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| * lkcl panicking slightly, i've been asked to do a last-minute presentation on Power ISA simulators, eek, eek | 11:47 | |
| programmerjake | well, you have the source, who needs slides? :) hope it goes well | 11:51 |
|---|---|---|
| programmerjake | how last minute? like 3hr or 2d? | 11:53 |
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| lkcl | 20 hours | 12:49 |
| lkcl | nggh :) | 12:49 |
| lkcl | i've created this https://libre-soc.org/openpower/simulators/ | 12:49 |
| lkcl | because although the original slot was to be about gem5, i can't possibly do 1 hr on gem5 | 12:49 |
| lkcl | instead what i said i'd do is a comparison of the various different power isa simulators | 12:49 |
| lkcl | and hopefully in the process attract people/interest to ISACaller and the cavatools port | 12:50 |
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| lkcl | damn screwed up the audio, having to filter/process it (ffmpeg-normalize) | 16:16 |
| lkcl | mic moved away | 16:16 |
| lkcl | markos, hiya - you on for tonight? | 20:15 |
| lkcl | i had an idea of perhaps going over utf-8 validation to see if it can be done ridiculously-fast with svp64 | 20:16 |
| lkcl | and if not, why not :) | 20:16 |
| programmerjake | it totally can be done quickly, though using a subtraction chain is likely quite slow due to the serial dependency. for my idea each element is generally independent of preceding or succeeding elements. | 20:27 |
| programmerjake | imho discussing it during the meeting may not be the best time, since I can't type at any decent rate since jitsi doesn't work correctly in landscape mode and my on-screen keyboard is too narrow in portrait mode. | 20:29 |
| lkcl | with some register-copying, repeated subtracts, and a moving (shifted) mask the subtract-chain is avoided | 20:30 |
| lkcl | markos is busy all other times so there may not be any other opportunity to get any input from him at all | 20:30 |
| programmerjake | asynchronously through email? | 20:31 |
| octavius | programmerjake, can you not connect to jitsi from a laptop/desktop? | 20:32 |
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| programmerjake | i could try... | 20:33 |
| octavius | the web app works pretty well (that's how I've been connecting) | 20:34 |
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| markos | lkcl, sure | 21:26 |
| markos | it's in 30 min right? | 21:26 |
| programmerjake | yes | 21:27 |
| markos | yes, definitely, I thought you wanted to reschedule | 21:27 |
| programmerjake | imho lkcl meant he couldn't talk for 3hr because he has stuff he has to do early tomorrow... | 21:30 |
| programmerjake | i'm fine, i'll just use my desktop | 21:30 |
| sadoon[m] | 20-core talos up and running! | 21:32 |
| programmerjake | yay! | 21:33 |
| sadoon[m] | But alas it's bedtime, I let it build the latest 5.10 LTS in 12 minutes, quite impressive given that it's running in dual channel atm | 21:33 |
| sadoon[m] | My new RAM is arriving soon, 128 glorious gigabytes to replace the ones I put in my intel rig | 21:35 |
| sadoon[m] | Hopefully I can get buildd and stuff running soon | 21:35 |
| markos | sadoon[m], ooc, I've read that the high core P9s need special indium plates instead of thermal paste, is that true? | 21:36 |
| sadoon[m] | I have an extra 8-core sforza chip now if anyone wants to get it for cheap(er) | 21:36 |
| sadoon[m] | I have no use for it | 21:36 |
| sadoon[m] | markos: Apparently you don't put any thermal paste, it "just works" | 21:36 |
| sadoon[m] | I'm not sure what they're using exactly but my temps do not cross 65c and the fans don't seem to spin at all | 21:36 |
| sadoon[m] | Which is weird because my fan was extremely noisy with the 8-core and they both run at 3.8ghz full throttle | 21:37 |
| markos | oh | 21:38 |
| markos | this is weird | 21:38 |
| markos | I know the chips are extremely flat to dissipate heat faster, but I was told -when I was thinking of ordering myself- that I would have to also get special indium plates | 21:40 |
| sadoon[m] | Could be that I didn't mount it right first time? | 21:40 |
| markos | no idea | 21:40 |
| sadoon[m] | markos: Oh no, if that's the case that's probably on the IHS | 21:40 |
| markos | IHS? | 21:40 |
| sadoon[m] | Because the heatsink is pure copper on the bottom | 21:40 |
| markos | ok | 21:41 |
| sadoon[m] | Integrated heat spreader (i think) | 21:42 |
| markos | right | 21:43 |
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