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Questions tagged [performance]

Questions about software, hardware or network performance. Please use as a supplement for other, more specific tags.

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6
votes
1answer
2k views

Could raspberry be a good choice for home monitoring?

I'm not sure if this is the correct thread to ask but I need to start somewhere What I'm looking to do is small box computer that I can mount on wall near the exit from my house that would monitor ...
3
votes
1answer
768 views

How do I connect a DS18B20?

I'm trying to connect a DS18B20 to the GPIOs. I have successfully done so electronically, but I could only code the reset function because it's not that time critical. It is OK for that function to ...
3
votes
4answers
3k views

Does Raspberry Pi runs Minecraft and Netbeans 7.2?

I have a computer with 512MB of RAM Memory, CPU Intel Celeron 1.60GHz and a 80GB HD. After the new Minecraft update to 1.3.X, Minecraft don't run on my computer any more even on Windows XP and Lubuntu ...
23
votes
4answers
23k views

Why is my SD card slow?

My SD card seems to be running slow. I have an ADATA 16 GB SDHC Class 10 card. I checked the compatibility list which lists a card with similar specifications, and it states that it is "working". Even ...
46
votes
9answers
73k views

Can the Raspberry Pi be used as a media center?

I am looking for a simple solution to play videos and music stored on my NAS. I've found the Raspberry Pi and projects like OpenElec and RaspBMC which will run XMBC on the board. My problem is that I'...
35
votes
4answers
28k 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 ...
8
votes
1answer
2k views

Hard-float and performance

Ever since the official Raspbian image came out, there has been much talking about hard-float - often cited as one of the most prominent Raspbian features, promising "tremendous performance boost". I ...
56
votes
5answers
92k views

How do I determine the current MHz?

I've been trying to get an accurate reading of my Raspberry Pi's MHz, since I overclocked it in /boot/config.txt My /boot/config.txt is as following: pi@raspbmc:~$ cat /boot/config.txt arm_freq=900 ...
24
votes
1answer
6k views

How do I turn on Level 2 (L2) cache?

It has been suggested to me that the L2 cache is turned off by default on the Pi, and that turning it on could improve CPU performance (probably at the expense of GPU performance). I'm keen to explore ...
13
votes
2answers
5k views

Why does python run relatively slowly?

I've been benchmarking the Pi on some of my simulation codes, relative to a couple of laptops I have. My codes tend to be floating point intensive, so I've been using Raspbian (which turns out to be ...
19
votes
1answer
6k views

How can I use a USB HDD to extend the life of my SD Card?

How can I set up a USB HDD to extend the life of my SD Card and maximize the performance of my Raspberry Pi? Related: How can I extend the life of my SD card?
15
votes
4answers
31k views

Can I speed up web browsing on the Raspberry Pi?

Browsing the web using Midori on the Raspberry Pi feels very slow. I appreciate that the speed at which a web page will load is determined by a number of factors including: the speed of the network ...
29
votes
4answers
8k views

Is there anything I can do to improve boot speed?

I love my Pi, but it takes a considerable time to boot. If I want to use it as a Media Centre, it's quite important that it powers up quickly. Are there any steps I can take to improve boot ...
28
votes
6answers
26k views

What is a typical boot time for the standard Debian distribution on a typical SD card?

How long does the RasPi take to boot when using the standard Debian distribution on a typical SD card? Are we talking less than a second? A couple of seconds? 10 seconds? 100 seconds? This isn't too ...
22
votes
1answer
10k views

Can I stream 1080p video from the Pi?

We all know the Pi can play 1080p video no problem, but is it fast enough to act as the basis for a file server that can stream 1080p video over its wired network connection? I'm thinking of using ...
39
votes
2answers
20k 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 ...
18
votes
3answers
1k views

Is it possible to mine Bitcoins?

Obviously, the RPi can be used to mine Bitcoins on the CPU, but this would be very slow. Is it possible to use the GPU to mine Bitcoins?
16
votes
1answer
8k views

Running 1080p video from within XOrg smoothly

The 1080p examples that work outside of X.Org run very smoothly on my Pi, but within X.Org they don't run very smoothly at all at the moment. Given that X.Org is currently not GPU-accelerated, this ...
35
votes
5answers
14k views

What are the overclocking capabilities?

I've not ordered mine (yet!), but I do some overclocking as a hobby to the extent that my netbook, Android phone, desktop, and even my wife's Blackberry are overclocked. Is there potential to ...