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/*
* Copyright 1993-2014 NVIDIA Corporation. All rights reserved.
*
* NOTICE TO LICENSEE:
*
* This source code and/or documentation ("Licensed Deliverables") are
* subject to NVIDIA intellectual property rights under U.S. and
* international Copyright laws.
*
* These Licensed Deliverables contained herein is PROPRIETARY and
* CONFIDENTIAL to NVIDIA and is being provided under the terms and
* conditions of a form of NVIDIA software license agreement by and
* between NVIDIA and Licensee ("License Agreement") or electronically
* accepted by Licensee. Notwithstanding any terms or conditions to
* the contrary in the License Agreement, reproduction or disclosure
* of the Licensed Deliverables to any third party without the express
* written consent of NVIDIA is prohibited.
*
* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
* LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
* SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS
* PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
* DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
* NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
* LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
* SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THESE LICENSED DELIVERABLES.
*
* U.S. Government End Users. These Licensed Deliverables are a
* "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
* 1995), consisting of "commercial computer software" and "commercial
* computer software documentation" as such terms are used in 48
* C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
* only as a commercial end item. Consistent with 48 C.F.R.12.212 and
* 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
* U.S. Government End Users acquire the Licensed Deliverables with
* only those rights set forth herein.
*
* Any use of the Licensed Deliverables in individual and commercial
* software must include, in the user documentation and internal
* comments to the code, the above Disclaimer and U.S. Government End
* Users Notice.
*/
#if !defined(__SM_30_INTRINSICS_HPP__)
#define __SM_30_INTRINSICS_HPP__
#if defined(__CUDACC_RTC__)
#define __SM_30_INTRINSICS_DECL__ __device__
#else /* !__CUDACC_RTC__ */
#define __SM_30_INTRINSICS_DECL__ static __device__ __inline__
#endif /* __CUDACC_RTC__ */
#if defined(__cplusplus) && defined(__CUDACC__)
#if defined(_NVHPC_CUDA) || !defined(__CUDA_ARCH__) || __CUDA_ARCH__ >= 300
/*******************************************************************************
* *
* *
* *
*******************************************************************************/
#include "cuda_runtime_api.h"
// In here are intrinsics which are built in to the compiler. These may be
// referenced by intrinsic implementations from this file.
extern "C"
{
}
/*******************************************************************************
* *
* Below are implementations of SM-3.0 intrinsics which are included as *
* source (instead of being built in to the compiler) *
* *
*******************************************************************************/
#if !defined warpSize && !defined __local_warpSize
#define warpSize 32
#define __local_warpSize
#endif
__SM_30_INTRINSICS_DECL__
unsigned __fns(unsigned mask, unsigned base, int offset) {
extern __device__ __device_builtin__ unsigned int __nvvm_fns(unsigned int mask, unsigned int base, int offset);
return __nvvm_fns(mask, base, offset);
}
__SM_30_INTRINSICS_DECL__
void __barrier_sync(unsigned id) {
extern __device__ __device_builtin__ void __nvvm_barrier_sync(unsigned id);
return __nvvm_barrier_sync(id);
}
__SM_30_INTRINSICS_DECL__
void __barrier_sync_count(unsigned id, unsigned cnt) {
extern __device__ __device_builtin__ void __nvvm_barrier_sync_cnt(unsigned id, unsigned cnt);
return __nvvm_barrier_sync_cnt(id, cnt);
}
__SM_30_INTRINSICS_DECL__
void __syncwarp(unsigned mask) {
extern __device__ __device_builtin__ void __nvvm_bar_warp_sync(unsigned mask);
return __nvvm_bar_warp_sync(mask);
}
__SM_30_INTRINSICS_DECL__
int __all_sync(unsigned mask, int pred) {
extern __device__ __device_builtin__ int __nvvm_vote_all_sync(unsigned int mask, int pred);
return __nvvm_vote_all_sync(mask, pred);
}
__SM_30_INTRINSICS_DECL__
int __any_sync(unsigned mask, int pred) {
extern __device__ __device_builtin__ int __nvvm_vote_any_sync(unsigned int mask, int pred);
return __nvvm_vote_any_sync(mask, pred);
}
__SM_30_INTRINSICS_DECL__
int __uni_sync(unsigned mask, int pred) {
extern __device__ __device_builtin__ int __nvvm_vote_uni_sync(unsigned int mask, int pred);
return __nvvm_vote_uni_sync(mask, pred);
}
__SM_30_INTRINSICS_DECL__
unsigned __ballot_sync(unsigned mask, int pred) {
extern __device__ __device_builtin__ unsigned int __nvvm_vote_ballot_sync(unsigned int mask, int pred);
return __nvvm_vote_ballot_sync(mask, pred);
}
__SM_30_INTRINSICS_DECL__
unsigned __activemask() {
unsigned ret;
asm volatile ("activemask.b32 %0;" : "=r"(ret));
return ret;
}
// These are removed starting with compute_70 and onwards
#if defined(_NVHPC_CUDA) || !defined(__CUDA_ARCH__) || __CUDA_ARCH__ < 700
__SM_30_INTRINSICS_DECL__ int __shfl(int var, int srcLane, int width) {
int ret;
int c = ((warpSize-width) << 8) | 0x1f;
asm volatile ("shfl.idx.b32 %0, %1, %2, %3;" : "=r"(ret) : "r"(var), "r"(srcLane), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl(unsigned int var, int srcLane, int width) {
return (unsigned int) __shfl((int)var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ int __shfl_up(int var, unsigned int delta, int width) {
int ret;
int c = (warpSize-width) << 8;
asm volatile ("shfl.up.b32 %0, %1, %2, %3;" : "=r"(ret) : "r"(var), "r"(delta), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_up(unsigned int var, unsigned int delta, int width) {
