26 lines
1.0 KiB
C
26 lines
1.0 KiB
C
#pragma once
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#include "std.h"
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// executes codeblock and prints execution time
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#ifdef CLOCK_REALTIME // non-standard high-precision clock
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#define optime(opname,repeats,codeblock) ({\
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struct timespec start, stop;\
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clock_gettime(CLOCK_REALTIME, &start);\
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for(uint64 ___OPREP=0;___OPREP<(uint64)repeats;___OPREP++)\
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(codeblock);\
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clock_gettime(CLOCK_REALTIME, &stop);\
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double t=(double)(stop.tv_sec-start.tv_sec+(double)(stop.tv_nsec-start.tv_nsec)/1000000000)/repeats;\
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printf("\e[93moperation \e[94m%s\e[93m lasted \e[94m%lf \e[93mseconds\n",opname,t);\
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})
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#else // standard low precision clock
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#define optime(opname,repeats,codeblock) ({\
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clock_t start=clock();\
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for(uint64 ___OPREP=0;___OPREP<(uint64)repeats;___OPREP++)\
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(codeblock);\
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clock_t stop=clock();\
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double t=(double)(stop-start)/CLOCKS_PER_SEC/repeats;\
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printf("\e[93moperation \e[94m%s\e[93m lasted \e[94m%lf \e[93mseconds\n",opname,t);\
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})
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#endif
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