Initial v.01 commit

Represents and early early but functional prototype.
See README for various notes.
See LICENSE for license info.

1 files changed, 38 insertions, 0 deletions

diff --git a/handcoded-opencl/sql7.cl b/handcoded-opencl/sql7.cl
new file mode 100644
index 0000000..ef90654
--- /dev/null
+++ b/handcoded-opencl/sql7.cl
@@ -0,0 +1,38 @@
+
+#define workUnits 64
+#define workUnitsM1 63
+
+typedef struct tag_my_struct {
+	int id;
+    int w;
+	int y;
+    } Row;
+
+__kernel void x1_search_kernel(int totalRows,
+							   __global Row *data,
+							   __global Row *resultArray,
+							   __global int *roffsetResult) {
+
+	int i = get_global_id(0);
+	size_t offset = i * (totalRows/workUnits);
+	size_t endRow = (totalRows/workUnits);
+	size_t roffset = offset; 
+	int tmp;
+
+	if (i == workUnitsM1) {
+		endRow = (totalRows/workUnits) + (totalRows % workUnits);
+	}
+	do {
+		tmp = data[offset].w * data[offset].y; 
+		if (tmp >= -5 && tmp <= 5) {
+			resultArray[roffset].id = data[offset].id;
+			resultArray[roffset].w = data[offset].w;
+			resultArray[roffset].y = data[offset].y;
+			roffset++;
+		} 
+		offset++;
+		endRow--;
+	} while (endRow);
+
+	roffsetResult[i] = roffset- (i * (totalRows/workUnits));
+}