Some readings about the ARM assembler

Sunday December 2nd, 2012By: CyrIng

If you are familiar with the assembler programming, you may find the followings helpful to upgrade yourself to the ARM.

Computing the 4 operations

  • We use the inline assembler of gcc into the fcalc3 function

  • The ARM assembler provides a nice feature of merging the instructions and the conditions
if(b > a)
c = 1;
else
c = 2;
CMP r2, r1
MOVGT r3, #1
MOVLE r3, #2




Raspberry Pi benchmark

Monday November 26th, 2012By: CyrIng

Using the Linpack.c test, the i7-920 processor @ 3.5GHz is 85 times faster than the Raspberry, model B @ 700 MHz

KFLOPS : 3712985.699 (Intel) / 43297.209 (ARM)

Intel Core i7-920

Raspberry Pi Model B

Indeed, but the RPi offers you a silent practice of Linux , and this, is a revolution.

You may even ask yourself : did I forget to switch on this tiny computer !

Let’s ask the big guy help the little boy with Cross Compiling. In the Wiki, you will find how to set it up.









CoreMod 2012-0.1.3 Nightly Build

Thursday September 6th, 2012By: CyrIng

We are releasing a coremod source code snapshot.
This nightly build version provides :

  • the reading of the processor features, based on the CPUID instruction
  • the performance of the Core i7 frequencies, using the MSR registers
  • the DDR3 latency timings through the I/O of the memory controller









FTS

Tuesday July 24th, 2012By: CyrIng

The File Transfer Service, programmed in PHP, HTML5 and CSS3, allows to view and download any source code outlined in our blog.

The highlighted syntax is provided by GeSHi

Still in Alpha version, the FTS project is available in a brand new vhost code.cyring.fr/FTS

As for the Forum and the Wiki links, a direct access to any code mentioned in the blog will be soon added in the footer area.

File Transfert Service

File Transfert Service