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Saturday, July 25

Geek

Daily News Stuff 24 July 2020

Minor Schedule Slip Edition

Tech News

  • Intel's 7nm process is a year behind schedule.  (AnandTech)

    Desktop 7nm is now expected by the end of 2022, with server parts in 2023 - more than three years behind AMD.

    This is a driving factor behind Intel's "Foveros" die stacking technology.  If you're tightly constrained on your leading-edge process, breaking out I/O functions to a second chiplet produced on an older process in plentiful supply has a multitude of benefits.

    It's probably possible to build a 64-core Zen processor on a single die, but shipping it in volume is an entirely different question.

    And despite these problems, Intel just posted another record quarterly profit.


  • Putting the new Ryzen 4000 desktop APUs through their paces.  (Tom's Hardware)

    They're not slow.  CPU side competes with Intel's brand new 10700K, and graphics side can play League of Legends - admittedly not the most GPU intensive game - at over 100FPS on max settings at 4K.


  • Prices for the 4000 Pro desktop APUs have also leaked.  (WCCFTech)

    It's a shame you can't buy them because they're pretty good value.  The 6 core / 7 CU 4650G Pro comes in at $209, just $10 more than the 3600 Pro without GPU.


  • The reason I'm so hyped for the Ryzen APUs is that this is just the beginning.  At 5nm, with DDR5 RAM, AMD will be able to double everything - 16 cores and 16 CUs - while keeping the die size the same and still keeping TDP under control.

    The 15W Zen 2 laptop chips are already faster than my 65W Zen 1 desktop CPU, and when AMD starts shipping 5nm parts they'll be Zen 3 if not Zen 4.

    A 16 CU Navi IGP would still be slower than my current RX 580, but would certainly not be slow.

    Going much beyond that would require either a large graphics cache or more memory channels - which is what we see in the Xbox Series X and Playstation 5.  Both of those are really just Ryzen APUs with large IGPs.

    A Ryzen APU with quad-channel DDR5 would deliver gaming performance not far behind those consoles, but I'm not sure if the market is ready for it.


Disclaimer: P'raps not.

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Friday, July 24

Geek

Daily News Stuff 23 July 2020

Flagshipping Edition

Tech News

  • The Xiaomi Mi 10 Pro provides near flagship specs for just €999.  (AnandTech)

    Yay, I guess.


  • Shoulda bought AMD stock back in 2016.  (Tom's Hardware)

    Of course, had no money back in 2016.

    AMD has its earnings call next week, and will likely give us hints of future goodies to fuel uninformed speculation by tech bloggers.  Cough cough.


  • TechDirt is not partisan.  (TechDirt)

    Whenever you see a publication insist that it is not partisan, you know you have at most three paragraphs before they accuse Trump of putting children in cages.


  • Why Google needs a $99 tablet.  (ZDNet)

    I'd settle for $199 if it's any good.  (The article gives a reasonable list of requirements and says $150, despite the headline.)


  • Every problem I have with PyPy is due to its garbage collection.

    Case in point: If you use partials inside a loop in a Mustache template and process it through Pystache under PyPy, it can be an order of magnitude slower than CPython, despite the fact that PyPy averages 4.4x faster than CPython across a broad suite of benchmarks.  (And indeed outside of this specific case, Pystache is 4.5x faster under PyPy than CPython.)

    Another case in point: PyPy uses far more memory than Python.  Simple tasks that work fine under Python can leak gigabytes of memory and get the attention of the OOMK if you're not paying attention.

    I'm not sure how central to PyPy's performance that choice of garbage collection algorithm is to PyPy's performance, but it's annoying since it really has no other major flaws.  (Startup time for the JIT aside.)

    On the other hand, I was able to shave 1.5 seconds off the load time of a web application at my day job this afternoon.  We migrated servers a couple of months ago, from aging physical servers to the cloud, and in the process replaced EOL'd CPython 2.7 with still-supported PyPy 7.2.  This one app had been slow ever since, and today I finally got time to go down that rabbit hole.


  • In the fuck this shit department:



    We have Ethereum integrations into several of our apps at my day job.  Those integrations start to have problems when the gas price is above 4, and stop working when it's above 10 unless someone manually intervenes.

    Fortunately, at a gas price of 100 nobody's Ethereum integrations are working.  It's like using Amazon or Cloudflare - if they go down, so does half the internet, so no-one blames you for it.

Disclaimer: Still using my Nexus 7 after all these years.  Not the 2012 model, though.  That died.

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Wednesday, July 22

Geek

Daily News Stuff 22 July 2020

Indigestible Edition

Tech News



Picture of the Day

https://ai.mee.nu/images/NeoSpace2.jpg?size=720x&q=95

Comet Neowise puts in an appearance over the SpaceX launch pad.


Disclaimer: Fortunately Elon Musk is not technically a prince.

