ai.onnx.Pow / build /webgpu /test.json
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{
"op": "ai.onnx.Pow",
"cases": [
{
"name": "dispatch_cliff_broadcast_scalar_exp",
"inputs": {
"x": { "dtype": "float32", "shape": [4097, 4097], "data": { "kind": "constant", "value": 1.5 } },
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "constant", "value": 2.0 } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4097, 4097], "tolerance": 0.0001 } }
},
{
"name": "same_shape_square",
"inputs": {
"x": {
"dtype": "float32",
"shape": [19],
"data": { "kind": "fillFloat32", "sinStep": 0.13, "cosStep": 0.29, "scale": 0.2 }
},
"y": { "dtype": "float32", "shape": [19], "data": { "kind": "constant", "value": 2.0 } }
},
"outputs": { "z": { "dtype": "float32", "shape": [19], "tolerance": 0.000001 } }
},
{
"name": "negative_base_square",
"inputs": {
"x": {
"dtype": "float32",
"shape": [8],
"data": { "kind": "values", "values": [-4.0, -3.0, -2.0, -1.0, 0.0, 1.5, 2.0, 3.0] }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "constant", "value": 2.0 } }
},
"outputs": { "z": { "dtype": "float32", "shape": [8], "tolerance": 0.000001 } }
},
{
"name": "negative_base_square_sustained_4096",
"provenance": {
"notes": "Compact sibling for the negative-base square benchmark; preserves scalar exponent broadcast over a sustained f32 payload."
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [4096],
"data": { "kind": "fillFloat32", "sinStep": 0.011, "cosStep": 0.017, "scale": 2.0 }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "constant", "value": 2.0 } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4096], "tolerance": 0.00001, "relTolerance": 0.00001 } }
},
{
"name": "large_square_precision_regression",
"inputs": {
"x": {
"dtype": "float32",
"shape": [4],
"data": { "kind": "values", "values": [-2000.0, 2000.0, -4096.0, 4096.0] }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [2.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "tolerance": 0 } }
},
{
"name": "negative_one_exponent_finite_subnormal_reciprocal_gpu_gap",
"skipGpu": {
"category": "permanent",
"reason": "Portable WGSL floating-point semantics do not guarantee preservation of the subnormal values required by this fixture. Backend evidence: Metal flushes float32 subnormals to zero, so the subnormal base becomes 0 and x^-1 yields Infinity instead of the finite reciprocal."
},
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow",
"notes": "Pow(x, -1) is equivalent to reciprocal; subnormal bases can still have finite float32 reciprocals and must not become infinities."
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [4],
"data": { "kind": "values", "values": [1e-38, -1e-38, 4e-39, -4e-39] }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [-1.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "relTolerance": 0.00001 } }
},
{
"name": "negative_one_exponent_same_shape_subnormal_reciprocal_vec4_gpu_gap",
"skipGpu": {
"category": "permanent",
"reason": "Portable WGSL floating-point semantics do not guarantee preservation of the subnormal values required by this fixture. Backend evidence: Metal flushes float32 subnormals to zero, so the subnormal base becomes 0 and x^-1 yields Infinity instead of the finite reciprocal."
},
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow",
"notes": "Same-shape vec4 companion for Pow(x, -1): finite subnormal bases have representable reciprocals and must not be flushed before division."
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [4],
"data": { "kind": "values", "values": [1e-38, -1e-38, 4e-39, -4e-39] }
},
"y": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [-1.0, -1.0, -1.0, -1.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "relTolerance": 0.00001 } }
},
{
"name": "negative_one_exponent_finite_subnormal_reciprocal_scalar_gpu_gap",
"skipGpu": {
"category": "permanent",
"reason": "Portable WGSL floating-point semantics do not guarantee preservation of the subnormal values required by this fixture. Backend evidence: Metal flushes float32 subnormals to zero, so the subnormal base becomes 0 and x^-1 yields Infinity instead of the finite reciprocal."
},
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow",
"notes": "Scalar-path companion: Pow(x, -1) over subnormal bases must remain finite when the reciprocal is representable."
