Profiling is the process of measuring an application or system by running an analysis tool called a profiler. Profiling tools can focus on many aspects: functions call times and count, memory usage, cpu load, and resource usage.

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Filtering perf.data (linux perf profiler) files for time intervals

I have output of perf linux profiler (perf_events) in file perf.data. This file is result of perf record http://stackoverflow.com/some_multithreaded_app or perf record -a sleep 600. My application have several kinds of ...
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Profiling Cuda code that is called from Python [duplicate]

I wrote a shared library in Cuda c that I wrapped with Cython and that is called from within a larger Python project. I would like to have some information on what is going on in the GPU while running ...
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How to open .hprof with Android Studio 3.1.2

I can save the memory profiling as a hprof by pressing this little green button. But I don't know how to open the file I created. This instruction from the website is not clear for me:"You can then ...
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Is there way to connect profiler OSE JAVA app pods?

There is memory leak in my spring boot applicationIt was able to take 70 concurrent request at ramup of 5seconds and it works smooth on my local machineWhen I did deploy the same application on OSE ...
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Obtain a list of most “heavy” images from a site

In the Chrome DevTools, is there a way to obtain a list of most heavy loaded pictures from a site? we are working of the site optimisation, so try to figure out the "bag" pictures.Like the bellow ...
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Naive Functional Implementation of Union Find Disjoint Set has Poor Performance

The following implemention of UFDS has poor performance. Can someone enlighten me as to why this might be? Here is the profiling report: total time=0.10 secs (98 ticks @ 1000 us, 1 ...
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“Perf top” sorting doesn't appear to sort at all

I wanted to inspect some metrics of a buffering queue and sort entries shown by perf top according to the number of items queued in the buffer at any given trace point. However, when I specified the ...
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How to profile racket gui code with canvas

I'm currently writing a game in Racket, using canvas. I'd really like to profile my code to help optimise it, but I'm struggling to figure out how to do it. I have a game loop controlled by a timer, ...
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Memory Reads even in pure math kernel

I wrote a very simple CUDA code (math only, only a single write instruction)__global__void read(volatile uint64_t *psum){int sum=0;for (int i=0; i < MAX_COUNT; i++)sum +=...
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Node js profiling for more duration

I tried "node --prof fileName.ext" command but it ended in just a second. Is there a way to increase the time or a way to capture more ticks ?
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What is the structure of each line in a v8 profiler log file?

I would like to write my own tools for processing the v8 log files produced by node --prof. I have looked at some existing tools on GitHub, and been able to deduce some of the semantics of various ...
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strace'ing/profiling a bash script

I'm currently trying to benchmark a bash script in 4 different versions. Each one does a giant rsync job and it usually takes a very long time to finish. There are many steps in the bash script which ...
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How to get more granular results with cProfile

I have a little snippet which I'm profiling, however the list comprehension is listed as one item in the callsimport fileinputimport cProfilepr=cProfile.Profile()pr.enable()x=[float(i) for ...
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Explanation of the two percentage numbers in tensorflow's profiler?

I am using the profiler tool provided by tensorflow. Here is one snapshot of the profiling results:My question: what's the meaning of the two percentage numbers after the data?
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jVisualVM profiling - tracing of each logged in user's user journey in a multi-user, multi-session Java web-based application environment

As I understand that VisualVM provides detailed information about Java applications while they are running on the Java Virutal Machine (JVM).I have a question regarding the tracing of each logged in ...

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