From 6a92acb7e1bbbe09c3830fa42872de3d8d5bdfdf Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 4 Jun 2022 17:30:31 +0100 Subject: [PATCH] --- openpower/sv/remap.mdwn | 86 ++++++----------------------------------- 1 file changed, 12 insertions(+), 74 deletions(-) diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn index 07d6c57ae..16b40dee8 100644 --- a/openpower/sv/remap.mdwn +++ b/openpower/sv/remap.mdwn @@ -223,85 +223,23 @@ Fields: * **XO** - standard 5-bit XO field ``` -# set schedule up for multiply -if (SVRM = 0b0000) then - # VL in Matrix Multiply is xd*yd*zd - n <- (0b00 || SVxd) * (0b00 || SVyd) * (0b00 || SVzd) - vlen[0:6] <- n[14:20] - # set up template in SVSHAPE0, then copy to 1-3 - SVSHAPE0[0:5] <- (0b0 || SVxd) # xdim - SVSHAPE0[6:11] <- (0b0 || SVyd) # ydim - SVSHAPE0[12:17] <- (0b0 || SVzd) # zdim - SVSHAPE0[28:29] <- 0b11 # skip z - # copy - SVSHAPE1[0:31] <- SVSHAPE0[0:31] - SVSHAPE2[0:31] <- SVSHAPE0[0:31] - SVSHAPE3[0:31] <- SVSHAPE0[0:31] - # set up FRA - SVSHAPE1[18:20] <- 0b001 # permute x,z,y - SVSHAPE1[28:29] <- 0b01 # skip z - # FRC - SVSHAPE2[18:20] <- 0b001 # permute x,z,y - SVSHAPE2[28:29] <- 0b11 # skip y -# set schedule up for FFT butterfly -if (SVRM = 0b0001) then - # calculate O(N log2 N) - n <- [0] * 3 - do while n < 5 - if SVxd[4-n] = 0 then - leave - n <- n + 1 - n <- ((0b0 || SVxd) + 1) * n - vlen[0:6] <- n[1:7] - # set up template in SVSHAPE0, then copy to 1-3 - # for FRA and FRT - SVSHAPE0[0:5] <- (0b0 || SVxd) # xdim - SVSHAPE0[30:31] <- 0b01 # Butterfly mode - # copy - SVSHAPE1[0:31] <- SVSHAPE0[0:31] - SVSHAPE2[0:31] <- SVSHAPE0[0:31] - # set up FRB and FRS - SVSHAPE1[28:29] <- 0b01 # j+halfstep schedule - # FRC (coefficients) - SVSHAPE2[28:29] <- 0b10 # k schedule -# set schedule up for (i)DCT Inner butterfly -if ((SVRM = 0b0010) | (SVRM = 0b0100) | - (SVRM = 0b1010) | (SVRM = 0b1100)) then - # calculate O(N log2 N) - n <- [0] * 3 - do while n < 5 - if SVxd[4-n] = 0 then - leave - n <- n + 1 - n <- ((0b0 || SVxd) + 1) * n - vlen[0:6] <- n[1:7] - # set up template in SVSHAPE0, then copy to 1-3 - # set up FRB and FRS - SVSHAPE0[0:5] <- (0b0 || SVxd) # xdim - if (SVRM = 0b1010) | (SVRM = 0b1100) then - SVSHAPE0[30:31] <- 0b11 # iDCT mode - SVSHAPE0[18:20] <- 0b011 # iDCT Inner Butterfly sub-mode - else - SVSHAPE0[30:31] <- 0b01 # DCT mode - SVSHAPE0[18:20] <- 0b001 # DCT Inner Butterfly sub-mode - SVSHAPE0[21:23] <- 0b001 # "inverse" on outer loop - if (SVRM = 0b1100) | (SVRM = 0b0100) then - SVSHAPE0[6:11] <- 0b000011 # (i)DCT Inner Butterfly mode 4 - else - SVSHAPE0[6:11] <- 0b000001 # (i)DCT Inner Butterfly mode 2 # set schedule up for iDCT / DCT inverse of half-swapped ordering if (SVRM = 0b0110) | (SVRM = 0b1110) | (SVRM = 0b1111) then vlen[0:6] <- (0b00 || SVxd) + 0b0000001 ``` - | 0b0010 | DCT Inner butterfly, pre-calculated coefficients | - | 0b0110 | iDCT Inner butterfly, pre-calculated coefficients | - | 0b0100 | DCT Inner butterfly, on-the-fly (Vertical-First Mode) | - | 0b1100 | iDCT Inner butterfly, on-the-fly (Vertical-First Mode) | - | 0b0011 | DCT Outer butterfly | - | 0b1011 | (i)DCT Outer butterfly | - | 0b0101 | iDCT COS table generation | - | 0b1101 | DCT COS table generation | +| SVRM | Remap Mode description | +| -- | -- | +| 0b0000 | Matrix 1/2/3D | +| 0b0001 | FFT Butterfly | +| 0b0010 | DCT Inner butterfly, pre-calculated coefficients | +| 0b0110 | iDCT Inner butterfly, pre-calculated coefficients | +| 0b0100 | DCT Inner butterfly, on-the-fly (Vertical-First Mode) | +| 0b1100 | iDCT Inner butterfly, on-the-fly (Vertical-First Mode) | +| 0b0011 | DCT Outer butterfly | +| 0b1011 | (i)DCT Outer butterfly | +| 0b0101 | iDCT COS table generation | +| 0b1101 | DCT COS table generation | # 4x4 Matrix to vec4 Multiply Example -- 2.30.2