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Blaise Tine
2019-11-25 04:54:41 -05:00
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benchmarks/opencl/nearn/clutils.h Executable file
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/****************************************************************************\
* Copyright (c) 2011, Advanced Micro Devices, Inc. *
* All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* *
* Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* *
* Redistributions in binary form must reproduce the above copyright notice, *
* this list of conditions and the following disclaimer in the documentation *
* and/or other materials provided with the distribution. *
* *
* Neither the name of the copyright holder nor the names of its contributors *
* may be used to endorse or promote products derived from this software *
* without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR *
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR *
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
* *
* If you use the software (in whole or in part), you shall adhere to all *
* applicable U.S., European, and other export laws, including but not *
* limited to the U.S. Export Administration Regulations (“EAR”), (15 C.F.R. *
* Sections 730 through 774), and E.U. Council Regulation (EC) No 1334/2000 *
* of 22 June 2000. Further, pursuant to Section 740.6 of the EAR, you *
* hereby certify that, except pursuant to a license granted by the United *
* States Department of Commerce Bureau of Industry and Security or as *
* otherwise permitted pursuant to a License Exception under the U.S. Export *
* Administration Regulations ("EAR"), you will not (1) export, re-export or *
* release to a national of a country in Country Groups D:1, E:1 or E:2 any *
* restricted technology, software, or source code you receive hereunder, *
* or (2) export to Country Groups D:1, E:1 or E:2 the direct product of such *
* technology or software, if such foreign produced direct product is subject *
* to national security controls as identified on the Commerce Control List *
*(currently found in Supplement 1 to Part 774 of EAR). For the most current *
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\****************************************************************************/
#ifndef __CL_UTILS_H__
#define __CL_UTILS_H__
#include <CL/cl.h>
// The cl_time type is OS specific
#ifdef _WIN32
#include <tchar.h>
#include <Windows.h>
typedef __int64 cl_time;
#else
#include <sys/time.h>
typedef double cl_time;
#endif
//-------------------------------------------------------
// Initialization and Cleanup
//-------------------------------------------------------
// Detects platforms and devices, creates context and command queue
cl_context cl_init(char devicePreference='\0');
// Creates a context given a platform and a device
cl_context cl_init_context(int platform,int dev,int quiet=0);
// Releases resources used by clutils
void cl_cleanup();
// Releases a kernel object
void cl_freeKernel(cl_kernel kernel);
// Releases a memory object
void cl_freeMem(cl_mem mem);
// Releases a program object
void cl_freeProgram(cl_program program);
// Returns the global command queue
cl_command_queue cl_getCommandQueue();
//-------------------------------------------------------
// Synchronization functions
//-------------------------------------------------------
// Performs a clFinish on the command queue
void cl_sync();
//-------------------------------------------------------
// Memory allocation
//-------------------------------------------------------
// Allocates a regular buffer on the device
cl_mem cl_allocBuffer(size_t mem_size,
cl_mem_flags flags = CL_MEM_READ_WRITE);
// XXX I don't think this does exactly what we want it to do
// Allocates a read-only buffer and transfers the data
cl_mem cl_allocBufferConst(size_t mem_size, void* host_ptr);
// Allocates pinned memory on the host
cl_mem cl_allocBufferPinned(size_t mem_size);
// Allocates an image on the device
cl_mem cl_allocImage(size_t height, size_t width, char type,
cl_mem_flags flags = CL_MEM_READ_WRITE);
//-------------------------------------------------------
// Data transfers
//-------------------------------------------------------
// Copies a buffer from the device to pinned memory on the host and
// maps it so it can be read
