Aditya Atluri
411 líneas
14 KiB
C++
411 líneas
14 KiB
C++
/*
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Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/**
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* @file hcc_detail/hip_runtime.h
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* @brief Contains definitions of APIs for HIP runtime.
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*/
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#pragma once
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//---
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// Top part of file can be compiled with any compiler
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//#include <cstring>
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//#include <cmath>
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#include <string.h>
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#include <stddef.h>
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#define CUDA_SUCCESS hipSuccess
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#include <hip_runtime_api.h>
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//#include "hcc_detail/hip_hcc.h"
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//---
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// Remainder of this file only compiles with HCC
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#ifdef __HCC__
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//#if __cplusplus
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#include <hc.hpp>
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//#endif
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#include <grid_launch.h>
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extern int HIP_TRACE_API;
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//TODO-HCC-GL - change this to typedef.
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//typedef grid_launch_parm hipLaunchParm ;
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#define hipLaunchParm grid_launch_parm
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#include <hcc_detail/hip_texture.h>
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#include <hcc_detail/host_defines.h>
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// TODO-HCC remove old definitions ; ~1602 hcc supports __HCC_ACCELERATOR__ define.
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#if defined (__KALMAR_ACCELERATOR__) && !defined (__HCC_ACCELERATOR__)
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#define __HCC_ACCELERATOR__ __KALMAR_ACCELERATOR__
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#endif
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// Feature tests:
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#if defined(__HCC_ACCELERATOR__) && (__HCC_ACCELERATOR__ != 0)
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// Device compile and not host compile:
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//TODO-HCC enable __HIP_ARCH_HAS_ATOMICS__ when HCC supports these.
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// 32-bit Atomics:
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#define __HIP_ARCH_HAS_GLOBAL_INT32_ATOMICS__ (1)
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#define __HIP_ARCH_HAS_GLOBAL_FLOAT_ATOMIC_EXCH__ (1)
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#define __HIP_ARCH_HAS_SHARED_INT32_ATOMICS__ (1)
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#define __HIP_ARCH_HAS_SHARED_FLOAT_ATOMIC_EXCH__ (1)
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#define __HIP_ARCH_HAS_FLOAT_ATOMIC_ADD__ (0)
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// 64-bit Atomics:
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#define __HIP_ARCH_HAS_GLOBAL_INT64_ATOMICS__ (1)
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#define __HIP_ARCH_HAS_SHARED_INT64_ATOMICS__ (0)
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// Doubles
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#define __HIP_ARCH_HAS_DOUBLES__ (1)
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//warp cross-lane operations:
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#define __HIP_ARCH_HAS_WARP_VOTE__ (1)
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#define __HIP_ARCH_HAS_WARP_BALLOT__ (1)
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#define __HIP_ARCH_HAS_WARP_SHUFFLE__ (1)
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#define __HIP_ARCH_HAS_WARP_FUNNEL_SHIFT__ (0)
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//sync
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#define __HIP_ARCH_HAS_THREAD_FENCE_SYSTEM__ (0)
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#define __HIP_ARCH_HAS_SYNC_THREAD_EXT__ (0)
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// misc
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#define __HIP_ARCH_HAS_SURFACE_FUNCS__ (0)
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#define __HIP_ARCH_HAS_3DGRID__ (1)
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#define __HIP_ARCH_HAS_DYNAMIC_PARALLEL__ (0)
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#endif
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//TODO-HCC this is currently ignored by HCC target of HIP
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#define __launch_bounds__(requiredMaxThreadsPerBlock, minBlocksPerMultiprocessor)
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// Detect if we are compiling C++ mode or C mode
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#if defined(__cplusplus)
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#define __HCC_CPP__
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#elif defined(__STDC_VERSION__)
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#define __HCC_C__
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#endif
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// TODO - hipify-clang - change to use the function call.
