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eigenrobot

@eigenrobot

robot. friend.

eigenrobot.substack.com
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    1. eigenrobot‏ @eigenrobot 28 Dec 2017

      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 . . .

      2 replies 1 retweet 16 likes
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    2. eigenrobot‏ @eigenrobot 28 Dec 2017

      . . . 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.

      1 reply 0 retweets 12 likes
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    3. eigenrobot‏ @eigenrobot 28 Dec 2017

      Came home, house was 71F. Mission accomplished. Unfortunately, also dug around downstairs and saw thispic.twitter.com/ml3Wl4g8Av

      2 replies 1 retweet 23 likes
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    4. eigenrobot‏ @eigenrobot 28 Dec 2017

      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

      2 replies 2 retweets 21 likes
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    5. eigenrobot‏ @eigenrobot 28 Dec 2017

      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.

      2 replies 1 retweet 12 likes
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    6. eigenrobot‏ @eigenrobot 28 Dec 2017

      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.

      2 replies 0 retweets 14 likes
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    7. eigenrobot‏ @eigenrobot 28 Dec 2017

      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.

      1 reply 3 retweets 26 likes
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    8. eigenrobot‏ @eigenrobot 28 Dec 2017

      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.

      2 replies 0 retweets 12 likes
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    9. eigenrobot‏ @eigenrobot 29 Dec 2017

      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

      3 replies 0 retweets 17 likes
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    10. eigenrobot‏ @eigenrobot 29 Dec 2017

      Capital deliverypic.twitter.com/nLMXGH7NFu

      1 reply 0 retweets 18 likes
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      eigenrobot‏ @eigenrobot 30 Dec 2017

      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

      1:29 AM - 30 Dec 2017
      • 7 Retweets
      • 43 Likes
      • coscorrodrift Paul Godfrey zywiec Ducky Timber of Frame american biologist a roar in the night Echo has returned... Raccoon Twink (female)
      3 replies 7 retweets 43 likes
        1. New conversation
        2. eigenrobot‏ @eigenrobot 2 Jan 2018

          25cm 16x to 16x riser arrived today. Workstation final form 😎pic.twitter.com/j2Axf5uavW

          2 replies 2 retweets 30 likes
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        3. eigenrobot‏ @eigenrobot 2 Jan 2018

          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

          1 reply 3 retweets 46 likes
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        4. eigenrobot‏ @eigenrobot 3 Jan 2018

          wowza. newegg just put up some new 1080ti ftw3 on sale for $800, and they sold out in <20m

          4 replies 0 retweets 25 likes
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        5. eigenrobot‏ @eigenrobot 3 Jan 2018

          Good news, everyone! My (single) breaker tripped today during lunch and won't reset Landlord: "Do computers use a lot of power?" oh boy

          2 replies 9 retweets 89 likes
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        6. eigenrobot‏ @eigenrobot 3 Jan 2018

          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

          1 reply 4 retweets 46 likes
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        7. eigenrobot‏ @eigenrobot 3 Jan 2018

          Welp There goes my foyer ceiling for the third time in eight months

          1 reply 2 retweets 49 likes
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        8. eigenrobot‏ @eigenrobot 3 Jan 2018

          My ceiling is now on fire

          13 replies 40 retweets 197 likes
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        9. eigenrobot‏ @eigenrobot 3 Jan 2018

          It might be contained unsurepic.twitter.com/RdpLWvdI08

          5 replies 3 retweets 81 likes
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        10. eigenrobot‏ @eigenrobot 3 Jan 2018

          Can't wait for the electrician to arrivepic.twitter.com/TWJ6B3AN9O

          10 replies 8 retweets 76 likes
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        11. eigenrobot‏ @eigenrobot 3 Jan 2018

          Landlord: do you actually want to try that? Electrician: fuck yeah, we're just having fun, right?

          2 replies 2 retweets 80 likes
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        12. eigenrobot‏ @eigenrobot 3 Jan 2018

          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

          5 replies 1 retweet 76 likes
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        13. eigenrobot‏ @eigenrobot 3 Jan 2018

          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

          1 reply 0 retweets 33 likes
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        14. eigenrobot‏ @eigenrobot 3 Jan 2018

          a poem, for no particular reasonhttps://genius.com/Shel-silverstein-peanut-butter-sandwich-annotated …

          3 replies 3 retweets 33 likes
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        15. eigenrobot‏ @eigenrobot 3 Jan 2018