return (unsigned int) __shfl_up((int)var, delta, width);
}
__SM_30_INTRINSICS_DECL__ int __shfl_down(int var, unsigned int delta, int width) {
int ret;
int c = ((warpSize-width) << 8) | 0x1f;
asm volatile ("shfl.down.b32 %0, %1, %2, %3;" : "=r"(ret) : "r"(var), "r"(delta), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_down(unsigned int var, unsigned int delta, int width) {
return (unsigned int) __shfl_down((int)var, delta, width);
}
__SM_30_INTRINSICS_DECL__ int __shfl_xor(int var, int laneMask, int width) {
int ret;
int c = ((warpSize-width) << 8) | 0x1f;
asm volatile ("shfl.bfly.b32 %0, %1, %2, %3;" : "=r"(ret) : "r"(var), "r"(laneMask), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_xor(unsigned int var, int laneMask, int width) {
return (unsigned int) __shfl_xor((int)var, laneMask, width);
}
__SM_30_INTRINSICS_DECL__ float __shfl(float var, int srcLane, int width) {
float ret;
int c;
c = ((warpSize-width) << 8) | 0x1f;
asm volatile ("shfl.idx.b32 %0, %1, %2, %3;" : "=f"(ret) : "f"(var), "r"(srcLane), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ float __shfl_up(float var, unsigned int delta, int width) {
float ret;
int c;
c = (warpSize-width) << 8;
asm volatile ("shfl.up.b32 %0, %1, %2, %3;" : "=f"(ret) : "f"(var), "r"(delta), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ float __shfl_down(float var, unsigned int delta, int width) {
float ret;
int c;
c = ((warpSize-width) << 8) | 0x1f;
asm volatile ("shfl.down.b32 %0, %1, %2, %3;" : "=f"(ret) : "f"(var), "r"(delta), "r"(c));
return ret;
}
__SM_30_INTRINSICS_DECL__ float __shfl_xor(float var, int laneMask, int width) {
float ret;
int c;
c = ((warpSize-width) << 8) | 0x1f;
asm volatile ("shfl.bfly.b32 %0, %1, %2, %3;" : "=f"(ret) : "f"(var), "r"(laneMask), "r"(c));
return ret;
}
// 64-bits SHFL
__SM_30_INTRINSICS_DECL__ long long __shfl(long long var, int srcLane, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl(hi, srcLane, width);
lo = __shfl(lo, srcLane, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl(unsigned long long var, int srcLane, int width) {
return (unsigned long long) __shfl((long long) var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ long long __shfl_up(long long var, unsigned int delta, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_up(hi, delta, width);
lo = __shfl_up(lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_up(unsigned long long var, unsigned int delta, int width) {
return (unsigned long long) __shfl_up((long long) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long long __shfl_down(long long var, unsigned int delta, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_down(hi, delta, width);
lo = __shfl_down(lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_down(unsigned long long var, unsigned int delta, int width) {
return (unsigned long long) __shfl_down((long long) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long long __shfl_xor(long long var, int laneMask, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_xor(hi, laneMask, width);
lo = __shfl_xor(lo, laneMask, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_xor(unsigned long long var, int laneMask, int width) {
return (unsigned long long) __shfl_xor((long long) var, laneMask, width);
}
__SM_30_INTRINSICS_DECL__ double __shfl(double var, int srcLane, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl(hi, srcLane, width);
lo = __shfl(lo, srcLane, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ double __shfl_up(double var, unsigned int delta, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_up(hi, delta, width);
lo = __shfl_up(lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ double __shfl_down(double var, unsigned int delta, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_down(hi, delta, width);
lo = __shfl_down(lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ double __shfl_xor(double var, int laneMask, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_xor(hi, laneMask, width);
lo = __shfl_xor(lo, laneMask, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ long __shfl(long var, int srcLane, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl((long long) var, srcLane, width) :
__shfl((int) var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl(unsigned long var, int srcLane, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl((unsigned long long) var, srcLane, width) :
__shfl((unsigned int) var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ long __shfl_up(long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_up((long long) var, delta, width) :
__shfl_up((int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_up(unsigned long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_up((unsigned long long) var, delta, width) :
__shfl_up((unsigned int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long __shfl_down(long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_down((long long) var, delta, width) :
__shfl_down((int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_down(unsigned long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_down((unsigned long long) var, delta, width) :
__shfl_down((unsigned int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long __shfl_xor(long var, int laneMask, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_xor((long long) var, laneMask, width) :
__shfl_xor((int) var, laneMask, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_xor(unsigned long var, int laneMask, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_xor((unsigned long long) var, laneMask, width) :
__shfl_xor((unsigned int) var, laneMask, width);
}
#endif /* defined(_NVHPC_CUDA) || !defined(__CUDA_ARCH__) || __CUDA_ARCH__ < 700 */
// Warp register exchange (shuffle) intrinsics.
