diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/com/jogamp/opencl/CLKernel.java | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/com/jogamp/opencl/CLKernel.java b/src/com/jogamp/opencl/CLKernel.java index c3031ae9..4eeb5af9 100644 --- a/src/com/jogamp/opencl/CLKernel.java +++ b/src/com/jogamp/opencl/CLKernel.java @@ -315,6 +315,7 @@ public class CLKernel extends CLObjectResource implements Cloneable { * qualifier and whose size is specified with clSetKernelArg. * If the local memory size, for any pointer argument to the kernel declared with * the <code>__local</code> address qualifier, is not specified, its size is assumed to be 0. + * @version 1.0 */ public long getLocalMemorySize(final CLDevice device) { return getWorkGroupInfo(device, CL_KERNEL_LOCAL_MEM_SIZE); @@ -326,6 +327,7 @@ public class CLKernel extends CLObjectResource implements Cloneable { * that can be used to execute a kernel on a specific device given by device. * The OpenCL implementation uses the resource requirements of the kernel * (register usage etc.) to determine what this work-group size should be. + * @version 1.0 */ public long getWorkGroupSize(final CLDevice device) { return getWorkGroupInfo(device, CL_KERNEL_WORK_GROUP_SIZE); @@ -335,6 +337,7 @@ public class CLKernel extends CLObjectResource implements Cloneable { * Returns the work-group size specified by the <code>__attribute__((reqd_work_group_size(X, Y, Z)))</code> qualifier in kernel sources. * If the work-group size is not specified using the above attribute qualifier <code>new long[]{(0, 0, 0)}</code> is returned. * The returned array has always three elements. + * @version 1.0 */ public long[] getCompileWorkGroupSize(final CLDevice device) { final int ret = binding.clGetKernelWorkGroupInfo(ID, device.ID, CL_KERNEL_COMPILE_WORK_GROUP_SIZE, (is32Bit()?4:8)*3, buffer, null); @@ -349,6 +352,25 @@ public class CLKernel extends CLObjectResource implements Cloneable { } } + /** + * Returns the preferred multiple of workgroup size to use for kernel launch. This is only a performance hint; enqueueing + * with other sizes will still work, unless the size is more than the maximum allowed. + * @version 1.1 + */ + public long getPreferredWorkGroupSizeMultiple(final CLDevice device) { + return getWorkGroupInfo(device, CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE); + } + + /** + * Returns the number of bytes of private memory used by each work item in the kernel. + * This includes private memory declared with the <code>__private</code> qualifier, as + * well as other private memory used by the implementation. + * @version 1.1 + */ + public long getPrivateMemSize(final CLDevice device) { + return getWorkGroupInfo(device, CL_KERNEL_PRIVATE_MEM_SIZE); + } + private long getWorkGroupInfo(final CLDevice device, final int flag) { final int ret = binding.clGetKernelWorkGroupInfo(ID, device.ID, flag, 8, buffer, null); if(ret != CL_SUCCESS) { |