Personal computing discussed

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by blastdoor
Wed Mar 31, 2021 12:33 pm
Forum: Processors
Topic: AMD equivalent to i7-4790k?
Replies: 4
Views: 2218

Re: AMD equivalent to i7-4790k?

For entertainment purposes only.... if you only care about multithreaded performance and don't care about power draw (or need a heater), you could get a dual Opteron 6380, which gets somewhat better than the 4790k in Geekbench 5 multithread: https://browser.geekbench.com/v5/cpu/6028134 https://brows...
by blastdoor
Wed Mar 24, 2021 1:34 pm
Forum: Processors
Topic: Intel’s “big” announcement
Replies: 2
Views: 1658

Re: Intel’s “big” announcement

Or maybe the gorilla slipped on its own banana peel, somehow landed with its head stuck up its a$$, and then lost its territory to a bunch of chimps.

The plan now is — extract head and stand up.
by blastdoor
Wed Mar 24, 2021 10:30 am
Forum: Processors
Topic: Intel’s “big” announcement
Replies: 2
Views: 1658

Intel’s “big” announcement

https://www.anandtech.com/show/16573/intels-new-strategy-20b-for-two-fabs-meteor-lake-7nm-tiles-new-foundry-services-ibm-collaboration-return-of-idf The cynical side of my brain interprets this as intel announcing they will continue to be intel but now they’re going to maybe try harder. The less cyn...
by blastdoor
Sat Mar 13, 2021 4:52 pm
Forum: Processors
Topic: Rocket lake
Replies: 18
Views: 2465

Re: Rocket lake

Sure, you're right, I just made it up and my post was based on imaginary experience. /s IIRC, you work in the government sector what happens there doesn't necessary apply to the private sector and vice versa. I have read a number of stories that IT Admins and departments getting burnt by Meltdown/S...
by blastdoor
Thu Mar 11, 2021 9:10 pm
Forum: Processors
Topic: Rocket lake
Replies: 18
Views: 2465

Re: Rocket lake

The good news for intel is that the processors people want to buy are in short supply. So anybody who needs to buy now might be willing to settle for intel. That could keep intel going strong for the next 12-18 months. that’s a lot more time to pull their head out of their a$$ than they deserve
by blastdoor
Tue Mar 09, 2021 7:31 pm
Forum: Processors
Topic: Rocket lake
Replies: 18
Views: 2465

Rocket lake

https://www.anandtech.com/show/16535/in ... ocket-lake

Best feature — you might actually be able to buy it.

Downside — you probably won’t want to buy it.
by blastdoor
Fri Jan 22, 2021 12:04 pm
Forum: Processors
Topic: Intel targeted by hedge fund guy
Replies: 4
Views: 2159

Re: Intel targeted by hedge fund guy

Wall Street was happy about Gelsinger coming back, but it sounds like not so happy that Intel plans to double down on manufacturing: https://finance.yahoo.com/news/intel-gives-upbeat-forecast-demand-210518064.html I can't blame Wall Street -- Intel management has utterly torched their credibility. B...
by blastdoor
Thu Jan 21, 2021 2:31 pm
Forum: Processors
Topic: Gelsinger, eh?
Replies: 9
Views: 2071

Re: Gelsinger, eh?

by blastdoor
Tue Jan 19, 2021 1:50 pm
Forum: Processors
Topic: Gelsinger, eh?
Replies: 9
Views: 2071

Re: Gelsinger, eh?

Rambus was excellent tech...just too early for its time and far too expensive for the gains to be had. I'd like to hear more about this perspective... My recollection is that DDR was the excellent part, and obviously that's been widely adopted. But I seem to recall that RDRAM had a narrow bus (16 b...
by blastdoor
Sun Jan 17, 2021 10:42 am
Forum: Processors
Topic: Gelsinger, eh?
Replies: 9
Views: 2071

Gelsinger, eh?

When I hear the name "Gelsinger" I think of words like Itanium, Netburst, and Rambus.

Is that unfair? Or is Intel now more doomed than ever?
by blastdoor
Sun Jan 17, 2021 10:41 am
Forum: Processors
Topic: Bad news for lawyers and x86
Replies: 2
Views: 1714

Re: Bad news for lawyers and x86

How naive, young grasshopper. The opposite may very well be true where they sue a few more people to extort extract even more money to fund that development. And x86 is not dead. If such migration is to happen it is going to take a while. But it has been declared dead from the early 90s and on and ...
by blastdoor
Wed Jan 13, 2021 1:17 pm
Forum: Processors
Topic: Bad news for lawyers and x86
Replies: 2
Views: 1714

Bad news for lawyers and x86

Looks like Qualcomm is spending money on maybe making competitive CPUs for a change. https://www.reuters.com/article/us-qualcomm-m-a-nuvia/qualcomm-eyes-challenge-to-apple-intel-with-1-4-billion-deal-for-chip-startup-idUSKBN29I1OJ That means less money for lawyers and more competition for x86. Seems...
by blastdoor
Tue Jan 05, 2021 6:44 pm
Forum: Processors
Topic: Intel targeted by hedge fund guy
Replies: 4
Views: 2159

Re: Intel targeted by hedge fund guy

takeasneededforpain wrote:
Remember how much good Carl Icahn did for TWA?


(as I slink back into the shadows, snickering all the way...)