// Notes:
// a) Warp size is hardcoded to 32 here, because the compiler does not know
// the "warpSize" constant at this time
// b) we cannot map the float __shfl to the int __shfl because it'll mess with
// the register number (especially if you're doing two shfls to move a double).
__SM_30_INTRINSICS_DECL__ int __shfl_sync(unsigned mask, int var, int srcLane, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_idx_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c = ((warpSize-width) << 8) | 0x1f;
ret = __nvvm_shfl_idx_sync(mask, var, srcLane, c);
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_sync(unsigned mask, unsigned int var, int srcLane, int width) {
return (unsigned int) __shfl_sync(mask, (int)var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ int __shfl_up_sync(unsigned mask, int var, unsigned int delta, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_up_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c = (warpSize-width) << 8;
ret = __nvvm_shfl_up_sync(mask, var, delta, c);
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_up_sync(unsigned mask, unsigned int var, unsigned int delta, int width) {
return (unsigned int) __shfl_up_sync(mask, (int)var, delta, width);
}
__SM_30_INTRINSICS_DECL__ int __shfl_down_sync(unsigned mask, int var, unsigned int delta, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_down_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c = ((warpSize-width) << 8) | 0x1f;
ret = __nvvm_shfl_down_sync(mask, var, delta, c);
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_down_sync(unsigned mask, unsigned int var, unsigned int delta, int width) {
return (unsigned int) __shfl_down_sync(mask, (int)var, delta, width);
}
__SM_30_INTRINSICS_DECL__ int __shfl_xor_sync(unsigned mask, int var, int laneMask, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_bfly_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c = ((warpSize-width) << 8) | 0x1f;
ret = __nvvm_shfl_bfly_sync(mask, var, laneMask, c);
return ret;
}
__SM_30_INTRINSICS_DECL__ unsigned int __shfl_xor_sync(unsigned mask, unsigned int var, int laneMask, int width) {
return (unsigned int) __shfl_xor_sync(mask, (int)var, laneMask, width);
}
__SM_30_INTRINSICS_DECL__ float __shfl_sync(unsigned mask, float var, int srcLane, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_idx_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c;
c = ((warpSize-width) << 8) | 0x1f;
ret = __nvvm_shfl_idx_sync(mask, __float_as_int(var), srcLane, c);
return __int_as_float(ret);
}
__SM_30_INTRINSICS_DECL__ float __shfl_up_sync(unsigned mask, float var, unsigned int delta, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_up_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c;
c = (warpSize-width) << 8;
ret = __nvvm_shfl_up_sync(mask, __float_as_int(var), delta, c);
return __int_as_float(ret);
}
__SM_30_INTRINSICS_DECL__ float __shfl_down_sync(unsigned mask, float var, unsigned int delta, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_down_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c;
c = ((warpSize-width) << 8) | 0x1f;
ret = __nvvm_shfl_down_sync(mask, __float_as_int(var), delta, c);
return __int_as_float(ret);
}
__SM_30_INTRINSICS_DECL__ float __shfl_xor_sync(unsigned mask, float var, int laneMask, int width) {
extern __device__ __device_builtin__ unsigned __nvvm_shfl_bfly_sync(unsigned mask, unsigned a, unsigned b, unsigned c);
int ret;
int c;
c = ((warpSize-width) << 8) | 0x1f;
ret = __nvvm_shfl_bfly_sync(mask, __float_as_int(var), laneMask, c);
return __int_as_float(ret);
}
// 64-bits SHFL
__SM_30_INTRINSICS_DECL__ long long __shfl_sync(unsigned mask, long long var, int srcLane, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_sync(mask, hi, srcLane, width);
lo = __shfl_sync(mask, lo, srcLane, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_sync(unsigned mask, unsigned long long var, int srcLane, int width) {
return (unsigned long long) __shfl_sync(mask, (long long) var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ long long __shfl_up_sync(unsigned mask, long long var, unsigned int delta, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_up_sync(mask, hi, delta, width);
lo = __shfl_up_sync(mask, lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_up_sync(unsigned mask, unsigned long long var, unsigned int delta, int width) {