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//#define warpSize hc::__wavesize()
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extern const int warpSize;
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#define clock_t long long int
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__device__ long long int clock64();
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__device__ clock_t clock();
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//atomicAdd()
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__device__ int atomicAdd(int* address, int val);
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__device__ unsigned int atomicAdd(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicAdd(unsigned long long int* address,
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unsigned long long int val);
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__device__ float atomicAdd(float* address, float val);
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//atomicSub()
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__device__ int atomicSub(int* address, int val);
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__device__ unsigned int atomicSub(unsigned int* address,
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unsigned int val);
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//atomicExch()
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__device__ int atomicExch(int* address, int val);
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__device__ unsigned int atomicExch(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicExch(unsigned long long int* address,
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unsigned long long int val);
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__device__ float atomicExch(float* address, float val);
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//atomicMin()
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__device__ int atomicMin(int* address, int val);
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__device__ unsigned int atomicMin(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicMin(unsigned long long int* address,
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unsigned long long int val);
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//atomicMax()
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__device__ int atomicMax(int* address, int val);
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__device__ unsigned int atomicMax(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicMax(unsigned long long int* address,
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unsigned long long int val);
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//atomicCAS()
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__device__ int atomicCAS(int* address, int compare, int val);
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__device__ unsigned int atomicCAS(unsigned int* address,
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unsigned int compare,
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unsigned int val);
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__device__ unsigned long long int atomicCAS(unsigned long long int* address,
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unsigned long long int compare,
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unsigned long long int val);
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//atomicAnd()
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__device__ int atomicAnd(int* address, int val);
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__device__ unsigned int atomicAnd(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicAnd(unsigned long long int* address,
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unsigned long long int val);
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//atomicOr()
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__device__ int atomicOr(int* address, int val);
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__device__ unsigned int atomicOr(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicOr(unsigned long long int* address,
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unsigned long long int val);
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//atomicXor()
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__device__ int atomicXor(int* address, int val);
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__device__ unsigned int atomicXor(unsigned int* address,
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unsigned int val);
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__device__ unsigned long long int atomicXor(unsigned long long int* address,
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unsigned long long int val);
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#include <hc.hpp>
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// integer intrinsic function __poc __clz __ffs __brev
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__device__ unsigned int __popc( unsigned int input);
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__device__ unsigned int __popcll( unsigned long long int input);
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__device__ unsigned int __clz(unsigned int input);
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__device__ unsigned int __clzll(unsigned long long int input);
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__device__ unsigned int __clz(int input);
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__device__ unsigned int __clzll(long long int input);
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__device__ unsigned int __ffs(unsigned int input);
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__device__ unsigned int __ffsll(unsigned long long int input);
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__device__ unsigned int __ffs(int input);
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__device__ unsigned int __ffsll(long long int input);
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__device__ unsigned int __brev( unsigned int input);
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__device__ unsigned long long int __brevll( unsigned long long int input);
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// warp vote function __all __any __ballot
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__device__ int __all( int input);
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__device__ int __any( int input);
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__device__ unsigned long long int __ballot( int input);
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// warp shuffle functions
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#ifdef __cplusplus
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__device__ int __shfl(int input, int lane, int width=warpSize);
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__device__ int __shfl_up(int input, unsigned int lane_delta, int width=warpSize);
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__device__ int __shfl_down(int input, unsigned int lane_delta, int width=warpSize);
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__device__ int __shfl_xor(int input, int lane_mask, int width=warpSize);
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__device__ float __shfl(float input, int lane, int width=warpSize);
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__device__ float __shfl_up(float input, unsigned int lane_delta, int width=warpSize);
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__device__ float __shfl_down(float input, unsigned int lane_delta, int width=warpSize);
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__device__ float __shfl_xor(float input, int lane_mask, int width=warpSize);
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#else
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__device__ int __shfl(int input, int lane, int width);
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__device__ int __shfl_up(int input, unsigned int lane_delta, int width);
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__device__ int __shfl_down(int input, unsigned int lane_delta, int width);
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__device__ int __shfl_xor(int input, int lane_mask, int width);
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__device__ float __shfl(float input, int lane, int width);
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__device__ float __shfl_up(float input, unsigned int lane_delta, int width);
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__device__ float __shfl_down(float input, unsigned int lane_delta, int width);
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__device__ float __shfl_xor(float input, int lane_mask, int width);
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#endif
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#include <hc_math.hpp>
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// TODO: Choose whether default is precise math or fast math based on compilation flag.
