The Ledger

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why aren't all 30 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Insight
AI Productivity Gains Will Ultimately Increase Demand for Software Engineers
“Like, I think we can, you know, 10 x the amount of developers, and still, you know, have a lot of people making a lot of money, you know, building amazing software, and also being, while at the same time being more productive. Like, I never understood this, li…”
Erik Bernhardsson Feb 19, 2024 ▶ 1:01:23 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Prediction Not checkable as stated
VCs Subsidizing AI Inference Will Not See Their Expected Returns
“In the end, like, I don't think VCs will have the return they expected. Like, you know, in these things, but guess who's going to benefit? Like, you know, it's the consumers, right? Like someone's like reaping that the value of this. And that's, I think an ama…”
Erik Bernhardsson Feb 19, 2024 ▶ 50:15 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Startups Must Build Deep Infrastructure Rather Than Thin Kubernetes Wrappers
“And so one of my frustrations has been like so many startups are like, in my opinion, like Kubernetes wrappers and like, you know, like, and not very like thick wrappers, like fairly thin wrappers. And I think, you know, every startup is a wrapper to some exte…”
Erik Bernhardsson Feb 19, 2024 ▶ 1:07:30 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Opinion
Kubernetes Works for Backend Teams but Fails Data Teams
“Like in particular, like Kubernetes, I feel like it's like kind of worked okay for backend teams, but not so well for data teams.”
Erik Bernhardsson Feb 19, 2024 ▶ 10:03 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Opinion
AWS Has Always Struggled With Developer Experience
“AWS has always like struggled with developer experience”
Erik Bernhardsson Feb 19, 2024 ▶ 17:35 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Prediction Not checkable as stated
Developer Productivity Will Continue Growing 10x Per Decade
“You look at the developers are, I've been getting like probably 10 X more productive every decade for the last four, four decades or something that was kind of crazy. Like on an exponential scale, we're talking about 10 X or is there a 10,000 X like, you know,…”
Erik Bernhardsson Feb 19, 2024 ▶ 20:39 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Serverless Architecture Fits Generative AI Far Better Than Backend Services
“Serverless always, to me, felt like a little bit of, like, a solution looking for a problem. I don't know, I don't actually, like, don't think, like, backend is, like, the problem that needs serverless, or, like, not as much, but I look at data, and in particu…”
Erik Bernhardsson Feb 19, 2024 ▶ 22:27 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Assertion Not checkable as stated
Modal Users Save Money on Inference Despite Higher GPU Rates
“In many cases, like users who do inference on those platforms or those clouds even though we charge a slightly higher price per, per GPU hour, a lot of users like moving their large scale inference use cases to model, like end up saving a lot of money because …”
Erik Bernhardsson Feb 19, 2024 ▶ 25:47 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Prediction Not checkable as stated
VCs Will Eventually Force Modular to Offer a Hosted Cloud Service
“I'm sure their VCs at some point are gonna force them to reconsider.”
Erik Bernhardsson Feb 19, 2024 ▶ 33:58 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Cloud Infra Startups Must Capture the Entire Hobbyist-to-Enterprise Spectrum
“The only way to do, to build infrastructure to build a successful infrastructure company in the long run in, in, in the cloud today is, You have to appeal to the entire spectrum, right? Or at least like the enterprise, like you have to capture the enterprise m…”
Erik Bernhardsson Feb 19, 2024 ▶ 36:06 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Opinion
Buying Dedicated GPU Clusters Offers Better Economics for Model Training
“In training, I think, you know, there's less software differentiation. So in training, I think there's certainly, like, better economics of, like, buying big clusters.”
Erik Bernhardsson Feb 19, 2024 ▶ 37:25 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Prediction Not checkable as stated
Only Tech Giants Will Build In-House AI Infrastructure Long-Term
“I think a lot of these companies over in the long run, like, you know, they're accepted maybe super big ones, like, you know, the Facebook and Google, they're always gonna build their own ones, but like everyone else, like some extent, you know, I think they'r…”
Erik Bernhardsson Feb 19, 2024 ▶ 37:42 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Assertion Supported
Modal Can Fan Out Workloads to Thousands of GPUs in Minutes
“It's like pretty easy in Moto, like, fan out to like, you know, at least like a hundred GPUs, like in a few seconds, and you know, if you give it like a couple of minutes, like we can, you know, you can fan out to like thousands of GPUs.”
Erik Bernhardsson Feb 19, 2024 ▶ 42:23 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Prediction Not checkable as stated
AI Inference Margins Will Rise While Consumer Prices Stay Low
“Margins are gonna go up for sure, but I don't know if prices will go up, because like, GPU prices have to drop eventually, right? So like, you know, like in the long run, I still think like prices may not go up that much but certainly margins will go up.”
Erik Bernhardsson Feb 19, 2024 ▶ 52:56 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Opinion
Oracle Cloud GPUs Actually Offer Great Value for Money
“I love Oracle's GPUs. I mean, I don't, like, I don't know why, you know, what the economics looks like for Oracle, but like, I think they're great value for money. Like, we run a bunch of stuff in Oracle and They have bare metal machines with, like, two teraby…”
Erik Bernhardsson Feb 19, 2024 ▶ 55:03 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Buying Physical Hardware Is a Poor Use of Venture Capital
“My feeling is that when you're a venture-funded startup, like, buying physical hardware is maybe not the best use of the money.”
