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-rw-r--r--src/com/mbien/opencl/CLException.java36
-rw-r--r--test/com/mbien/opencl/JOCLTest.java83
2 files changed, 90 insertions, 29 deletions
diff --git a/src/com/mbien/opencl/CLException.java b/src/com/mbien/opencl/CLException.java
index 1f8f16d..f439e89 100644
--- a/src/com/mbien/opencl/CLException.java
+++ b/src/com/mbien/opencl/CLException.java
@@ -25,6 +25,42 @@ public class CLException extends RuntimeException {
private static final String identifyError(int error) {
switch (error) {
+ case CL.CL_DEVICE_NOT_FOUND:
+ return "CL_DEVICE_NOT_FOUND";
+
+ case CL.CL_DEVICE_NOT_AVAILABLE:
+ return "CL_DEVICE_NOT_AVAILABLE";
+
+ case CL.CL_COMPILER_NOT_AVAILABLE:
+ return "CL_COMPILER_NOT_AVAILABLE";
+
+ case CL.CL_MEM_OBJECT_ALLOCATION_FAILURE:
+ return "CL_MEM_OBJECT_ALLOCATION_FAILURE";
+
+ case CL.CL_OUT_OF_RESOURCES:
+ return "CL_OUT_OF_RESOURCES";
+
+ case CL.CL_OUT_OF_HOST_MEMORY:
+ return "CL_OUT_OF_HOST_MEMORY";
+
+ case CL.CL_PROFILING_INFO_NOT_AVAILABLE:
+ return "CL_PROFILING_INFO_NOT_AVAILABLE";
+
+ case CL.CL_MEM_COPY_OVERLAP:
+ return "CL_MEM_COPY_OVERLAP";
+
+ case CL.CL_IMAGE_FORMAT_MISMATCH:
+ return "CL_IMAGE_FORMAT_MISMATCH";
+
+ case CL.CL_IMAGE_FORMAT_NOT_SUPPORTED:
+ return "CL_IMAGE_FORMAT_NOT_SUPPORTED";
+
+ case CL.CL_BUILD_PROGRAM_FAILURE:
+ return "CL_BUILD_PROGRAM_FAILURE";
+
+ case CL.CL_MAP_FAILURE:
+ return "CL_MAP_FAILURE";
+
case CL.CL_INVALID_VALUE:
return "CL_INVALID_VALUE";
diff --git a/test/com/mbien/opencl/JOCLTest.java b/test/com/mbien/opencl/JOCLTest.java
index 6da063c..15356ae 100644
--- a/test/com/mbien/opencl/JOCLTest.java
+++ b/test/com/mbien/opencl/JOCLTest.java
@@ -108,7 +108,7 @@ public class JOCLTest {
// }
// };
- long[] longBuffer = new long[1];
+ long[] longArray = new long[1];
ByteBuffer bb = ByteBuffer.allocate(4096).order(ByteOrder.nativeOrder());
CL cl = CLContext.getLowLevelBinding();
@@ -120,16 +120,16 @@ public class JOCLTest {
out.println("context handle: "+context);
// TODO fix gluegen bug: array-buffer mixing... bb is a noop
- ret = cl.clGetContextInfo(context, CL.CL_CONTEXT_DEVICES, 0, bb, longBuffer, 0);
+ ret = cl.clGetContextInfo(context, CL.CL_CONTEXT_DEVICES, 0, bb, longArray, 0);
checkError("on clGetContextInfo", ret);
int sizeofLong = 8; // TODO sizeof long...
- out.println("context created with " + longBuffer[0]/sizeofLong + " devices");
+ out.println("context created with " + longArray[0]/sizeofLong + " devices");
ret = cl.clGetContextInfo(context, CL.CL_CONTEXT_DEVICES, bb.capacity(), bb, null, 0);
checkError("on clGetContextInfo", ret);
- for (int i = 0; i < longBuffer[0]/sizeofLong; i++) {
+ for (int i = 0; i < longArray[0]/sizeofLong; i++) {
out.println("device id: "+bb.getLong());
}
@@ -142,19 +142,21 @@ public class JOCLTest {
int elementCount = 11444777; // Length of float arrays to process (odd # for illustration)
int localWorkSize = 256; // set and log Global and Local work size dimensions
int globalWorkSize = roundUp(localWorkSize, elementCount); // rounded up to the nearest multiple of the LocalWorkSize
- int sizeofFloat = 4; // TODO sizeof float ...
+ out.println(globalWorkSize);
+
+ // TODO sizeof int ...