Don’t blame the vulture for the corpse. Take away the vulture and the corpse doesn’t come back to life, it just sits there and stinks.
by blastdoor
Wed Dec 30, 2020 8:51 am
Forum: Processors
Topic: Intel targeted by hedge fund guy
Replies: 4
Views: 2159

Intel targeted by hedge fund guy

https://www.reuters.com/article/us-intel-thirdpoint-exclusive/exclusive-hedge-fund-third-point-urges-intel-to-explore-deal-options-idUSKBN2931PS Buried at the end is this nugget: In June, it lost one of its veteran chip designers, Jim Keller, over a dispute on whether the company should outsource mo...
by blastdoor
Sat Dec 19, 2020 7:06 pm
Forum: Processors
Topic: PC ARM?
Replies: 1
Views: 1454

PC ARM?

https://www.bloomberg.com/news/articles/2020-12-18/microsoft-is-designing-its-own-chips-for-servers-surface-pcs?sref=SvwPxqpB Interesting speculation. I’m sure they’re doing *something* but I doubt they’re investing the resources necessary to compete with apple. I mean they could, but they don’t hav...
by blastdoor
Thu Nov 19, 2020 5:34 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

Is there any evidence Apple wants users to be able to upgrade with industry standard parts? Their business model these days seems to be to make everything proprietary and have enforced obsolescence. Is there any ? Yes, quite a bit, like the vast majority of Macs that Apple has released since 1985 a...
by blastdoor
Thu Nov 19, 2020 6:58 am
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

How about replacing a Mac Pro with 1 TB of RAM with a SOC that has 128 GB of HBM I think the size and spot price of HBM stacks will make that a pipedream. Plus you'd need at minimum (assuming the earlier bandwidth numbers are correct) 20 of the fat cores to drive it assuming perfect scaling. Thanks...
by blastdoor
Tue Nov 17, 2020 4:29 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

Yeah, great point. How about replacing a Mac Pro with 1 TB of RAM with a SOC that has 128 GB of HBM backed with a high speed, high endurance 1 TB SSD for swap? It seems to me that they're going to have to decouple the RAM from the CPU package to attain "Pro" levels of memory density. There...
by blastdoor
Tue Nov 17, 2020 3:26 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

Isn't the M1 for the Apple Low end, or maybe lower performance, laptops? They could increase the bus width to 256 for the higher end, assuming support in the processor. At some point cost is a factor and wider bus with means more channels and most cost on the ram side. That said they have so much c...
by blastdoor
Tue Nov 17, 2020 2:47 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

4. The GPU is great for integrated graphics, but seriously lags behind discrete GPUs (no surprise, but still). They already beat older gen discrete , albeit low end? Yup, certainly true. But that still lags far behind what's in higher end iMacs and the Mac Pro. I don't mean that as a criticism of t...
by blastdoor
Tue Nov 17, 2020 1:01 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

More details from Anandtech: https://www.anandtech.com/show/16252/mac-mini-apple-m1-tested A few things caught my eye: 1. It looks like Apple is definitely using LPDDR4X RAM with a 128 bit bus, so my dreams of HBM were misplaced 2. If I'm interpreting this text correctly, this design is seriously ba...
by blastdoor
Sun Nov 15, 2020 11:12 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

Buub wrote:
tfp wrote:
I think he means the integer pipeline can issue 8 instructions at once, is 8-wide, not the number of cores on the cpu.

My apologies if I misunderstood, because that is a completely different architectural discussion, agreed!


No worries.
by blastdoor
Sun Nov 15, 2020 11:11 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

tfp wrote:
I think he means the integer pipeline can issue 8 instructions at once, is 8-wide, not the number of cores on the cpu.


Correct
by blastdoor
Wed Nov 11, 2020 9:35 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

by blastdoor
Wed Nov 11, 2020 9:35 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

I'm remembering, with the help of the google, that Itanium started out 6-wide and ultimately reached 12-wide. Apple's latest big core is 8-wide. I wonder -- how are they making such a wide architecture work? Certainly they have a huge instruction cache and other OOO capes. But I wonder -- is their ...
by blastdoor
Tue Nov 10, 2020 9:44 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

I'm remembering, with the help of the google, that Itanium started out 6-wide and ultimately reached 12-wide. Apple's latest big core is 8-wide. I wonder -- how are they making such a wide architecture work? Certainly they have a huge instruction cache and other OOO capes. But I wonder -- is their c...
by blastdoor
Tue Nov 10, 2020 6:44 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

Deep dive into A14 and some speculation on M1: https://www.anandtech.com/show/16226/apple-silicon-m1-a14-deep-dive TLDR— apple is going wide in a way that the limitations of x86 make impossible for intel or AMD. Apple has the performance/watt lead and if anybody else ever takes it, it won’t be x86.
by blastdoor
Tue Nov 10, 2020 1:44 pm
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Re: Mac ASi predictions

Looks like I was wrong, but in a good way. More powerful than I thought, plus a Mac mini.

No price change on Air and MBP; price cut on Mac mini.
by blastdoor
Tue Nov 10, 2020 10:24 am
Forum: Processors
Topic: Mac ASi predictions
Replies: 27
Views: 3178

Mac ASi predictions

I predict that Apple will announce a MacBook Air with an A14 which will be much faster than the Intel MBA it replaces and for less money. I also predict that Apple will announce a 13" MacBook Pro with an A14x that will be approximately as fast was the 16" MBP with the 8 core CPU and the mi...
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