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cuda_helper.h
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cuda_helper.h
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#ifndef CUDA_HELPER_H
#define CUDA_HELPER_H
#include <cuda.h>
#include <cuda_runtime.h>
#ifdef __cplusplus
#include <cstdint>
#include <cstdio>
using namespace std;
#else
#include <stdint.h>
#endif
#ifdef __INTELLISENSE__
#define NOASM
/* reduce vstudio warnings (__byteperm, blockIdx...) */
#include <device_functions.h>
#include <device_launch_parameters.h>
#define __launch_bounds__(max_tpb, min_blocks)
#define __CUDA_ARCH__ 610
uint32_t __byte_perm(uint32_t x, uint32_t y, uint32_t z);
uint32_t __shfl_sync(uint32_t w, uint32_t x, uint32_t y, uint32_t z);
uint32_t __shfl_up_sync(uint32_t w, uint32_t x, uint32_t y, uint32_t z);
uint32_t atomicExch(uint32_t *x, uint32_t y);
uint32_t atomicAdd(uint32_t *x, uint32_t y);
void __syncthreads(void);
void __threadfence(void);
#define __ldg(x) (*(x))
#endif
#ifndef MAX_GPUS
#define MAX_GPUS 16
#endif
extern int device_map[MAX_GPUS];
extern long device_sm[MAX_GPUS];
extern cudaStream_t gpustream[MAX_GPUS];
extern bool stop_mining;
extern volatile bool mining_has_stopped[MAX_GPUS];
extern bool opt_debug;
// common functions
extern void cuda_check_cpu_init(int thr_id, uint32_t threads);
extern void cuda_check_cpu_setTarget(const void *ptarget, int thr_id);
extern void cuda_check_cpu_setTarget_mod(const void *ptarget, const void *ptarget2);
extern uint32_t cuda_check_hash(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_inputHash);
extern uint32_t cuda_check_hash_suppl(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_inputHash, uint32_t foundnonce);
extern void cudaReportHardwareFailure(int thr_id, cudaError_t error, const char* func);
#ifndef __CUDA_ARCH__
// define blockDim and threadIdx for host
extern const dim3 blockDim;
extern const uint3 threadIdx;
#endif
extern cudaError_t MyStreamSynchronize(cudaStream_t stream, int situation, int thr_id);
// Beginning of GPU Architecture definitions
inline int _ConvertSMVer2Cores(int major, int minor) {
// Defines for GPU Architecture types (using the SM version to determine
// the # of cores per SM
typedef struct {
int SM; // 0xMm (hexidecimal notation), M = SM Major version,
// and m = SM minor version
int Cores;
} sSMtoCores;
sSMtoCores nGpuArchCoresPerSM[] = {
{ 0x30, 192 },
{ 0x32, 192 },
{ 0x35, 192 },
{ 0x37, 192 },
{ 0x50, 128 },
{ 0x52, 128 },
{ 0x53, 128 },
{ 0x60, 64 },
{ 0x61, 128 },
{ 0x62, 128 },
{ 0x70, 64 },
{ 0x72, 64 },
{ 0x75, 64 },
{ -1, -1 } };
int index = 0;
while (nGpuArchCoresPerSM[index].SM != -1) {
if (nGpuArchCoresPerSM[index].SM == ((major << 4) + minor)) {
return nGpuArchCoresPerSM[index].Cores;
}
index++;
}
// If we don't find the values, we default use the previous one
// to run properly
/* printf(
"MapSMtoCores for SM %d.%d is undefined."
