[ViewVC] Diff of: cvs/OpenCL/OpenCL.pm

Comparing OpenCL/OpenCL.pm (file contents):
Revision 1.10 by root, Thu Nov 17 02:10:39 2011 UTC vs.
Revision 1.20 by root, Sun Nov 20 01:09:48 2011 UTC

…		…
18	vendors) - usually there is only one.	18	vendors) - usually there is only one.
19		19
20	Each platform gives you access to a number of OpenCL::Device objects, e.g.	20	Each platform gives you access to a number of OpenCL::Device objects, e.g.
21	your graphics card.	21	your graphics card.
22		22
23	From a platform and some devices, you create an OpenCL::Context, which is	23	From a platform and some device(s), you create an OpenCL::Context, which is
24	a very central object in OpenCL: Once you have a context you can create	24	a very central object in OpenCL: Once you have a context you can create
25	most other objects:	25	most other objects:
26		26
27	OpenCL::Program objects, which store source code and, after building	27	OpenCL::Program objects, which store source code and, after building for a
28	("compiling and linking"), also binary programs. For each kernel function	28	specific device ("compiling and linking"), also binary programs. For each
29	in a program you can then create an OpenCL::Kernel object which represents	29	kernel function in a program you can then create an OpenCL::Kernel object
30	basically a function call with argument values.	30	which represents basically a function call with argument values.
31		31
32	OpenCL::Memory objects of various flavours: OpenCL::Buffers objects (flat	32	OpenCL::Memory objects of various flavours: OpenCL::Buffer objects (flat
33	memory areas, think array) and OpenCL::Image objects (think 2d or 3d	33	memory areas, think arrays or structs) and OpenCL::Image objects (think 2d
34	array) for bulk data and input and output for kernels.	34	or 3d array) for bulk data and input and output for kernels.
35		35
36	OpenCL::Sampler objects, which are kind of like texture filter modes in	36	OpenCL::Sampler objects, which are kind of like texture filter modes in
37	OpenGL.	37	OpenGL.
38		38
39	OpenCL::Queue objects - command queues, which allow you to submit memory	39	OpenCL::Queue objects - command queues, which allow you to submit memory
…		…
52		52
53	OpenCL manpages:	53	OpenCL manpages:
54		54
55	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/	55	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/
56		56
		57	If you are into UML class diagrams, the following diagram might help - if
		58	not, it will be mildly cobfusing:
		59
		60	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/classDiagram.html
		61
		62	Here's a tutorial from AMD (very AMD-centric, too), not sure how useful it
		63	is, but at least it's free of charge:
		64
		65	http://developer.amd.com/zones/OpenCLZone/courses/Documents/Introduction_to_OpenCL_Programming%20Training_Guide%20%28201005%29.pdf
		66
		67	And here's NVIDIA's OpenCL Best Practises Guide:
		68
		69	http://developer.download.nvidia.com/compute/cuda/3_2/toolkit/docs/OpenCL_Best_Practices_Guide.pdf
		70
57	=head1 BASIC WORKFLOW	71	=head1 BASIC WORKFLOW
58		72
59	To get something done, you basically have to do this once:	73	To get something done, you basically have to do this once (refer to the
		74	examples below for actual code, this is just a high-level description):
60		75
61	Find some platform (e.g. the first one) and some device (e.g. the first	76	Find some platform (e.g. the first one) and some device(s) (e.g. the first
62	device you can find), and create a context from those.	77	device of the platform), and create a context from those.
63		78
64	Create a command queue from your context, and program objects from your	79	Create program objects from your OpenCL source code, then build (compile)
65	OpenCL source code, build the programs.	80	the programs for each device you want to run them on.
66		81
67	Create kernel objects for all kernels you want to use.	82	Create kernel objects for all kernels you want to use (surprisingly, these
		83	are not device-specific).
