Start eliminating SIGMA index lookups.

diff --git a/src/lib/workers/powgpu.ts b/src/lib/workers/powgpu.ts
index 29f341cadef0f441890b09689898d775567c331b..87ca02f454421f325251c3637cd7d7f5e3bfba86 100644 (file)
--- a/src/lib/workers/powgpu.ts
+++ b/src/lib/workers/powgpu.ts
@@ -70,21 +70,22 @@ export class PowGpu extends WorkerInterface {
                * These are offsets into the input data buffer for each mixing step.
                * They are multiplied by 2 from the original SIGMA values in
                * the C reference implementation, which refered to uint64s.
+               *
+               * const SIGMA82: array<u32, 192> = array<u32, 192>(
+               *       0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
+               *       28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
+               *       22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
+               *       14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
+               *       18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
+               *       4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
+               *       24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
+               *       26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
+               *       12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
+               *       20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
+               *       0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
+               *       28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
+               * );
                */
-               const SIGMA82: array<u32, 192> = array<u32, 192>(
-                       0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
-                       28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
-                       22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
-                       14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
-                       18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
-                       4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
-                       24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
-                       26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
-                       12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
-                       20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
-                       0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
-                       28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-               );
 
                /**
                * G Mixing function
@@ -280,16 +281,19 @@ export class PowGpu extends WorkerInterface {
                        /**
                        * Twelve rounds of mixing as part of BLAKE2b compression step
                        */
+               // 0-15         20u,22u,24u,26u,28u,30u
                        // ROUND(0)
-                       G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[0u], SIGMA82[1u]);
-                       G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[2u], SIGMA82[3u]);
-                       G(&v, &m, 4u, 12u, 20u, 28u, SIGMA82[4u], SIGMA82[5u]);
-                       G(&v, &m, 6u, 14u, 22u, 30u, SIGMA82[6u], SIGMA82[7u]);
-                       G(&v, &m, 0u, 10u, 20u, 30u, SIGMA82[8u], SIGMA82[9u]);
-                       G(&v, &m, 2u, 12u, 22u, 24u, SIGMA82[10u], SIGMA82[11u]);
+                       G(&v, &m, 0u, 8u, 16u, 24u, 0u, 2u);
+                       G(&v, &m, 2u, 10u, 18u, 26u, 4u, 6u);
+                       G(&v, &m, 4u, 12u, 20u, 28u, 8u, 10u);
+                       G(&v, &m, 6u, 14u, 22u, 30u, 12u, 14u);
+                       G(&v, &m, 0u, 10u, 20u, 30u, 16u, 18u);
+                       G(&v, &m, 2u, 12u, 22u, 24u, 20u, 22u);
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[12u], SIGMA82[13u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[14u], SIGMA82[15u]);
 
+               // 16-31        28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
+
                        // ROUND(1)
        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[16u], SIGMA82[17u]);
          G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[18u], SIGMA82[19u]);
@@ -300,6 +304,9 @@ export class PowGpu extends WorkerInterface {
        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[28u], SIGMA82[29u]);
            G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[30u], SIGMA82[31u]);
 
+
+               // 32-47        22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u
+
                        // ROUND(2)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[32u], SIGMA82[33u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[34u], SIGMA82[35u]);
@@ -310,6 +317,11 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[44u], SIGMA82[45u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[46u], SIGMA82[47u]);
 
+
+
+
+               // 48-63        14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u
+
                        // ROUND(3)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[48u], SIGMA82[49u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[50u], SIGMA82[51u]);
@@ -320,6 +332,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[60u], SIGMA82[61u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[62u], SIGMA82[63u]);
 
+
+
+               // 64-79        18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u
+
                        // ROUND(4)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[64u], SIGMA82[65u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[66u], SIGMA82[67u]);
@@ -330,6 +346,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[76u], SIGMA82[77u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[78u], SIGMA82[79u]);
 
+
+
+               // 80-95        4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u
+
                        // ROUND(5)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[80u], SIGMA82[81u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[82u], SIGMA82[83u]);
@@ -340,6 +360,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[92u], SIGMA82[93u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[94u], SIGMA82[95u]);
 
+
+
+               // 96-111       24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u
+
                        // ROUND(6)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[96u], SIGMA82[97u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[98u], SIGMA82[99u]);
@@ -350,6 +374,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[108u], SIGMA82[109u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[110u], SIGMA82[111u]);
 
+
+
+               // 112-127      26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u
+
                        // ROUND(7)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[112u], SIGMA82[113u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[114u], SIGMA82[115u]);
@@ -360,6 +388,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[124u], SIGMA82[125u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[126u], SIGMA82[127u]);
 
+
+
+               // 128-143      12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u
+
                        // ROUND(8)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[128u], SIGMA82[129u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[130u], SIGMA82[131u]);
@@ -370,6 +402,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[140u], SIGMA82[141u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[142u], SIGMA82[143u]);
 
+
+
+               // 144-159      20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u
+
                        // ROUND(9)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[144u], SIGMA82[145u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[146u], SIGMA82[147u]);
@@ -380,6 +416,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[156u], SIGMA82[157u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[158u], SIGMA82[159u]);
 
+
+
+               // 160-175      0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u
+
                        // ROUND(10)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[160u], SIGMA82[161u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[162u], SIGMA82[163u]);
@@ -390,6 +430,10 @@ export class PowGpu extends WorkerInterface {
                        G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[172u], SIGMA82[173u]);
                        G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[174u], SIGMA82[175u]);
 
+
+
+               // 176-191      28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
+
                        // ROUND(11)
                        G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[176u], SIGMA82[177u]);
                        G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[178u], SIGMA82[179u]);