" Default to use %d Cores/SM\n",
major, minor, nGpuArchCoresPerSM[index - 1].Cores);*/
return nGpuArchCoresPerSM[index - 1].Cores;
}
#ifndef SPH_C32
#define SPH_C32(x) ((x ## U))
// #define SPH_C32(x) ((uint32_t)(x ## U))
#endif
#ifndef SPH_C64
#define SPH_C64(x) ((x ## ULL))
// #define SPH_C64(x) ((uint64_t)(x ## ULL))
#endif
#ifndef SPH_T32
#define SPH_T32(x) (x)
// #define SPH_T32(x) ((x) & SPH_C32(0xFFFFFFFF))
#endif
#ifndef SPH_T64
#define SPH_T64(x) (x)
// #define SPH_T64(x) ((x) & SPH_C64(0xFFFFFFFFFFFFFFFF))
#endif
static __device__ __forceinline__ int SHFL(int var, int src, int width = 32)
{
#if defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 300
#if CUDART_VERSION >= 9010
return __shfl_sync(0xffffffff, var, src, width);
#else
return __shfl(var, src, width);
#endif
#else
#endif
}
static __device__ __forceinline__ int SHFL_UP(int var, int src, int width = 32)
{
#if defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 300
#if CUDART_VERSION >= 9010
return __shfl_up_sync(0xffffffff, var, src, width);
#else
return __shfl_up(var, src, width);
#endif
#else
#endif
}
#if defined _MSC_VER && !defined __CUDA_ARCH__
#define ROTL32c(x, n) _rotl(x, n)
#define ROTR32c(x, n) _rotr(x, n)
#else
#define ROTL32c(x, n) ((x) << (n)) | ((x) >> (32 - (n)))
#define ROTR32c(x, n) ((x) >> (n)) | ((x) << (32 - (n)))
#endif
#ifndef __CUDA_ARCH__
#define ROTR32(x, n) ROTR32c(x, n)
#define ROTL32(x, n) ROTL32c(x, n)
#else
#if __CUDA_ARCH__ < 320
// Kepler (Compute 3.0)
static __device__ __forceinline__ uint32_t ROTR32(const uint32_t x, const uint32_t n)
{
return (x >> n) | (x << (32 - n));
}
static __device__ __forceinline__ uint32_t ROTL32(const uint32_t x, const uint32_t n)
{
return (x << n) | (x >> (32 - n));
}
#else
static __device__ __forceinline__ uint32_t ROTR32(const uint32_t x, const uint32_t n)
{
return __funnelshift_r(x, x, n);
}
static __device__ __forceinline__ uint32_t ROTL32(const uint32_t x, const uint32_t n)
{
return __funnelshift_l(x, x, n);
}
#endif
#endif
// #define NOASM here if you don't want asm
#ifndef __CUDA_ARCH__
#define NOASM
#endif
#define MAKE_ULONGLONG(lo, hi) MAKE_UINT64(lo, hi)
static __device__ __forceinline__ uint64_t MAKE_UINT64(uint32_t LO, uint32_t HI)
{
#ifndef NOASM
uint64_t result;
asm("mov.b64 %0,{%1,%2}; \n\t"
: "=l"(result) : "r"(LO), "r"(HI));
return result;
#else
return LO + ((uint64_t)HI << 32);
#endif
}
static __device__ __forceinline__ uint64_t REPLACE_HIWORD(const uint64_t x, const uint32_t y)
{
#ifndef NOASM
uint64_t result;
asm(
"{\n\t"
".reg .u32 t,t2; \n\t"
"mov.b64 {t2,t},%1; \n\t"
"mov.b64 %0,{t2,%2}; \n\t"
"}" : "=l"(result) : "l"(x), "r"(y)
);
return result;
#else
return (x & 0xffffffff) + ((uint64_t)y << 32);
#endif
}
static __device__ __forceinline__ uint64_t REPLACE_LOWORD(const uint64_t x, const uint32_t y)
{
#ifndef NOASM
uint64_t result;
asm(
"{\n\t"
".reg .u32 t,t2; \n\t"
"mov.b64 {t2,t},%1; \n\t"
"mov.b64 %0,{%2,t}; \n\t"
"}" : "=l"(result) : "l"(x), "r"(y)
);
return result;
#else
return (x & 0xffffffff00000000) + y;
#endif
}
// endian change for 32bit
#ifdef __CUDA_ARCH__
static __device__ __forceinline__ uint32_t cuda_swab32(const uint32_t x)
{
/* device */
