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Save The Planet

Scheduled Pinned Locked Moved Microblog Memes
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  • C [email protected]

    AC systems are heat pumps so I'm not sure what you mean there.

    sabrew4k3@lazysoci.alS This user is from outside of this forum
    sabrew4k3@lazysoci.alS This user is from outside of this forum
    [email protected]
    wrote on last edited by
    #34

    https://lazysoci.al/comment/16895972

    1 Reply Last reply
    0
    • T [email protected]

      we had three tiddied aliens in total recall, like 40 years ago. we don't need AI to give us more tits.

      joelfromaus@aussie.zoneJ This user is from outside of this forum
      joelfromaus@aussie.zoneJ This user is from outside of this forum
      [email protected]
      wrote on last edited by
      #35

      we don't need … more tits.

      Blasphemy!!

      1 Reply Last reply
      9
      • R [email protected]

        I don't think it follows that the people asking you to reduce your AC usage are also the same people able to control AI power consumption.

        We have got a stop treating our institutions as monoliths so we can effectively interact with the individual pieces that construct them. If you go into a place of power ready to heap all your gripes with the system on the single person who's only job is to allow you to interface with that system, you're not going to make headway.

        A This user is from outside of this forum
        A This user is from outside of this forum
        [email protected]
        wrote on last edited by
        #36

        Energy providers should install smart meters that shut off the power to AI server farms instead of residential air conditioners during peak loads.

        grrgyle@slrpnk.netG 1 Reply Last reply
        4
        • M [email protected]

          Generating an image of a girl with 5 tits takes like 400W running for a minute. Yet another post showing people who have no idea how AI works, why it uses electrical power and how much power it uses.

          sabrew4k3@lazysoci.alS This user is from outside of this forum
          sabrew4k3@lazysoci.alS This user is from outside of this forum
          [email protected]
          wrote on last edited by
          #37

          It's a meme.

          M 1 Reply Last reply
          3
          • sabrew4k3@lazysoci.alS [email protected]

            In my attempt at brevity, I articulated myself wrong, totally my bad. I would like the old school systems replaced with either air source heat pumps or ground source heat pumps, backed up with on-site solar and batteries. Modern heat pump systems can heat and cool and are much more efficient than AC as generally installed.

            I This user is from outside of this forum
            I This user is from outside of this forum
            [email protected]
            wrote on last edited by
            #38

            The efficiency gains from an air source heat pumps are on the heating cycle, not the cooling cycle, since you are moving heat around instead of having to generate heat via combustion or big heating elements. When acting as an air conditioner, the efficiency is the same.

            sabrew4k3@lazysoci.alS 1 Reply Last reply
            3
            • M [email protected]

              Generating an image of a girl with 5 tits takes like 400W running for a minute. Yet another post showing people who have no idea how AI works, why it uses electrical power and how much power it uses.

              T This user is from outside of this forum
              T This user is from outside of this forum
              [email protected]
              wrote on last edited by
              #39

              The core of the post, regardless of the "like 400W running for a minute" is "why the fuck do I have to suffer in 80°+ inside heat while AI companies don't have to reduce any sort of electrical intake during the heatwave"

              If I had to pick between having AC or AI, I'm picking AC every time. Fuck would I even do with AI while im burning up at 104°

              "ChatGPT tell me how to prevent heat stroke"
              "Dinosaurs used to eat rocks. Have you tried eating a rock?"

              M 1 Reply Last reply
              7
              • sabrew4k3@lazysoci.alS [email protected]

                In my attempt at brevity, I articulated myself wrong, totally my bad. I would like the old school systems replaced with either air source heat pumps or ground source heat pumps, backed up with on-site solar and batteries. Modern heat pump systems can heat and cool and are much more efficient than AC as generally installed.

                gray@pawb.socialG This user is from outside of this forum
                gray@pawb.socialG This user is from outside of this forum
                [email protected]
                wrote on last edited by [email protected]
                #40

                An AC is an “air heat pump”. The only difference between an AC and what we call a “heat pump” is a reversing valve, which can send refrigerant the other way to heat the interior instead of cooling it.

                They’re literally the same thing.

