mirror of
https://github.com/amd/blis.git
synced 2026-05-11 09:39:59 +00:00
b65cdc57d9
Details: - Changed all filename and function prefixes from 'bl2' to 'bli'. - Changed the "blis2.h" header filename to "blis.h" and changed all corresponding #include statements accordingly. - Fixed incorrect association for Fran in CREDITS file.
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2013, The University of Texas
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of The University of Texas nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "blis.h"
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static double gtod_ref_time_sec = 0.0;
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double bli_clock()
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{
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double the_time, norm_sec;
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struct timeval tv;
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gettimeofday( &tv, NULL );
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if ( gtod_ref_time_sec == 0.0 )
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gtod_ref_time_sec = ( double ) tv.tv_sec;
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norm_sec = ( double ) tv.tv_sec - gtod_ref_time_sec;
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the_time = norm_sec + tv.tv_usec * 1.0e-6;
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return the_time;
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}
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double bli_clock_min_diff( double time_min, double time_start )
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{
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double time_min_prev;
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double time_diff;
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// Save the old value.
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time_min_prev = time_min;
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time_diff = bli_clock() - time_start;
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time_min = bli_fmin( time_min, time_diff );
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// Assume that anything:
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// - under or equal to zero,
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// - over an hour, or
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// - under a nanosecond
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// is actually garbled due to the clocks being taken too closely together.
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if ( time_min <= 0.0 ) time_min = time_min_prev;
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else if ( time_min > 3600.0 ) time_min = time_min_prev;
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else if ( time_min < 1.0e-9 ) time_min = time_min_prev;
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return time_min;
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}
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