tarlinian

8 ms·

31.
by tarlinian 6y ago
Hopefully this behavior change will help improve AVX-512 uptake and end the somewhat ridiculous conception people have that the instructions are entirely useless. Intel's HotChips presentation on Icelake-SP also indicated that the beha
32.
by tarlinian 6y ago
What does this mean...you still need some sort of analog capacitor to collect photons and convert them to electrons.
33.
by tarlinian 6y ago
HiSilicon does not own a fab. They're just like Qualcomm, a fabless design house.
34.
by tarlinian 6y ago
This is absolutely not true. They are available for every publicly available SKU. https://www.intel.com/content/www/us/en/products/docs/proces...
35.
by tarlinian 6y ago
There is more recent work. This blog post by Travis Downs is the most detailed analysis of transition behavior I've seen: https://travisdowns.github.io/blog/2020/01/17/avxfreq1.html For general guid
36.
by tarlinian 6y ago
So in some sense very similar to SKX behavior? The first iteration of the instruction implementation requires judicious use of instructions, while later implementations (this is something to be upset about...those "later implementation
37.
by tarlinian 6y ago
It also is infinitely more clear and simple to understand when you correctly realize that "F equals M times A" instead. I assume this was just an accidental transposition and you're not actually a crackpot. :)
38.
by tarlinian 6y ago
Unlike Intel, Micron has practically outsourced most of their manufacturing to Singapore, Taiwan and Japan. Their only production fabs in the US are in Utah and Virginia both of which are mostly focused on niche or older products. More impo
39.
by tarlinian 6y ago
There are many other aerospace companies that are in principle capable of designing high performance airplanes in the US. There are literally no other companies in the US with modern semiconductor manufacturing expertise (in logic, not memo
40.
by tarlinian 6y ago
IMO your last statement is kind of ridiculous. Intel is literally the only company that does high volume wafer manufacturing in the US at anything approaching leading edge geometries. Are there any other American companies the government co
41.
by tarlinian 6y ago
This is the opposite of what you want for a having nice software tools.
42.
by tarlinian 6y ago
"Went missing" makes this sound way more nefarious than it is. It just means that the ballot wasn't returned (e.g., the person didn't vote. I vote by mail and there are elections where my ballot would have gone missing b
43.
by tarlinian 7y ago
I have no particular reason at the moment to care about any of this, but your posts are always very interesting reading. I was actually surprised to see the zeroing idioms not being recognized. I sort of assumed those were cheap to implemen
44.
by tarlinian 7y ago
Some additional pages by Intel describing mitigation techniques for non-HT domains (including the new overload of the VERW instruction): https://software.intel.com/security-software-guidance/insigh... Details of which
45.
by tarlinian 7y ago
The depreciation on the equipment used to make NAND would not come close to supporting the prices you describe. In a market with a small number of players, public disclosures of capacity adjustments are sufficient to "collude". Bu
46.
by tarlinian 8y ago
I agree, I remember reading this article and thinking something was odd...how could you implement page table isolation in hardware? The Spectre improvement could plausibly be more similar to software mitigation...
47.
by tarlinian 8y ago
I think you're confused about the benefits/drawbacks of increasing batch size. The training progress per optimizer step increases with batch size (otherwise the smallest batch would be always optimal). Increasing the batch size im
48.
by tarlinian 8y ago
> They're a waste of engineering talent and have contributed nothing to the world. That's arguably true now...but to claim that IBM hasn't contributed anything to the world is just hyperbole. I mean, they invented the rel
49.
by tarlinian 8y ago
The program includes talks about other layers that Apple is developing. Does anyone know if they are planning on open sourcing any of those layers in the future?
50.
by tarlinian 8y ago
It's not a news story...mostly analysis/predictions. (If you're talking about generic announcements of XPoint DIMMs that was in the news at the end of may: https://www.anandtech.com/show/12828/intel-
51.
by tarlinian 8y ago
Lazy FPU state restoration almost never makes sense on modern CPUs (regardless of security issues) because the cost of an interrupt for state restoration is so high and because "FPU" registers are used for a lot more than just FP
52.
by tarlinian 8y ago
Generally speaking I was under the impression that Islam and Christianity in particular are significantly better represented in southern India, especially if you consider political influence.
53.
by tarlinian 9y ago
National sovereignty over airspace does not extend into orbit. Otherwise nearly every earth science satellite in polar orbit would be in violation of international law.
54.
by tarlinian 9y ago
I'm not exactly sure what's more "nebulous" about the timing for consumer chips. This timing is specified for both the consumer and server chips in the same sentence in the press release: "These changes will begin w
55.
by tarlinian 9y ago
Transistor switching frequency has almost nothing to do with processor clock speeds which are almost entirely limited by wire RC delay. You will get increased drive currents by switching to higher mobility materials but the performance impr
56.
by tarlinian 9y ago
Are you really implying that the fact Apple doesn't even disclose which processors were vulnerable to this a positive?
57.
by tarlinian 9y ago
Do you know how many CPUs Apple makes? It's certainly an order of magnitude larger than all the unaffected vendors combined...
58.
by tarlinian 9y ago
The fact that modern processors speculatively load memory has been known for a long time (and it's not like the fact that permission checking only occurs during retirement is documented...the reason no one considered it a problem was t
59.
by tarlinian 9y ago
Really, the "exact same feature"? None of the processors in that report even support OoOE.
60.
by tarlinian 9y ago
The CNTK C++ API is much more straightforward to use than TF(especially on Windows) and is much better suited to deploying serialized models into production as a part of existing C++ applications. The provided examples require way more boil

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