lyra2v2: improve cubehash with uint2

Algo256/cuda_cubehash256.cu

@@ -9,6 +9,12 @@
 #define LROT(x, bits) __funnelshift_l(x, x, bits)
 #endif
 
+#if __CUDA_ARCH__ < 500
+#define TPB 576
+#else
+#define TPB 1024
+#endif
+
 #define ROTATEUPWARDS7(a)  LROT(a,7)
 #define ROTATEUPWARDS11(a) LROT(a,11)
 
@@ -186,19 +192,65 @@ void Final(uint32_t x[2][2][2][2][2], uint32_t *hashval)
 	hash_fromx(hashval, x);
 }
 
+#if __CUDA_ARCH__ >= 500
+
+__global__	__launch_bounds__(TPB, 1)
+void cubehash256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *g_hash)
+{
+	uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
+	if (thread < threads)
+	{
+		uint2 Hash[4];
+
+		Hash[0] = __ldg(&g_hash[thread]);
+		Hash[1] = __ldg(&g_hash[thread + 1 * threads]);
+		Hash[2] = __ldg(&g_hash[thread + 2 * threads]);
+		Hash[3] = __ldg(&g_hash[thread + 3 * threads]);
+
+		uint32_t x[2][2][2][2][2] =
+		{
+			0xEA2BD4B4, 0xCCD6F29F, 0x63117E71, 0x35481EAE,
+			0x22512D5B, 0xE5D94E63, 0x7E624131, 0xF4CC12BE,
+			0xC2D0B696, 0x42AF2070, 0xD0720C35, 0x3361DA8C,
+			0x28CCECA4, 0x8EF8AD83, 0x4680AC00, 0x40E5FBAB,
+			0xD89041C3, 0x6107FBD5, 0x6C859D41, 0xF0B26679,
+			0x09392549, 0x5FA25603, 0x65C892FD, 0x93CB6285,
+			0x2AF2B5AE, 0x9E4B4E60, 0x774ABFDD, 0x85254725,
+			0x15815AEB, 0x4AB6AAD6, 0x9CDAF8AF, 0xD6032C0A
+		};
+
+		x[0][0][0][0][0] ^= Hash[0].x;
+		x[0][0][0][0][1] ^= Hash[0].y;
+		x[0][0][0][1][0] ^= Hash[1].x;
+		x[0][0][0][1][1] ^= Hash[1].y;
+		x[0][0][1][0][0] ^= Hash[2].x;
+		x[0][0][1][0][1] ^= Hash[2].y;
+		x[0][0][1][1][0] ^= Hash[3].x;
+		x[0][0][1][1][1] ^= Hash[3].y;
+
+		rrounds(x);
+		x[0][0][0][0][0] ^= 0x80U;
+		rrounds(x);
+
+		Final(x, (uint32_t*) Hash);
+
+		g_hash[thread] =               Hash[0];
+		g_hash[1 * threads + thread] = Hash[1];
+		g_hash[2 * threads + thread] = Hash[2];
+		g_hash[3 * threads + thread] = Hash[3];
+	}
+}
 
-// Die Hash-Funktion
-#if __CUDA_ARCH__ <500
-__global__	__launch_bounds__(576,1)
 #else
-__global__	__launch_bounds__(576,1)
-#endif
-void cubehash256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint64_t *g_hash)
+
+__global__	__launch_bounds__(TPB, 1)
+void cubehash256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *d_hash)
 {
 	uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
 	if (thread < threads)
 	{
-        uint32_t Hash[8]; // = &g_hash[16 * hashPosition];
+		uint32_t Hash[8];
+		uint64_t* g_hash = (uint64_t*) d_hash;
 
 		LOHI(Hash[0], Hash[1], __ldg(&g_hash[thread]));
 		LOHI(Hash[2], Hash[3], __ldg(&g_hash[thread + 1 * threads]));
@@ -239,14 +291,15 @@ void cubehash256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint64_t *g
 	}
 }
 
+#endif
 
 __host__
 void cubehash256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *d_hash, int order)
 {
-	uint32_t tpb = 576;
+	uint32_t tpb = TPB;
 
 	dim3 grid((threads + tpb-1)/tpb);
 	dim3 block(tpb);
 
-    cubehash256_gpu_hash_32 <<<grid, block>>> (threads, startNounce, d_hash);
+	cubehash256_gpu_hash_32 <<<grid, block>>> (threads, startNounce, (uint2*) d_hash);
 }

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([ccminer], [1.6.6])
+AC_INIT([ccminer], [1.6.7-dev])
 
 AC_PREREQ([2.59c])
 AC_CANONICAL_SYSTEM

lyra2/cuda_lyra2v2.cu

@@ -78,12 +78,16 @@ void reduceDuplex(vectype state[4], uint32_t thread)
 		uint32_t s1 = ps1 + i*memshift;
 		uint32_t s2 = ps2 - i*memshift;
 
+		#pragma unroll
 		for (int j = 0; j < 3; j++)
 			state1[j] = __ldg4(&(DMatrix+s1)[j]);
 
 		for (int j = 0; j < 3; j++)
 			state[j] ^= state1[j];
+
 		round_lyra_v35(state);
+
+		#pragma unroll
 		for (int j = 0; j < 3; j++)
 			state1[j] ^= state[j];
 
@@ -353,6 +357,7 @@ void lyra2v2_gpu_hash_32_v3(uint32_t threads, uint32_t startNounce, uint2 *outpu
 
 		for (int i = 0; i<12; i++)
 			round_lyra_v35(state);
+
 		state[0] ^= shuffle4(((vectype*)padding)[0], 0);
 		state[1] ^= shuffle4(((vectype*)padding)[1], 0);
 
@@ -497,9 +502,10 @@ __global__ void lyra2v2_gpu_hash_32_v3(uint32_t threads, uint32_t startNounce, u
 #endif
 
 __host__
-void lyra2v2_cpu_init(int thr_id, uint32_t threads,uint64_t *hash)
+void lyra2v2_cpu_init(int thr_id, uint32_t threads, uint64_t *d_hash2)
 {
-	cudaMemcpyToSymbol(DMatrix, &hash, sizeof(hash), 0, cudaMemcpyHostToDevice);
+	// just assign the device pointer allocated in main loop
+	cudaMemcpyToSymbol(DMatrix, &d_hash2, sizeof(uint64_t*), 0, cudaMemcpyHostToDevice);
 }
 
 __host__