Top "Profiling" questions

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

What tools do you recommend to profile Rails apps?

I've been looking for profiling tools for Rails for a while. I'm currently playing and testing ruby-prof and railsbench, but …

ruby-on-rails ruby profiling
What's causing this excessive "Composite Layers", "Recalculate Style" and "Update Layer Tree" cycle?

I am very intrigued by the excessive number of "composite layers", "recalculate style" and then "update layer tree" events in …

performance profiling render google-chrome-devtools timeline
Reducing Django Memory Usage. Low hanging fruit?

My memory usage increases over time and restarting Django is not kind to users. I am unsure how to go …

python django profiling memory-management mod-python
What is the fastest method for selecting descendant elements in jQuery?

As far is I know, there are a number of ways of selecting child elements in jQuery. //Store parent in …

jquery performance jquery-selectors profiling
CPU Cycle count based profiling in C/C++ Linux x86_64

I am using the following code to profile my operations to optimize on cpu cycles taken in my functions. static __…

c profiling x86-64 cpu rdtsc
What is the difference between tottime and cumtime on cProfile output?

I am profiling a python script main.py using cProfile with the following command: python -m cProfile -s tottime main.…

python profiling cprofile
How can you get the call tree with Python profilers?

I used to use a nice Apple profiler that is built into the System Monitor application. As long as your …

python tree profiling
Profiling ASP.NET websites with EQATEC Profiler

I'm searching for a free ASP.NET profiler, and I stumbled upon EQATEC Profiler for .NET, but I can't find …

asp.net profiling eqatec
How to dump Permgen?

I wanted to take the dump of the Permgen of a application server. I do not want to use -XX:+…

jvm profiling permgen
Profiling Ruby Code

Besides ruby-prof and and the core Benchmark class, what do you use to profile your Ruby code? In particular, how …

ruby profiling profiler ruby-prof