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𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
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Oct 1 • 5 tweets • 2 min read
I'm here at @Tesla #AIDay2022 - this is probably the only photo I'll be allowed to take. We're getting ready to start, I'm sat pretty much at the back in the 'content creator' section, but there are plenty of booths about all different aspects. I'm taking notes. Thread ->
@Tesla No photos from people attending the event it seems, but there are people with cameras. Elon just took to the stage.
Livestream is here:
I might just sit back and watch.
Lots of people are taking pictures and video. The no photo rule doesn't apply then?

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More from @IanCutress

𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
Oct 1
So I've already seen the @Tesla D1, the training tile, the DIPs, the tile-to-tile SERDES link connectors, and the racks holding the units. Two racks give six tiles and 104 kW.

There's a Dojo Tile here on a desk. I want to see if they'll let me pick it up later. #AIDay2022
@Tesla Pretty much everything is using a chonky substrate. The power delivery is using BGA on BGA, perhaps for height reasons?

As mentioned before, no photos it seems. Perhaps something is shown on stream if they cover it later?
@Tesla All 'content creators' and investors have been given yellow lanyards and yellow bracelets. I think that's an indication so that certain people don't talk about future stuff. But we all signed a doc saying if an engineer says something that they say is off the record, you agree
Read 5 tweets
𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
Sep 27
From Intel MJH: The workstation group transitioned from DCAI to CCG 9 months ago. Institutional changes are happening, they recognize that there needs to be a family of workstation products. They have customers with demand, says 'give us time to showcase what we can do'. #IntelON
Also: Will never stop trying to get Apple to be a customer again. Intel wants everyone to have high performance.
When asked about AVX-512. Constant evaluation and internal discussions about support in future products within client. Door isn't closed.
Read 5 tweets
𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
Sep 27
At #intelon
Here's @PGelsinger
His t-shirt says 'bringing geek back', but geek is in binary (doesn't say what encoding) #IntelON
Read 37 tweets
𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
Jul 28
Intel Q2 Financial Q&A, a thread 👇 $INTC 1/n
Evercore Q: Implied guidance is 12% into Dec. What gives confidence with inventory correction/supply chain? Does PC TAM down 10% conservative enough?
A: In 4Q, given inventory burn in CCG and DCAI, we're shipping below market rate for those. Good set of products coming in 2H, Intel is operating with wind in its sales. Also increasing our pricing, takes effect in Q4.
Read 30 tweets
𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
May 24
So, discussing all-core frequency on Ryzen 7000. We saw the demo with 5.5 GHz peak, and AMD said 5.2-5.5G was common for that game.

We are doing some napkin math about what a proper workload might be. Thread (1/n):
So certain games don't tax the CPU all that much. The code path doesn't spread out, doesn't use many execution units, and it could be a very light workload. The core power requirements might be low, and so frequency can be boosted.
As we see with CPU tests, some tests hammer the core with high IPC (P95), others with low IPC (Cinebench).

With the Ryzen 7000, let's work on core power. We'll start with this graph of core power, under a high IPC workload, for the 7nm 5950X:
Read 14 tweets
𝐷𝑟. 𝐼𝑎𝑛 𝐶𝑢𝑡𝑟𝑒𝑠𝑠 Profile picture
May 24
Dennard Scaling in action, with AMD CPU Frequencies:

▶ 1999: 1 GHz (Athlon K7)
▶ 2013: 5 GHz (FX9590)
▶ 2022: 5.5 GHz (Zen 4)
▶ 1999: 1.0 GHz (Athlon K7)
▶ 2003: 2.0 GHz (FX-51)
▶ 2006: 3.0 GHz (FX-74)
▶ 2011: 4.0 GHz (FX-4170)
▶ 2013: 5.0 GHz (FX-9590)
▶ 2022: 5.5 GHz (Zen 4)
▶ 1996: 0.1 GHz (K5-100)
▶ 1997: 0.2 GHz (K6 200)
▶ 1998: 0.3 GHz (K6 300)
▶ 1998: 0.4 GHz (K6-2 400)
▶ 1999: 0.5 GHz (K6-2 500)
▶ 1999: 1.0 GHz (Athlon K7)
Read 4 tweets

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