diff --git a/projects/clr/opencl/tests/ocltst/module/runtime/OCLMultiQueue.cpp b/projects/clr/opencl/tests/ocltst/module/runtime/OCLMultiQueue.cpp
index 9f1cd1d5b1..0469ee20b8 100644
--- a/projects/clr/opencl/tests/ocltst/module/runtime/OCLMultiQueue.cpp
+++ b/projects/clr/opencl/tests/ocltst/module/runtime/OCLMultiQueue.cpp
@@ -42,7 +42,12 @@ static bool useGPU = true;
 
 static const cl_uint NumQueues = 8;  // must be power of 2
 static cl_uint NumElements = 4096;
+#if EMU_ENV
+static const cl_uint NumRuns = 16;
+#else
 static const cl_uint NumRuns = 16384;
+#endif
+
 static const cl_uint ExecutionsPerQueue = 256;
 std::stringstream lerror;
 
diff --git a/projects/clr/opencl/tests/ocltst/module/runtime/OCLRTQueue.cpp b/projects/clr/opencl/tests/ocltst/module/runtime/OCLRTQueue.cpp
index 538db830cb..fbe2e62f13 100644
--- a/projects/clr/opencl/tests/ocltst/module/runtime/OCLRTQueue.cpp
+++ b/projects/clr/opencl/tests/ocltst/module/runtime/OCLRTQueue.cpp
@@ -30,8 +30,12 @@
 static const size_t Iterations = 0x100;
 static const size_t IterationDivider = 2;
 static const size_t MaxBuffers = IterationDivider;
-static const size_t BufSize = 0x800000;
 
+#if EMU_ENV
+static const size_t BufSize = 0x800;
+#else
+static const size_t BufSize = 0x800000;
+#endif
 const static char* strKernel =
     "__kernel void factorial(__global uint* out)                        \n"
     "{                                                                  \n"