return (unsigned long long) __shfl_up_sync(mask, (long long) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long long __shfl_down_sync(unsigned mask, long long var, unsigned int delta, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_down_sync(mask, hi, delta, width);
lo = __shfl_down_sync(mask, lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_down_sync(unsigned mask, unsigned long long var, unsigned int delta, int width) {
return (unsigned long long) __shfl_down_sync(mask, (long long) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long long __shfl_xor_sync(unsigned mask, long long var, int laneMask, int width) {
int lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(var));
hi = __shfl_xor_sync(mask, hi, laneMask, width);
lo = __shfl_xor_sync(mask, lo, laneMask, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=l"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ unsigned long long __shfl_xor_sync(unsigned mask, unsigned long long var, int laneMask, int width) {
return (unsigned long long) __shfl_xor_sync(mask, (long long) var, laneMask, width);
}
__SM_30_INTRINSICS_DECL__ double __shfl_sync(unsigned mask, double var, int srcLane, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_sync(mask, hi, srcLane, width);
lo = __shfl_sync(mask, lo, srcLane, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ double __shfl_up_sync(unsigned mask, double var, unsigned int delta, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_up_sync(mask, hi, delta, width);
lo = __shfl_up_sync(mask, lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ double __shfl_down_sync(unsigned mask, double var, unsigned int delta, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_down_sync(mask, hi, delta, width);
lo = __shfl_down_sync(mask, lo, delta, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
__SM_30_INTRINSICS_DECL__ double __shfl_xor_sync(unsigned mask, double var, int laneMask, int width) {
unsigned lo, hi;
asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "d"(var));
hi = __shfl_xor_sync(mask, hi, laneMask, width);
lo = __shfl_xor_sync(mask, lo, laneMask, width);
asm volatile("mov.b64 %0, {%1,%2};" : "=d"(var) : "r"(lo), "r"(hi));
return var;
}
// long needs some help to choose between 32-bits and 64-bits
__SM_30_INTRINSICS_DECL__ long __shfl_sync(unsigned mask, long var, int srcLane, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_sync(mask, (long long) var, srcLane, width) :
__shfl_sync(mask, (int) var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_sync(unsigned mask, unsigned long var, int srcLane, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_sync(mask, (unsigned long long) var, srcLane, width) :
__shfl_sync(mask, (unsigned int) var, srcLane, width);
}
__SM_30_INTRINSICS_DECL__ long __shfl_up_sync(unsigned mask, long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_up_sync(mask, (long long) var, delta, width) :
__shfl_up_sync(mask, (int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_up_sync(unsigned mask, unsigned long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_up_sync(mask, (unsigned long long) var, delta, width) :
__shfl_up_sync(mask, (unsigned int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long __shfl_down_sync(unsigned mask, long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_down_sync(mask, (long long) var, delta, width) :
__shfl_down_sync(mask, (int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_down_sync(unsigned mask, unsigned long var, unsigned int delta, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_down_sync(mask, (unsigned long long) var, delta, width) :
__shfl_down_sync(mask, (unsigned int) var, delta, width);
}
__SM_30_INTRINSICS_DECL__ long __shfl_xor_sync(unsigned mask, long var, int laneMask, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_xor_sync(mask, (long long) var, laneMask, width) :
__shfl_xor_sync(mask, (int) var, laneMask, width);
}
__SM_30_INTRINSICS_DECL__ unsigned long __shfl_xor_sync(unsigned mask, unsigned long var, int laneMask, int width) {
return (sizeof(long) == sizeof(long long)) ?
__shfl_xor_sync(mask, (unsigned long long) var, laneMask, width) :
__shfl_xor_sync(mask, (unsigned int) var, laneMask, width);
}
#if defined(__local_warpSize)
#undef warpSize
#undef __local_warpSize
#endif
#endif /* _NVHPC_CUDA || !__CUDA_ARCH__ || __CUDA_ARCH__ >= 300 */
#endif /* __cplusplus && __CUDACC__ */
#undef __SM_30_INTRINSICS_DECL__
#endif /* !__SM_30_INTRINSICS_HPP__ */
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