return __byte_perm(x, x, 0x0123);
}
#else
/* host */
#if defined __GNUC__ && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define cuda_swab32(x) __builtin_bswap32(x)
#else
#ifdef _MSC_VER
#define cuda_swab32(x) _byteswap_ulong(x)
#else
#define cuda_swab32(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000u) | (((x) >> 8) & 0x0000ff00u) | ((x) >> 24))
#endif
#endif
#endif
static __device__ uint32_t _HIWORD(const uint64_t x)
{
#ifndef NOASM
uint32_t result;
asm(
"{\n\t"
".reg .u32 xl; \n\t"
"mov.b64 {xl,%0},%1; \n\t"
"}" : "=r"(result) : "l"(x)
);
return result;
#else
return x >> 32;
#endif
}
static __device__ uint32_t _LOWORD(const uint64_t x)
{
#ifndef NOASM
uint32_t result;
asm(
"{\n\t"
".reg .u32 xh; \n\t"
"mov.b64 {%0,xh},%1; \n\t"
"}" : "=r"(result) : "l"(x)
);
return result;
#else
return x & 0xffffffff;
#endif
}
// endian change for 64bit
#if (defined __CUDA_ARCH__ && !defined NOASM)
static __device__ __forceinline__ uint64_t cuda_swab64(uint64_t x)
{
uint64_t result;
uint2 t;
asm("mov.b64 {%0,%1},%2; \n\t"
: "=r"(t.x), "=r"(t.y) : "l"(x));
t.x=__byte_perm(t.x, 0, 0x0123);
t.y=__byte_perm(t.y, 0, 0x0123);
asm("mov.b64 %0,{%1,%2}; \n\t"
: "=l"(result) : "r"(t.y), "r"(t.x));
return result;
}
#else
/* host */
#if defined __GNUC__ && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define cuda_swab64(x) __builtin_bswap64(x)
#else
#ifdef _MSC_VER
#define cuda_swab64(x) _byteswap_uint64(x)
#else
#define cuda_swab64(x) \
((uint64_t)((((uint64_t)(x)) >> 56) | \
(((uint64_t)(x) & 0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(x) & 0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(x) & 0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(x) & 0x00000000ff000000ULL) << 8) | \
(((uint64_t)(x) & 0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(x) & 0x000000000000ff00ULL) << 40) | \
(((uint64_t)(x)) << 56)))
#endif
#endif
#endif
/*********************************************************************/
// Macros to catch CUDA errors in CUDA runtime calls
extern void proper_exit(int reason);
#define CUDA_SAFE_CALL(call) \
do { \
cudaError_t err = call; \
if (cudaSuccess != err) { \
fprintf(stderr, "GPU #%d: Cuda error in func '%s' at line %i : %s.\n", \
device_map[thr_id], __FUNCTION__, __LINE__, cudaGetErrorString(err) ); \
proper_exit(EXIT_FAILURE); \
} \
} while (0)
#define CUDA_CALL_OR_RET(call) do { \
cudaError_t err = call; \
if (cudaSuccess != err) { \
cudaReportHardwareFailure(thr_id, err, __FUNCTION__); \
return; \
} \
} while (0)
#define CUDA_CALL_OR_RET_X(call, ret) do { \
cudaError_t err = call; \
if (cudaSuccess != err) { \
cudaReportHardwareFailure(thr_id, err, __FUNCTION__); \
return ret; \
} \
} while (0)
/*********************************************************************/
#if (defined _WIN64 || defined NOASM)
#define USE_XOR_ASM_OPTS 0
#else
#define USE_XOR_ASM_OPTS 1
#endif
#if USE_XOR_ASM_OPTS
// device asm for whirpool
static __device__ __forceinline__
uint64_t xor1(const uint64_t a, const uint64_t b)
{
uint64_t result;
asm("xor.b64 %0, %1, %2;" : "=l"(result) : "l"(a), "l"(b));
return result;
}
#else
#define xor1(a,b) ((a) ^ (b))
#endif
#if USE_XOR_ASM_OPTS
// device asm for whirpool