68		84
69	Then, to execute stuff, you repeat this:	85	Then, to execute stuff, you repeat these steps, possibly resuing or
		86	sharing some buffers:
70		87
71	Create some input and output buffers from your context. Initialise the	88	Create some input and output buffers from your context. Set these as
72	input buffers with data. Set these as arguments to your kernel.	89	arguments to your kernel.
		90
		91	Enqueue buffer writes to initialise your input buffers (when not
		92	initialised at creation time).
73		93
74	Enqueue the kernel execution.	94	Enqueue the kernel execution.
75		95
76	Enqueue buffer reads for your output buffer to read results.	96	Enqueue buffer reads for your output buffer to read results.
77		97
78	The next section shows how this can be done.
79
80	=head1 EXAMPLES	98	=head1 EXAMPLES
81		99
82	=head2 Enumerate all devices and get contexts for them.	100	=head2 Enumerate all devices and get contexts for them.
		101
		102	Best run this once to get a feel for the platforms and devices in your
		103	system.
83		104
84	for my $platform (OpenCL::platforms) {	105	for my $platform (OpenCL::platforms) {
85	printf "platform: %s\n", $platform->info (OpenCL::PLATFORM_NAME);	106	printf "platform: %s\n", $platform->info (OpenCL::PLATFORM_NAME);
86	printf "extensions: %s\n", $platform->info (OpenCL::PLATFORM_EXTENSIONS);	107	printf "extensions: %s\n", $platform->info (OpenCL::PLATFORM_EXTENSIONS);
87	for my $device ($platform->devices) {	108	for my $device ($platform->devices) {
…		…
91	}	112	}
92	}	113	}
93		114
94	=head2 Get a useful context and a command queue.	115	=head2 Get a useful context and a command queue.
95		116
96	my $dev = ((OpenCL::platforms)[0]->devices)[0];	117	This is a useful boilerplate for any OpenCL program that only wants to use
97	my $ctx = $dev->context;	118	one device,
98	my $queue = $ctx->queue ($dev);	119
		120	my ($platform) = OpenCL::platforms; # find first platform
		121	my ($dev) = $platform->devices; # find first device of platform
		122	my $ctx = $platform->context (undef, [$dev]); # create context out of those
		123	my $queue = $ctx->queue ($dev); # create a command queue for the device
99		124
100	=head2 Print all supported image formats of a context.	125	=head2 Print all supported image formats of a context.
		126
		127	Best run this once for your context, to see whats available and how to
		128	gather information.
101		129
102	for my $type (OpenCL::MEM_OBJECT_IMAGE2D, OpenCL::MEM_OBJECT_IMAGE3D) {	130	for my $type (OpenCL::MEM_OBJECT_IMAGE2D, OpenCL::MEM_OBJECT_IMAGE3D) {
103	print "supported image formats for ", OpenCL::enum2str $type, "\n";	131	print "supported image formats for ", OpenCL::enum2str $type, "\n";
104		132
105	for my $f ($ctx->supported_image_formats (0, $type)) {	133	for my $f ($ctx->supported_image_formats (0, $type)) {
…		…
124		152
125	my $src = '	153	my $src = '
126	__kernel void	154	__kernel void
127	squareit (__global float input, __global float output)	155	squareit (__global float input, __global float output)
128	{	156	{
129	size_t id = get_global_id (0);	157	$id = get_global_id (0);
130	output [id] = input [id] * input [id];	158	output [id] = input [id] * input [id];
131	}	159	}
132	';	160	';
133		161
134	my $prog = $ctx->program_with_source ($src);	162	my $prog = $ctx->program_with_source ($src);
135		163
		164	# build croaks on compile errors, so catch it and print the compile errors
136	eval { $prog->build ($dev); 1 }	165	eval { $prog->build ($dev); 1 }
137	or die $prog->build_info ($dev, OpenCL::PROGRAM_BUILD_LOG);	166	or die $prog->build_info ($dev, OpenCL::PROGRAM_BUILD_LOG);
138		167
139	my $kernel = $prog->kernel ("squareit");	168	my $kernel = $prog->kernel ("squareit");
140		169
141	=head2 Create some input and output float buffers, then call squareit on them.	170	=head2 Create some input and output float buffers, then call the
		171	'squareit' kernel on them.
