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timerix
2023-02-11 12:19:05 +06:00
parent 609dfcf3ed
commit 305854e721
77 changed files with 565 additions and 562 deletions
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12
src/base/optime.h
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@@ -4,7 +4,7 @@
#define __optime_print(opname, t)\
char tnames[3][3]={"s\0","ms","us"};\
int tni=0;\
i32 tni=0;\
if(t>1000000){\
t/=1000000;\
tni=0;\
@@ -17,25 +17,25 @@
#ifdef CLOCK_REALTIME
/// executes codeblock and prints execution time
/// uint64 op_i is counter of the internal loop
/// u64 op_i is counter of the internal loop
/// uses non-standard high-precision clock
#define optime(opname,repeats,codeblock) ({\
struct timespec start, stop;\
clock_gettime(CLOCK_REALTIME, &start);\
for(uint64 op_i=0;op_i<(uint64)repeats;op_i++)\
for(u64 op_i=0;op_i<(u64)repeats;op_i++)\
(codeblock);\
clock_gettime(CLOCK_REALTIME, &stop);\
double t=(double)(stop.tv_sec-start.tv_sec)*1000000+(double)(stop.tv_nsec-start.tv_nsec)/1000;\
f64 t=(f64)(stop.tv_sec-start.tv_sec)*1000000+(f64)(stop.tv_nsec-start.tv_nsec)/1000;\
__optime_print(opname,t)\
})
#else
/// uses standard low precision clock
#define optime(opname,repeats,codeblock) ({\
clock_t start=clock();\
for(uint64 op_i=0;op_i<(uint64)repeats;op_i++)\
for(u64 op_i=0;op_i<(u64)repeats;op_i++)\
(codeblock);\
clock_t stop=clock();\
double t=(double)(stop-start)/CLOCKS_PER_SEC*1000000;\
f64 t=(f64)(stop-start)/CLOCKS_PER_SEC*1000000;\
__optime_print(opname,t)\
})
#endif