static __device__ __forceinline__
uint64_t xor3(const uint64_t a, const uint64_t b, const uint64_t c)
{
uint64_t result;
asm("xor.b64 %0, %2, %3;\n\t"
"xor.b64 %0, %0, %1;\n\t"
/* output : input registers */
: "=l"(result) : "l"(a), "l"(b), "l"(c));
return result;
}
#else
#define xor3(a,b,c) ((a) ^ (b) ^ (c))
#endif
#if USE_XOR_ASM_OPTS
// device asm for whirpool
static __device__ __forceinline__
uint64_t xor8(const uint64_t a, const uint64_t b, const uint64_t c, const uint64_t d, const uint64_t e, const uint64_t f, const uint64_t g, const uint64_t h)
{
uint64_t result;
asm("xor.b64 %0, %1, %2;" : "=l"(result) : "l"(g) ,"l"(h));
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(f));
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(e));
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(d));
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(c));
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(b));
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(a));
return result;
}
#else
#define xor8(a,b,c,d,e,f,g,h) ((a)^(b)^(c)^(d)^(e)^(f)^(g)^(h))
#endif
// device asm for x17
static __device__ __forceinline__
uint64_t xandx(const uint64_t a, const uint64_t b, const uint64_t c)
{
uint64_t result;
#ifndef NOASM
asm("{\n\t"
".reg .u64 n;\n\t"
"xor.b64 %0, %2, %3;\n\t"
"and.b64 n, %0, %1;\n\t"
"xor.b64 %0, n, %3;"
"}\n"
: "=l"(result) : "l"(a), "l"(b), "l"(c));
#else
result = ((((b) ^ (c)) & (a)) ^ (c));
#endif
return result;
}
// device asm for x17
static __device__ __forceinline__
uint64_t andor(uint64_t a, uint64_t b, uint64_t c)
{
uint64_t result;
#ifndef NOASM
asm("{\n\t"
".reg .u64 m,n;\n\t"
"and.b64 m, %1, %2;\n\t"
" or.b64 n, %1, %2;\n\t"
"and.b64 %0, n, %3;\n\t"
" or.b64 %0, %0, m ;\n\t"
"}\n"
: "=l"(result) : "l"(a), "l"(b), "l"(c));
#else
result = (((a) & (b)) | (((a) | (b)) & (c)));
#endif
return result;
}
// device asm for x17
static __device__ __forceinline__
uint64_t shr_t64(uint64_t x, uint32_t n)
{
uint64_t result;
#ifndef NOASM
asm("shr.b64 %0,%1,%2;\n\t"
: "=l"(result) : "l"(x), "r"(n));
#else
result = x >> n;
#endif
return result;
}
// device asm for ?
static __device__ __forceinline__
uint64_t shl_t64(uint64_t x, uint32_t n)
{
uint64_t result;
#ifndef NOASM
asm("shl.b64 %0,%1,%2;\n\t"
: "=l"(result) : "l"(x), "r"(n));
#else
result = x << n;
#endif
return result;
}
#ifdef NOASM
#define USE_ROT_ASM_OPT 0
#endif
#ifndef USE_ROT_ASM_OPT
#if __CUDA_ARCH__ < 600
#define USE_ROT_ASM_OPT 1
#else
#define USE_ROT_ASM_OPT 0
#endif
#endif
// 64-bit ROTATE LEFT
#if __CUDA_ARCH__ >= 320 && USE_ROT_ASM_OPT == 1
static __device__ __forceinline__
uint64_t ROTL64(const uint64_t value, const int offset) {
uint2 result;
if(offset >= 32) {
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.x) : "r"(__double2loint(__longlong_as_double(value))), "r"(__double2hiint(__longlong_as_double(value))), "r"(offset));
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.y) : "r"(__double2hiint(__longlong_as_double(value))), "r"(__double2loint(__longlong_as_double(value))), "r"(offset));
} else {
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.x) : "r"(__double2hiint(__longlong_as_double(value))), "r"(__double2loint(__longlong_as_double(value))), "r"(offset));