142		172
143	my $input = $ctx->buffer_sv (OpenCL::MEM_COPY_HOST_PTR, pack "f*", 1, 2, 3, 4.5);	173	my $input = $ctx->buffer_sv (OpenCL::MEM_COPY_HOST_PTR, pack "f*", 1, 2, 3, 4.5);
144	my $output = $ctx->buffer (0, OpenCL::SIZEOF_FLOAT * 5);	174	my $output = $ctx->buffer (0, OpenCL::SIZEOF_FLOAT * 5);
145		175
146	# set buffer	176	# set buffer
…		…
185		215
186	=head1 DOCUMENTATION	216	=head1 DOCUMENTATION
187		217
188	=head2 BASIC CONVENTIONS	218	=head2 BASIC CONVENTIONS
189		219
190	This is not a 1:1 C-style translation of OpenCL to Perl - instead I	220	This is not a one-to-one C-style translation of OpenCL to Perl - instead
191	attempted to make the interface as type-safe as possible and introducing	221	I attempted to make the interface as type-safe as possible by introducing
192	object syntax where it makes sense. There are a number of important	222	object syntax where it makes sense. There are a number of important
193	differences between the OpenCL C API and this module:	223	differences between the OpenCL C API and this module:
194		224
195	=over 4	225	=over 4
196		226
197	=item * Object lifetime managament is automatic - there is no need	227	=item * Object lifetime managament is automatic - there is no need
198	to free objects explicitly (C<clReleaseXXX>), the release function	228	to free objects explicitly (C<clReleaseXXX>), the release function
199	is called automatically once all Perl references to it go away.	229	is called automatically once all Perl references to it go away.
200		230
201	=item * OpenCL uses CamelCase for function names (C<clGetPlatformInfo>),	231	=item * OpenCL uses CamelCase for function names
		232	(e.g. C<clGetPlatformIDs>, C<clGetPlatformInfo>), while this module
202	while this module uses underscores as word separator and often leaves out	233	uses underscores as word separator and often leaves out prefixes
203	prefixes (C<< $platform->info >>).	234	(C<OpenCL::platforms>, C<< $platform->info >>).
204		235
205	=item * OpenCL often specifies fixed vector function arguments as short	236	=item * OpenCL often specifies fixed vector function arguments as short
206	arrays (C<size_t origin[3]>), while this module explicitly expects the	237	arrays (C<size_t origin[3]>), while this module explicitly expects the
207	components as separate arguments-	238	components as separate arguments (C<$orig_x, $orig_y, $orig_z>) in
		239	function calls.
208		240
209	=item * Where possible, one of the pitch values is calculated from the	241	=item * Structures are often specified by flattening out their components
210	perl scalar length and need not be specified.	242	as with short vectors, and returned as arrayrefs.
211		243
212	=item * When enqueuing commands, the wait list is specified by adding	244	=item * When enqueuing commands, the wait list is specified by adding
213	extra arguments to the function - anywhere a C<$wait_events...> argument	245	extra arguments to the function - anywhere a C<$wait_events...> argument
214	is documented this can be any number of event objects.	246	is documented this can be any number of event objects.
215		247
…		…
245		277
246	=over 4	278	=over 4
247		279
248	=item $int = OpenCL::errno	280	=item $int = OpenCL::errno
249		281
250	The last error returned by a function - it's only changed on errors.	282	The last error returned by a function - it's only valid after an error occured
		283	and before calling another OpenCL function.