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#ifdef __HCC_ACCELERATOR__
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using namespace hc::precise_math;
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#endif
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//TODO: Undo this once min/max functions are supported by hc
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inline int min(int arg1, int arg2) __attribute((hc,cpu)) { \
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return (int)(hc::precise_math::fmin((float)arg1, (float)arg2));}
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inline int max(int arg1, int arg2) __attribute((hc,cpu)) { \
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return (int)(hc::precise_math::fmax((float)arg1, (float)arg2));}
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//TODO - add a couple fast math operations here, the set here will grow :
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__device__ float __cosf(float x);
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__device__ float __expf(float x);
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__device__ float __frsqrt_rn(float x);
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__device__ float __fsqrt_rd(float x);
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__device__ float __fsqrt_rn(float x);
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__device__ float __fsqrt_ru(float x);
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__device__ float __fsqrt_rz(float x);
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__device__ float __log10f(float x);
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__device__ float __log2f(float x);
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__device__ float __logf(float x);
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__device__ float __powf(float base, float exponent);
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__device__ void __sincosf(float x, float *s, float *c) ;
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__device__ float __sinf(float x);
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__device__ float __tanf(float x);
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__device__ float __dsqrt_rd(double x);
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__device__ float __dsqrt_rn(double x);
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__device__ float __dsqrt_ru(double x);
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__device__ float __dsqrt_rz(double x);
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/**
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* Kernel launching
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*/
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#if __hcc_workweek__ >= 16123
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#define hipThreadIdx_x (amp_get_local_id(0))
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#define hipThreadIdx_y (amp_get_local_id(1))
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#define hipThreadIdx_z (amp_get_local_id(2))
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#define hipBlockIdx_x (hc_get_group_id(0))
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#define hipBlockIdx_y (hc_get_group_id(1))
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#define hipBlockIdx_z (hc_get_group_id(2))
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#define hipBlockDim_x (amp_get_local_size(0))
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#define hipBlockDim_y (amp_get_local_size(1))
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#define hipBlockDim_z (amp_get_local_size(2))
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#define hipGridDim_x (hc_get_num_groups(0))
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#define hipGridDim_y (hc_get_num_groups(1))
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#define hipGridDim_z (hc_get_num_groups(2))
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#else
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#define hipThreadIdx_x (amp_get_local_id(2))
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#define hipThreadIdx_y (amp_get_local_id(1))
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#define hipThreadIdx_z (amp_get_local_id(0))
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#define hipBlockIdx_x (hc_get_group_id(2))
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#define hipBlockIdx_y (hc_get_group_id(1))
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#define hipBlockIdx_z (hc_get_group_id(0))
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#define hipBlockDim_x (amp_get_local_size(2))
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#define hipBlockDim_y (amp_get_local_size(1))
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#define hipBlockDim_z (amp_get_local_size(0))
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#define hipGridDim_x (hc_get_num_groups(2))
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#define hipGridDim_y (hc_get_num_groups(1))
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#define hipGridDim_z (hc_get_num_groups(0))
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#endif
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#define __syncthreads() hc_barrier(CLK_LOCAL_MEM_FENCE)
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#define HIP_KERNEL_NAME(...) __VA_ARGS__
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#ifdef __HCC_CPP__
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hipStream_t ihipPreLaunchKernel(hipStream_t stream, hc::accelerator_view **av);
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void ihipPostLaunchKernel(hipStream_t stream, hc::completion_future &cf);
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// TODO - move to common header file.