},
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1e-38, -1e-38, 4e-39] } },
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [-1.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "relTolerance": 0.00001 } }
},
{
"name": "zero_exponent_returns_one",
"provenance": {
"notes": "A folded exponent of zero selects the specialized constant-1 power chain that reads no input. IEEE and NumPy both give 1 for every base, so the uniform output is the assertion: an implementation reaching for exp(0 * log(x)) returns NaN on three of these eight."
},
"sourceContext": { "constantScalars": { "Y": 0 } },
"inputs": {
"x": {
"dtype": "float32",
"shape": [8],
"data": { "kind": "values", "values": [-3.0, -0.0, 0.0, 0.5, 2.0, "Infinity", "-Infinity", "NaN"] }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [0.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [8], "tolerance": 0 } }
},
{
"name": "negative_base_integer_exponents",
"inputs": {
"x": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [-2.0, -2.0, -2.0, -2.0] } },
"y": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [3.0, 4.0, -3.0, -2.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "tolerance": 0.000001 } }
},
{
"name": "scalar_sqrt_576",
"inputs": {
"x": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [576.0] } },
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [0.5] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [1], "tolerance": 0 } }
},
{
"name": "rank4_broadcast_sqrt",
"inputs": {
"x": { "dtype": "float32", "shape": [2, 3, 4, 5], "data": { "kind": "constant", "value": 4.0 } },
"y": { "dtype": "float32", "shape": [1, 3, 1, 5], "data": { "kind": "constant", "value": 0.5 } }
},
"outputs": { "z": { "dtype": "float32", "shape": [2, 3, 4, 5], "tolerance": 0.000001 } }
},
{
"name": "rank0_exponent_broadcast",
"inputs": {
"x": { "dtype": "float32", "shape": [5], "data": { "kind": "values", "values": [-3.0, -2.0, 0.0, 2.0, 4.0] } },
"y": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [3.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [5], "tolerance": 0.000001 } }
},
{
"name": "specialized_scalar_exponent_9",
"sourceContext": { "constantScalars": { "Y": 9 } },
"inputs": {
"x": {
"dtype": "float32",
"shape": [8],
"data": { "kind": "values", "values": [-2.0, -1.5, -1.0, 0.0, 0.5, 1.25, 2.0, 3.0] }
},
"y": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [9.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [8], "tolerance": 0.001 } }
},
{
"name": "specialized_scalar_exponent_9_sustained_4096",
"provenance": {
"notes": "Compact sibling for the scalar-exponent-9 benchmark; keeps the specialized chain over enough elements to validate dispatch behavior."
},
"sourceContext": { "constantScalars": { "Y": 9 } },
"inputs": {
"x": {
"dtype": "float32",
"shape": [4096],
"data": { "kind": "fillFloat32", "sinStep": 0.013, "cosStep": 0.019, "scale": 0.75 }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [9.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4096], "tolerance": 0.01, "relTolerance": 0.01 } }
},
{
"name": "specialized_scalar_exponent_negative_9",
"sourceContext": { "constantScalars": { "Y": -9 } },
"inputs": {
"x": {
"dtype": "float32",
"shape": [6],
"data": { "kind": "values", "values": [-2.0, -1.0, -0.5, 0.5, 1.5, 2.0] }
},
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [-9.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [6], "tolerance": 0.00001 } }
},
{
"name": "specialized_scalar_exponent_16",
"sourceContext": { "constantScalars": { "Y": 16 } },
"inputs": {
"x": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [-2.0, -1.25, 0.5, 2.0] } },
"y": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [16.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "tolerance": 0.001 } }
},
{
"name": "specialized_f16_base_int32_scalar_exponent_5",
"provenance": {
"notes": "Pairs the float16 base/output route with the independently typed int32 exponent while retaining the constant-exponent specialization."