// Allocate the OpenCL buffer memory objects for source and result on the device GMEM
- long devSrcA = cl.clCreateBuffer(context, CL.CL_MEM_READ_ONLY, sizeofFloat * globalWorkSize, null, intArray, 0);
+ long devSrcA = cl.clCreateBuffer(context, CL.CL_MEM_READ_ONLY, BufferFactory.SIZEOF_INT * globalWorkSize, null, intArray, 0);
checkError("on clCreateBuffer", intArray[0]);
- long devSrcB = cl.clCreateBuffer(context, CL.CL_MEM_READ_ONLY, sizeofFloat * globalWorkSize, null, intArray, 0);
+ long devSrcB = cl.clCreateBuffer(context, CL.CL_MEM_READ_ONLY, BufferFactory.SIZEOF_INT * globalWorkSize, null, intArray, 0);
checkError("on clCreateBuffer", intArray[0]);
- long devDst = cl.clCreateBuffer(context, CL.CL_MEM_WRITE_ONLY, sizeofFloat * globalWorkSize, null, intArray, 0);
+ long devDst = cl.clCreateBuffer(context, CL.CL_MEM_WRITE_ONLY, BufferFactory.SIZEOF_INT * globalWorkSize, null, intArray, 0);
checkError("on clCreateBuffer", intArray[0]);
String src =
" // OpenCL Kernel Function for element by element vector addition \n"
- + "__kernel void VectorAdd(__global const float* a, __global const float* b, __global float* c, int iNumElements) { \n"
+ + "__kernel void VectorAdd(__global const int* a, __global const int* b, __global int* c, int iNumElements) { \n"
+ " // get index into global data array \n"
+ " int iGID = get_global_id(0); \n"
+ " // bound check (equivalent to the limit on a 'for' loop for standard/serial C code \n"
@@ -163,6 +165,7 @@ public class JOCLTest {
+ " } \n"
+ " // add the vector elements \n"
+ " c[iGID] = a[iGID] + b[iGID]; \n"
+ + " //c[iGID] = iGID; \n"
+ "} \n";
@@ -180,18 +183,18 @@ public class JOCLTest {
checkError("on clGetProgramInfo1", ret);
out.println("program associated with "+bb.getInt(0)+" device(s)");
- ret = cl.clGetProgramInfo(program, CL.CL_PROGRAM_SOURCE, 0, bb, longBuffer, 0);
+ ret = cl.clGetProgramInfo(program, CL.CL_PROGRAM_SOURCE, 0, bb, longArray, 0);
checkError("on clGetProgramInfo CL_PROGRAM_SOURCE", ret);
- out.println("program source length (cl): "+longBuffer[0]);
+ out.println("program source length (cl): "+longArray[0]);
out.println("program source length (java): "+src.length());
bb.rewind();
ret = cl.clGetProgramInfo(program, CL.CL_PROGRAM_SOURCE, bb.capacity(), bb, null, 0);
checkError("on clGetProgramInfo CL_PROGRAM_SOURCE", ret);
- out.println("program source:\n"+new String(bb.array(), 0, (int)longBuffer[0]));
+ out.println("program source:\n"+new String(bb.array(), 0, (int)longArray[0]));
// Check program status
- Arrays.fill(longBuffer, 42);
+ Arrays.fill(longArray, 42);
bb.rewind();
ret = cl.clGetProgramBuildInfo(program, firstDeviceID, CL.CL_PROGRAM_BUILD_STATUS, bb.capacity(), bb, null, 0);
checkError("on clGetProgramBuildInfo1", ret);
@@ -201,14 +204,14 @@ public class JOCLTest {
// Read build log
// TODO fix gluegen bug: array-buffer mixing... bb is a noop
- ret = cl.clGetProgramBuildInfo(program, firstDeviceID, CL.CL_PROGRAM_BUILD_LOG, 0, bb, longBuffer, 0);
+ ret = cl.clGetProgramBuildInfo(program, firstDeviceID, CL.CL_PROGRAM_BUILD_LOG, 0, bb, longArray, 0);
checkError("on clGetProgramBuildInfo2", ret);
- out.println("program log length: " + longBuffer[0]);
+ out.println("program log length: " + longArray[0]);
bb.rewind();
ret = cl.clGetProgramBuildInfo(program, firstDeviceID, CL.CL_PROGRAM_BUILD_LOG, bb.capacity(), bb, null, 0);
checkError("on clGetProgramBuildInfo3", ret);
- out.println("log:\n" + new String(bb.array(), 0, (int)longBuffer[0]));
+ out.println("log:\n" + new String(bb.array(), 0, (int)longArray[0]));
// Create the kernel
Arrays.fill(intArray, 42);
@@ -216,14 +219,12 @@ public class JOCLTest {
checkError("on clCreateKernel", intArray[0]);
