• What is the power consumption of a76 gpu and a77 gpu in normal state?
    My friend and I discussed which one of these two is high power consumption. I originally wanted to find the power document, but I didn't find it. But I found this forum.Can you send me the document URL...
  • Precise Memory Error
    Note: This was originally posted on 3rd August 2010 at http://forums.arm.com I am working with a Cortex-m3 using assembler and am getting "precise memory errors".  The manuals refer to this fault a lot...
  • ARMv8 memory ordering
    In the ARM Architecture Reference Manual issue D.a (ARM DDI 0487D.a) section K11.3.1 "Acquiring a lock" has the following example code: AArch32 Px PLDW[R1] ; preload into cache in unique state Loop...
  • Memory access ordering - an introduction
    I recently gave a presentation at the Embedded Linux Conference Europe 2010 called Software implications of high-performance memory systems . This title was my sneaky (and fairly successful) way to get...
  • Memory access ordering part 3: Memory access ordering in the Arm Architecture
    In my previous posts, I have introduced the concept of memory access ordering and discussed barriers and their implementation in the Linux kernel . I chose to do it in this order because I wanted to...