# IBM Used Mathematics as Compass on Journey to NorthPole

- Show: [EE Times Current](https://hardwarepodcasts.com/podcast/ee-times-current)
- Published: 2025-05-02
- Length: 49m
- Page: https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole
- Listen: https://podcast.show/aspencore/episode/145123166/

## Summary

Dr. Dharmendra Modha, IBM’s chief scientist for brain-inspired computing, explains how his team moved from the TrueNorth chip to the NorthPole inference system by prioritizing mathematical axioms over biological replication. He details how NorthPole achieves 75 times greater energy efficiency than GPUs by fitting large language models entirely on-chip, leveraging a 16-axiom architecture that optimizes time, space, and energy within silicon constraints. The discussion covers the transition from analog to digital neurons, the specific hardware organization of NorthPole, and the strategic decision to focus solely on inference to minimize capital and operating costs. Post-interview commentary from Prof. Ralph Etienne-Cummings and Dr. Julia D'Angelo highlights the importance of academic leadership and the trade-offs between biological realism and computational efficiency in neuromorphic design.

## Chapters

- [0:03](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=3) Introduction: Dr. Dharmendra Modha and IBM's NorthPole
- [2:07](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=127) Modha's Background: From IIT Bombay to UC San Diego and IBM
- [4:06](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=246) The DARPA SyNAPSE Program and the Genesis of TrueNorth
- [8:25](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=505) TrueNorth Design: Moving from Analog Neurons to Digital Cores
- [18:27](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=1107) NorthPole Architecture: 10 Axioms and Inference-Only Design
- [26:32](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=1592) NorthPole Performance: 75x Energy Efficiency and LLM Mapping
- [31:49](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=1909) Scaling, Sparsity, and System-Level Constraints
- [38:22](https://hardwarepodcasts.com/podcast/ee-times-current/2025-05-02-ibm-used-mathematics-as-compass-on-journey-to-northpole#t=2302) Post-Interview: Academic Perspectives on Neuromorphic Computing

## Topics

- [Chips, FPGAs & semiconductors](https://hardwarepodcasts.com/topic/chips-and-fpgas)
- [AI & machine learning](https://hardwarepodcasts.com/topic/ai-and-machine-learning)
- [Batteries & low-power design](https://hardwarepodcasts.com/topic/batteries-and-low-power)
- [PCB design & layout](https://hardwarepodcasts.com/topic/pcb-design)
- [Careers & education](https://hardwarepodcasts.com/topic/engineering-careers-and-education)

## Most relevant to

large enterprises

## Mentioned

- IBM (company)
- TrueNorth (product)
- NorthPole (product)
- DARPA (company)
- UC San Diego (company)
- Golden Gate (product)
- Blue Raven (product)
- Nvidia (company)
- Cerebras (company)
- BrainScaleS (product)

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- [Ep. 27 | Two Google Senior VPs of Engineering: From Shipping Containers to Today's Data Centers](https://hardwarepodcasts.com/podcast/moores-lobby/2021-06-22-ep-27-two-google-senior-vps-of-engineering-from-shipping-containers-to-todays-da) (Moore's Lobby)
- [The Evolution of AI in IoT | BrainChip's Nandan Nayampally | Internet of Things Podcast](https://hardwarepodcasts.com/podcast/iot-for-all-podcast/2023-04-13-the-evolution-of-ai-in-iot-brainchips-nandan-nayampally-internet-of-things-podca) (IoT For All Podcast)
- [Episode 70!!! NPUs!!!!!!!!](https://hardwarepodcasts.com/podcast/the-circuit/2024-06-02-episode-70-npus) (The Circuit)
- [Ep. 42 | Groq CEO and Ex-Googler Jonathan Ross on the Petaflop AI Chip and First Ever TPU](https://hardwarepodcasts.com/podcast/moores-lobby/2022-03-29-ep-42-groq-ceo-and-ex-googler-jonathan-ross-on-the-petaflop-ai-chip-and-first-ev) (Moore's Lobby)

## Citing this page

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