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.y) : "r"(__double2loint(__longlong_as_double(value))), "r"(__double2hiint(__longlong_as_double(value))), "r"(offset));
}
return __double_as_longlong(__hiloint2double(result.y, result.x));
}
#elif __CUDA_ARCH__ >= 120 && USE_ROT_ASM_OPT == 2
static __device__ __forceinline__
uint64_t ROTL64(const uint64_t x, const int offset)
{
uint64_t result;
asm("{\n\t"
".reg .b64 lhs;\n\t"
".reg .u32 roff;\n\t"
"shl.b64 lhs, %1, %2;\n\t"
"sub.u32 roff, 64, %2;\n\t"
"shr.b64 %0, %1, roff;\n\t"
"add.u64 %0, lhs, %0;\n\t"
"}\n"
: "=l"(result) : "l"(x), "r"(offset));
return result;
}
#elif __CUDA_ARCH__ >= 320 && USE_ROT_ASM_OPT == 3
static __device__ __forceinline__
uint64_t ROTL64(const uint64_t x, const int offset)
{
uint64_t res;
asm("{\n\t"
".reg .u32 tl,th,vl,vh;\n\t"
".reg .pred p;\n\t"
"mov.b64 {tl,th}, %1;\n\t"
"shf.l.wrap.b32 vl, tl, th, %2;\n\t"
"shf.l.wrap.b32 vh, th, tl, %2;\n\t"
"setp.lt.u32 p, %2, 32;\n\t"
"@!p mov.b64 %0, {vl,vh};\n\t"
"@p mov.b64 %0, {vh,vl};\n\t"
"}"
: "=l"(res) : "l"(x) , "r"(offset)
);
return res;
}
#else
/* host */
#if defined _MSC_VER && !defined __CUDA_ARCH__
#define ROTL64(x, n) _rotl64(x, n)
#else
#ifdef __CUDA_ARCH__
__device__ __forceinline__
#else
static inline
#endif
uint64_t ROTL64(const uint64_t x, const uint8_t n)
{
return (x << n) | (x >> (64 - n));
}
#endif
#endif
#define ROTR64(x, n) ROTL64(x, 64-(n))
static __device__ __forceinline__
uint64_t SWAPDWORDS(uint64_t value)
{
#if __CUDA_ARCH__ >= 320 && !defined NOASM
uint2 temp;
asm("mov.b64 {%0, %1}, %2; ": "=r"(temp.x), "=r"(temp.y) : "l"(value));
asm("mov.b64 %0, {%1, %2}; ": "=l"(value) : "r"(temp.y), "r"(temp.x));
return value;
#else
return ROTL64(value, 32);
#endif
}
/* lyra2 - int2 operators */
static __device__ __forceinline__
void LOHI(uint32_t &lo, uint32_t &hi, uint64_t x)
{
#ifndef NOASM
asm("mov.b64 {%0,%1},%2; \n\t"
: "=r"(lo), "=r"(hi) : "l"(x));
#else
lo = x & 0xffffffff;
hi = x >> 32;
#endif
}
static __device__ __forceinline__ uint64_t devectorize(uint2 x)
{
#ifndef NOASM
uint64_t result;
asm("mov.b64 %0,{%1,%2}; \n\t"
: "=l"(result) : "r"(x.x), "r"(x.y));
return result;
#else
return x.x + ((uint64_t)x.y << 32);
#endif
}
static __device__ __forceinline__ uint2 vectorize(const uint64_t x)
{
#ifndef NOASM
uint2 result;
asm("mov.b64 {%0,%1},%2; \n\t"
: "=r"(result.x), "=r"(result.y) : "l"(x));
return result;
#else
return make_uint2(x & 0xffffffff, x >> 32);
#endif
}
static __device__ __forceinline__ uint2 vectorizelow(uint32_t v) {
uint2 result;
result.x = v;
result.y = 0;
return result;
}
static __device__ __forceinline__ uint2 vectorizehigh(uint32_t v) {
uint2 result;
result.x = 0;
result.y = v;
return result;
}
static __device__ __forceinline__ uint2 eorswap32(uint2 u, uint2 v)
{
uint2 result;
result.y = u.x ^ v.x;
result.x = u.y ^ v.y;
return result;
}
static __device__ __forceinline__ uint2 operator^ (uint2 a, uint32_t b) { return make_uint2(a.x^ b, a.y); }
static __device__ __forceinline__ uint2 operator^ (uint2 a, uint2 b) { return make_uint2(a.x ^ b.x, a.y ^ b.y); }
