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82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/**********************************************************************
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Copyright(c) 2011-2015 Intel Corporation All rights reserved.
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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
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are 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
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation 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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OWNER 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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#ifndef _TEST_H
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#define _TEST_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Use sys/time.h functions for time
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#include <sys/time.h>
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struct perf{
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struct timeval tv;
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};
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inline int perf_start(struct perf *p)
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{
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return gettimeofday(&(p->tv), 0);
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}
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inline int perf_stop(struct perf *p)
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{
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return gettimeofday(&(p->tv), 0);
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}
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inline void perf_print(struct perf stop, struct perf start, long long dsize)
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{
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long long secs = stop.tv.tv_sec - start.tv.tv_sec;
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long long usecs = secs * 1000000 + stop.tv.tv_usec - start.tv.tv_usec;
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printf("runtime = %10lld usecs", usecs);
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if (dsize != 0) {
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#if 1 // not bug in printf for 32-bit
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printf(", bandwidth %lld MB in %.4f sec = %.2f MB/s\n", dsize/(1024*1024),
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((double) usecs)/1000000, ((double) dsize) / (double)usecs);
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#else
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printf(", bandwidth %lld MB ", dsize/(1024*1024));
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printf("in %.4f sec ",(double)usecs/1000000);
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printf("= %.2f MB/s\n", (double)dsize/usecs);
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#endif
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}
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else
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printf("\n");
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // _TEST_H
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