251		284
252	=item $str = OpenCL::err2str $errval	285	=item $str = OpenCL::err2str $errval
253		286
254	Comverts an error value into a human readable string.	287	Comverts an error value into a human readable string.
255		288
…		…
283		316
284	=head2 THE OpenCL::Platform CLASS	317	=head2 THE OpenCL::Platform CLASS
285		318
286	=over 4	319	=over 4
287		320
		321	=item @devices = $platform->devices ($type = OpenCL::DEVICE_TYPE_ALL)
		322
		323	Returns a list of matching OpenCL::Device objects.
		324
		325	=item $ctx = $platform->context_from_type ($properties, $type = OpenCL::DEVICE_TYPE_DEFAULT, $notify = undef)
		326
		327	Tries to create a context. Never worked for me, and you need devices explitly anyway.
		328
		329	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html>
		330
		331	=item $ctx = $device->context ($properties = undef, @$devices, $notify = undef)
		332
		333	Create a new OpenCL::Context object using the given device object(s)- a
		334	CL_CONTEXT_PLATFORM property is supplied automatically.
		335
		336	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html>
		337
288	=item $packed_value = $platform->info ($name)	338	=item $packed_value = $platform->info ($name)
289		339
290	Calls C<clGetPlatformInfo> and returns the packed, raw value - for	340	Calls C<clGetPlatformInfo> and returns the packed, raw value - for
291	strings, this will be the string, for other values you probably need to	341	strings, this will be the string, for other values you probably need to
292	use the correct C<unpack>. This might get improved in the future. Hopefully.	342	use the correct C<unpack>.
		343
		344	It's best to avoid this method and use one of the predefined C<get_*>
		345	methods.
293		346
294	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformInfo.html>	347	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformInfo.html>
295		348
296	=item @devices = $platform->devices ($type = OpenCL::DEVICE_TYPE_ALL)	349	=for gengetinfo begin platform
297		350
298	Returns a list of matching OpenCL::Device objects.
299		351
300	=item $ctx = $platform->context_from_type ($properties, $type = OpenCL::DEVICE_TYPE_DEFAULT, $notify = undef)	352	=item $string = $platform->profile
301		353
302	Tries to create a context. Never worked for me.	354	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_PROFILE> and returns the result(s).
303		355
304	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html>	356	=item $string = $platform->version
		357
		358	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_VERSION> and returns the result(s).
		359
		360	=item $string = $platform->name
		361
		362	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_NAME> and returns the result(s).
		363
		364	=item $string = $platform->vendor
		365
		366	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_VENDOR> and returns the result(s).
		367
		368	=item $string = $platform->extensions
		369
		370	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_EXTENSIONS> and returns the result(s).
		371	=for gengetinfo end platform
305		372
306	=back	373	=back
307		374
308	=head2 THE OpenCL::Device CLASS	375	=head2 THE OpenCL::Device CLASS
309		376
…		…
313		380
314	See C<< $platform->info >> for details.	381	See C<< $platform->info >> for details.
315		382
316	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetDeviceInfo.html>	383	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetDeviceInfo.html>
317		384
318	=item $ctx = $device->context ($properties = undef, $notify = undef)
319
320	Create a new OpenCL::Context object.
321
322	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html>
323
324	=back	385	=back
325		386
326	=head2 THE OpenCL::Context CLASS	387	=head2 THE OpenCL::Context CLASS
327		388
328	=over 4	389	=over 4
329		390
330	=item $packed_value = $ctx->info ($name)
331
332	See C<< $platform->info >> for details.
333
334	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetContextInfo.html>
335
336	=item $queue = $ctx->queue ($device, $properties)	391	=item $queue = $ctx->queue ($device, $properties)
337		392
338	Create a new OpenCL::Queue object from the context and the given device.	393	Create a new OpenCL::Queue object from the context and the given device.
339		394
340	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateCommandQueue.html>	395	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateCommandQueue.html>
…		…
353		408
354	=item $buf = $ctx->buffer_sv ($flags, $data)	409	=item $buf = $ctx->buffer_sv ($flags, $data)
355		410
356	Creates a new OpenCL::Buffer object and initialise it with the given data values.	411	Creates a new OpenCL::Buffer object and initialise it with the given data values.