static __device__ __forceinline__ uint2 operator& (uint2 a, uint2 b) { return make_uint2(a.x & b.x, a.y & b.y); }
static __device__ __forceinline__ uint2 operator| (uint2 a, uint2 b) { return make_uint2(a.x | b.x, a.y | b.y); }
static __device__ __forceinline__ uint2 operator~ (uint2 a) { return make_uint2(~a.x, ~a.y); }
static __device__ __forceinline__ void operator^= (uint2 &a, uint2 b) { a = a ^ b; }
static __device__ __forceinline__ uint2 operator+ (uint2 a, uint2 b)
{
#ifndef NOASM
uint2 result;
asm("{\n\t"
"add.cc.u32 %0,%2,%4; \n\t"
"addc.u32 %1,%3,%5; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(b.x), "r"(b.y));
return result;
#else
return make_uint2(a.x + b.x, a.y + b.y);
#endif
}
static __device__ __forceinline__ uint2 operator+ (uint2 a, uint32_t b)
{
uint2 result;
asm("{\n\t"
"add.cc.u32 %0,%2,%4; \n\t"
"addc.u32 %1,%3,%5; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(b), "r"(0));
return result;
}
static __device__ __forceinline__ uint2 operator- (uint2 a, uint2 b)
{
#ifndef NOASM
uint2 result;
asm("{\n\t"
"sub.cc.u32 %0,%2,%4; \n\t"
"subc.u32 %1,%3,%5; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(b.x), "r"(b.y));
return result;
#else
return make_uint2(a.x - b.x, a.y - b.y);
#endif
}
static __device__ __forceinline__ uint4 operator+ (uint4 a, uint4 b)
{
return make_uint4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w);
}
static __device__ __forceinline__ uint4 operator^ (uint4 a, uint4 b) { return make_uint4(a.x ^ b.x, a.y ^ b.y, a.z ^ b.z, a.w ^ b.w); }
static __device__ __forceinline__ uint4 operator& (uint4 a, uint4 b) { return make_uint4(a.x & b.x, a.y & b.y, a.z & b.z, a.w & b.w); }
static __device__ __forceinline__ uint4 operator| (uint4 a, uint4 b) { return make_uint4(a.x | b.x, a.y | b.y, a.z | b.z, a.w | b.w); }
static __device__ __forceinline__ uint4 operator~ (uint4 a) { return make_uint4(~a.x, ~a.y, ~a.z, ~a.w); }
static __device__ __forceinline__ void operator^= (uint4 &a, uint4 b) { a = a ^ b; }
static __device__ __forceinline__ void operator+= (uint2 &a, uint2 b) { a = a + b; }
static __forceinline__ __device__ uchar4 operator^ (uchar4 a, uchar4 b){return make_uchar4(a.x ^ b.x, a.y ^ b.y, a.z ^ b.z, a.w ^ b.w);}
static __forceinline__ __device__ uchar4 operator+ (uchar4 a, uchar4 b){return make_uchar4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w);}
static __forceinline__ __device__ void operator^= (uchar4 &a, uchar4 b) { a = a ^ b; }
/**
* basic multiplication between 64bit no carry outside that range (ie mul.lo.b64(a*b))
* (what does uint64 "*" operator)
*/
static __device__ __forceinline__ uint2 operator* (uint2 a, uint2 b)
{
#ifndef NOASM
uint2 result;
asm("{\n\t"
"mul.lo.u32 %0,%2,%4; \n\t"
"mul.hi.u32 %1,%2,%4; \n\t"
"mad.lo.cc.u32 %1,%3,%4,%1; \n\t"
"madc.lo.u32 %1,%3,%5,%1; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(b.x), "r"(b.y));
return result;
#else
return vectorize(devectorize(a)*devectorize(b));
#endif
}
// uint2 method
#if __CUDA_ARCH__ >= 320 && !defined NOASM
static __device__ __inline__ uint2 ROR2(const uint2 a, const int offset)
{
uint2 result;
if (offset < 32) {
asm("shf.r.wrap.b32 %0, %1, %2, %3;" : "=r"(result.x) : "r"(a.x), "r"(a.y), "r"(offset));
