timer.split();uint64_tt = timer.elapsed();uint64_tTotalQty =uint64_t(rep) * N *4LL;cout<<"Ignore: "<< sum <<endl;cout<<"max root val.: "<< MaxRoot <<" Roots computed: "<< TotalQty <<", time "<< t /1e3<<" ms, type: "<<typeid(T).name() <<endl;cout<<"Milll...
vdsoGettimeofdaySym uintptr vdsoClockgettimeSym uintptr ) 先通过runtime·vdsoClockgettimeSym拿物理时间,如果拿不到再通过runtime·vdsoGettimeofdaySym拿 而runtime·vdsoClockgettimeSym对应的系统调用是gettimeofday runtime·vdsoGettimeofdaySym对应的系统调用是clock_gettime 关于二者区别,可参考❲深入理解❳如何...
WallClockTimer timer;intrepeat =100;intN =10000;cout<<"# We report bits-per-integer speed-of-naive speed-of-popcnt1 speed-of-popcnt2 speed-of-table speed-of-tzcnt1 speed-of-tzcnt2 where speeds are in millions of integers per second "<<endl;for(intsb =1; sb<=64; sb*=2) {intset...
Fitness cross timer countdown LED digital wall clock timer 杭州鸿浩电子有限公司 18年 回头率: 25% 浙江 杭州市 ¥4.00 4-inch 6bit red indoor remote control LED display wall clock 杭州鸿浩电子有限公司 18年 回头率: 25% 浙江 杭州市 ¥4.00 2.3-inch 6-digit digital display count...
在一些系统调用中需要指定时间是用CLOCK_MONOTONIC还是CLOCK_REALTIME,其中CLOCK_MONOTONIC是monotonic time,而CLOCK_REALTIME是wall-time。 monotonic time字面意思是单调时间,实际上它指的是系统启动以后流逝的时间,这是由变量jiffies来记录的。系统每次启动时jiffies初始化为0,每来一个timer interrupt,jiffies加1,也就是...
and (b) actually elapses from the beginning to the end of execution.Note:The elapsed time can be determined by using a wall clock, a stopwatch, or a built-in timer to determine the instants of beginning and ending.See alsoclock,computer program,execution,instant,second,time,timer,timing....
Product name:3D Wall Clock;Usage:Home Decoration;Function:Table Wall Decoration digital clock;Power:USB Cable(incl);Description:Home Decorative Clock.gift Clock;Packing:Bubble Bag + Paper Box;Size:250*48*98mm;Material:Other;Shape:Geometric;Pattern:Still
theIndoor Wall LED TimerClock by Rousis Systems LTD is able to display time, temperature, and date on its four 10 cm (or ~4 inch) 7-segment digits. Additionally, the device can be used in a countdown mode, or with buttons that start and stop the clock to determine how long you’ve...
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Product name:LED Digital Timer Wall Clock;Overall Size:155mm x 55mm x 20mm(6.11'' x 2.17'' x 0.79'');Material:Aluminum Alloy;Control Mode:Remote Control;Power Supply:DC 5V;Certificate:CE, RoHS;Material:Other;Pattern:Still Life;Motivity Type:Electric;Appl