357		412
358	=item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $data)	413	=item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef)
359		414
360	Creates a new OpenCL::Image2D object and optionally initialises it with the given data values.	415	Creates a new OpenCL::Image2D object and optionally initialises it with the given data values.
361		416
362	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage2D.html>	417	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage2D.html>
363		418
364	=item $img = $ctx->image3d ($flags, $channel_order, $channel_type, $width, $height, $depth, $slice_pitch, $data)	419	=item $img = $ctx->image3d ($flags, $channel_order, $channel_type, $width, $height, $depth, $row_pitch = 0, $slice_pitch = 0, $data = undef)
365		420
366	Creates a new OpenCL::Image3D object and optionally initialises it with the given data values.	421	Creates a new OpenCL::Image3D object and optionally initialises it with the given data values.
367		422
368	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage3D.html>	423	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage3D.html>
369		424
…		…
383	=item $program = $ctx->program_with_source ($string)	438	=item $program = $ctx->program_with_source ($string)
384		439
385	Creates a new OpenCL::Program object from the given source code.	440	Creates a new OpenCL::Program object from the given source code.
386		441
387	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateProgramWithSource.html>	442	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateProgramWithSource.html>
		443
		444	=item $packed_value = $ctx->info ($name)
		445
		446	See C<< $platform->info >> for details.
		447
		448	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetContextInfo.html>
		449
		450	=for gengetinfo begin context
		451
		452	=for gengetinfo end context
388		453
389	=back	454	=back
390		455
391	=head2 THE OpenCL::Queue CLASS	456	=head2 THE OpenCL::Queue CLASS
392		457
…		…
432		497
433	=item $ev = $queue->enqueue_read_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...)	498	=item $ev = $queue->enqueue_read_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...)
434		499
435	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReadImage.html>	500	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReadImage.html>
436		501
437	=item $ev = $queue->enqueue_write_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $data, $wait_events...)	502	=item $ev = $queue->enqueue_write_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...)
438		503
439	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteImage.html>	504	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteImage.html>
440		505
441	=item $ev = $queue->enqueue_copy_buffer_rect ($src, $dst, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $src_row_pitch, $src_slice_pitch, 4dst_row_pitch, $dst_slice_pitch, $ait_event...)	506	=item $ev = $queue->enqueue_copy_buffer_rect ($src, $dst, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $src_row_pitch, $src_slice_pitch, $dst_row_pitch, $dst_slice_pitch, $wait_event...)
442		507
443	Yeah.	508	Yeah.
444		509
445	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferRect.html>	510	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferRect.html>
446		511
447	=item $ev = $queue->enqueue_copy_buffer_to_image (OpenCL::Buffer src, OpenCL::Image dst, size_t src_offset, size_t dst_x, size_t dst_y, size_t dst_z, size_t width, size_t height, size_t depth, ...)	512	=item $ev = $queue->enqueue_copy_buffer_to_image ($src_buffer, $dst_image, $src_offset, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...)
448		513
449	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferToImage.html>.	514	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferToImage.html>.
450		515
451	=item $ev = $queue->enqueue_copy_image (OpenCL::Image src, OpenCL::Buffer dst, size_t src_x, size_t src_y, size_t src_z, size_t dst_x, size_t dst_y, size_t dst_z, size_t width, size_t height, size_t depth, ...)	516	=item $ev = $queue->enqueue_copy_image ($src_image, $dst_image, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...)
452		517
453	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImage.html>	518	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImage.html>
454		519
455	=item $ev = $queue->enqueue_copy_image_to_buffer (OpenCL::Image src, OpenCL::Buffer dst, size_t src_x, size_t src_y, size_t src_z, size_t width, size_t height, size_t depth, size_t dst_offset, ...)	520	=item $ev = $queue->enqueue_copy_image_to_buffer ($src_image, $dst_image, $src_x, $src_y, $src_z, $width, $height, $depth, $dst_offset, $wait_events...)
