keccak uint2 optimisation for SM>3.0 (x11 +40KH/s)

based on djm34 keccak 256-bit changes, and keep SM3.0 compat

affect most other algos too (quark, nist5, x13...)

quark/cuda_quark_keccak512.cu

@@ -24,14 +24,109 @@ static const uint64_t host_keccak_round_constants[24] = {
 	0x0000000080000001ull, 0x8000000080008008ull
 };
 
-__constant__ uint64_t c_keccak_round_constants[24];
+__constant__ uint64_t d_keccak_round_constants[24];
 
-static __device__ __forceinline__ void
-keccak_block(uint64_t *s, const uint32_t *in, const uint64_t *keccak_round_constants) {
+__device__ __forceinline__
+static void keccak_block(uint2 *s)
+{
+	size_t i;
+	uint2 t[5], u[5], v, w;
+
+	for (i = 0; i < 24; i++) {
+		/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */
+		t[0] = s[0] ^ s[5] ^ s[10] ^ s[15] ^ s[20];
+		t[1] = s[1] ^ s[6] ^ s[11] ^ s[16] ^ s[21];
+		t[2] = s[2] ^ s[7] ^ s[12] ^ s[17] ^ s[22];
+		t[3] = s[3] ^ s[8] ^ s[13] ^ s[18] ^ s[23];
+		t[4] = s[4] ^ s[9] ^ s[14] ^ s[19] ^ s[24];
+
+		/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */
+		u[0] = t[4] ^ ROL2(t[1], 1);
+		u[1] = t[0] ^ ROL2(t[2], 1);
+		u[2] = t[1] ^ ROL2(t[3], 1);
+		u[3] = t[2] ^ ROL2(t[4], 1);
+		u[4] = t[3] ^ ROL2(t[0], 1);
+
+		/* theta: a[0,i], a[1,i], .. a[4,i] ^= d[i] */
+		s[0] ^= u[0]; s[5] ^= u[0]; s[10] ^= u[0]; s[15] ^= u[0]; s[20] ^= u[0];
+		s[1] ^= u[1]; s[6] ^= u[1]; s[11] ^= u[1]; s[16] ^= u[1]; s[21] ^= u[1];
+		s[2] ^= u[2]; s[7] ^= u[2]; s[12] ^= u[2]; s[17] ^= u[2]; s[22] ^= u[2];
+		s[3] ^= u[3]; s[8] ^= u[3]; s[13] ^= u[3]; s[18] ^= u[3]; s[23] ^= u[3];
+		s[4] ^= u[4]; s[9] ^= u[4]; s[14] ^= u[4]; s[19] ^= u[4]; s[24] ^= u[4];
+
+		/* rho pi: b[..] = rotl(a[..], ..) */
+		v = s[1];
+		s[1]  = ROL2(s[6], 44);
+		s[6]  = ROL2(s[9], 20);
+		s[9]  = ROL2(s[22], 61);
+		s[22] = ROL2(s[14], 39);
+		s[14] = ROL2(s[20], 18);
+		s[20] = ROL2(s[2], 62);
+		s[2]  = ROL2(s[12], 43);
+		s[12] = ROL2(s[13], 25);
+		s[13] = ROL2(s[19], 8);
+		s[19] = ROL2(s[23], 56);
+		s[23] = ROL2(s[15], 41);
+		s[15] = ROL2(s[4], 27);
+		s[4]  = ROL2(s[24], 14);
+		s[24] = ROL2(s[21], 2);
+		s[21] = ROL2(s[8], 55);
+		s[8]  = ROL2(s[16], 45);
+		s[16] = ROL2(s[5], 36);
+		s[5]  = ROL2(s[3], 28);
+		s[3]  = ROL2(s[18], 21);
+		s[18] = ROL2(s[17], 15);
+		s[17] = ROL2(s[11], 10);
+		s[11] = ROL2(s[7], 6);
+		s[7]  = ROL2(s[10], 3);
+		s[10] = ROL2(v, 1);
+
+		/* chi: a[i,j] ^= ~b[i,j+1] & b[i,j+2] */
+		v = s[0]; w = s[1]; s[0] ^= (~w) & s[2]; s[1] ^= (~s[2]) & s[3]; s[2] ^= (~s[3]) & s[4]; s[3] ^= (~s[4]) & v; s[4] ^= (~v) & w;
+		v = s[5]; w = s[6]; s[5] ^= (~w) & s[7]; s[6] ^= (~s[7]) & s[8]; s[7] ^= (~s[8]) & s[9]; s[8] ^= (~s[9]) & v; s[9] ^= (~v) & w;
+		v = s[10]; w = s[11]; s[10] ^= (~w) & s[12]; s[11] ^= (~s[12]) & s[13]; s[12] ^= (~s[13]) & s[14]; s[13] ^= (~s[14]) & v; s[14] ^= (~v) & w;
+		v = s[15]; w = s[16]; s[15] ^= (~w) & s[17]; s[16] ^= (~s[17]) & s[18]; s[17] ^= (~s[18]) & s[19]; s[18] ^= (~s[19]) & v; s[19] ^= (~v) & w;
+		v = s[20]; w = s[21]; s[20] ^= (~w) & s[22]; s[21] ^= (~s[22]) & s[23]; s[22] ^= (~s[23]) & s[24]; s[23] ^= (~s[24]) & v; s[24] ^= (~v) & w;
+
+		/* iota: a[0,0] ^= round constant */
+		s[0] ^= vectorize(d_keccak_round_constants[i]);
+	}
+}
+
+__global__
+void quark_keccak512_gpu_hash_64(int threads, uint32_t startNounce, uint64_t *g_hash, uint32_t *g_nonceVector)
+{
+	int thread = (blockDim.x * blockIdx.x + threadIdx.x);
+	if (thread < threads)
+	{
+		uint32_t nounce = (g_nonceVector != NULL) ? g_nonceVector[thread] : (startNounce + thread);
+
+		int hashPosition = nounce - startNounce;
+		uint64_t *inpHash = &g_hash[8 * hashPosition];
+		uint2 keccak_gpu_state[25];
+
+		for (int i = 0; i<8; i++) {
+			keccak_gpu_state[i] = vectorize(inpHash[i]);
+		}
+		keccak_gpu_state[8] = vectorize(0x8000000000000001ULL);
+
+		for (int i=9; i<25; i++) {
+			keccak_gpu_state[i] = make_uint2(0, 0);
+		}
+		keccak_block(keccak_gpu_state);
+
+		for(int i=0; i<8; i++) {
+			inpHash[i] = devectorize(keccak_gpu_state[i]);
+		}
+	}
+}
+
+__device__ __forceinline__
+static void keccak_block_v30(uint64_t *s, const uint32_t *in)
+{
 	size_t i;
 	uint64_t t[5], u[5], v, w;
 
