The execution time can often be measured quite easily by reading the system clock. The disadvantage of measuring the system clock is that other processes can delay the execution of the program to be profiled, therefore influencing the execution time measurements. CPU time measurements do not have this disadvantage, but for practical reasons CPU time measurements have limited accuracy (in the order of magnitude of ms, which represents an eternity for processor time). See similar questions...

The Performance API (PAPI) project specifies a standard application programming interface (API) for accessing hardware performance counters available on most modern microprocessors. These counters exist as a small set of registers that count Events, occurrences of specific signals related to the processor's function. Monitoring these events facilitates correlation between the structure of source/object code and the efficiency of the mapping of that code to the underlying architecture. See similar questions...

First of all: RCF is not a program, in the sense that it's running. RCF is merely a script to feed ipchains commands to the kernel. As soon as it exits, it's no longer running/sleeping whatsoever. It exited. The only thing running then (regarding firewalling) is the kernel. The kernel reads the headers from incoming and outgoing packets, and verifies them with the table of rules we (RCF) have setup. This is a process which costs relatively little CPU time and memory. See similar questions...

In a very approximate and unreliable way. We sampled the child-process resident memory size (VmRSS) multiple times a second. We identified the main thread by checking for SIGCHLD being registered as the exit_signal in the second to last field of /proc/{pid}/stat. We use Debian Linux™ 'unstable', Kernel 2.6.18-3-k7 and Gentoo Linux™ gentoo-sources-2.6. See similar questions...

World Wind was not coded for performance, sadly. At least, you can rest assured that this problem is very common and most users experience it - there is nothing wrong with your computers. This will get optimized in future releases, but we're still heavily in the Research & Development stage. If you encounter problems with World Wind taking several minutes to load and just as long to finish closing, and your World. See similar questions...

No operation should take more than several seconds. If you're afraid that your architecture will run too slow, email us a brief summary of what you want to do and we'll let you know if it's acceptable. I have a question about an idea I have. I know you said to post it in the forum, but this is a really unique idea that I don't want the thieving WTF community to steal. Oh, crap, we should've thought of that. Email Alex or Jake using the contact form and we'll get back to you. See similar questions...

For performance purposes, we have limited the amount of CPU time per session to 10 minutes. This will prevent any runaway calls that can occupy the CPU and reduce performance. See similar questions...

Check your response time settings. On the other hand, the KDE2.0 version is not yet really optimized. This will improve, and until then no real prediction can be made how fast artsd can or can't be. See similar questions...

MadTracker has a high-quality playback engine (check the About page), and because of that needs quite a lot of power. The minimum recommended configuration is a Pentium 166 MHz with 32 MB RAM. The optimal configuration would be a Pentium 233 MHz with 64 MB RAM under a NT-based (real 32-bit) version of Windows (NT 4, 2000 or XP). You must have a motherboard with the bugged 686b southbridge. Check The 686b bugfix for more information about this bug and the solutions to solve the problem. See similar questions...

Yes. If potential participants are concerned about time versus accuracy trade-off, multiple executables with varying execution times maybe submitted. See similar questions...

def timer(fn, *args): "Time the application of fn to args. Return (result, seconds)." import time start = time.clock() return fn(*args), time.clock() - start >>>timer(max, range(1e6)) (999999, 0.4921875) See similar questions...

The flights shall be performed in accordance with AUP/UUP. The users of the airspace elements, which are not in collision with controlled airspace only confirm their usage 30 minutes before its real time activation. TSAs, TFRs and MRTs colliding with controlled airspace (look column remarks: "KLZ") must be coordinated with AMC (ASM3) on the day of operation 1 hour before planned activation of an element and receive clearance. See similar questions...

On Windows, individual GPU program launches have a maximum run time of around 5 seconds. Exceeding this time limit usually will cause a launch failure reported through the CUDA driver or the CUDA runtime, but in some cases can hang the entire machine, requiring a hard reset. This is caused by the Windows "watchdog" timer that causes programs using the primary graphics adapter to time out if they run longer than the maximum allowed time. See similar questions...

The best time to measure for support hose is early in the morning when you first get up. At this time your legs are generally at their smallest size. All order pages on our web site have size charts for the hose you are looking at. If you are not certain, just pick up the phone and one of our Certified Fitters would be glad to assist you at 1-800-515-4271 See similar questions...

Under Windows 9x, eConsole registers as using 100% of the available CPU time while idle. This does not, however, reflect the actual machine load, since the computer remains accessible and responsive as usual under Windows 9x. The cause for this phenomenon seems to be within the metering API of Windows 9x - under NT, eConsole registers with between 0% and 3% CPU load while idle, which is what one should expect. See similar questions...

The queue_job_id is the numeric job number. This is seen in the left column when you type "qstat -a" while the job is running. After the job completes, there will be an additional file in your directory with the job id number as part of the file name. In the output from tracejob, resources_used.cput is the amount of CPU time used, and resources_used.mem is the maximum amount of memory used. See similar questions...

It is best to measure earlier in the day before swelling builds in the legs. Measurements taken later in the day after swelling is present may result in choosing a stocking size that is too large. Many clinics that are unable to see patients earlier in the day will elevate, bandage, or pump the legs for a period of time before measuring in order to reduce any swelling that is present. See similar questions...

Several ideas have been put forth regarding Martian clocks. Since a Martian sol is only three percent longer than an Earth day, the most straightforward approach is to simply stretch Earth's units of time into slightly longer hours, minutes, and seconds (this system is used by NASA and JPL). Another approach is to add 39 minutes, 35.2 seconds at the end of 24 hours. Still another idea is to have a "metric" clock based on powers of ten. See similar questions...

Cooking time is measured from the moment the pressure regulator starts hissing and not from the time you place it on the Regulator Support. See similar questions...