From 2e2cb5403da8fc7aa1a13c258ce9b4d72264f99c Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 9 Oct 2021 15:53:28 +0100 Subject: [PATCH] --- 3d_gpu/architecture/dynamic_simd/shape.mdwn | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/3d_gpu/architecture/dynamic_simd/shape.mdwn b/3d_gpu/architecture/dynamic_simd/shape.mdwn index 1f64ebc9f..599cc8054 100644 --- a/3d_gpu/architecture/dynamic_simd/shape.mdwn +++ b/3d_gpu/architecture/dynamic_simd/shape.mdwn @@ -56,11 +56,18 @@ Example: * all 32 and 16-bit values are actually to be truncated to 11 bit * all 8-bit values to 5-bit + |31| | |24| 16|15| | 8|7 0 | + 32bit | | | | 1.11 | + 16bit | | 2.11 | | | 1.11 | + 8bit | | 4.5 | 3.5 | | 2.5 | | 1.5 | + from these we can write out the allocations, bearing in mind that in each partition the sub-signal must start on a power-2 boundary, -and that "x" marks unused (padding) portions: +and that "x" marks unused (padding) portions. We begin by marking +the power-of-two boundaries (0-7 .. 24-31) and also including column +guidelines to delineate the start and endpoints: - |31| | | | 16|15| | 8|7 0 | + |31| | |24| 16|15| | 8|7 0 | 32bit | x| x| x| | x| x| x|10 .... 0 | 16bit | x| x|26 ... 16 | x| x|10 .... 0 | 8bit | x|28 .. 24| 20.16| x|12 .. 8|x|4.. 0 | -- 2.30.2