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Tuesday, July 21

Geek

Daily News Stuff 21 July 2020

If You Need To Ask You Can't Have It Edition

Tech News

  • AMD launched 12 4000-series desktop APUs and 6 new 3000-series APUs and you can't buy any of them.  (AnandTech)

    All of them - 3000 and 4000, Pro and non-pro, are OEM-only.

    That sucks.

    Up to 8 cores / 16 threads, top clock speeds of 4.4GHz, and over 2 TFLOPs single-precision on the GPU side.


  • Meanwhile the 4000U range has started showing up in all-in-one desktops.  (Tom's Hardware)

    The only real flaw with my Inspiron 27 is that it needs to cool a 65W CPU and a 150W CPU.  It's never silent and can get annoying when playing games.  My iMac is silent most of the time, but when it really gets cranking it's even louder than the Dell.

    A 15W APU in a 24" or 27" monitor housing can probably just rely on passive cooling.  We've already seen that they don't go into thermal shutdown no matter how you abuse them.


  • Benchmarking every CPU.  (AnandTech)

    Well, every CPU from Intel and AMD since 2010, anyway.

    Though a project to benchmark every CPU would be far more interesting.  Find a working IAPX 432 and a Linn Rekursiv and...


  • Samsung's bad XML day.  (.clue)

    I saw this story before but didn't realise how widespread or intractably it was.  Samsung accidentally remotely bricked a huge number of their Blu-Ray players, every single one that picked up the latest update.  And you can't factory-reset them to get out of it.


Not At All Tech News

  • Says everything that needs to be said, really.



Disclaimer: In challenging a kzin, a simple scream of rage is sufficient.  You scream and you leap.

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Monday, July 20

Geek

Daily News Stuff 20 July 2020

Filed Under Nope Edition

Tech News



Not At All Tech News

Disclaimer: I mean, seriously?

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Geek

Daily News Stuff 19 July 2020

Quick Precis Edition

Tech News



Disclaimer: Second prize is two well-aimed comets.

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Saturday, July 18

Geek

Daily News Stuff 18 July 2020

Technically Not A Shadowban Edition

Tech News

  • A further look at the Twitter hack. (Krebs on Security)


  • And what Twitter themselves are saying. (Twitter)

    • Attackers were not able to view previous account passwords, as those are not stored in plain text or available through the tools used in the attack.

    I should bloody hope not.

    • Attackers were able to view personal information including email addresses and phone numbers, which are displayed to some users of our internal support tools.

    And let's pause a moment to reflect that Twitter will lock your account for the most trivial of reasons - or none at all - and force you to provide a phone number to unlock it again.

    • In cases where an account was taken over by the attacker, they may have been able to view additional information. Our forensic investigation of these activities is still ongoing.

    Safest to assume that everything on Twitter is now in the hands of the hackers.

    Speculation is swirling that the Bitcoin scam was a smokescreen to divert attention from the actual target. Twitter have confirmed that full data for certain accounts was downloaded during the hack - but that those were not verified accounts.



    Curiouser - as Alice would say - and curiouser.


  • Cloudflare fell over. (Cloudflare)

    Well, sort of.
    The affected locations were San Jose, Dallas, Seattle, Los Angeles, Chicago, Washington, DC, Richmond, Newark, Atlanta, London, Amsterdam, Frankfurt, Paris, Stockholm, Moscow, St. Petersburg, São Paulo, Curitiba, and Porto Alegre. Other locations continued to operate normally.
    That sounds like a lot of locations but Cloudflare has a lot of locations.

  • The event sounds like a replay of the Northeast blackout of 1965. An issue with one network link caused traffic to be re-routed, which overloaded that link causing the combined traffic to be re-routed, and so on until large parts of the core network collapsed.

    The major difference being that it took less than two hours to fix everything.

    The other side of this is that a lot of sites use resources - JavaScript, CSS, fonts - from CDNs that are actually provided via Cloudflare.  So it doesn't really matter if you host your own site unless you host everything yourself.

    And by everything I mean everything.  Hetzner (a major German hosting company) uses Cloudflare's DNS, so the failure cascaded to them as well.


  • Among the sites affected were GitLab, Patreon, Authy, Downdetector, and BleepingComputer.  (BleepingComputer)

    I use some of those.




  • Apple Watch is apparently your mother.  (9to5Mac)


  • The Asus PN50 contains the Ryzen 7 4800U, making it by far the most powerful NUC available unless...  No, pretty sure this one is real.  (WCCFTech)

    That's the full 8-core/16-thread version.  It's about 30% faster single-threaded and 20% faster multi-threaded than my current Ryzen 7 1700.

    The PN50 has HDMI, Ethernet, three USB-A ports (5Gbit), two USB-C ports (10Gbit) with DisplayPort support, dual built-in microphones, an IR receiver, WiFi 6, a headphone jack and a microSD slot.  Room inside for two SO-DIMMs, an M.2 SSD and a 2.5" disk drive, and a tiny option slot that supports a choice of VGA, serial, a full-size DisplayPort, or a second Ethernet port.