- ByteBuffer srcA = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_FLOAT);
- ByteBuffer srcB = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_FLOAT);
- ByteBuffer dst = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_FLOAT);
- ByteBuffer elementCountBuffer = BufferFactory.newDirectByteBuffer(BufferFactory.SIZEOF_INT);
- elementCountBuffer.putInt(elementCount);
+ ByteBuffer srcA = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_INT);
+ ByteBuffer srcB = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_INT);
+ ByteBuffer dst = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_INT);
- srcA.limit(elementCount*BufferFactory.SIZEOF_FLOAT);
- srcB.limit(elementCount*BufferFactory.SIZEOF_FLOAT);
+// srcA.limit(elementCount*BufferFactory.SIZEOF_FLOAT);
+// srcB.limit(elementCount*BufferFactory.SIZEOF_FLOAT);
fillBuffer(srcA, 23456);
fillBuffer(srcB, 46987);
@@ -232,7 +233,9 @@ public class JOCLTest {
ret = cl.clSetKernelArg(kernel, 0, BufferFactory.SIZEOF_LONG, wrap(devSrcA)); checkError("on clSetKernelArg0", ret);
ret = cl.clSetKernelArg(kernel, 1, BufferFactory.SIZEOF_LONG, wrap(devSrcB)); checkError("on clSetKernelArg1", ret);
ret = cl.clSetKernelArg(kernel, 2, BufferFactory.SIZEOF_LONG, wrap(devDst)); checkError("on clSetKernelArg2", ret);
- ret = cl.clSetKernelArg(kernel, 3, BufferFactory.SIZEOF_INT, elementCountBuffer); checkError("on clSetKernelArg3", ret);
+ ret = cl.clSetKernelArg(kernel, 3, BufferFactory.SIZEOF_INT, wrap(elementCount)); checkError("on clSetKernelArg3", ret);
+
+ out.println("used device memory: "+ (srcA.capacity()+srcB.capacity()+dst.capacity())/1000000 +"MB");
// Asynchronous write of data to GPU device
ret = cl.clEnqueueWriteBuffer(commandQueue, devSrcA, CL.CL_FALSE, 0, srcA.capacity(), srcA, 0, null, 0, null, 0);
@@ -249,13 +252,26 @@ public class JOCLTest {
checkError("on clEnqueueNDRangeKernel", ret);
// Synchronous/blocking read of results
- ret = cl.clEnqueueReadBuffer(commandQueue, devDst, CL.CL_TRUE, 0, BufferFactory.SIZEOF_FLOAT * globalWorkSize, dst, 0, null, 0, null, 0);
+ ret = cl.clEnqueueReadBuffer(commandQueue, devDst, CL.CL_TRUE, 0, BufferFactory.SIZEOF_INT * globalWorkSize, dst, 0, null, 0, null, 0);
checkError("on clEnqueueReadBuffer", ret);
-// for(int i = 0; i < 50; i++)
-// System.out.println(dst.getFloat());
+ out.println("a+b=c result snapshot: ");
+ for(int i = 0; i < 10; i++)
+ out.print(dst.getInt()+", ");
+ out.println();
+
// cleanup
+ ret = cl.clReleaseCommandQueue(commandQueue);
+ checkError("on clReleaseCommandQueue", ret);
+
+ ret = cl.clReleaseMemObject(devSrcA);
+ checkError("on clReleaseMemObject", ret);
+ ret = cl.clReleaseMemObject(devSrcB);
+ checkError("on clReleaseMemObject", ret);
+ ret = cl.clReleaseMemObject(devDst);
+ checkError("on clReleaseMemObject", ret);
+
ret = cl.clReleaseProgram(program);
checkError("on clReleaseProgram", ret);
@@ -270,18 +286,27 @@ public class JOCLTest {
}
+ @Test
+ public void loadTest() {
+ out.println(" - - - loadTest - - - ");
+ for(int i = 0; i < 100; i++) {
+ out.println("###iteration "+i);
+ lowLevelTest2();
+ }
+ }
+
private void fillBuffer(ByteBuffer buffer, int seed) {
Random rnd = new Random(seed);
while(buffer.remaining() != 0)
- buffer.putFloat(rnd.nextFloat());
+ buffer.putInt(rnd.nextInt());
buffer.rewind();
}
private ByteBuffer wrap(long value) {
- return (ByteBuffer)ByteBuffer.allocateDirect(8).order(ByteOrder.nativeOrder()).putLong(value).rewind();
+ return (ByteBuffer) BufferFactory.newDirectByteBuffer(8).putLong(value).rewind();
}
private String getBuildStatus(int status) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 21:27:00 +0000