Erik Bernhardsson Feb 19, 2024 ▶ 57:50 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Opinion
Daniel Ek Is a Generational CEO Among Swedish Startups
“Overall, I mean, I think he was a great CEO, like, definitely, you know, up there, like, generational CEO, at least for, like, Swedish startups.”
Erik Bernhardsson Feb 19, 2024 ▶ 5:17 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Developer Productivity Is Best Measured by Iteration Feedback Speed
“I think the best way to measure developer productivity is, like, in terms of the feedback loops. Like, it, like, in, like, How quickly when you iterate, like when you write code, like how quickly can you get feedback? And at the innermost loop, it's like runni…”
Erik Bernhardsson Feb 19, 2024 ▶ 9:22 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
99% of Data in Multi-Gigabyte Docker Images Is Never Read
“It turns out, like, when you start a Docker container, like, first of all, like, most Docker images are, like, several gigabytes, and, like, 99% of that is never going to be consumed.”
Erik Bernhardsson Feb 19, 2024 ▶ 13:04 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Assertion Supported
Suno Uses Modal for Its AI Music Production Infrastructure
“Yeah, so, I mean, they're using model for, like, production infrastructure, like, they have their own, like, custom model, like, custom code and custom weights, you know, for AI-generated music, Suno.ai.”
Erik Bernhardsson Feb 19, 2024 ▶ 32:22 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Snowflake Proved Layer-Two Clouds Can Win on Developer Experience
“And I think Snowflake, you know, to me won because like, I mean, in the end, like AWS makes all the money anyway, like, and like Snowflake just had the ability to like focus on like developer experience or like, you know, or user experience. And to me, like re…”
Erik Bernhardsson Feb 19, 2024 ▶ 34:45 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Disclosure
Modal Will Not Try to Compete Directly With OpenAI's API
“So many people get started with APIs and that's just, you know, they're just dominating a space in particular, open AI. Right. And that's not necessarily like a place where we aim to compete. I mean, maybe at some point, but like, it's just not like a core foc…”
Erik Bernhardsson Feb 19, 2024 ▶ 41:02 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Disclosure
Modal's Sandbox Feature Is Evolving Into a Platform for Platforms
“The core, like, container infrastructure we offer could actually be, like, you know, unbundled from, like, the client SDK and offered to, like, other, you know, like, we're talking to a couple of, like other companies that want to run, you know, through their,…”
Erik Bernhardsson Feb 19, 2024 ▶ 44:50 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Insight
Switching Costs for Open-Source LLM Inference Providers Are Zero
“The LLM space is, like, the opposite. Like, the switching cost of LLMs is zero, right? Like, if all you're doing is, like, straight up, like, at least, like, open source, right? Like, if all you're doing is, like, you know, using some, you know, inference endp…”
Erik Bernhardsson Feb 19, 2024 ▶ 49:55 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Assertion Supported
Better.com Grew to 10,000 Employees Before Shrinking Back to 1,000
“Yeah, I mean, the company, like, grew from, like, 10 people when I joined to 10,000, now it's back to a thousand, and, but yeah, they actually went public a few months ago, kind of crazy.”
Erik Bernhardsson Feb 19, 2024 ▶ 6:01 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Assertion Supported
Modal's Custom Container File System Enables Sub-Second Cloud Launches
“So that was, like, the first, like, sort of stuff we started working on was, like, let's build this, like, container file system, And, you know, coupled with like, you know, just using RunC directly. And that actually enabled us to like get to this point of li…”
Erik Bernhardsson Feb 19, 2024 ▶ 13:25 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Disclosure
Modal Had Little Traction Until the Release of Stable Diffusion
“That's, like, you know, a year and a half in, like, we barely had any users or any revenue, and, like, we were, like, well, maybe we should look at, like, some use case, trying to think of use cases, and that was around the time, same, same time Stable Edition…”
Erik Bernhardsson Feb 19, 2024 ▶ 23:10 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Disclosure
Modal Implemented Full CPU Memory Checkpointing for Container Restores
“We've implemented recently CPU memory checkpointing, so we can take running containers and snapshot the entire CPU, like including registers and everything, and restore it from that point, which means we can restore it from a like initialized state.”
Erik Bernhardsson Feb 19, 2024 ▶ 26:26 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Disclosure
Modal Is Not Designed for Training Large Foundation Models
“When you get to like training, like very large foundational models, that that's a use case we don't support super well because that's very high IO, you know, you need to have like infinite band and all these things. And those are things we haven't supported ye…”
Erik Bernhardsson Feb 19, 2024 ▶ 27:44 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
Assertion Not checkable as stated
Modal Uses Mixed Integer Programming to Optimize Cloud Resource Allocation
“You know, the resource allocation, like turns out like that actually, like you can phrase that as a mixed integer programming problem. Like we now have that running in production, like constantly optimizing how we allocate cloud research.”
Erik Bernhardsson Feb 19, 2024 ▶ 1:03:41 Truly Serverless Infra for AI Engineers - with Erik Bernhardsson of Modal
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