Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Join us in building a kind, collaborative learning community via our updated Code of Conduct.

For questions pertaining to benchmarking various capabilities of the Raspberry Pi.

2
votes
2answers
99 views

How fast can GPIO pins toggle?

I'm currently using Python's RPi.GPIO module to toggle some pins, and I want to know how quickly it can do this. I need the pins to be toggled on the schedule of a ~50 mhz FPGA clock, which I'm ...
0
votes
0answers
14 views

How to perform a benchmark to know the maximum latency while a script is executed ?

I would like to know the maximum latency when a script runs on the Rpi. The script get the data from a sensor at the frequency of around 10 Hz. This data is supposed to execute a process.I need to ...
4
votes
2answers
314 views

Benchmark on one machine too extreme

I run a basic benchmark on my machines: time echo "scale=3000;4*a(1)" | bc -l This computes Pi to 3000 decimal places. The general expected time in my experience is 35-60 seconds on a Raspberry Pi B+...
6
votes
1answer
9k views

Raspberry PI2 what is the maximum sdcard speed?

The first Raspberry PI could not utilize more speed than approximately a class 6 card. Can the new Raspberry PI2 utilize faster cards like class 10? Or is the IO speed the same towards the sd cards ...
1
vote
3answers
6k views

Can I use Raspberry pi as NAS with Raid 1 and encrypted file systems?

I am currently using a desktop computer as NAS where I have four hdd's which I have in Raid 1 using mdadm. These Raid 1-drives are encrypted using Ubuntu's default encryption (I think it is cryptsetup)...
8
votes
3answers
8k views

Benchmarking SD cards, read speed is identical

I'm testing a pair of sd cards this way: http://elinux.org/RPi_SD_cards#Performance The first card I did this on (sandisk class 4) gave a write speed of 5.4 MB/s, which is about what I expected ...
0
votes
1answer
4k views

Benchmark USB HDD

I'm using an external USB 2.0 HDD to extend the storage of the Pi which holds my movie-collection. I'm experiencing problems with skips when playing HD movies (720p / 1080p). Also, when transferring ...
9
votes
6answers
31k views

How can I stress test my Raspberry Pi

I recently picked up a battery powered USB cell phone charger and I'm running some tests to see what kind of battery life I will get. Right now I'm just testing at Idle. I want to also run a test ...
35
votes
4answers
27k views

What is the highest performing hardware configuration?

I know that exact benchmark numbers will vary between manufacturers, but in general if you only consider higher end flash drives, SD cards, and USB HDDs and your Raspberry Pi is connected to a network ...
5
votes
1answer
3k views

Are there any benchmarking programs?

Is there a way to benchmark the performance of my Raspberry Pi? I'd be looking at Upload/Download speeds, reads, writes, and general processing stuff.
36
votes
2answers
18k views

What kind of performance can I expect from using a Raspberry Pi as a webserver?

Has anyone done some web server benchmarking on their Raspi? I don't have my Raspi yet but I'm planning on using it as a web server and I'm interested to see stats for: Number of requests per second ...