asm("shf.r.wrap.b32 %0, %1, %2, %3;" : "=r"(result.y) : "r"(a.y), "r"(a.x), "r"(offset));
}
else {
asm("shf.r.wrap.b32 %0, %1, %2, %3;" : "=r"(result.x) : "r"(a.y), "r"(a.x), "r"(offset));
asm("shf.r.wrap.b32 %0, %1, %2, %3;" : "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(offset));
}
return result;
}
#else
static __device__ __inline__ uint2 ROR2(const uint2 v, const int n)
{
uint2 result;
if (n <= 32)
{
result.y = ((v.y >> (n)) | (v.x << (32 - n)));
result.x = ((v.x >> (n)) | (v.y << (32 - n)));
}
else
{
result.y = ((v.x >> (n - 32)) | (v.y << (64 - n)));
result.x = ((v.y >> (n - 32)) | (v.x << (64 - n)));
}
return result;
}
#endif
static __device__ __inline__ uint32_t ROL8(const uint32_t x)
{
return __byte_perm(x, x, 0x2103);
}
static __device__ __inline__ uint32_t ROL16(const uint32_t x)
{
return __byte_perm(x, x, 0x1032);
}
static __device__ __inline__ uint32_t ROL24(const uint32_t x)
{
return __byte_perm(x, x, 0x0321);
}
static __device__ __inline__ uint2 ROR8(const uint2 a)
{
uint2 result;
result.x = __byte_perm(a.y, a.x, 0x0765);
result.y = __byte_perm(a.y, a.x, 0x4321);
return result;
}
static __device__ __inline__ uint2 ROR16(const uint2 a)
{
uint2 result;
result.x = __byte_perm(a.y, a.x, 0x1076);
result.y = __byte_perm(a.y, a.x, 0x5432);
return result;
}
static __device__ __inline__ uint2 ROR24(const uint2 a)
{
uint2 result;
result.x = __byte_perm(a.y, a.x, 0x2107);
result.y = __byte_perm(a.y, a.x, 0x6543);
return result;
}
static __device__ __inline__ uint2 ROL8(const uint2 a)
{
uint2 result;
result.x = __byte_perm(a.y, a.x, 0x6543);
result.y = __byte_perm(a.y, a.x, 0x2107);
return result;
}
static __device__ __inline__ uint2 ROL16(const uint2 a)
{
uint2 result;
result.x = __byte_perm(a.y, a.x, 0x5432);
result.y = __byte_perm(a.y, a.x, 0x1076);
return result;
}
static __device__ __inline__ uint2 ROL24(const uint2 a)
{
uint2 result;
result.x = __byte_perm(a.y, a.x, 0x4321);
result.y = __byte_perm(a.y, a.x, 0x0765);
return result;
}
#if __CUDA_ARCH__ >= 320 && !defined NOASM
__inline__ static __device__ uint2 ROL2(const uint2 a, const int offset) {
uint2 result;
if (offset >= 32) {
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.x) : "r"(a.x), "r"(a.y), "r"(offset));
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.y) : "r"(a.y), "r"(a.x), "r"(offset));
}
else {
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.x) : "r"(a.y), "r"(a.x), "r"(offset));
asm("shf.l.wrap.b32 %0, %1, %2, %3;" : "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(offset));
}
return result;
}
#else
__inline__ static __device__ uint2 ROL2(const uint2 v, const int n)
{
uint2 result;
if (n <= 32)
{
result.y = ((v.y << (n)) | (v.x >> (32 - n)));
result.x = ((v.x << (n)) | (v.y >> (32 - n)));
}
else
{
result.y = ((v.x << (n - 32)) | (v.y >> (64 - n)));
result.x = ((v.y << (n - 32)) | (v.x >> (64 - n)));
}
return result;
}
#endif
static __device__ __forceinline__
uint64_t ROTR16(uint64_t x)
{
#if __CUDA_ARCH__ > 500 && !defined NOASM
short4 temp;
asm("mov.b64 { %0, %1, %2, %3 }, %4; ": "=h"(temp.x), "=h"(temp.y), "=h"(temp.z), "=h"(temp.w) : "l"(x));
asm("mov.b64 %0, {%1, %2, %3 , %4}; ": "=l"(x) : "h"(temp.y), "h"(temp.z), "h"(temp.w), "h"(temp.x));
