The last couple of days have been a whirlwind of coverage at two key events: Hot Chips, the semiconductor industry conference regarding new product designs, and some minor thing at Gamescom. At Hot Chips, we have planned to run over a dozen different Live Blogs, and have written up several of the talks into more detailed analysis pieces.

Hot Chips is one of the most enjoyable trade shows I go to every year: in the absence of IDF, Hot Chips is a show where we can learn significant information about both cores in the market, either server or desktop or mobile, or cores that are upcoming in future products. It also gives a chance for some companies to go into more details, or explain how their current products will lead into the future. The other yearly trade show that gives me goosebumps is SuperComputing.

Because we’ve got plenty of content about the show, I just wanted to run a small piece where our readers can access without searching for it. Here is our day one roundup. Day two roundup to follow when day two finishes.

Our full write-ups are as follows. This list will be added to as we get time.

Samsung’s Custom Exynos M3 Core Deep Dive

Over the coming months much of the hype for the new Exynos 9810 with its M3 cores fizzled out due to less and less enticing results. Starting from some questionable early-on benchmarks at the release of the Galaxy S9, through to our extremely in-depth Galaxy S9 device and SoC review, later on moving to DIY improvements in attempting to resolve some of the lower-hanging fruit in terms of software issues which hampered the real-world performance of the Exynos Galaxy S9. Throughout these pieces of course we had little official word from Samsung – and up till today we still didn’t know much about how the M3's microarchitecture actually worked.

Hot Chips 2018: Samsung’s Exynos-M3 CPU Architecture Deep Dive

We’ve exclusively first reported on the details of the new microarchitecture back in January and it was clear from that point on that this was a big one: Samsung made a big push in terms of performance, resulting in one of the biggest generational jumps of any silicon CPU designer in recent history. As part of this year’s first conference talks at HotChips 2018, we’ve had the pleasure to finally hear Samsung’s official microarchitecture disclosure on this year’s most polarising new CPU design, the Exynos M3.

Intel and Cascade Lake: Side-Channel Attack Protection

We recently learned about Intel’s Xeon Roadmap at the recent Datacenter Insider Summit, consisting of Cascade Lake in 2018, Cooper Lake in 2019, and Ice Lake in 2020, and now Hot Chips is the first chance for Intel to add some more information to the mix. Previously this would have been done at events like IDF, over several hours, but Intel only has 30 minutes on stage here.

Intel at Hot Chips 2018: Showing the Ankle of Cascade Lake

Intel is using the opportunity to expand on Cascade Lake’s previously announced features: new instructions for machine learning by taking advantage of the AVX-512 unit, and how the platform is set to be protected / hardened against attacks such as Spectre and Meltdown. We also have confirmation about how the new Optane DIMMs, Apache Pass, will be enabled through the platform.

Live Blogs at Hot Chips

For the direct live blogs, here are the talks we covered in real time as they were presented.

Day 1

  1. The Google Pixel Visual Core
  2. Intel on Graphics
  3. AMD APU Optimization
  4. SMIV DNN SoC for IoT
  5. NVIDIA Xavier SoC
  6. Microsoft Azure Sphere
  7. Google Titan

Day 2

Will be updated as we go through Day 2.

  1. NVIDIA’s NV Switch for DGX-2
  2. Xilinx and the ACAP
  3. Nantero Carbon Nanotube DRAM
  4. Arm’s Machine Learning Core
  5. Tachyum Prodigy Core
  6. Xilinx's xDNN Procesor
  7. IBM Power9 Scale Up and Future CPUs
  8. Fujitsu’s A64FX Vector Accelerator
  9. NEC’s Vector Accelerator
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  • eastcoast_pete - Tuesday, August 21, 2018 - link

    Hi Ian, Firstly, I appreciate the live b,logging coverage of Hot Chips, warts (typos) and all. IMO, that's the price of near real-time coverage, and I am happy to incur it.
    My next comment is in reference to Andrei's excellent coverage of Samsung's M3 core. You write "up till today we still didn’t know much about how the M3 microarchitecture actually worked." As we learned from Andrei's deep dive earlier this year plus his demonstration of a partial fix for the M3's performance problems, I am really wondering if Samsung's software side was equally in the dark about the M3 microarch when they wrote the immature low-level software the Exynos in the S9 was shipped with. Is this suggestive of a program and project management deficiency in Samsung's in-house processor development? Would love to hear from you, Andrei, and anybody else who has insight into this - thanks!
    Reply
  • linuxgeex - Thursday, August 23, 2018 - link

    This is simply a case of developers needing to have the hardware to work with and time to optimise for it. When AMD releases a new GPU their launch drivers are usable but over the course of the next 6 months the performance often increases by a good 20-30% as the developers have more time to implement and test ideas they may have had leading up to launch. Yes they have a simulator beforehand, yes they have early silicon for a couple months. These articles are written most of a year after the silicon as been out. There's just no comparison. It's also part of why sometimes launch day performance of new devices don't match manufacturer hype for the components. That isn't to say that the device won't get there after a couple firmware patches. A good example was the Playstation 2. Kutaragi came up with a hardware concept that scaled in ways the developers were not expecting and were inexperienced with and it took literally years for the game houses to adjust. So please forgive Samsung's developers and release managers, lol. It's really not their fault. Reply
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