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by kramlq
Wed Aug 03, 2016 4:27 am
Forum: SGI: Hardware
Topic: A few questions about SGI hardware
Replies: 11
Views: 725

Re: A few questions about SGI hardware

Secondly, a 32 general register file means that stack frames during things like exception/interrupt handlers (and to a certain extent context switches) are larger, While this is totally true for context switches, it shouldn't be nearly as much of an issue for interrupt handlers - context switches h...
by kramlq
Tue Aug 02, 2016 12:25 pm
Forum: SGI: Hardware
Topic: A few questions about SGI hardware
Replies: 11
Views: 725

Re: A few questions about SGI hardware

That can make a difference in real world performance and overall speed/responsiveness. How about large register file (32 (64 bit) GPR vs. 8 (32 bit) GPR)? If I remember correctly it also give good impulse to overall speed. I've never really viewed it as a straight advantage for RISCs over X86. Firs...
by kramlq
Tue Aug 02, 2016 12:08 pm
Forum: SGI: Hardware
Topic: A few questions about SGI hardware
Replies: 11
Views: 725

Re: A few questions about SGI hardware

: [double post] :
by kramlq
Tue Aug 02, 2016 5:26 am
Forum: SGI: Hardware
Topic: Getting an Onyx2 - what to do with it
Replies: 22
Views: 855

Re: Getting an Onyx2 - what to do with it

Welcome. A seriously impressive hardware collection you've got there.

Are you the same Camiel that wrote the Alpha emulator a few years back?
by kramlq
Tue Aug 02, 2016 5:17 am
Forum: SGI: Hardware
Topic: A few questions about SGI hardware
Replies: 11
Views: 725

Re: A few questions about SGI hardware

In addition to the points Trippynet made, the Octane CPU probably had 1Mb-2Mb L2 cache, whereas the Pentium Pro had 256Kb/512Kb or possibly the rarer 1Mb L2 cache. The MIPS also had features like a directly manageable TLB entries, address space identifiers, virtual cache indexing, free format TLB mi...
by kramlq
Fri Jul 01, 2016 11:41 am
Forum: Everything Else
Topic: hard mathematical problem in computer science
Replies: 5
Views: 450

Re: hard mathematical problem in computer science

@ivelegacy, I use read-zero. :-) Man, this makes NO else anymore. I didn't even start this thread! I read your "first" post twice trying to make sense of what exactly you were getting at, until I saw from follow ups that I was obviously missing a now-deleted piece of the puzzle :roll: It ...
by kramlq
Fri Jun 03, 2016 4:48 am
Forum: Everything Else
Topic: Polling Card arrived today.. EU Referendum
Replies: 73
Views: 3910

Re: Polling Card arrived today.. EU Referendum

kramlq, what you've described is another example of what I meant about Britain leaving only being viable if reforms were undertaken in various economic, education and other systems. In theory Britain should and could operate just fine (with all the economic plus/minus issues dominating discourse, n...
by kramlq
Wed Jun 01, 2016 12:31 pm
Forum: Everything Else
Topic: Polling Card arrived today.. EU Referendum
Replies: 73
Views: 3910

Re: Polling Card arrived today.. EU Referendum

: Nope, that's just FUD. The UK is a huge export market for Europe, especially car makers. The idea that the EU as a whole would overnight just ignore the UK as an export market is not plausible ; Germany alone would scream loudly that such a situation would be intolerable (German car exports to th...
by kramlq
Wed Jun 01, 2016 3:19 am
Forum: Everything Else
Topic: Polling Card arrived today.. EU Referendum
Replies: 73
Views: 3910

Re: Polling Card arrived today.. EU Referendum

I don't actually see a large population of our country shooting off to live, work or study in Europe, yet we see the opposite wanting into Britain. So free travel is great, but the vast majority of British people just want to go on holiday which they have been doing on package holidays for the past...
by kramlq
Wed May 25, 2016 2:31 am
Forum: SGI: Discussion
Topic: TechPubs lives again!
Replies: 23
Views: 1729

Re: TechPubs lives again!

Amazing work, thanks!
And I quite like the website layout - its straightforward and fast - no waiting 10 seconds for a database query every time a link is clicked.
by kramlq
Mon May 23, 2016 12:03 pm
Forum: Hardware For Sale/Trade
Topic: [eBay] Integraph InterServe 200
Replies: 2
Views: 480

[eBay] Integraph InterServe 200

Its not an SGI, its not my auction, and I've nothing to do with the seller.... On eBay DE, there is what appears to be a Clipper based system for auction, with worldwide shipping. Fairly obscure and rare, and even if it didn't work, its probably of value to someone for spare parts. http://www.ebay.d...
by kramlq
Wed May 18, 2016 2:40 am
Forum: Sun
Topic: How to remove CPU in sparcstation5?
Replies: 19
Views: 1270

Re: How to remove CPU in sparcstation5?

@japes thanks, that obsolyte.com site does seem to have some decent info on the topic. Perhaps it is possible so. That says they run at up to 165MHz, not 160Mhz as given elsewhere. I can't say that bug would really put me off a TurboSPARC upgrade. Unless it will be a multiuser box or exposed to the ...
by kramlq
Mon May 16, 2016 11:52 am
Forum: Sun
Topic: How to remove CPU in sparcstation5?
Replies: 19
Views: 1270

Re: How to remove CPU in sparcstation5?

Nice to see some SPARCstation 5 fans! Does a CPU-only microSPARC II upgrade on a socketed SPARCstation 5 system actually work (e.g. 70->85MHz, 70->110MHz, or 85->110MHz)? I've a socketed SS5 70MHz, and was on the lookout for an 85 or 110MHz chip to upgrade it (the TurboSPARC upgrades seem impossible...
by kramlq
Mon May 09, 2016 7:19 am
Forum: SGI: Discussion
Topic: What happened to all the old Origin 200s?
Replies: 14
Views: 1248

Re: What happened to all the old Origin 200s?

I have about 6 O200 still collecting dust in my system cabinet at work. One is still running, a dual R12K/270MHz, the others are turned off and are in various state of cosmetic condition: i have about three intact doors. One does not exit POD due to a faulty dimm, the others should all be working. ...
by kramlq
Tue Apr 26, 2016 1:00 pm
Forum: HP/DEC/Compaq
Topic: How easy is it to get HP-UX going for hobby purposes?
Replies: 18
Views: 1462

Re: How easy is it to get HP-UX going for hobby purposes?

HP 712/100 is a nice machine. Low power, quiet, small size and good OS options. It runs HP-UX 10.20 and 11.00 pretty well, and 11i v1 explicitly included it as a supported system until the December 2004 release (perhaps later versions still work but are untested). Even so, 11i v1 is probably going t...

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