void* cl_copyAndMapBuffer(cl_mem dst, cl_mem src, size_t size);
// Copies from one buffer to another
void cl_copyBufferToBuffer(cl_mem dst, cl_mem src, size_t size);
// Copies data to a buffer on the device
void cl_copyBufferToDevice(cl_mem dst, void *src, size_t mem_size,
cl_bool blocking = CL_TRUE);
// Copies data to an image on the device
void cl_copyImageToDevice(cl_mem dst, void* src, size_t height, size_t width);
// Copies an image from the device to the host
void cl_copyImageToHost(void* dst, cl_mem src, size_t height, size_t width);
// Copies data from a device buffer to the host
void cl_copyBufferToHost(void *dst, cl_mem src, size_t mem_size,
cl_bool blocking = CL_TRUE);
// Copies data from a buffer on the device to an image on the device
void cl_copyBufferToImage(cl_mem src, cl_mem dst, int height, int width);
// Maps a buffer
void* cl_mapBuffer(cl_mem mem, size_t mem_size, cl_mem_flags flags);
// Unmaps a buffer
void cl_unmapBuffer(cl_mem mem, void *ptr);
// Writes data to a zero-copy buffer on the device
void cl_writeToZCBuffer(cl_mem mem, void* data, size_t size);
//-------------------------------------------------------
// Program and kernels
//-------------------------------------------------------
// Compiles a program
cl_program cl_compileProgram(char* kernelPath, char* compileoptions,
bool verboseoptions = 0);
// Creates a kernel
cl_kernel cl_createKernel(cl_program program, const char* kernelName);
// Sets a kernel argument
void cl_setKernelArg(cl_kernel kernel, unsigned int index, size_t size,
void* data);
//-------------------------------------------------------
// Profiling/events
//-------------------------------------------------------
// Computes the execution time (start to end) for an event
double cl_computeExecTime(cl_event);
// Compute the elapsed time between two CPU timer values
double cl_computeTime(cl_time start, cl_time end);
// Creates an event from CPU timers
void cl_createUserEvent(cl_time start, cl_time end, char* desc);
// Disable logging of events
void cl_disableEvents();
// Enable logging of events
void cl_enableEvents();
// Query the current system time
void cl_getTime(cl_time* time);
// Calls a function which prints events to the terminal
void cl_printEvents();
// Calls a function which writes the events to a file
void cl_writeEventsToFile(char* path);
//-------------------------------------------------------
// Error handling
//-------------------------------------------------------
// Compare a status value to CL_SUCCESS and optionally exit on error
int cl_errChk(const cl_int status, const char *msg, bool exitOnErr);
// Queries the supported image formats for the device and prints
// them to the screen
void printSupportedImageFormats();
//-------------------------------------------------------
// Platform and device information
//-------------------------------------------------------
bool cl_deviceIsAMD(cl_device_id dev=NULL);
bool cl_deviceIsNVIDIA(cl_device_id dev=NULL);
bool cl_platformIsNVIDIA(cl_platform_id plat=NULL);
char* cl_getDeviceDriverVersion(cl_device_id dev=NULL);
char* cl_getDeviceName(cl_device_id dev=NULL);
char* cl_getDeviceVendor(cl_device_id dev=NULL);
char* cl_getDeviceVersion(cl_device_id dev=NULL);
char* cl_getPlatformName(cl_platform_id platform);
char* cl_getPlatformVendor(cl_platform_id platform);
//-------------------------------------------------------
// Utility functions
//-------------------------------------------------------
char* catStringWithInt(const char* str, int integer);
char* itoa_portable(int value, char* result, int base);
//-------------------------------------------------------
// Data types
//-------------------------------------------------------
typedef struct{
int x;
int y;
} int2;
typedef struct{
float x;
float y;
}float2;
typedef struct{
float x;
float y;
float z;
float w;
}float4;
//-------------------------------------------------------
// Defines
//-------------------------------------------------------
#define MAX_ERR_VAL 64
#define NUM_PROGRAMS 7
#define NUM_KERNELS 13
#define KERNEL_INIT_DET 0
#define KERNEL_BUILD_DET 1
#define KERNEL_SURF_DESC 2
#define KERNEL_NORM_DESC 3
#define KERNEL_NON_MAX_SUP 4
#define KERNEL_GET_ORIENT1 5
#define KERNEL_GET_ORIENT2 6
#define KERNEL_NN 7
#define KERNEL_SCAN 8
#define KERNEL_SCAN4 9
#define KERNEL_TRANSPOSE 10
#define KERNEL_SCANIMAGE 11
#define KERNEL_TRANSPOSEIMAGE 12
#endif