From a0b2a3a8f757a361121aba71f55451d3608cda1c Mon Sep 17 00:00:00 2001 From: Ed_ Date: Wed, 26 Aug 2026 18:50:44 -0400 Subject: [PATCH] 1738744404414759381 --- ...w-other-equivalent-graphs-or-ressources.md | 37 +++++++++++++ .../index.md | 53 +++++++++++++++++++ archive/threads/NOTimothyLottes/index.md | 1 + 3 files changed, 91 insertions(+) create mode 100644 archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/2023-12-24-BrettRidel-do-you-know-other-equivalent-graphs-or-ressources.md create mode 100644 archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/index.md diff --git a/archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/2023-12-24-BrettRidel-do-you-know-other-equivalent-graphs-or-ressources.md b/archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/2023-12-24-BrettRidel-do-you-know-other-equivalent-graphs-or-ressources.md new file mode 100644 index 0000000..c298928 --- /dev/null +++ b/archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/2023-12-24-BrettRidel-do-you-know-other-equivalent-graphs-or-ressources.md @@ -0,0 +1,37 @@ +--- +title: "@NOTimothyLottes Do you know other equivalent graphs or ressources for other GPUs (GTX, RTX, Snapdragon XR, ...) ?" +type: archive +source: twitter +source_url: "https://x.com/BrettRidel/status/1738843423891755098" +author: "Brett Ridel" +handle: BrettRidel +post_id: "1738843423891755098" +date: 2023-12-24 +archived: 2026-08-26 +draft: false +tags: + - archive + - twitter + - NOTimothyLottes +description: "@NOTimothyLottes Do you know other equivalent graphs or ressources for other GPUs (GTX, RTX, Snapdragon XR, ...) ?" +in_reply_to: "" +parent_post_id: "1738744404414759381" +--- + +## Source + +- URL: https://x.com/BrettRidel/status/1738843423891755098 +- Author: Brett Ridel (@BrettRidel) +- Posted: 2023-12-24 08:45:53 + +## Branch + +**1/** **@BrettRidel** ^1738843423891755098 + +**@NOTimothyLottes** + +Do you know other equivalent graphs or ressources for other GPUs (GTX, RTX, Snapdragon XR, ...) ? + +## Related + +- Spine: [[archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com]] diff --git a/archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/index.md b/archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/index.md new file mode 100644 index 0000000..d200021 --- /dev/null +++ b/archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/index.md @@ -0,0 +1,53 @@ +--- +title: "Two great graphs from https://chipsandcheese.com/2023/12/23/nintendo-switchs-igpu-maxwell-nerfed-edition/ - Why I always manually vectorize 16-bit code, and also why you always need to manually check disassembly." +type: archive +source: twitter +source_url: "https://x.com/NOTimothyLottes/status/1738744404414759381" +author: "NOTimothyLottes" +handle: NOTimothyLottes +post_id: "1738744404414759381" +date: 2023-12-24 +archived: 2026-08-26 +draft: false +tags: + - archive + - twitter + - NOTimothyLottes +description: "Two great graphs from https://chipsandcheese.com/2023/12/23/nintendo-switchs-igpu-maxwell-nerfed-edition/ - Why I always manually vectorize 16-bit code, and also why you always need to manually check disassembly." +in_reply_to: "" +--- + +## Source + +- URL: https://x.com/NOTimothyLottes/status/1738744404414759381 +- Author: NOTimothyLottes (@NOTimothyLottes) +- Posted: 2023-12-24 02:12:24 + +## Thread + +**1/** **@NOTimothyLottes** ^1738744404414759381 + +Two great graphs from https://chipsandcheese.com/2023/12/23/nintendo-switchs-igpu-maxwell-nerfed-edition/ - Why I always manually vectorize 16-bit code, and also why you always need to manually check disassembly. + +![](https://pbs.twimg.com/media/GCFBbyUWIAAaWoR?format=png&name=orig) +![](https://pbs.twimg.com/media/GCFBdy9WEAE0JYk?format=png&name=orig) + +Branches: [[archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com/2023-12-24-BrettRidel-do-you-know-other-equivalent-graphs-or-ressources]] + +**2/** **@AgileJebrim** ^1738750536302670083 + +**@NOTimothyLottes** + +Why are float16s so much faster than int16s? + +**3/** **@NOTimothyLottes** ^1738756633738522752 + +**@AgileJebrim** + +Same bit width, FMA needs smaller multipler than IMAD. Thus HW mul24 fast paths that never get exposed. But 16-bit is small enough already. I thought on AMD, packed 16-bit int or float are the same perf. Some vendors though try area savings by de-throughputing integer/etc ALUs + +**4/** **@AgileJebrim** ^1738757938376761652 + +**@NOTimothyLottes** + +Oh are you only comparing FMA? If it was just additions, would they be on par? diff --git a/archive/threads/NOTimothyLottes/index.md b/archive/threads/NOTimothyLottes/index.md index be4ae85..51ba7ae 100644 --- a/archive/threads/NOTimothyLottes/index.md +++ b/archive/threads/NOTimothyLottes/index.md @@ -37,6 +37,7 @@ tags: - [[archive/threads/NOTimothyLottes/2023-12-20-ideally-a-gpu-profiling-graph-would-provide-at]] - [[archive/threads/NOTimothyLottes/2023-12-21-code-shy-brain-says-its-strange-to-be-reading]] - [[archive/threads/NOTimothyLottes/2023-12-24-the-sometimes-extra-2-5-seconds-on-vulkan]] +- [[archive/threads/NOTimothyLottes/2023-12-24-two-great-graphs-from-https-chipsandcheese-com]] - [[archive/threads/NOTimothyLottes/2023-12-25-virtualized-xmas-thread]] - [[archive/threads/NOTimothyLottes/2023-12-26-no-luck-getting-d3dkmtgetscanline-to-work-thus-far]] - [[archive/threads/NOTimothyLottes/2023-12-29-end-of-2023-scaling-parallel-gfx-and-memory-thread]]