    4.5x4.5x2".


  • You're not shadowbanned.  It's just a coincidence that every single search and activity listing on our site accidentally excludes your content.



    Also please ignore the leaked screenshots showing the huge SHADOWBAN button on our internal management software.  That's simply a spelling error.


  • Smalltalk has been ported to the Raspberry Pi.  (GitHub)

    By which I don't mean that the Smalltalk language is running on Linux which in turn runs on the Raspberry Pi, because that was already available.

    Smalltalk 80 was effectively a complete operating system, and that is now running directly on the Raspberry Pi, with nothing between you and the bare metal.


  • Oh, and one other thing: Fuck this shit.



    A significant percentage of my day job involves integrations with Ethereum. Ethereum is hopelessly broken right now, and has been for weeks, with no end in sight.  Basically any time that chart goes above, say, 4, Ethereum-based apps run into problems.  At 40 they're deader than a doornail.

    Centralised solutions suffer from single points of failure, but distributed solutions suffer from infinitely many points of failure.


Not At All Tech News

  • Andrew Cuomo killed so many people that he's lost Vox.




Video of the Day

Scaling Doom to 896 cores - the hard way.




Disclaimer: Do or do not, I don't give a damn.

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Friday, July 17

Geek

Daily News Stuff 17 July 2020

Big Bada Splat Edition

Tech News

  • The 2020 Dell XPS 13 is not entirely awful.  (AnandTech)

    The 3840x2400 screen is particularly nice.  But it has neither the four essential keys nor an AMD CPU, so I'm not interested.


  • So that's a yes?  (Tech Crunch)

    An interesting statement from Twitter:



    So first of all, user accounts weren't hacked.  Twitter itself was hacked - with inside help.  (Vice)

    Secondly....  Why does this need to be said?  It should be impossible for passwords to be accessed.

    Thirdly, this event makes those MariaDB temporal tables even more intriguing.  Even if the application goes horribly wrong, the database will continue right on logging every change for you.


  • I have a perpetual professional license for FontAwesome 5.0.

    They just announced 6.0.

    Doh!

    Well, $49 per year is not terrible.


  • Edge 84 is out.  (Thurrott.com)

    And so is Thunderbird 78.  (Thunderbird.net)

    Is there any point to version numbers any more?


  • Patreon probably shouldn't oughta have done that.



    After being sued by a bunch of patrons of an account they suspended (and by suspended I mean killed deader than a doornail), Patreon changed their terms of services, and then countersued under the new terms of service claiming that they applied at the time of the original suit.

    Which they weren't.


  • Apparently the difference between Window Blinds and Curtains is that Window Blinds works across multiple versions of Windows but is hacky and sometimes does weird stuff, where Curtains is Windows 10 only but is a much cleaner implementation because of that.  They both do the same thing, essentially - make Windows look like something else.

    Probably best not to run both at the same time.


  • I figured out what Microsoft are doing with the RAM in the Xbox Series X.  

    It has a 320-bit memory bus - so 10 32-bit chips or 5 64-bit chips - but 16GB of total RAM.  10GB is for video and is 320 bits wide and 6 GB is for the OS and applications and is 192 bits wide.

    I originally thought they had two banks of RAM, which I didn't know was possible with GDDR6.  But no, they have one bank, it's just that 6 of the chips are 2GB and are used for both graphics and applications, and the other 4 are 1GB and are used for graphics only.

    It would have been simpler to just have 20GB of RAM; this is purely a cost-saving move.


Anime Opening Theme of the Day




Disclaimer: What song does that sound exactly like, other than itself?

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Thursday, July 16

Geek

Daily News Stuff 16 July 2020

Cowduck Edition

Tech News

  • 1TBVPS.com actually also sells 2TB VPSes.  (1TBVPS.com)

    They don't both to draw attention to the fact though.


  • So, yeah, Twitter had a bad day.  (Ars Technica)

    It appears that the hackers either had inside help or Twitter are even more incompetent than you'd expect, because they had access to Twitter's internal account admin systems.

    Screenshots of those admin systems have been floating about on Twitter and elsewhere.  Which screenshots, people are noting, show the shadowban status of accounts.

    Wich @Jack swore before Congress that Twitter doesn't do.


  • Lenovo has announced more AMD systems, both laptops and desktops.  (Tom's Hardware)

    They look reasonable except for some of the configuration restrictions.  Why on Earth would you only offer up to 2TB disk drives?  They do that in the P620 workstation too - most powerful CPU in existence, maximum drive size only 4TB.


  • What's coming with Zen 3:

    10-15% better IPC, 5% better clock speeds, 8 cores per cluster, and...  DDR5?  Maybe.



    It will be launching this year, that much has been announced publicly.


Disclaimer: If we survive that long.

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Rant

Daily IP Blocking Stuff

Blog: Is very slow.
Me: Bans half a million IPs belonging to Tencent.
Blog: Yay!

Meanwhile, over at the idiot farm:

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