pulled the trigger and picked up 2x1080 and 1x1080TI my server board can handle 3x double slot cards but might get a bit tight with 3x1080TI, so going to relocate the 1080 in my casual box to the server and stick the 1080TI in that machine should still be Plenty
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Okay. Pulling in about $8/day in XMR with CPUs, $17.50 in BTC from
@NiceHashMining with 3x1080 and 1x1080ti. The 1080ti hashrate is double any one 1080 (!!!). Stacking 3 gpus in my workstation is getting a little toasty (85c even with a box fan), SO . . .Show this thread -
. . . in the interest of learning and also because I realized the case (Mercury S8) can be converted to a GPU rack with a little modification, I'm going to grab some risers and see if I can extend my GPU working life by spacing them out. Pics to follow when set up.
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Came home, house was 71F. Mission accomplished. Unfortunately, also dug around downstairs and saw thispic.twitter.com/ml3Wl4g8Av
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So: two circuits serving the apartment, one for hardwired lights, one for everything else. Hmmm. Guess I could take down a chandelier and rewire it to an outlet. Or just make use of an existing set of wires from the ceilingpic.twitter.com/4SFDA5dHk6
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Before I do that, though, going to flip the breaker and see what still works outlet-wise. My guess is nothing but gotta be sure.
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Interesting. Flipping the switch disables lights *and* outlets. Possibilities: 1. Single circuit, 20A 2. One breaker switch controls two 10A circuits First possibility would be the most convenient. Unsure how to test. Need to read up on breaker notation next I think.
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Helpful mutuals assure me (1) it's a single fixed 20A circuit and (2) fucking with the circuit breaker will result in literal face melting, so spent the evening playing with GPU optimization. Heat actually a major bottleneck when 3 GPUs arrayed with no space, surprising no one.
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So, working around this. Earlier plan for 16x -> 1x risers for my case won't work since *all* the slots in my board are x8/x16 form factor. Instead, repurposing my pseudo-NAS box to hold one 1080, and going to kludge a different solution with a ribbon riser in my workstation.
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Rearranged things a bit more, jammed one of my 1080s into the mATX rig I was using as NAS. Probably consumes ~300W full tilt, which is more than my refrigerator. Wiferobot is going to want to store perishables, so I'm renting space for it in my DM's house at $25/mo + electricity
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Semi-final setup. Consumer rig, workstation, converted NAS. Calibrating now. Worried about toasting my 20A circuit and also about heat dissipation and finally about long-term fan noise irritating my cat, so workstation cards likely to be throttled Bonus: catpic.twitter.com/w7b8KE2Rxi
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25cm 16x to 16x riser arrived today. Workstation final form
pic.twitter.com/j2Axf5uavW
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realized I could jam another card in my consumer rig, prices have increased about 40% since I bought a couple weeks ago maybe the real play is day trading 1080s, fellas
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wowza. newegg just put up some new 1080ti ftw3 on sale for $800, and they sold out in <20m
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Good news, everyone! My (single) breaker tripped today during lunch and won't reset Landlord: "Do computers use a lot of power?" oh boy
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Now digging around my apartment with my landlord trying to track down (i) the source of the electrical short in my unit and (ii) the source of a strange smell something like Trail's End popcorn Hoping they are not the same thing
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Welp There goes my foyer ceiling for the third time in eight months
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Landlord: do you actually want to try that? Electrician: fuck yeah, we're just having fun, right?
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Ok SO Apparently, issue was a shorted jank-ass wire off the main circuit, probably installed 50y ago. Supplied power to outlets on a post near my breakfast bar. The outlets had 3 prongs but were not actually grounded This was the spot I had all my boxes plugged in, ofc
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Going to be a little more deliberate about electricity use going forward. Having one of these things delivered tomorrow for GPU power calibration, til then going to leave the workstation off https://www.amazon.com/gp/product/B00009MDBU/ … Also so my landlord doesn't see a box with a GPU running on top
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a poem, for no particular reasonhttps://genius.com/Shel-silverstein-peanut-butter-sandwich-annotated …
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bit of quick computation 20A maximum instantaneous load is 2400W; maximum continuous load, 1920W turns out a continuous load runs >= *3 hours* this is actually great news for me, refrigerator turns on only intermittently and probably draws substantially less than 480W
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Quick check reveals probably not vermiculite Also it was burning which seems like a contraindication
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Apartment rewired today, still stuck on 20A. Landlord bought me a bottle of cheap whiskey for my troubles, though he also helped himself to a few shots of my tequilapic.twitter.com/Jkie2OgBqC
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Got my Watt meter, going to do some testing. Also installed a 1080 on a Rosewill 1x riser. Mobo recognizes the card, but not showing up in Windows . . . going to try driver reinstallation. Rig pulls about 120W mostly idle, incidentallypic.twitter.com/Z2dwHAhnPI
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That did it! Ordering some Thai while it benches for nicehash. Then, onto power testing. Goal will probably be to maximize power use by cards, conditional on total power use <= M M tbd, will mostly be a function of observed refrigerator and monitor draw.
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