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title: "@MartinJIFuller @SebAaltonen On https://mastodon.gamedev.place/@NOTimothyLottes " author: "NOTimothyLottes" handle: "@NOTimothyLottes" post_url: "https://x.com/NOTimothyLottes/status/1776597200073568623" post_id: "1776597200073568623" timestamp: "2024-04-06 13:05:54" post_count: 7 reply_count: 3 repost_count: 2 like_count: 35 view_count: 4445
@NOTimothyLottes — @MartinJIFuller @SebAaltonen On https://mastodon.gamedev.place/@NOTimothyLottes
Post 1 (2024-04-04 09:38:12)
This is how slow code feels like:
Post 2 (2024-04-04 09:40:40) — reply to Post 1
And this is how clever you feel after finding the optimization:
Post 3 (2024-04-06 07:53:58) — reply to Post 2
@SebAaltonen Sad that the compiler isn’t doing this for us in 2024
Post 4 (2024-04-06 13:05:54) — reply to Post 3
@MartinJIFuller @SebAaltonen On https://mastodon.gamedev.place/@NOTimothyLottes I'm collecting posts with AMD GPU disassembly dumps for a book on everything the shader compiler 'isn't doing'. Constant AMD GPU compiler perf bug SPAM is a key part of my online strategy to keep a low follower count.
Post 5 (2024-04-06 20:08:47) — reply to Post 4
@NOTimothyLottes @SebAaltonen A worthwhile project, knowledge well worth sharing, but is a book the right format? Perhaps yes, just thinking out loud.
Post 6 (2024-04-08 08:05:30) — reply to Post 4
@NOTimothyLottes @SebAaltonen @MartinJIFuller Ha! That won’t save you from my follow
Post 7 (2024-04-09 04:34:40) — reply to Post 4
@NOTimothyLottes @SebAaltonen @MartinJIFuller Oh sick, I'm deep in optimising shaders in an AAA game for GCN hardware right now (You can probably guess the platform(s)) so this is super relevant to me. 😅 Going to give it all a thorough read, I'm after all the GCN info I can find right now.