Dev forks vLLM with custom patch to benchmark 31B model unsupported by flashinfer

abhijithneil · x · 2026-09-04

Developer abhijithneil hit a wall while benchmarking a 31B Gemma model: flashinfer's attention backend didn't support 512 headdim. He forked the vLLM project, applied a custom patch, and managed to break through the benchmark speed ceiling. His takeaway: there's still a huge amount of work to be done in inference frameworks.

Original post →

More from Infra

Infra channel →