From 3a3880b5f0e5eea51728ebc3dc62d69b9cbbc689 Mon Sep 17 00:00:00 2001 From: lkcl Date: Mon, 28 Dec 2020 15:16:04 +0000 Subject: [PATCH] --- 3d_gpu/architecture/dynamic_simd/add.mdwn | 36 +++++++++++------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/3d_gpu/architecture/dynamic_simd/add.mdwn b/3d_gpu/architecture/dynamic_simd/add.mdwn index 5ed776a30..eff8ef146 100644 --- a/3d_gpu/architecture/dynamic_simd/add.mdwn +++ b/3d_gpu/architecture/dynamic_simd/add.mdwn @@ -12,27 +12,27 @@ straight "add" (DSP in an FPGA, add in a simulator) where otherwise it would be extraordinarily complex, CPU-intensive and take up large resources. - partition: P P P P (4 bits) - a : .... .... .... .... .... (32 bits) - b : .... .... .... .... .... (32 bits) - exp-a : ....P....P....P....P.... (32+4 bits, P=1 if no partition) - exp-b : ....0....0....0....0.... (32 bits plus 4 zeros) - exp-o : ....xN...xN...xN...xN... (32+4 bits - x to be discarded) - o : .... N... N... N... N... (32 bits - x ignored, N is carry-over) + partition: P P P (3 bits) + a : .... .... .... .... (32 bits) + b : .... .... .... .... (32 bits) + exp-a : ....P....P....P.... (32+3 bits, P=1 if no partition) + exp-b : ....0....0....0.... (32 bits plus 3 zeros) + exp-o : ....xN...xN...xN... (32+3 bits - x to be discarded) + o : .... N... N... N... (32 bits - x ignored, N is carry-over) new version: - partition: p p p p (4 bits) - carry-in : c c c c c (5 bits) - C = c & P: C C C C c (5 bits) - I = P=>c : I I I I c (5 bits) - a : AAAA AAAA AAAA AAAA AAAA (32 bits) - b : BBBB BBBB BBBB BBBB BBBB (32 bits) - exp-a : 0AAAACAAAACAAAACAAAACAAAAc (32+4+2 bits, P=1 if no partition) - exp-b : 0BBBBIBBBBIBBBBIBBBBIBBBBc (32+2 bits plus 4 zeros) - exp-o : o....oN...oN...oN...oN...x (32+4+2 bits - x to be discarded) - o : .... N... N... N... N... (32 bits - x ignored, N is carry-over) - carry-out: o o o o o (5 bits) + partition: p p p (3 bits) + carry-in : c c c c (4 bits) + C = c & P: C C C c (4 bits) + I = P=>c : I I I c (4 bits) + a : AAAA AAAA AAAA AAAA (32 bits) + b : BBBB BBBB BBBB BBBB (32 bits) + exp-a : 0AAAACAAAACAAAACAAAAc (32+3+2 bits, P=1 if no partition) + exp-b : 0BBBBIBBBBIBBBBIBBBBc (32+2 bits plus 3 zeros) + exp-o : o....oN...oN...oN...x (32+3+2 bits - x to be discarded) + o : .... N... N... N... (32 bits - x ignored, N is carry-over) + carry-out: o o o o (4 bits) the new version -- 2.30.2