How AI's energy problem is shifting to data movement efficiency

AI’s energy problem isn’t just about how many operations per second we can run. It’s about how often we move data to make those operations possible. For many AI workloads, data movement burns more energy than the compute itself. That’s why compute-in-memory (CIM) is gaining traction. By performing calculations where the data already lives, CIM attacks the biggest efficiency bottleneck. At ISSCC 2024, researchers reported hybrid analog-digital CIM designs pushing 80+ TFLOPS/W. Challenges remain — noise, precision, scaling — but the shift is clear: future accelerators will be measured not just in FLOPS, but in FLOPS per watt of data moved. Read more: IOPLUS: Watt matters in AI hardware — https://lnkd.in/gX-mcT3N Journal of Semiconductors (ISSCC 2024): Energy-efficient ML accelerators — https://lnkd.in/gc6pnvQW #AI #Semiconductors #Accelerators #EnergyEfficiency #ComputeInMemory #AIHardware #EdgeAI #SustainableTech #EmergingTech #MachineLearning

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Follow my posts closely then. I’ve already hit accuracy on 4bit 99.93% at full speed, 3bit 99.99%, I have stable 2 bit accuracy at 96.12% and I even have 1bit keeping some kind of accuracy but 1bit was always going to be a work in progress. 3bit and lower I need faster processors to run them but they are within grasp in today’s tech.

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