                C sabrew4k3@lazysoci.alS 2 Replies Last reply
                2
                • sabrew4k3@lazysoci.alS [email protected]
                  This post did not contain any content.
                  B This user is from outside of this forum
                  B This user is from outside of this forum
                  [email protected]
                  wrote on last edited by [email protected]
                  #41

                  Let’s do the math.

                  Let’s take an SDXl porn model, with no 4-step speed augmentations, no hand written quantization/optimization schemes like svdquant, or anything, just an early, raw inefficient implementation:

                  https://www.baseten.co/blog/40-faster-stable-diffusion-xl-inference-with-nvidia-tensorrt/#sdxl-with-tensorrt-in-production

                  So 2.5 seconds on an A100 for a single image. Let’s batch it (because that’s what’s done in production), and run it on the now popular H100 instead, and very conservatively assume 1.5 seconds per single image (though it’s likely much faster).

                  That’s on a 700W SXM Nvidia H100. Usually in a server box with 7 others, so let’s say 1000W including its share of the CPU and everything else. Let’s say 1400W for networking, idle time, whatever else is going on.

                  That’s 2 kJ, or 0.6 watt hours.

                  …Or about the energy of browsing Lemmy for 30-60 seconds. And again, this is an high estimate, but also a fraction of a second of usage for a home AC system.


                  …So yeah, booby pictures take very little energy, and the usage is going down dramatically.

                  Training light, open models like Deepseek or Qwen or SDXL takes very little energy, as does running them. The GPU farms they use are tiny, and dwarfed by something like an aluminum plant.

                  What slurps energy is AI Bros like Musk or Altman trying to brute force their way to a decent model by scaling out instead of increasing efficiency, and mostly they’re blowing that out of proportion to try the hype the market and convince them AI will be expensive and grow infinitely (so people will give them money).

                  That isn’t going to work very long. Small on-device models are going to be too cheap to compete.

                  https://escholarship.org/uc/item/2kc978dg

                  So this is shit, they should be turning off AI farms too, but your porn images are a drop in the bucket compared to AC costs.


                  TL;DR: There are a bazillion things to flame AI Bros about, but inference for small models (like porn models) is objectively not one of them.

                  The problem is billionaires.

                  S P I track_shovel@slrpnk.netT 4 Replies Last reply
                  42
                  • A [email protected]

                    I had my energy company remove their LVTC smart meter this week after they started using it to shut off our condenser unit during our 100 degree days

                    The fact that it exists at all is bad enough, but they were doing this at a time when our AC was already malfunctioning due to low refrigerant. On the day they first shut it off, our house reached 94 degrees.

                    The program that the previous owner signed up for that enabled them to do this gave them a fucking two dollar a month discount.

                    I use a smart thermostat to optimize my home conditioning - having a second meter fucking with my schedule ends up making us all miserable. Energy providers need to stop fucking around and just build out their infrastructure to handle worst case peak loads, and enable customers to install solar to reduce peak loading to begin with.

                    The other thing that kills me about this is that our provider administers our city's solar electric subsidy program themselves. When i had them come out to give us a quote, they inflated their price by more than 100% because they knew what our electricity bill was. All they did was take our average monthly bill and multiplied it by the repayment period. I could have been providing them more energy to the grid at their peak load if they hadn't tried scamming me.

                    FUCK private energy providers.

                    Z This user is from outside of this forum
                    Z This user is from outside of this forum
                    [email protected]
                    wrote on last edited by [email protected]
                    #42

                    How tf can a meter shut of an applience? Did you also have smart breakers from them?

                    Anyway absolutely ridiculous

                    A 1 Reply Last reply
                    19
                    • B [email protected]

                      Let’s do the math.

                      Let’s take an SDXl porn model, with no 4-step speed augmentations, no hand written quantization/optimization schemes like svdquant, or anything, just an early, raw inefficient implementation:

                      https://www.baseten.co/blog/40-faster-stable-diffusion-xl-inference-with-nvidia-tensorrt/#sdxl-with-tensorrt-in-production

                      So 2.5 seconds on an A100 for a single image. Let’s batch it (because that’s what’s done in production), and run it on the now popular H100 instead, and very conservatively assume 1.5 seconds per single image (though it’s likely much faster).

                      That’s on a 700W SXM Nvidia H100. Usually in a server box with 7 others, so let’s say 1000W including its share of the CPU and everything else. Let’s say 1400W for networking, idle time, whatever else is going on.

                      That’s 2 kJ, or 0.6 watt hours.

                      …Or about the energy of browsing Lemmy for 30-60 seconds. And again, this is an high estimate, but also a fraction of a second of usage for a home AC system.


                      …So yeah, booby pictures take very little energy, and the usage is going down dramatically.

                      Training light, open models like Deepseek or Qwen or SDXL takes very little energy, as does running them. The GPU farms they use are tiny, and dwarfed by something like an aluminum plant.

                      What slurps energy is AI Bros like Musk or Altman trying to brute force their way to a decent model by scaling out instead of increasing efficiency, and mostly they’re blowing that out of proportion to try the hype the market and convince them AI will be expensive and grow infinitely (so people will give them money).

                      That isn’t going to work very long. Small on-device models are going to be too cheap to compete.

                      https://escholarship.org/uc/item/2kc978dg

                      So this is shit, they should be turning off AI farms too, but your porn images are a drop in the bucket compared to AC costs.


                      TL;DR: There are a bazillion things to flame AI Bros about, but inference for small models (like porn models) is objectively not one of them.

                      The problem is billionaires.

                      S This user is from outside of this forum
                      S This user is from outside of this forum
                      [email protected]
                      wrote on last edited by
                      #43

                      I don’t disagree with you but most of the energy that people complain about AI using is used to train the models, not use them. Once they are trained it is fast to get what you need out of it, but making the next version takes a long time.

                      B D K 3 Replies Last reply
                      19
                      • W [email protected]

                        I mean it's usually the power utility telling you to do that and they're the ones making deals with the data centers so I think the criticism is fairly directed.

                        G This user is from outside of this forum
                        G This user is from outside of this forum
                        [email protected]
                        wrote on last edited by
                        #44

                        It isn't blaming the utility companies?

                        1 Reply Last reply
                        0
                        • T [email protected]

                          we had three tiddied aliens in total recall, like 40 years ago. we don't need AI to give us more tits.

                          serotoninswells@lemmy.worldS This user is from outside of this forum
                          serotoninswells@lemmy.worldS This user is from outside of this forum
                          [email protected]
                          wrote on last edited by
                          #45

                          T 1 Reply Last reply
                          2
                          • gray@pawb.socialG [email protected]

                            An AC is an “air heat pump”. The only difference between an AC and what we call a “heat pump” is a reversing valve, which can send refrigerant the other way to heat the interior instead of cooling it.

                            They’re literally the same thing.

                            C This user is from outside of this forum
                            C This user is from outside of this forum
                            [email protected]
                            wrote on last edited by
                            #46

                            That’s the only definitional difference. In practice there are other differences. My modern cold climate heat pump has a variable speed compressor whereas my previous traditional AC did not. The variable speed allows the system to ramp up and down on both heating and cooling, letting the system run all the time even at a very low level when the demand is low.

                            The traditional AC’s single speed compressor ended up doing a lot of short cycling when cooling demand was low and shutting down completely when cooling demand was too high (to prevent overheating and compressor damage). The variable speed compressor of the modern heat pump is designed for continuous operation over many hours, even when the temperature outside is extremely high, without overheating. I believe it’s able to back off the compressor speed when the cooling demand exceeds capacity though I have yet to see the system be unable to keep up, despite the unit itself being a lot smaller than the old AC.

                            sabrew4k3@lazysoci.alS 1 Reply Last reply
                            2
                            • B [email protected]

                              Let’s do the math.

                              Let’s take an SDXl porn model, with no 4-step speed augmentations, no hand written quantization/optimization schemes like svdquant, or anything, just an early, raw inefficient implementation:

                              https://www.baseten.co/blog/40-faster-stable-diffusion-xl-inference-with-nvidia-tensorrt/#sdxl-with-tensorrt-in-production

                              So 2.5 seconds on an A100 for a single image. Let’s batch it (because that’s what’s done in production), and run it on the now popular H100 instead, and very conservatively assume 1.5 seconds per single image (though it’s likely much faster).

                              That’s on a 700W SXM Nvidia H100. Usually in a server box with 7 others, so let’s say 1000W including its share of the CPU and everything else. Let’s say 1400W for networking, idle time, whatever else is going on.

                              That’s 2 kJ, or 0.6 watt hours.

                              …Or about the energy of browsing Lemmy for 30-60 seconds. And again, this is an high estimate, but also a fraction of a second of usage for a home AC system.


                              …So yeah, booby pictures take very little energy, and the usage is going down dramatically.

                              Training light, open models like Deepseek or Qwen or SDXL takes very little energy, as does running them. The GPU farms they use are tiny, and dwarfed by something like an aluminum plant.

                              What slurps energy is AI Bros like Musk or Altman trying to brute force their way to a decent model by scaling out instead of increasing efficiency, and mostly they’re blowing that out of proportion to try the hype the market and convince them AI will be expensive and grow infinitely (so people will give them money).

                              That isn’t going to work very long. Small on-device models are going to be too cheap to compete.

                              https://escholarship.org/uc/item/2kc978dg

                              So this is shit, they should be turning off AI farms too, but your porn images are a drop in the bucket compared to AC costs.


                              TL;DR: There are a bazillion things to flame AI Bros about, but inference for small models (like porn models) is objectively not one of them.

                              The problem is billionaires.

                              P This user is from outside of this forum
                              P This user is from outside of this forum
                              [email protected]
                              wrote on last edited by
                              #47

                              Not only are they cheaper than AC, but doing the math shows that they are more energy efficient than a human doing the same work, since humans operate at around 80-100W, 24 hours a day. (Assuming that the output is worth anything, of course.)

                              lime@feddit.nuL B 2 Replies Last reply
                              3
                              • gray@pawb.socialG [email protected]

                                An AC is an “air heat pump”. The only difference between an AC and what we call a “heat pump” is a reversing valve, which can send refrigerant the other way to heat the interior instead of cooling it.

                                They’re literally the same thing.

                                sabrew4k3@lazysoci.alS This user is from outside of this forum
                                sabrew4k3@lazysoci.alS This user is from outside of this forum
                                [email protected]
                                wrote on last edited by
                                #48

                                They’re literally the same thing.

                                A traditional air conditioner provides only cooling by moving heat out of your home, primarily contributing to summer electricity peaks. In contrast, a heat pump offers both heating and cooling by simply reversing the refrigerant flow, making it a more versatile and energy-efficient solution for year-round comfort. While heat pumps increase overall electricity demand by electrifying heating, they also shift energy consumption patterns, creating a new winter peak for the grid to manage. However, this increased electrical load presents an opportunity for demand response, allowing smart heat pumps to adjust usage during peak times to balance the grid. Ultimately, widespread heat pump adoption, powered by a decarbonising electricity supply, is crucial for reducing fossil fuel reliance and achieving a greener energy system, albeit requiring significant grid infrastructure upgrades.

                                Z 1 Reply Last reply
                                0
                                • Z [email protected]

                                  How tf can a meter shut of an applience? Did you also have smart breakers from them?

                                  Anyway absolutely ridiculous

                                  A This user is from outside of this forum
                                  A This user is from outside of this forum
                                  [email protected]
                                  wrote on last edited by
                                  #49

                                  It's separate from the main meter and connected directly at the condenser unit.

                                  It monitors power draw and acts as a relay when the provider sends a shutoff signal. The thermostat thinks the system is still going, and the fans still push air through the vents, but the coils aren't being cooled anymore so the air gets hot and musty.

                                  1 Reply Last reply
                                  33
                                  • I [email protected]

                                    The efficiency gains from an air source heat pumps are on the heating cycle, not the cooling cycle, since you are moving heat around instead of having to generate heat via combustion or big heating elements. When acting as an air conditioner, the efficiency is the same.

                                    sabrew4k3@lazysoci.alS This user is from outside of this forum
                                    sabrew4k3@lazysoci.alS This user is from outside of this forum
                                    [email protected]
                                    wrote on last edited by
                                    #50

                                    Ground source heat pumps (GSHPs) are generally the most efficient, achieving 350-500% efficiency by leveraging stable underground temperatures, though they have higher installation costs. Air source heat pumps (ASHPs) are also highly efficient at 250-400%, extracting heat from the air, but their performance can be affected by extreme outdoor temperatures. In contrast, a traditional gas boiler for heating is around 90-95% efficient, while separate air conditioning units cool, but neither offers the combined, high-efficiency performance of a heat pump. Therefore, for overall energy savings and reduced environmental impact, heat pumps are the superior choice for both heating and cooling.

