Chips and Cheese

Arm’s Cortex A55

Arm’s 5-series cores are meant for tasks where performance barely matters, but power and area efficiency are top priorities.

7 hrs ago • Chester Lam

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July 2026

RosaicLabs, Atom RTL, and 32-Tile AMX: Trying to Piece Together a x86 Puzzle

Hello you fine Internet folks,

Jul 31 • George Cozma

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AMD Advancing AI 2026: Talking CDNA5 with AMD’s Alan Smith

Hello you fine Internet folks,

Jul 27 • George Cozma

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AMD’s Instinct MI455X: Aiming for the Sun

Editor’s Note (7/25/2026): The article has been edited with more information about the L2 behavior along with the bandwidth of the die to die interface.

Jul 23 • George Cozma, Aurora Nockert, and Nintonito

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LLVM Divination of GFX1251’s Differences

Hello you fine Internet folks, this article is a sequel to the Scrying the AMD GFX1250 LLVM Tea Leaves article where we are going to look at the…

Jul 20 • George Cozma and Aurora Nockert

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Scrying the AMD GFX1250 LLVM Tea Leaves

In just a few short days, AMD will be showing off their brand new MI400 series of Datacenter Accelerators at their Advancing AI event but before that…

Jul 19 • Aurora Nockert

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Is x86 ready to ACE it?

CPU designs must evolve to keep up with changing workloads.

Jul 14 • Chester Lam and Aurora Nockert

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June 2026

TOP500 at ISC’26: We have a New Number 1

Hello you fine Internet folks,

Jun 25 • George Cozma

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An Interview with Intel's Kira Boyko: Xeon 6+'s Product Director

Hello you fine Internet folks, today we have an interview with Kira Boyko, the Product Director of Intel Xeon 6+.

Jun 12 • George Cozma

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May 2026

Evaluating SPEC CPU2026

SPEC’s CPU benchmark suite has been a long established industry standard, and is almost impossible to miss when reading through various publications.

May 23 • Chester Lam

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Evaluating Geekbench 6

Applications vary wildly in what they demand from a system, making it difficult for a single benchmark to provide a broadly representative score.

May 7 • Chester Lam

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April 2026

Investigating Split Locks on x86-64

How bad are they, really? And how bad is the medicine?

Apr 8 • Chester Lam

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