespace stopwatch -{ - - - -/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ - - - -/* -============================================================================== -Name: start -Description: - Starts the counter. -Throws: Nothing -============================================================================== -*/ - -void ClockCycleCounter::start () -{ - _best_score = (static_cast <Int64> (1) << (sizeof (Int64) * CHAR_BIT - 2)); - const Int64 start_clock = read_clock_counter (); - _start_time = start_clock; - _state = start_clock - _best_score; -} - - - -/* -============================================================================== -Name: stop_lap -Description: - Captures the current time and updates the smallest duration between two - consecutive calls to stop_lap() or the latest start(). - start() must have been called at least once before calling this function. -Throws: Nothing -============================================================================== -*/ - -void ClockCycleCounter::stop_lap () -{ - const Int64 end_clock = read_clock_counter (); - _best_score = min (end_clock - _state, _best_score); - _state = end_clock; -} - - - -/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ - - - -/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ - - - -Int64 ClockCycleCounter::read_clock_counter () -{ - register Int64 clock_cnt; - -#if defined (_MSC_VER) - - __asm - { - lea edi, clock_cnt - rdtsc - mov [edi ], eax - mov [edi + 4], edx - } - -#elif defined (__GNUC__) && defined (__i386__) - - __asm__ __volatile__ ("rdtsc" : "=A" (clock_cnt)); - -#elif (__MWERKS__) && defined (__POWERPC__) - - asm - { - loop: - mftbu clock_cnt@hiword - mftb clock_cnt@loword - mftbu r5 - cmpw clock_cnt@hiword,r5 - bne loop - } - -#endif - - return (clock_cnt); -} - - - -} // namespace stopwatch - - - -#endif // stopwatch_ClockCycleCounter_CODEHEADER_INCLUDED - -#undef stopwatch_ClockCycleCounter_CURRENT_CODEHEADER - - - -/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |