Top "Intel" questions

Memory alignment on a 32-bit Intel processor

Intel's 32-bit processors such as Pentium have 64-bit wide data bus and therefore fetch 8 bytes per access. Based on this, …

memory x86 alignment 32-bit intel

floating point operations per cycle - intel

I have been looking for quite a while and cannot seem to find an official/conclusive figure quoting the number …

cpu intel cpu-architecture flops nehalem

Intel MKL vs. AMD Math Core Library

Does anybody have experience programming for both the Intel Math Kernel Library and the AMD Math Core Library? I'm building …

math optimization intel hpc amd-processor

assembly registers esp and ebp

I am currently learning assembly for Intel processors. Since the stack 'grows down', why do we have to add in …

assembly intel cpu-registers

Why does the performance become bad after enabling hyperthread?

I port Linux kernel 2.6.32 to Intel(R) Xeon(R) CPU E31275 @ 3.40GHz. If I enable hyperthread in BIOS, I can …

linux linux-kernel scheduling intel hyperthreading

Debian Firmware bug TSC_DEADLINE disabled due to Errata

On Debian, when machine is boots, it shows error: [Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode …

debian intel firmware

Why is floor() so slow?

I wrote some code recently (ISO/ANSI C), and was surprised at the poor performance it achieved. Long story short, …

c performance visual-c++ x86 intel

Get the graphics card model?

I was wondering how I can get the graphics card model/brand from code particularly from DirectX 9.0c (from within …

c++ graphics model directx intel

FMA3 in GCC: how to enable

I have a i5-4250U which has AVX2 and FMA3. I am testing some dense matrix multiplication code in …

c++ gcc intel avx fma

error: Updating from such a repository can't be done securely, and is therefore disabled by default

I've been trying to set up an intel realsense D415 on an Odroid XU4 and keep on running into the …

intel odroid realsense