AVX10/128 is a silly idea and should be completely removed from the specification
Intro and lots of context Intel recently unveiled the AVX10 specification as means for consolidating the vast majority of AVX-512 extensions into a single, easy-to-target specification. It aims to solve a few issues, among which is the startling array of configurations, targets, and spaghetti…
Zen 5’s Leaked Slides
A YouTuber called Moore’s Law is Dead recently leaked a couple AMD slides about Zen 5. I typically find leaks uninteresting as they are impossible to verify and often don’t correspond to reality. One example is leakers expecting RDNA 3 to one-up Nvidia’s Ada…
Qualcomm’s Hexagon DSP, and now, NPU
Cell phones have to handle telecommunications and audiovisual processing while maximizing battery life. Digital Signal Processors, or DSPs, use specialized hardware to offload these tasks from the CPU which lowers power usage. Qualcomm’s Hexagon has a long history of offloading signal processing in the…
Arm’s Cortex A510: Two Kids in a Trench Coat
Arm’s 5-series line moves slowly. The Cortex A53 and A55 each served across multiple generations of 7-series companions, and both were 2-wide in-order cores running at low clocks. When your architecture is only expected to handle non-demanding background tasks, you don’t need to push…
Intel’s Ponte Vecchio: Chiplets Gone Crazy
Intel is a newcomer to the world of discrete graphics cards, and the company’s Xe architecture is driving its effort to establish itself alongside AMD and Nvidia. We’ve seen Xe variants serve in integrated GPUs and midrange discrete cards, but Intel’s not stopping there.…
Hot Chips 2023: AMD’s Phoenix SoC
AMD’s mobile and small form factor journey has been arduous. In the early 2010s, the company’s Bulldozer-derived CPU cores stood no chance as Intel made massive gains in power efficiency. Zen narrowed the gap, but AMD still had a lot of work to do.…
Analyzing Starfield’s Performance on Nvidia’s 4090 and AMD’s 7900 XTX
Bethesda has a history of making demanding AAA games set in immersive open worlds. Starfield is the latest, and can best be described as Skyrim in space. Open world games put heavy demands on developers and gaming hardware because the increased scope dramatically increases…
Arm at HC35 (2023): CSS-Genesis
It would be a rather large understatement to say that Arm has strong popularity in general purpose CPU cores. Arm has been going forward full speed with introducing successive generations of new cores, in both the Cortex line of end-user oriented products and the…
Hot Chips 2023: Arm’s Neoverse V2
Arm has a long history in making low power CPUs, but have been trying to expand their reach into higher power and higher performance segments. At Hot Chips 2023, Arm presented the Neoverse V2, the newest member of their line of high performance server…
Hot Chips 2023: Characterizing Gaming Workloads on Zen 4
AMD didn’t present a lot of new info about the Zen 4 core at their Hot Chips 2023 presentation. Uops.info has measured execution throughput and latency for instructions on Zen 4. We’ve dug deep into Zen 4’s microarchitecture in a set of articles as…
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