The Gradient
The Gradient: Perspectives on AI
Sasha Luccioni: Connecting the Dots Between AI's Environmental and Social Impacts
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Sasha Luccioni: Connecting the Dots Between AI's Environmental and Social Impacts

On the carbon costs of ML systems, societal representations in diffusion models, and a metaethical perspective on AI ethics.
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In episode 120 of The Gradient Podcast, Daniel Bashir speaks to Sasha Luccioni.

Sasha is the AI and Climate Lead at HuggingFace, where she spearheads research, consulting, and capacity-building to elevate the sustainability of AI systems. A founding member of Climate Change AI (CCAI) and a board member of Women in Machine Learning (WiML), Sasha is passionate about catalyzing impactful change, organizing events and serving as a mentor to under-represented minorities within the AI community.

Have suggestions for future podcast guests (or other feedback)? Let us know here or reach Daniel at editor@thegradient.pub

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Outline:

  • (00:00) Intro

  • (00:43) Sasha’s background

  • (01:52) How Sasha became interested in sociotechnical work

  • (03:08) Larger models and theory of change for AI/climate work

  • (07:18) Quantifying emissions for ML systems

    • (09:40) Aggregate inference vs training costs

    • (10:22) Hardware and data center locations

    • (15:10) More efficient hardware vs. bigger models — Jevons paradox

    • (17:55) Uninformative experiments, takeaways for individual scientists, knowledge sharing, failure reports

  • (27:10) Power Hungry Processing: systematic comparisons of ongoing inference costs

    • (28:22) General vs. task-specific models

    • (31:20) Architectures and efficiency

    • (33:45) Sequence-to-sequence architectures vs. decoder-only

    • (36:35) Hardware efficiency/utilization

  • (37:52) Estimating the carbon footprint of Bloom and lifecycle assessment

  • (40:50) Stable Bias

    • (46:45) Understanding model biases and representations

    • (52:07) Future work

  • (53:45) Metaethical perspectives on benchmarking for AI ethics

    • (54:30) “Moral benchmarks”

    • (56:50) Reflecting on “ethicality” of systems

    • (59:00) Transparency and ethics

  • (1:00:05) Advice for picking research directions

  • (1:02:58) Outro

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The Gradient
The Gradient: Perspectives on AI
Deeply researched, technical interviews with experts thinking about AI and technology. Hosted, recorded, researched, and produced by Daniel Bashir.