Rephonic
Artwork for Semi Doped
NVIDIA
Intel
Lidar
AI Infrastructure
Semiconductor Industry
IEDM
GPU Compute
Groq
Silicon Photonics
Copper
Meta MTIA
Matx
Marvell
Turboquant
Qualcomm
ARM AGI Cpus
Cerebras Systems
CES 2026
DGX Spark
SRAM

The business and technology of semiconductors. Alpha for engineers and investors alike.

PublishesTwice weeklyEpisodes37Founded6 months ago
Number of ListenersCategory
Technology

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Artwork for Semi Doped

Latest Episodes

Al Yuen, CEO of PicoJool, talks with Austin about using VCSELs for scale-up optical interconnects in AI data centers. Al explains why gallium arsenide (GaAs) supply is unconstrained while indium phosphide (InP) is limited, and how PicoJool can levera... more

Vik welcomes Val Bercovici from Weka to discuss the rapidly evolving landscape of AI memory and storage. Val explains how Weka's architecture leverages high-bandwidth networks to make storage faster than motherboard DRAM. They dive into KV cache opti... more

Austin and Vik break down the current memory crisis, where AI demand is driving unprecedented profits for memory makers like Micron, while simultaneously causing inflation and price hikes for consumer electronics. They discuss how even premium brands... more

Qualcomm flew Austin to New York for its investor day, where the communications company laid out a plan to make data center, automotive, and IoT two-thirds of its business by FY29. Austin was in the room and asked Cristiano Amon a question on the rec... more

Key Facts

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Recent Guests

Vik Shekhar
Contributor from Vicks Newsletter
Vicks Newsletter
Episode: Huawei's Tau Scaling Law: Is the "EUV Killer" Real?
Vik Sekar
Co-host and expert guest discussing Google TPU networking
Vik's Newsletter
Episode: Masterclass on Google's TPU v8 Networking
Matt Steiner
VP of Monetization Infrastructure, Ranking and AI Foundations at Meta
Meta
Episode: Meta VP Matt Steiner on Ads Infra, GPUs, MTIA, and LLM-Written Kernels
Reiner Pope
Co-founder and CEO of MatX
MatX
Episode: Reiner Pope (MatX): Designing AI Chips From First Principles for LLMs

Hosts

Austin Lines
Host of the Semi Doped podcast; frequently introduces topics and anchors technical discussions.
Vik Shekhar
Co-host providing industry newsletter insights and technical questions; runs Vik's Newsletter.
Austin Lyons
Co-host focusing on explaining packaging, data-center infrastructure, and industrial context; connected to Semi Doped.

Reviews

5.0 out of 5 stars from 23 ratings
  • Amazing Amazing! 🩶👾

    Semi Doped has quickly become my absolute favorite due to its insightful and well-researched content, including detailed interviews with industry experts and comprehensive analysis of current trends.

    I always learn something new from every episode, thanks to the clear explanations that make even the most complex topics accessible and understandable.

    Thanks so much, Vik and Austin, for all the hard work! Your effort truly means a lot. 🚀🚀

    Apple Podcasts
    5
    Overclocked Espresso
    United States5 months ago
  • Best thing to listen if you’re into tech and semiconductor space

    Thankyou. Absolutely and wholeheartedly love your show. Both your Substack are joy to read. Every. Single. Time.

    With gratitude 🙏

    Apple Podcasts
    5
    Iuy123
    India6 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

The show is lauded for timely industry context and practical insights into AI compute economics.
Listeners praise deep technical rigor and accessible explanations for complex hardware topics.
Guests and discussions are repeatedly described as authoritative and well‑informed.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#172
Singapore/Technology
Apple Podcasts
#240
India/Technology

Talking Points

Recent interactions between the hosts and their guests.

Qualcomm's HBC Memory, Alphawave, Modular, and more
Q: How does Modular fit into Qualcomm's data-center vision?
Modular provides Mojo, MAX, and distributed cloud tooling to unify software across multiple silicon providers, effectively enabling a common programming model and facilitating deployment from cloud to edge, which could help Qualcomm scale its multi-vendor strategy.
Qualcomm's HBC Memory, Alphawave, Modular, and more
Q: What is the significance of disaggregated inference and the memory approach?
Disaggregation enables assembling tailored racks for specific workloads and reduces dependency on any single vendor, while HBC and stacked memory aim to dramatically boost memory bandwidth and throughput near the compute, which could redefine data-center and edge AI performance.
Qualcomm's HBC Memory, Alphawave, Modular, and more
Q: Do you think they can build a real data center business?
Yes, the guests argue Qualcomm can, given its IP, scale, and past M&A activity, but the approach needs true technological differentiation and a credible, multi-vendor software/acceleration strategy to coexist with established players.
Reiner Pope (MatX): Designing AI Chips From First Principles for LLMs
Q: How do you justify the shift from software and hardware lock-in to a multi-vendor approach?
The company argues that the traditional software lock-in is not as strong as it seems because ecosystems are multi-platform, and customers can benefit from hardware diversity when performance and efficiency are optimized through memory-aware architectures.
Reiner Pope (MatX): Designing AI Chips From First Principles for LLMs
Q: What is MatX aiming to build and why is it different from GPUs?
MatX targets a first-principles hardware design optimized for large language models, prioritizing matrix-multiply throughput, a memory hierarchy that unifies SRAM and HBM, and multi-platform software to reduce lock-in, with a roadmap designed for data-center scale rather than repurposing general GPUs.

Audience Metrics

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Frequently Asked Questions About Semi Doped

What is Semi Doped about and what kind of topics does it cover?

This show covers the business and technology of semiconductors, with in-depth dives into AI hardware, data-center infrastructure, and advanced packaging. Episodes repeatedly explore how system-level design, memory hierarchies, interconnects, and power delivery shape performance and cost, often featuring practitioners and researchers who bridge engineering detail with market strategy. A notable strength is translating complex technical trends into actionable insights for engineers and investment-focused audiences, including real-world implications for hyperscalers, startups, and tooling ecosystems. The format tends to balance rigorous technical discussion with practical industry context, making it valuable for listeners who want to understan... more

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1. The Circuit
2. Dwarkesh Podcast
3. Training Data
4. No Priors: Artificial Intelligence | Technology | Startups
5. Sharp Tech with Ben Thompson

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Semi Doped launched 6 months ago and published 37 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Semi Doped?

Recent guests on Semi Doped include:

1. Vik Shekhar
2. Vik Sekar
3. Matt Steiner
4. Reiner Pope

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