Top "Benchmarking" questions

Benchmarking is the process of comparing two or more systems or processes under controlled circumstances in order to have a quantitative measure with which to compare or rank them.

qemu vs qemu-kvm: some performance measurements

I conducted the following benchmark in qemu and qemu-kvm, with the following configuration: CPU: AMD 4400 process dual core with svm …

performance virtual-machine benchmarking qemu kvm
Best way to benchmark iPhone app's battery usage?

What's the best way to benchmark an iPhone app's battery usage? I'm working on an iPhone app that uses location …

ios ios5 benchmarking power-management
Measure (max) memory usage with IPython—like timeit but memit

I have a simple task: in addition to measuring the time it takes to execute a chunk of code in …

python memory benchmarking ipython
Why is C++ initial allocation so much larger than C's?

When using the same code, simply changing the compiler (from a C compiler to a C++ compiler) will change how …

c++ c benchmarking
How to Disable Dynamic Frequency Scaling?

I would like to do some microbenchmarks, and try to do them right. Unfortunately dynamic frequency scaling makes benchmarking highly …

c++ windows benchmarking cpu-speed
Python Numpy Data Types Performance

So I did some testing and got odd results. Code: import numpy as np import timeit setup = """ import numpy as …

python performance types numpy benchmarking
Which JS benchmark site is correct?

I created a benchmark on both jsperf.com and jsben.ch, however, they're giving substantially different results. JSPerf: https://jsperf.…

javascript performance benchmarking jsperf
shade for parameter resource: Cannot find 'resource' in class org.apache.maven.plugins.shade.resource.ManifestResourceTransformer

I'm working on a maven project. I'm trying to integrate jmh benchmarking into my project. The pom.xml of my …

maven benchmarking microbenchmark jmh
How many records can you insert in a redis instance?

I have a list of 100 million strings one on each line. The file size is 1.66 Gb. Each string is about 20 …

optimization amazon-web-services redis benchmarking amazon-elasticache
What does CPU Time for a Hadoop Job signify?

I am afraid I do not understand the timing results of a Map-Reduce job. For example, a job I am …

hadoop timing benchmarking