          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

          1 reply 0 retweets 17 likes
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        16. eigenrobot‏ @eigenrobot 3 Jan 2018

          hm sure hope that insulation wasn't asbestos

          3 replies 1 retweet 32 likes
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        17. eigenrobot‏ @eigenrobot 3 Jan 2018

          Quick check reveals probably not vermiculite Also it was burning which seems like a contraindication

          2 replies 0 retweets 37 likes
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        18. eigenrobot‏ @eigenrobot 4 Jan 2018

          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

          5 replies 1 retweet 48 likes
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        19. eigenrobot‏ @eigenrobot 4 Jan 2018

          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

          1 reply 0 retweets 17 likes
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        20. eigenrobot‏ @eigenrobot 4 Jan 2018

          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.

          1 reply 0 retweets 14 likes
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        21. eigenrobot‏ @eigenrobot 4 Jan 2018

          Early findings: (i) i7-5820k @ 3.8GHz draws only an extra 30W when full-tilt running CryptoNight (350H/s), that's awesome (ii) running a 1080TI FTW3 @ 100% pulls an extra 269W, about spec. Every 10% reduction in power target reduces draw by about 30W. Will test performace drop.

          1 reply 0 retweets 12 likes
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        22. eigenrobot‏ @eigenrobot 4 Jan 2018

          Fascinating. 1080TIs seem to see 1:1 gains in hash rates as power increases until about 80% TDP, when the return drops off dramatically 1080s drop off dramatically at . . . 65% TDP? Less? Interesting implications for power use optimization anyway

          1 reply 0 retweets 11 likes
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        23. eigenrobot‏ @eigenrobot 5 Jan 2018

          Ok. Final tally, for 4x1080TI @ 80%, 3 x 1080 @ 70%, 35 CPU cores >= 3GHz is . . . 1779 Watts Comfortably under my 1920W continuous limit although a bit dull numerologically main remaining concern is the fridge. rated 6.5A full-load, which would be (eep) 780W, insta-game over

          1 reply 1 retweet 14 likes
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        24. eigenrobot‏ @eigenrobot 5 Jan 2018

          GOTCHA 160W, pathetic. Can't believe I was worried about that damn food hole Modem (<7W) + router (<8W) basically negligible, as is Penny's Litter Robot (<4W rotating). Monitor + speakers + usb dock are 70W together tho, gotta watch that

          1 reply 1 retweet 13 likes
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        25. eigenrobot‏ @eigenrobot 5 Jan 2018

          Okay, off to catch up @ work but I think I'm set. Last task: replace one more 1080 on top of my workstation after a guy comes in to finish fixing the ceiling tomorrow Overall have say, the fire what burned through my ceiling was a small, basically-insignificant bump in the road

          3 replies 0 retweets 15 likes
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        26. eigenrobot‏ @eigenrobot 6 Jan 2018

          reading about the tax implications of mining motherfucker

          1 reply 1 retweet 30 likes
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        27. eigenrobot‏ @eigenrobot 6 Jan 2018

          I wish the government would just fucking rob me directly instead of forcing me to keep meticulous records of the size and associated fees and contemporaneous USD value of BTC for every fucking daily payout

          3 replies 1 retweet 45 likes
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        28. eigenrobot‏ @eigenrobot 6 Jan 2018

          Hmm. Evaluating "include the fair market value of the virtual currency, measured in U.S. dollars, as of the date that the virtual currency was received." Wonder if I can defend use of the daily low price.

          1 reply 0 retweets 20 likes
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        29. eigenrobot‏ @eigenrobot 10 Jan 2018

          Do I need to pay self-employment taxes if I already max out SS/Medicare tax at my day job? Does wiferobot's rental duplex fuck things up further? What about quarterly estimated taxes? Join me as I investigate these and other exciting issues and slip deeper into anarchocapitalism

          4 replies 0 retweets 38 likes
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        30. eigenrobot‏ @eigenrobot 17 Jan 2018

          My apartment is toasty, and I'm still miles above my shutdown threshold. Even so, o u c h. Waking up every morning and computing my past day's net take has been unpleasant. Love to everyone out there taking a more direct beating.

          3 replies 0 retweets 20 likes
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        31. eigenrobot‏ @eigenrobot 12 Feb 2018

          hahahaha frig just got my first post-launch electrical bill APPARENTLY seattle city light has a tiered billing scheme, after a certain point they start charging nearly double the base rate for power (~$0.13/kWh vs $0.07) still way in the black, but . . . gurk

          5 replies 0 retweets 24 likes
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        32. Show replies

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