Ian Barber's warning: LLMs have entered the recsys phase
Barber argues model research now depends on composable kernels, not just cleaner agents.
By Ryan Merket · Published
Primary source: Ian's Blog
Why it matters
LLM infrastructure is moving from clean model definitions to systems that make new architectures measurable, fast enough and verifiable before teams bet GPU time on them.
Ian Barber, in a June 19th blog post, argues that large language models have crossed into the engineering regime long familiar in recommendation systems: performance is no longer an after-the-fact optimization, but part of the research loop itself.…
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