Rik Kisnah - Blog

#GPU

The 2026 GPU Field Guide: H200, B200, B300, GB200, GB300, Vera Rubin, MI3xx and Helios, From the Chip to the Rack

Sep 15, 2026 The 2026 GPU Field Guide: H200, B200, B300, GB200, GB300, Vera Rubin, MI3xx and Helios, From the Chip to the Rack

RDMA, RoCEv2 and InfiniBand, Explained to a Ten-Year-Old (and to the New Grad on My Team)

Sep 12, 2026 RDMA, RoCEv2 and InfiniBand, Explained to a Ten-Year-Old (and to the New Grad on My Team)

GPU Burn-In at Scale: Commands, Gates, and Troubleshooting for NVIDIA and AMD Clusters

Sep 8, 2026 GPU Burn-In at Scale: Commands, Gates, and Troubleshooting for NVIDIA and AMD Clusters

Design a Token Usage and Limits Service

Jun 16, 2026 Design a Token Usage and Limits Service

Design a Fleet Health Score and Repair Loop

Jun 9, 2026 Design a Fleet Health Score and Repair Loop

Design a Telemetry Platform

May 19, 2026 Design a Telemetry Platform

Design Model Weight Distribution to a Thousand Hosts

Mar 17, 2026 Design Model Weight Distribution to a Thousand Hosts

Design a Rack as One Computer

Mar 3, 2026 Design a Rack as One Computer

Attention Is All You Need — And All You Need to Know: An Infrastructure Engineer's Guide to the Paper That Built Your GPU Cluster

Feb 28, 2026 Attention Is All You Need — And All You Need to Know: An Infrastructure Engineer's Guide to the Paper That Built Your GPU Cluster

The Complete NCCL Reference Guide: Commands, Errors, and Troubleshooting for OCI GPU Infrastructure

Nov 15, 2025 The Complete NCCL Reference Guide: Commands, Errors, and Troubleshooting for OCI GPU Infrastructure