Technology · Weekly

Colossus Talk

xAI Research

Compute, models, and the infrastructure of intelligence at planetary scale.

Episodes

1 week ago·Ep. 5

Cluster Topology

How fabric design shapes model parallelism choices.

46 min left

1 week ago·Ep. 4

Cooling at Scale

Heat is the real limiter — liquid loops and facility design.

48:40

1 week ago·Ep. 3

Training Throughput

Measuring useful FLOPs vs. scheduled FLOPs.

56:40

2 weeks ago·Ep. 2

Power as a Product

Energy contracts, locality, and why siting matters.

45:50

2 weeks ago·Ep. 1

The Memory Wall

Bandwidth between chips is the new scarce resource.

50:50