Developer Asks NVIDIA Why Stream Kernel Launches Cost More Than CUDA Graphs
joefioti · x · 2026-10-21
The poster asks NVIDIA why enqueuing kernel launches to a stream carries more overhead than a CUDA graph, arguing that if the CPU can run ahead of the GPU this shouldn't fundamentally be the case. The question prompted a detailed technical explanation in the same thread about QMD construction and stream dispatch mechanics.
More from Infra
- July 28 MCP release makes remote servers stateless, biggest revision since launch — bibryam · 2026-10-23
- MCP keynote: AAIF hits 305 members, Skills over MCP and Tasks/Events roadmap revealed — bibryam · 2026-10-23
- Only 8% of cloud vendors support OIDC — dev calls to kill long-lived API keys — cramforce · 2026-10-23
- Swift-1.5-Qwen3.8-27B ported to hipfire MQ4: 2.2x faster end-to-end than GGUF on a 7900 XT — Queasy_Asparagus69 · 2026-10-23
- Intel CTO: chip output can at best 2X while AI compute grows 3X per year — SammaVaco · 2026-10-23
- Engineer reverse-engineers projector TV's 10s wake lag to a cold-booting Linux board — banteg · 2026-10-23