{ "root_post_id": "2075769880092037309", "posts": [ { "post_id": "2075769880092037309", "author": "NOTimothyLottes", "handle": "NOTimothyLottes", "text": "Rethinking Vulkan queue choice. Traditional double-buffered games might do something like the code below. Find the queue that does {presentation,graphics,compute}. First off this seems like a lot of unnecessary work when one could just choose queue 0 and be done with it ...", "timestamp": "2026-07-11 02:31:20", "media_urls": [ "https://pbs.twimg.com/media/HM6desTW0AAHA_H?format=png&name=orig" ], "reply_to_id": null, "quote_of_id": null, "metrics": { "reply_count": 2, "repost_count": 2, "like_count": 42, "view_count": 5063 } }, { "post_id": "2075770634349527454", "author": "NOTimothyLottes", "handle": "NOTimothyLottes", "text": "AMD on Linux (RADV) and Windows. Queue 0 just works. But note both platforms support doing present on queue 1. So on AMD I'm likely going to render via compute on queue 0 [to reduce chance of preemption] and present on queue 1. And have both decoupled (for front buffer rendering)", "timestamp": "2026-07-11 02:34:19", "media_urls": [ "https://pbs.twimg.com/media/HM6d5GnWAAAGOmg?format=jpg&name=orig", "https://pbs.twimg.com/media/HM6d8lcXsAA-8LJ?format=jpg&name=orig" ], "reply_to_id": "2075769880092037309", "quote_of_id": null, "metrics": { "reply_count": 1, "repost_count": 0, "like_count": 7, "view_count": 1230 } }, { "post_id": "2075771407510773906", "author": "NOTimothyLottes", "handle": "NOTimothyLottes", "text": "NVIDIA is more complex. They put a DMA engine in queue 1 slot, and compute engine in queue 2 slot. Some sometimes queue 2 slot can or cannot do present (varies by driver). So maybe present on 0 (gfx queue), and dispatch on queue 2 by default for NV.", "timestamp": "2026-07-11 02:37:24", "media_urls": [ "https://pbs.twimg.com/media/HM6egsMWcAAkjOq?format=jpg&name=orig", "https://pbs.twimg.com/media/HM6ex2jXwAAkmI6?format=jpg&name=orig", "https://pbs.twimg.com/media/HM6e5EdXwAAuOG5?format=jpg&name=orig" ], "reply_to_id": "2075770634349527454", "quote_of_id": null, "metrics": { "reply_count": 1, "repost_count": 0, "like_count": 4, "view_count": 1100 } }, { "post_id": "2075830291499737598", "author": "Konrad Kubacki", "handle": "konrad_kubacki_", "text": "@NOTimothyLottes Am I having a stroke? What is this font? It feels like reading a captcha. Is it only me?", "timestamp": "2026-07-11 06:31:23", "media_urls": [], "reply_to_id": "2075769880092037309", "quote_of_id": null, "metrics": { "reply_count": 2, "repost_count": 0, "like_count": 19, "view_count": 437 } } ], "source_url": "https://x.com/NOTimothyLottes/status/2075769880092037309" }