Annotation of /trunk/src/lib/cl-target/clinfo.h

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1 :	jhr	1671	/*! \file clinfo.h
2 :			*
3 :			* \author John Reppy
4 :			*/
5 :
6 :			/*
7 :			* COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
8 :			* All rights reserved.
9 :			*/
10 :
11 :			#ifndef _CLINFO_H_
12 :			#define _CLINFO_H_
13 :
14 :	lamonts	2060	#define NVIDIA_VENDOR_ID 4318
15 :			#define AMD_VENDOR_ID 4098
16 :
17 :	jhr	1671	#include "Diderot/diderot.h"
18 :			# ifdef HAVE_CL_CL_H
19 :			# include <CL/cl.h>
20 :			# elif defined(HAVE_OPENCL_CL_H)
21 :			# include <OpenCL/cl.h>
22 :			# else
23 :			# error no cl.h
24 :			# endif
25 :
26 :			typedef struct {
27 :			char *name; //!< name of device
28 :			char *vendor; //!< device vendor
29 :			int majorVersion; //!< major OpenCL version number supported by the device
30 :			int minorVersion; //!< minor OpenCL version number supported by the device
31 :	lamonts	2060	cl_uint vendorId; //!< A unique device vndeo identifier.
32 :	jhr	1671	cl_device_id id; //!< the device ID
33 :			cl_device_type ty; //!< the type of the device
34 :			cl_bool isAvail; //!< true, if the device is available
35 :			cl_uint addrBits; //!< number of address bits on device (32 or 64)
36 :			cl_bool littleEndian; //!< true if device is little endian
37 :			cl_uint numCUs; //!< number of compute units
38 :			cl_uint cuWidth; //!< width of a compute unit; this value is determined
39 :			//! by looking at the device type and vendor string.
40 :			cl_uint maxConstArgs; //!< maximum number of __constant arguments
41 :			cl_uint maxWIDims; //!< maximum number of work item dimensions
42 :			size_t maxWGSize; //!< maximum workgroup size
43 :			size_t *maxWISize; //!< maximum number of work items in each dimension
44 :			cl_ulong globalMemSzb; //!< the size of the device's global memory
45 :			cl_ulong localMemSzb; //!< the size of the device's local memory
46 :			size_t maxParamSzb; //!< the maximum size in bytes of the kernel arguments
47 :			cl_ulong maxConstBufSzb; //!< maximum size of a constant buffer
48 :			cl_ulong maxAllocSzb; //!< maximum allocation size in bytes
49 :			size_t maxImg2D[2]; //!< maximum width and height of 2D images
50 :			size_t maxImg3D[3]; //!< maximim width, height, and depthe of 3D images
51 :			// prefered vector widths by type:
52 :			cl_uint charWid; //!< prefered width of char vectors
53 :			cl_uint shortWid; //!< prefered width of short vectors
54 :			cl_uint intWid; //!< prefered width of int vectors
55 :			cl_uint longWid; //!< prefered width of long vectors
56 :			cl_uint floatWid; //!< prefered width of float vectors
57 :			cl_uint doubleWid; //!< prefered width of double vectors
58 :			//! (0 if doubles are not supported)
59 :			} DeviceInfo_t;
60 :
61 :			typedef struct {
62 :			char *name; //!< name of platform
63 :			cl_platform_id id; //! the platform ID
64 :			int numDevices; //!< number of devices supported by platform
65 :			DeviceInfo_t *devices; //!< array of devices
66 :			} PlatformInfo_t;
67 :
68 :			typedef struct {
69 :			int numPlatforms; //!< number of platforms supported by system
70 :			PlatformInfo_t *platforms; //!< array of supported platforms.
71 :			} CLInfo_t;
72 :
73 :			/*! \brief return information about the OpenCL support of the system.
74 :			* \return pointer to a CLInfo_t structure or 0 if there is an error.
75 :			*/
76 :			CLInfo_t *GetCLInfo ();
77 :
78 :			/*! \brief print the CL profile information to an output stream.
79 :			*/
80 :			void PrintCLInfo (FILE *outS, CLInfo_t *clinfo);
81 :
82 :			/*! \brief check to see if a device is a GPU */
83 :			STATIC_INLINE bool isGPUDevice (DeviceInfo_t *dev)
84 :			{
85 :			return ((dev->ty & CL_DEVICE_TYPE_GPU) != 0);
86 :			}
87 :
88 :			/*! \brief check to see if a device is a CPU */
89 :			STATIC_INLINE bool isCPUDevice (DeviceInfo_t *dev)
90 :			{
91 :			return ((dev->ty & CL_DEVICE_TYPE_CPU) != 0);
92 :			}
93 :
94 :			#endif /* !_CLINFO_H_ */

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