fix much stuff

validation/operations/README.md

@@ -30,7 +30,7 @@ python3 validation/operations/gen_tests.py
 
 | Test          | Directory               | A (input) | W (weight) | Output   | transB | alpha | beta | Bias  | Notes                        |
 |---------------|-------------------------|-----------|------------|----------|--------|-------|------|-------|------------------------------|
-| Default       | `gemm/`                 | [10,132]  | [132,132]  | [10,132] | no     | 1     | 1    | no    | Hand-crafted, square weights |
+| Simple        | `gemm/simple`           | [10,132]  | [132,132]  | [10,132] | no     | 1     | 1    | no    | Square weights               |
 | Non-square    | `gemm/non_square`       | [4,128]   | [128,64]   | [4,64]   | no     | 1     | 1    | no    | K != N                       |
 | With bias     | `gemm/with_bias`        | [4,128]   | [128,128]  | [4,128]  | no     | 1     | 1    | [128] | Bias vector                  |
 | transB        | `gemm/transB`           | [4,128]   | [64,128]   | [4,64]   | yes    | 1     | 1    | no    | Transposed weight            |

validation/operations/gen_tests.py

@@ -185,6 +185,18 @@ def conv_depthwise_grouped():
 # GEMM tests
 # ---------------------------------------------------------------------------
 
+def gemm_simple():
+    """Simple GEMM with square weights: [10, 132] @ [132, 132]."""
+    B, K, N = 10, 132, 132
+    W = numpy_helper.from_array(np.random.default_rng(41).uniform(-1, 1, (K, N)).astype(np.float32), name="W")
+    A = helper.make_tensor_value_info("A", TensorProto.FLOAT, [B, K])
+    Y = helper.make_tensor_value_info("Y", TensorProto.FLOAT, [B, N])
+    node = helper.make_node("Gemm", ["A", "W"], ["Y"])
+    graph = helper.make_graph([node], "gemm_simple", [A], [Y], initializer=[W])
+    model = helper.make_model(graph, opset_imports=[helper.make_opsetid("", 13)])
+    save_model(model, "gemm/simple", "gemm_simple.onnx")
+
+
 def gemm_non_square():
     """GEMM with non-square weight matrix: [B, K] @ [K, N], K != N."""
     B, K, N = 4, 128, 64
@@ -823,6 +835,7 @@ def div_after_gemm():
 
 if __name__ == "__main__":
     print("Generating GEMM tests:")
+    gemm_simple()
     gemm_non_square()
     gemm_with_bias()
     gemm_transB()