return x;
#else
return ROTR64(x, 16);
#endif
}
static __device__ __forceinline__
uint64_t ROTL16(uint64_t x)
{
#if __CUDA_ARCH__ > 500 && !defined NOASM
short4 temp;
asm("mov.b64 { %0, %1, %2, %3 }, %4; ": "=h"(temp.x), "=h"(temp.y), "=h"(temp.z), "=h"(temp.w) : "l"(x));
asm("mov.b64 %0, {%1, %2, %3 , %4}; ": "=l"(x) : "h"(temp.w), "h"(temp.x), "h"(temp.y), "h"(temp.z));
return x;
#else
return ROTL64(x, 16);
#endif
}
static __device__ __forceinline__
uint2 SWAPINT2(uint2 x)
{
return(make_uint2(x.y, x.x));
}
static __device__ __forceinline__ bool cuda_hashisbelowtarget(const uint32_t *const __restrict__ hash, const uint32_t *const __restrict__ target)
{
if (hash[7] > target[7])
return false;
if (hash[7] < target[7])
return true;
if (hash[6] > target[6])
return false;
if (hash[6] < target[6])
return true;
if (hash[5] > target[5])
return false;
if (hash[5] < target[5])
return true;
if (hash[4] > target[4])
return false;
if (hash[4] < target[4])
return true;
if (hash[3] > target[3])
return false;
if (hash[3] < target[3])
return true;
if (hash[2] > target[2])
return false;
if (hash[2] < target[2])
return true;
if (hash[1] > target[1])
return false;
if (hash[1] < target[1])
return true;
if (hash[0] > target[0])
return false;
return true;
}
static __device__ __forceinline__
uint2 SWAPDWORDS2(uint2 value)
{
return make_uint2(value.y, value.x);
}
static __forceinline__ __device__ uint2 SHL2(const uint2 a, int offset)
{
uint2 result;
#if __CUDA_ARCH__ > 300 && !defined NOASM
if (offset<32)
{
asm("{\n\t"
"shf.l.clamp.b32 %1,%2,%3,%4; \n\t"
"shl.b32 %0,%2,%4; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(offset));
}
else {
asm("{\n\t"
"shf.l.clamp.b32 %1,%2,%3,%4; \n\t"
"shl.b32 %0,%2,%4; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.y), "r"(a.x), "r"(offset));
}
#else
if (offset<=32)
{
result.y = (a.y << offset) | (a.x >> (32 - offset));
result.x = (a.x << offset);
}
else
{
result.y = (a.x << (offset - 32));
result.x = 0;
}
#endif
return result;
}
static __forceinline__ __device__ uint2 SHR2(const uint2 a, int offset)
{
uint2 result;
#if __CUDA_ARCH__ >= 320 && !defined NOASM
if (offset<32) {
asm("{\n\t"
"shf.r.clamp.b32 %0,%2,%3,%4; \n\t"
"shr.b32 %1,%3,%4; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(offset));
}
else {
asm("{\n\t"
"shf.l.clamp.b32 %0,%2,%3,%4; \n\t"
"shl.b32 %1,%3,%4; \n\t"
"}\n\t"
: "=r"(result.x), "=r"(result.y) : "r"(a.y), "r"(a.x), "r"(offset));
}
#else
if (offset<=32)
{
result.x = (a.x >> offset) | (a.y << (32 - offset));
result.y = (a.y >> offset);
}
else
{
result.x = (a.y >> (offset - 32));
result.y = 0;
}
#endif
return result;
}
static __device__ __forceinline__ uint64_t devectorizeswap(uint2 v) { return MAKE_UINT64(cuda_swab32(v.y), cuda_swab32(v.x)); }
static __device__ __forceinline__ uint2 vectorizeswap(uint64_t v)
{
uint2 result;
LOHI(result.y, result.x, v);
result.x = cuda_swab32(result.x);
result.y = cuda_swab32(result.y);
return result;
}
static __device__ __forceinline__ uint2 cuda_swap(uint2 v)
{
uint32_t t = cuda_swab32(v.x);
v.x = cuda_swab32(v.y);
v.y = t;
return v;
}
static __device__ __forceinline__ uint32_t devectorize16(ushort2 x)
{