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authorMichael Bien <[email protected]>2009-10-19 23:02:09 +0200
committerMichael Bien <[email protected]>2009-10-19 23:02:09 +0200
commit224985638b2a1486e4b7da1642a4f2cc22fc8644 (patch)
tree2540189dc43f6d6b67001cab1e7d1332ffa14dc3 /test/com/mbien/opencl
parentcb7fa23952a10795215eda50848530828b92895e (diff)
initial import of CLCommandQueue.
updated JUnit test to test CLCommandQueue. cleand up project dependencies.
Diffstat (limited to 'test/com/mbien/opencl')
-rw-r--r--test/com/mbien/opencl/JOCLTest.java31
1 files changed, 22 insertions, 9 deletions
diff --git a/test/com/mbien/opencl/JOCLTest.java b/test/com/mbien/opencl/JOCLTest.java
index 5a5b7a27..e0dfdee8 100644
--- a/test/com/mbien/opencl/JOCLTest.java
+++ b/test/com/mbien/opencl/JOCLTest.java
@@ -29,14 +29,14 @@ public class JOCLTest {
+ " // add the vector elements \n"
+ " c[iGID] = a[iGID] + b[iGID]; \n"
+ "} \n"
- + "__kernel void Test(__global const int* a, __global const int* b, __global int* c, int iNumElements) { \n"
+ + "__kernel void Test(__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"
+ " if (iGID >= iNumElements) { \n"
+ " return; \n"
+ " } \n"
- + " c[iGID] = iGID; \n"
+ + " c[iGID] = iGID; \n"
+ "} \n";
public JOCLTest() {
@@ -378,7 +378,9 @@ public class JOCLTest {
out.println(" build status: "+program.getBuildStatus(device));
}
- out.println("source:\n"+program.getSource());
+ String source = program.getSource();
+ assertFalse(source.trim().isEmpty());
+// out.println("source:\n"+source);
int elementCount = 11444777; // Length of float arrays to process (odd # for illustration)
int localWorkSize = 256; // set and log Global and Local work size dimensions
@@ -390,6 +392,8 @@ public class JOCLTest {
ByteBuffer srcB = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_INT);
ByteBuffer dest = BufferFactory.newDirectByteBuffer(globalWorkSize*BufferFactory.SIZEOF_INT);
+ fillBuffer(srcA, 23456);
+ fillBuffer(srcB, 46987);
CLBuffer clBufferA = context.createBuffer(CL.CL_MEM_READ_ONLY, srcA);
CLBuffer clBufferB = context.createBuffer(CL.CL_MEM_READ_ONLY, srcB);
@@ -405,14 +409,23 @@ public class JOCLTest {
CLKernel vectorAddKernel = kernels.get("VectorAdd");
- vectorAddKernel
- .setArg(0, BufferFactory.SIZEOF_LONG, clBufferA)
- .setArg(1, BufferFactory.SIZEOF_LONG, clBufferB)
- .setArg(2, BufferFactory.SIZEOF_LONG, clBufferC)
- .setArg(3, BufferFactory.SIZEOF_LONG, elementCount);
+ vectorAddKernel.setArg(0, BufferFactory.SIZEOF_LONG, clBufferA)
+ .setArg(1, BufferFactory.SIZEOF_LONG, clBufferB)
+ .setArg(2, BufferFactory.SIZEOF_LONG, clBufferC)
+ .setArg(3, BufferFactory.SIZEOF_INT, elementCount);
- //TODO CLComandQueue...
+ CLCommandQueue queue = programDevices[0].createCommandQueue();
+ // Asynchronous write of data to GPU device, blocking read later
+ queue.putWriteBuffer(clBufferA, false)
+ .putWriteBuffer(clBufferB, false)
+ .putNDRangeKernel(vectorAddKernel, 1, new long[]{0}, new long[]{ globalWorkSize }, new long[]{ localWorkSize })
+ .putReadBuffer(clBufferC, true).release();
+
+ out.println("a+b=c result snapshot: ");
+ for(int i = 0; i < 10; i++)
+ out.print(dest.getInt()+", ");
+ out.println("...; "+dest.remaining()/BufferFactory.SIZEOF_INT + " more");
assertTrue(3 == context.getCLBuffers().size());
clBufferA.release();