-    /* absorb input */
 	#pragma unroll 9
 	for (i = 0; i < 72 / 8; i++, in += 2)
 		s[i] ^= U32TO64_LE(in);
@@ -93,11 +188,12 @@ keccak_block(uint64_t *s, const uint32_t *in, const uint64_t *keccak_round_const
 		v = s[20]; w = s[21]; s[20] ^= (~w) & s[22]; s[21] ^= (~s[22]) & s[23]; s[22] ^= (~s[23]) & s[24]; s[23] ^= (~s[24]) & v; s[24] ^= (~v) & w;
 
 		/* iota: a[0,0] ^= round constant */
-        s[0] ^= keccak_round_constants[i];
+		s[0] ^= d_keccak_round_constants[i];
 	}
 }
 
-__global__ void quark_keccak512_gpu_hash_64(int threads, uint32_t startNounce, uint64_t *g_hash, uint32_t *g_nonceVector)
+__global__
+void quark_keccak512_gpu_hash_64_v30(int threads, uint32_t startNounce, uint64_t *g_hash, uint32_t *g_nonceVector)
 {
 	int thread = (blockDim.x * blockIdx.x + threadIdx.x);
 	if (thread < threads)
@@ -107,7 +203,6 @@ __global__ void quark_keccak512_gpu_hash_64(int threads, uint32_t startNounce, u
 		int hashPosition = nounce - startNounce;
 		uint32_t *inpHash = (uint32_t*)&g_hash[8 * hashPosition];
 
-        // Nachricht kopieren
 		uint32_t message[18];
 		#pragma unroll 16
 		for(int i=0;i<16;i++)
@@ -116,53 +211,47 @@ __global__ void quark_keccak512_gpu_hash_64(int threads, uint32_t startNounce, u
 		message[16] = 0x01;
 		message[17] = 0x80000000;
 
-        // State initialisieren
 		uint64_t keccak_gpu_state[25];
 		#pragma unroll 25
 		for (int i=0; i<25; i++)
 			keccak_gpu_state[i] = 0;
 
-        // den Block einmal gut durchschütteln
-        keccak_block(keccak_gpu_state, message, c_keccak_round_constants);
+		keccak_block_v30(keccak_gpu_state, message);
 
-        // das Hash erzeugen
 		uint32_t hash[16];
-
 		#pragma unroll 8
 		for (size_t i = 0; i < 64; i += 8) {
 			U64TO32_LE((&hash[i/4]), keccak_gpu_state[i / 8]);
 		}
 
-        // fertig
 		uint32_t *outpHash = (uint32_t*)&g_hash[8 * hashPosition];
-
 		#pragma unroll 16
 		for(int i=0; i<16; i++)
 			outpHash[i] = hash[i];
 	}
 }
 
-// Setup-Funktionen
-__host__ void quark_keccak512_cpu_init(int thr_id, int threads)
+__host__
+void quark_keccak512_cpu_init(int thr_id, int threads)
 {
-    // Kopiere die Hash-Tabellen in den GPU-Speicher
-    cudaMemcpyToSymbol( c_keccak_round_constants,
+	cudaMemcpyToSymbol( d_keccak_round_constants,
 						host_keccak_round_constants,
 						sizeof(host_keccak_round_constants),
 						0, cudaMemcpyHostToDevice);
 }
 
-__host__ void quark_keccak512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order)
+__host__
+void quark_keccak512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order)
 {
 	const int threadsperblock = 256;
 
-    // berechne wie viele Thread Blocks wir brauchen
 	dim3 grid((threads + threadsperblock-1)/threadsperblock);
 	dim3 block(threadsperblock);
 
-    // Größe des dynamischen Shared Memory Bereichs
-    size_t shared_size = 0;
+	if (device_sm[device_map[thr_id]] >= 320)
+		quark_keccak512_gpu_hash_64<<<grid, block>>>(threads, startNounce, (uint64_t*)d_hash, d_nonceVector);
+	else
+		quark_keccak512_gpu_hash_64_v30<<<grid, block>>>(threads, startNounce, (uint64_t*)d_hash, d_nonceVector);
 
-    quark_keccak512_gpu_hash_64<<<grid, block, shared_size>>>(threads, startNounce, (uint64_t*)d_hash, d_nonceVector);
 	MyStreamSynchronize(NULL, order, thr_id);
 }