16
votes
How can I stress test my Raspberry Pi
I wrote the little command-line tool stressberry the other day which stresses your Raspberry, measures the core temperature, and produces nice plots. Install with
pip install stressberry --user
and ...
11
votes
Accepted
How fast can GPIO pins toggle?
There are some benchmarks from Henner Zeller's repository on GitHub which claimed that directly outputting data to the GPIO could achieve up to 65.8 MHz on a Raspberry Pi 3 (not B+, mind, but I ...
10
votes
How can I stress test my Raspberry Pi
For the CPU and most other things you can use
nice -19 stress-ng -c 4 --metrics --timeout 60s
For the GPU they suggest GeeXLab at geeks3d.com.
4
votes
Pi 4 performance against x86 - CI/CD server with Java/Maven
After a few weeks I was finally able to perform a few benchmarks. The results are shown below:
Computer Arch CPU RAM Drive Java Build Time
------------- ------ -------- ----...
4
votes
How fast can GPIO pins toggle?
If you want to synchronously transmit data at 50MHz frequency (that's how I read "pins to be toggled on the schedule of a ~50 mhz FPGA clock"), you will absolutely need to use the same clock source ...
4
votes
Benchmark on one machine too extreme
Running that command to bench your RPi is not so acurate. That command will burn 1/4 cores of your Pi, thats why you get weirds results. Try to activate all 4 cores at 100%.
I coded a small benchmark ...
3
votes
Benchmarking SD cards, read speed is identical
There are several factors to consider, not just card speed.
As one person as stated, the Raspberry Pi could be the bottle neck, yet that could be its hardware, or software driver. Be advised, I'm ...
3
votes
Accepted
Raspberry PI2 what is the maximum sdcard speed?
The SD card interface is unchanged.
See Raspberry Pi 2 - FAQ and collated answers
2
votes
Benchmark on one machine too extreme
For what it's worth, I just ran that same test on a stock Raspberry Pi 3B running Raspbian Jessie and it completed in 24.3 seconds. It took 73.4 s on a Model B rev 2 running Wheezy.
Unless you have ...
2
votes
Can I use Raspberry pi as NAS with Raid 1 and encrypted file systems?
Does Raspberry Pi Model B+ have sufficient CPU and memory to handle both mdadm and encrypted hdds?
I'm not an expert on, or even a user of such things, but unless this places significant load on your ...
2
votes
Pi 4 performance against x86 - CI/CD server with Java/Maven
Jenkins and Maven by themselves don't consume any significant CPU time. You need to profile specific implementations of the compilers you're going to use. If you're interested in GCC and don't have a ...
2
votes
Accepted
How long does it take to build cmake on a raspberry pi 3 A+
I have recently been through this process and wanted to capture the answer for future reference. These benchmarks were taken using a regular stopwatch.
Configure: 30 minutes
Make: 80 minutes
Make ...
1
vote
How fast can GPIO pins toggle?
We have recently benchmarked PIGPIO and RPi.GPIO with regards to the accuracy of reading inputs at different frequencies. The test was performed on a Raspberry Pi 3b, reading signals generated from a ...
1
vote
Can I use Raspberry pi as NAS with Raid 1 and encrypted file systems?
I expect this can be made to 'work' (you will need 4 x USB-SATA 'dongles'), however throughput will be hopelessly slow ...
All 4 USB ports & Etrhernet (on the B+ or a A/B with external Hub) are ...
1
vote
How can I stress test my Raspberry Pi
Either of these two:
for i in 1 2 3 4 ; do nice -n 20 openssl speed >/dev/null 2>&1 & done
or
for i in 1 2 3 4 ; do nice -n 20 cat /dev/zero > /dev/null & done
will suffice, ...
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