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5 posts5 participants1 post today
It’s not just clock speed: Here’s what makes one CPU better than another
“When you’re comparing two of the best CPUs, the first spec that comes to mind is clock speed. It quite literally represents how fast the CPU can churn through clock cycles, and naturally, you’d assume a higher clock speed means higher performance. ...continues
See https://gadgeteer.co.za/its-not-just-clock-speed-heres-what-makes-one-cpu-better-than-another/
GadgeteerZA · It's not just clock speed: Here's what makes one CPU better than another“When you're comparing two of the best CPUs, the first spec that comes to mind is clock speed. It quite literally represents how fast the CPU can churn
Is Python Code Sensitive to CPU Caching? (2024)
lukasatkinson.deIs Python Code Sensitive to CPU Caching? | Lukas Atkinson
The Transputer in your Browser - We remember when the transputer first appeared. Everyone “knew” that it was going ... - https://hackaday.com/2025/04/04/the-transputer-in-your-browser/ #parallelarchitecture #retrocomputing #transputer #cpu
Hackaday · The Transputer In Your BrowserWe remember when the transputer first appeared. Everyone “knew” that it was going to take over everything. Of course, it didn’t. But [Oscar Toledo G.] gives us a taste of what lif…
So, what about the rest of the internals?
It's official: Nvidia is making the Nintendo Switch 2's processor
https://www.xda-developers.com/its-official-nvidia-is-making-the-nintendo-switch-2s-processor/
Looking forward to learning more about this libre-licensed RISC-V SoC with Kazan GPU and VPU.
https://www.crowdsupply.com/libre-risc-v/m-class
I'm really curious how these types of chips are prototyped. I know we can simulate a few hundred thousand logical operations with an FPGA, but is that even close to simulating a powerful chip of this size?
Crowd SupplyLibre RISC-V M-ClassA 100% libre RISC-V + 3D GPU chip for mobile devices
A SNES CPU Replacement Via FPGA - Let’s say you had a SNES with a busted CPU. What would you do? Your SNES would be ... - https://hackaday.com/2025/03/31/a-snes-cpu-replacement-via-fpga/ #nintendohacks #nintendo #snes #cpu
Hackaday · A SNES CPU Replacement Via FPGALet’s say you had a SNES with a busted CPU. What would you do? Your SNES would be through! That is, unless, you had a replacement based on an FPGA. [leonllr] has been developing just such a t…
Extensive Analysis of the Raptor Lake CPU Bug
Intel’s Raptor Lake CPUs, which form part of the 13th and 14th generation Intel Core desktop processor line, were celebrated for their hybrid architecture combining high-performance cores with efficiency cores. However, shortly after their release, a critical bug emerged that has led to system instability and, in some cases, permanent degradation of the affected chips.
Read More: https://machaddr.substack.com/p/extensive-analysis-of-the-raptor
TechnoEdge 
Continued thread
I registered for the general portion of the show just in case I happen to be in San Jose, CA on the date of the conference. However, I really wish I lived close enough to attend the developer sessions 
Replied in thread
Well, have sat on this for several days, hoping for a better idea to hit me, in order to avoid having to buy the single local option available whose price is clearly a monumental rip-off. Assuming still no better 
by post-dinner tonight, i shall just have to swallow my annoyance, hold my nose, & allow myself to be ripped-off, otherwise, still no working pooter. Sigh.
Uncovering the Hidden Flaw: The Legacy of the Pentium Pro Minor Bug
The Pentium Pro Minor Bug, sometimes referred to in technical circles as the “Flag Erratum” or by the informal designation “Dan-0411,” is a subtle hardware flaw in the floating‐point unit (FPU) design that was inherited by both the Pentium Pro and later the Pentium II processors.
Read More: https://machaddr.substack.com/p/uncovering-the-hidden-flaw-the-legacy
Continued thread
Initial results rather dispiriting. I need only the new fan & motor, not the heatsink too, but so far all results i've found for apparently right model are for the complete combo. Any bare fans/motors so far are all the wrong models. Additional irritant; heaps of results are for Amazon listings, & i will never under any circumstances support that terrible company.
Shall go & sulk over dinner & movie, then resume later. Sigh.
Continued thread
All this gobbledegook is on the dodgy cooling fan's centre hub face:
- Intel
- E97378-001
- CNSH4492M4
- F90T12NS1B7-64A01C1
- DC12V 0.28A
- NIDEC
Otoh this cpu info is on my 2015 Invoice for once-happy now-sad pooter:
- CPU Intel Core i7-4790 3.6Ghz 8Mb Cache S1150
Methinks i'll begin feeding the latter info into my search engine, & use the basically unintelligible-to-me [except its first & fifth lines] former info to hopefully corroborate any hits, if necessary.
An interesting new look at the (bench) performance of the M4 Max vs M3 Ultras Mac Studio.
Replied in thread
Somewhere in a meeting room in AMD headquarters there's a manager asking his engineers, "Okay, we did 192 cores per socket. Did Jerry max that out? Where can we go from here?"
Qualcomm、ポータブルゲーム機向けSoCの新型「Snapdragon G」シリーズ – PC Watch https://www.playing-games.com/567271/ #CPU #Game #GameNews #GamingNews #Qualcomm #ゲーム #ゲーム最新情報 #半導体/周辺機器
