Top "Profiling" questions

Profiling is the process of measuring an application or system by running an analysis tool called a profiler.

Is MATLAB OOP slow or am I doing something wrong?

I'm experimenting with MATLAB OOP, as a start I mimicked my C++'s Logger classes and I'm putting all my …

matlab oop profiling benchmarking matlab-class
Using cProfile results with KCacheGrind

I'm using cProfile to profile my Python program. Based upon this talk I was under the impression that KCacheGrind could …

python profiling kcachegrind cprofile
Interactive Python: cannot get `%lprun` to work, although line_profiler is imported properly

Problem Most iPython "magic functions" work fine for me right off the bat: %hist, %time, %prun, etc. However, I noticed …

python profiling ipython spyder magic-function
session_start() takes VERY LONG TIME

Mys site works very slowly (and I didn't have any idea about why). It is based on Zend Application, I …

php performance zend-framework session profiling
Difference between 'self' and 'total' in Chrome CPU Profile of JS

What is the difference between the 'self' and 'total' columns in the Chrome CPU profiling of JS code?

javascript google-chrome profiling
Chrome timeline - how can I determine the cause of a "Recalculate Style" log entry?

Profiling a page with the built-in timeline recorder in Chrome, I see repeated "Recalculate Style" entries. They have no obvious …

google-chrome profiling timeline
VisualVM and Self Time

I've been searching all over for a consistent and clear explanation of what 'self time' actually refers to in the …

java performance profiling cpu visualvm
How to efficiently use Rprof in R?

I would like to know if it is possible to get a profile from R-Code in a way that is …

r profiling profiler
Best and safest Java Profiler for production use?

I'm looking for a Java Profiler for use in a very high demand production environment, either commercial or free, that …

java profiling profiler production-environment
Diagnosing high CPU usage on Docker for Mac

How do I diagnose the cause of Docker on MacOS, specifically com.docker.hyperkit using 100% of CPU? Docker stats Docker …

macos docker profiling dtrace