Crowdsourced Effort Speeds Up Qwen 3.8 on Mac by 235%

julianharris · x · 2026-08-22

A crowdsourced challenge improved the median decode speed of Qwen 3.8 27B on Mac from 26 tok/s to 87.9 tok/s in just one week, achieving a 235% speedup. 31 solvers contributed 67 improvements, primarily using custom MTP heads for speculative decoding that draft and accept 3.9 tokens per round while matching serial output exactly.

Original post →

More from Infra

Infra channel →