                                    1 Reply Last reply
                                    0
                                    • A [email protected]

                                      I had my energy company remove their LVTC smart meter this week after they started using it to shut off our condenser unit during our 100 degree days

                                      The fact that it exists at all is bad enough, but they were doing this at a time when our AC was already malfunctioning due to low refrigerant. On the day they first shut it off, our house reached 94 degrees.

                                      The program that the previous owner signed up for that enabled them to do this gave them a fucking two dollar a month discount.

                                      I use a smart thermostat to optimize my home conditioning - having a second meter fucking with my schedule ends up making us all miserable. Energy providers need to stop fucking around and just build out their infrastructure to handle worst case peak loads, and enable customers to install solar to reduce peak loading to begin with.

                                      The other thing that kills me about this is that our provider administers our city's solar electric subsidy program themselves. When i had them come out to give us a quote, they inflated their price by more than 100% because they knew what our electricity bill was. All they did was take our average monthly bill and multiplied it by the repayment period. I could have been providing them more energy to the grid at their peak load if they hadn't tried scamming me.

                                      FUCK private energy providers.

                                      S This user is from outside of this forum
                                      S This user is from outside of this forum
                                      [email protected]
                                      wrote on last edited by
                                      #51

                                      our city’s solar electric subsidy program

                                      It sounds like there's two different things there. There's a solar installation (hardware, etc.), and there's likely some kind of net metering program (where they pay you or give you credit for electricity you generate). That paragraph sounds like the first, but the phrase sounds like the second.

                                      You shouldn't have to go through them for the solar installation, if your conditions accommodate it. Granted, the conditions don't apply to everyone. You'll want to have a suitable roof that ideally faces south-ish, own your home, and plan to stay there for at least 10 years. In the US, you also kind of need to get it done within this calendar year, which is a rough ask, before the federal 30% tax credit goes away. But maybe you can find an installer that isn't trying to scam you quite as much.

                                      (It's early and cloudy today.)

                                      Solar system stats, Home Assistant panel

                                      A A 2 Replies Last reply
                                      3
                                      • C [email protected]

                                        That’s the only definitional difference. In practice there are other differences. My modern cold climate heat pump has a variable speed compressor whereas my previous traditional AC did not. The variable speed allows the system to ramp up and down on both heating and cooling, letting the system run all the time even at a very low level when the demand is low.

                                        The traditional AC’s single speed compressor ended up doing a lot of short cycling when cooling demand was low and shutting down completely when cooling demand was too high (to prevent overheating and compressor damage). The variable speed compressor of the modern heat pump is designed for continuous operation over many hours, even when the temperature outside is extremely high, without overheating. I believe it’s able to back off the compressor speed when the cooling demand exceeds capacity though I have yet to see the system be unable to keep up, despite the unit itself being a lot smaller than the old AC.

                                        sabrew4k3@lazysoci.alS This user is from outside of this forum
                                        sabrew4k3@lazysoci.alS This user is from outside of this forum
                                        [email protected]
                                        wrote on last edited by
                                        #52

                                        I genuinely think the oversimplification of what a heat pump is and how it compares to AC is malignant. It's like comparing a rickshaw to a bullet train.

                                        1 Reply Last reply
                                        0
                                        • serotoninswells@lemmy.worldS [email protected]

                                          T This user is from outside of this forum
                                          T This user is from outside of this forum
                                          [email protected]
                                          wrote on last edited by
                                          #53

                                          I should have figured the Rick and Morty episode was a reference to something.

                                          Makes me think about South Park and watching it as it aired when I was a kid. There were so many things I missed because I hadn’t seen any of the source material for a lot of the jokes.

                                          Watching it all again 25 years later and damn, even better the second time around when you’ve seen all the shit they’re parodying.

                                          serotoninswells@lemmy.worldS 1 Reply Last reply
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