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Kernel: Introduce Multikernel Architecture Support (lwn.net)

203 points by ahlCVA 2 days ago | flag | hide | past | favorite | 54 comments

https://news.ycombinator.com/item?id=45302721


> 768KB I & D cache per core

PA-RISC has mostly always had large L1 caches ( that used to be off-chip), and usually no L2 cache.

I know this bit of trivia, but I don't know the technical reasons/trade-offs for it.


> The Onyx2 looks like a dorm fridge that also makes espresso.

It was the Indigo that made espresso. :)

https://commons.wikimedia.org/wiki/Category:SGI_Espressigo

https://www.reddit.com/r/SiliconGraphics/comments/1eh9puu/sg...


Not bad. First time I see this but no surprise, as the SGI case design is much more suitable as an Espresso machine. Now you only need the aptly named SGI Fuel juice maker and a Luigi-themed N64 toaster for the ultimate IMPACT breakfast. :p

Canada still has the Foreign Enlistment Act[0].

"Any person who, being a Canadian national, within or outside Canada, voluntarily accepts or agrees to accept any commission or engagement in the armed forces of any foreign state at war with any friendly foreign state or, whether a Canadian national or not, within Canada, induces any other person to accept or agree to accept any commission or engagement in any such armed forces is guilty of an offence."[0]

There are questions on whether it applies (from 2022):

"Gordon Campbell, a military and criminal lawyer at Aubry Campbell MacLean, told CTVNews.ca that the Foreign Enlistment Act only applies to Canadians who formally enlist with a foreign military, and is not convinced it applies at all in this situation. He says it is not clear whether Russia is considered “friendly” or not to Canada in this situation, in the legal sense.

“I know others have speculated that Russia might not fall into that category,” he said in a phone interview. “I certainly would not be that certain on the point… We're not at war with Russia, but the word ‘friendly,’ is never defined in the act, so who knows.”

Campbell said those volunteering in Ukraine have to understand that they could be charged in Canada under Canada’s Criminal Code or under the Ukrainian legal system, depending on the circumstances.

“If you're a Canadian and you've travelled abroad and you engage in certain acts, then you can -- in theory -- be prosecuted inside Canada for those acts,” he said.

“Just because you're in the middle of a conflict doesn't exempt you from Canada's criminal laws.”[1]

[0] https://laws-lois.justice.gc.ca/eng/acts/F-28/FullText.html

[1] https://www.ctvnews.ca/canada/article/legal-questions-abound...


Bitsavers has an interesting paper on PA-RISC 2.0 (the jump to 64 bits). It's got a high-level introduction, and then all the actual details.

https://bitsavers.org/pdf/hp/pa-risc/PA_RISC_2.0_Architectur... (2MB file)


Nitpick: The AS/400 in 1988 didn't use the PowerPC. I believe it had it's own proprietary memory with tag bits included.

The first RS-64 with the PowerPC AS extensions came out in 1995.


You're right. That's a good point.

I remember buying a Sound Blaster Pro. I remember being amazed by the talking parrot, and DR. SBAITSO - That's Sound Blaster Acting Intelligent Text-To-Speech Operator. It also had the proprietary Panasonic CD-ROM connector.

I remember when my dad either got or bought a used sound blaster from a fellow PC enthusiast, I vaguely recall it came with stuff like a speech synthesizer and the like. Spent much time listening to MOD music (and their pretty interfaces full of buttons and graphics)

Dr Sbaitso is etched into my brain! "My name is Doctor Sbaitso. I am here to help you" haha

Say whatever is in your mind freely.

The US Secretary of Agriculture suggested Medicaid recipients and automation. I doubt that'll work.

https://www.theguardian.com/us-news/2025/jul/09/trump-agricu...


Don't forget RFK wanting to round up addicts for 'wellness farms'.


> I just finished reading "Fortress Rochester" by Frank Soltis, the designer behind the IBM System38/OS400/iSeries sw.

There's a copy of the previous version, Inside the AS/400, also by Frank Soltis on archive.org

https://archive.org/details/insideas4000000solt/


Go to about:config and set

browser.ml.chat.enabled to false

There are a a bunch of other browser.ml settings, but I don't know what they do.

Also, there was a local AI model downloaded somewhere in the extensions settings that can be removed.


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