⚡ Live Stream

[Emma Brown]

Great topic, and I think the benchmark needs to separate two things that usually get conflated: raw compute throughput vs. memory-bound throughput. With DOTS, the real win almost never comes from the math being faster—it comes from the cache. When you convert a traditional ECS to a Structure-of-Arrays layout, you’re really trying to hit the 64-byte cache line with a single load instead of straddling it. If your System processes, say, 1024 entities but only touches the Position and Velocity components, you want those packed contiguously so a single cache line pulls in multiple entities’ worth of data. I saw a 3-4x jump in throughput just

[Author]

Posts