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authorSven Gothel <[email protected]>2023-07-12 01:49:31 +0200
committerSven Gothel <[email protected]>2023-07-12 01:49:31 +0200
commit791eb1b2ae3001f04d59a61f634161e21d96ef6d (patch)
tree24be59b1a6bcbbec4e09c972d461ae2fe69078b9 /src/com/jogamp/opencl/CLKernel.java
parentdc1424050e47cd239ad26c4f12fb3a0e4289d682 (diff)
parent2ad07a7e3e8cf1fc29fe7cbb3256c4c2cda27d02 (diff)
Merge remote-tracking branch 'wwalker/master'v2.5.0
Diffstat (limited to 'src/com/jogamp/opencl/CLKernel.java')
-rw-r--r--src/com/jogamp/opencl/CLKernel.java22
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) {