Hard-float is using the floating point unit on Raspberry Pi chip instead of the software floating point. Compiling in hard-float my result increase of FLOPS.
6
votes
1answer
423 views
How can I tell if I am using the hard-float or the soft-float version of Debian/Raspbian?
Let's assume that I am dropped into a room with a Raspberry Pi running either Debian or Raspbian. How do I find out if it has hard float support or if it is just using soft float?
1
vote
1answer
253 views
Jamvm unable to run blocky on Arch Linux
I have compiled jamvm.I downloaded blocky for github and extracted it.
Then I followed some instructions here and when I execute it:
Error: jamvm VM not supported
So I modified ./blocky-jamvm from
...
1
vote
0answers
151 views
va_arg with double returns wrong value
In the tests for blocks runtime implementation, I'm having a test fail because a block that takes a variable number of arguments is not getting the right value for a double that is passed in.
The ...
3
votes
1answer
484 views
Are there any technical limitations when running hard-float binaries on a soft-float OS?
Since the hardware is generally the same between Raspberry Pi's, the target hardware is known to have a hardware floating point unit. I also understand that some operating systems opt to use soft-FP ...
3
votes
1answer
1k views
Preparing for a binary distribution. Hard float, soft float or both?
I have some source code that I would like to distribute as a binary to users so they don't have to wait for about 20 mins for it to compile. However, I am a bit confused about hard and soft float ...
11
votes
2answers
6k views
How can I get and install Oracle's Java JVM for Raspbian?
A recent press release from Oracle suggests that they have just released a JVM for Raspbian. The key text is:
Java SE 7 Update 6 introduces a JDK for Linux on ARM v6 and v7 to
address “general ...
7
votes
1answer
799 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 ...
5
votes
5answers
3k views
Can I install `libspotify` on Raspbian?
Is it possible to get libspotify working on the official Raspbian image? I installed it but couldn't figure out why my applications couldn't link to it:
error while loading shared libraries: ...
8
votes
1answer
1k 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 ...
