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lkcl
<lkcl@web>
Sat, 23 Oct 2021 22:13:18 +0000
(23:13 +0100)
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IkiWiki
<ikiwiki.info>
Sat, 23 Oct 2021 22:13:18 +0000
(23:13 +0100)
3d_gpu/architecture/dynamic_simd/slice.mdwn
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diff --git
a/3d_gpu/architecture/dynamic_simd/slice.mdwn
b/3d_gpu/architecture/dynamic_simd/slice.mdwn
index 4092a1ed93de5d2eb425266ddc11ccf767139760..39bc222e4e70015e420d75d62812e572186d11b9 100644
(file)
--- a/
3d_gpu/architecture/dynamic_simd/slice.mdwn
+++ b/
3d_gpu/architecture/dynamic_simd/slice.mdwn
@@
-247,8
+247,8
@@
The end result (assuming `Cat(a[0:3], b)`) is:
Combining a slice and b at each elwidth gives:
elwid | | | | | |
- 0b00
|B7 B6B5B4 B3B2 B1B0A2A1A0
- 0b01
|B7B6 B5B4AaA9 A8|
|B3B2 B1B0A2A1A0
+ 0b00
x x x x x x x x x
|B7 B6B5B4 B3B2 B1B0A2A1A0
+ 0b01
x x x |B7B6 B5B4AaA9 A8|x x x
|B3B2 B1B0A2A1A0
0b10 B7B6Ae AdAc|B5B4AaA9 A8|B3B2A6 A5A4|B1B0A2A1A0
This complex-looking result is quite straightforward: SimdShape