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#define KNRM "\x1B[0m"
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#define KGRN "\x1B[32m"
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#if not defined(DISABLE_GRID_LAUNCH)
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#define hipLaunchKernel(_kernelName, _numBlocks3D, _blockDim3D, _groupMemBytes, _stream, ...) \
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do {\
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grid_launch_parm lp;\
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lp.gridDim.x = _numBlocks3D.x; \
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lp.gridDim.y = _numBlocks3D.y; \
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lp.gridDim.z = _numBlocks3D.z; \
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lp.groupDim.x = _blockDim3D.x; \
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lp.groupDim.y = _blockDim3D.y; \
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lp.groupDim.z = _blockDim3D.z; \
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lp.groupMemBytes = _groupMemBytes;\
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hc::completion_future cf;\
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lp.cf = &cf; \
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hipStream_t trueStream = (ihipPreLaunchKernel(_stream, &lp.av)); \
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if (HIP_TRACE_API) {\
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fprintf(stderr, KGRN "<<hip-api: hipLaunchKernel '%s' gridDim:[%d.%d.%d] groupDim:[%d.%d.%d] groupMem:+%d stream=%p\n" KNRM, \
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#_kernelName, lp.gridDim.z, lp.gridDim.y, lp.gridDim.x, lp.groupDim.z, lp.groupDim.y, lp.groupDim.x, lp.groupMemBytes, (void*)(_stream));\
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}\
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_kernelName (lp, __VA_ARGS__);\
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ihipPostLaunchKernel(trueStream, cf);\
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} while(0)
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#else
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#warning(DISABLE_GRID_LAUNCH set)
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#define hipLaunchKernel(_kernelName, _numBlocks3D, _blockDim3D, _groupMemBytes, _stream, ...) \
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do {\
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grid_launch_parm lp;\
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lp.gridDim.x = _numBlocks3D.x * _blockDim3D.x;/*Convert from #blocks to #threads*/ \
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lp.gridDim.y = _numBlocks3D.y * _blockDim3D.y;/*Convert from #blocks to #threads*/ \
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lp.gridDim.z = _numBlocks3D.z * _blockDim3D.z;/*Convert from #blocks to #threads*/ \
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lp.groupDim.x = _blockDim3D.x; \
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lp.groupDim.y = _blockDim3D.y; \
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lp.groupDim.z = _blockDim3D.z; \
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lp.groupMemBytes = _groupMemBytes;\
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hc::completion_future cf;\
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lp.cf = &cf; \
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hipStream_t trueStream = (ihipPreLaunchKernel(_stream, &lp.av)); \
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if (HIP_TRACE_API) {\
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fprintf(stderr, "==hip-api: launch '%s' gridDim:[%d.%d.%d] groupDim:[%d.%d.%d] groupMem:+%d stream=%p\n", \
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#_kernelName, lp.gridDim.z, lp.gridDim.y, lp.gridDim.x, lp.groupDim.z, lp.groupDim.y, lp.groupDim.x, lp.groupMemBytes, (void*)(_stream));\
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}\
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_kernelName (lp, __VA_ARGS__);\
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ihipPostLaunchKernel(trueStream, cf);\
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} while(0)
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/*end hipLaunchKernel */
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#endif
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#elif defined (__HCC_C__)
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//TODO - develop C interface.
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#endif
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#endif // __HCC__
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/**
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* @defgroup HIP-ENV HIP Environment Variables
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* @{
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*/
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//extern int HIP_PRINT_ENV ; ///< Print all HIP-related environment variables.
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//extern int HIP_TRACE_API; ///< Trace HIP APIs.
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//extern int HIP_LAUNCH_BLOCKING ; ///< Make all HIP APIs host-synchronous
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/**
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* @}
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*/
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// End doxygen API:
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/**
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* @}
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*/
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