456		521
457	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImageToBuffer.html>	522	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImageToBuffer.html>
458		523
459	=item $ev = $queue->enqueue_task ($kernel, $wait_events...)	524	=item $ev = $queue->enqueue_task ($kernel, $wait_events...)
460		525
…		…
514		579
515	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetMemObjectInfo.html>	580	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetMemObjectInfo.html>
516		581
517	=back	582	=back
518		583
		584	=head2 THE OpenCL::Image CLASS
		585
		586	This is the superclass of all image objects - OpenCL::Image2D and OpenCL::Image3D.
		587
		588	=over 4
		589
		590	=item $packed_value = $ev->image_info ($name)
		591
		592	See C<< $platform->info >> for details.
		593
		594	The reason this method is not called C<info> is that there already is an
		595	C<< ->info >> method inherited from C<OpenCL::Memory>.
		596
		597	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetImageInfo.html>
		598
		599	=back
		600
519	=head2 THE OpenCL::Sampler CLASS	601	=head2 THE OpenCL::Sampler CLASS
520		602
521	=over 4	603	=over 4
522		604
523	=item $packed_value = $sampler->info ($name)	605	=item $packed_value = $sampler->info ($name)
…		…
567	=item $packed_value = $kernel->info ($name)	649	=item $packed_value = $kernel->info ($name)
568		650
569	See C<< $platform->info >> for details.	651	See C<< $platform->info >> for details.
570		652
571	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetKernelInfo.html>	653	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetKernelInfo.html>
		654
		655	=item $packed_value = $kernel->work_group_info ($device, $name)
		656
		657	See C<< $platform->info >> for details.
		658
		659	The reason this method is not called C<info> is that there already is an
		660	C<< ->info >> method.
		661
		662	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetKernelWorkGroupInfo.html>
572		663
573	=item $kernel->set_TYPE ($index, $value)	664	=item $kernel->set_TYPE ($index, $value)
574		665
575	This is a family of methods to set the kernel argument with the number C<$index> to the give C<$value>.	666	This is a family of methods to set the kernel argument with the number C<$index> to the give C<$value>.
576		667
…		…
598		689
599	See C<< $platform->info >> for details.	690	See C<< $platform->info >> for details.
600		691
601	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetEventInfo.html>	692	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetEventInfo.html>
602		693
		694	=item $packed_value = $ev->profiling_info ($name)
		695
		696	See C<< $platform->info >> for details.
		697
		698	The reason this method is not called C<info> is that there already is an
		699	C<< ->info >> method.
		700
		701	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetProfilingInfo.html>
		702
603	=item $ev->wait	703	=item $ev->wait
604		704
605	Waits for the event to complete.	705	Waits for the event to complete.
606		706
607	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clWaitForEvents.html>	707	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clWaitForEvents.html>
…		…
625	package OpenCL;	725	package OpenCL;
626		726
627	use common::sense;	727	use common::sense;
628		728
629	BEGIN {	729	BEGIN {
630	our $VERSION = '0.03';	730	our $VERSION = '0.15';
631		731
632	require XSLoader;	732	require XSLoader;
633	XSLoader::load (__PACKAGE__, $VERSION);	733	XSLoader::load (__PACKAGE__, $VERSION);
634		734
635	@OpenCL::Buffer::ISA =	735	@OpenCL::Buffer::ISA =

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Comparing OpenCL/OpenCL.pm (file contents): Revision 1.10 by root, Thu Nov 17 02:10:39 2011 UTC vs. Revision 1.20 by root, Sun Nov 20 01:09:48 2011 UTC

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Comparing OpenCL/OpenCL.pm (file contents):
Revision 1.10 by root, Thu Nov 17 02:10:39 2011 UTC vs.
Revision 1.20 by root, Sun Nov 20 01:09:48 2011 UTC