},
"sourceContext": { "constantScalars": { "Y": 5 } },
"inputs": {
"x": { "dtype": "float16", "shape": [4], "data": { "kind": "values", "values": [-2.0, -1.0, 0.5, 2.0] } },
"y": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [5] } }
},
"outputs": { "z": { "dtype": "float16", "shape": [4], "tolerance": 0.05 } }
},
{
"name": "ort_float_2x2",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_Float"
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [2, 2],
"data": { "kind": "values", "values": [2.0, 2.0, 1.4142135623730951, 1.0] }
},
"y": { "dtype": "float32", "shape": [2, 2], "data": { "kind": "values", "values": [0.0, 8.0, 2.0, 9.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [2, 2], "tolerance": 0.000001 } }
},
{
"name": "ort_broadcast_scalar_base",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_Broadcast_Scalar0"
},
"inputs": {
"x": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [2.0] } },
"y": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0.000001 } }
},
{
"name": "ort_broadcast_scalar_exponent",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_Broadcast_Scalar1"
},
"sourceContext": { "constantScalars": { "Y": 2 } },
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [2.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0.000001 } }
},
{
"name": "ort_broadcast_scalar_int32_exponent",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_Broadcast_Scalar1_float_int32_12"
},
"sourceContext": { "constantScalars": { "Y": 3 } },
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "int32", "shape": [], "data": { "kind": "values", "values": [3] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0.000001 } }
},
{
"name": "ort_float_int8_exponent_extremes_vec4",
"provenance": {
"source": "onnxruntime/test/providers/dnnl/math/element_wise_ops_test.cc",
"test": "MathOpTest.DNNL_Pow_Broadcast_Scalar1_float_int8_12",
"notes": "Extends ORT's int8 exponent case to a bound same-shape vec4 route and the signed int8 extrema."
},
"inputs": {
"x": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [1.0, -1.0, 2.0, 0.5] } },
"y": { "dtype": "int8", "shape": [4], "data": { "kind": "values", "values": [-128, 127, -3, 3] } }
},
"outputs": {
"z": {
"dtype": "float32",
"shape": [4],
"tolerance": 0.000001,
"data": { "kind": "values", "values": [1.0, -1.0, 0.125, 0.125] }
}
}
},
{
"name": "ort_float_uint8_exponent_extremes_vec4",
"provenance": {
"source": "onnxruntime/test/providers/dnnl/math/element_wise_ops_test.cc",
"test": "MathOpTest.DNNL_Pow_Broadcast_Scalar1_float_uint8_12",
"notes": "Extends ORT's uint8 exponent case to a bound same-shape vec4 route and the unsigned uint8 maximum."
},
"inputs": {
"x": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [1.0, -1.0, 2.0, 0.5] } },
"y": { "dtype": "uint8", "shape": [4], "data": { "kind": "values", "values": [255, 254, 3, 2] } }
},
"outputs": {
"z": {
"dtype": "float32",
"shape": [4],
"tolerance": 0.000001,
"data": { "kind": "values", "values": [1.0, 1.0, 8.0, 0.25] }
}
}
},
{
"name": "ort_float_int16_exponent_extremes_vec4",
"provenance": {
"source": "onnx/onnx/docs/Operators.md#Pow-15",
"notes": "Covers the ONNX-standard int16 exponent route with a bound same-shape vec4 and both signed extrema."
},
"inputs": {
"x": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [1.0, -1.0, 2.0, 0.5] } },
"y": { "dtype": "int16", "shape": [4], "data": { "kind": "values", "values": [-32768, 32767, -3, 3] } }
},
"outputs": {
"z": {
"dtype": "float32",
"shape": [4],
"tolerance": 0.000001,
"data": { "kind": "values", "values": [1.0, -1.0, 0.125, 0.125] }
}
}
},
{
"name": "ort_float_int32_exponent",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_float_int32"
},
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "int32", "shape": [3], "data": { "kind": "values", "values": [4, 5, 6] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0.000001 } }
},
{
"name": "ort_int32_float_exponent",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_int32_float"
},
"inputs": {
"x": { "dtype": "int32", "shape": [3], "data": { "kind": "values", "values": [1, 2, 3] } },
"y": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [4.0, 5.0, 6.0] } }
},
"outputs": { "z": { "dtype": "int32", "shape": [3], "tolerance": 0 } }
},
{
"name": "ort_int32_float_scalar_exponent_one_exact_above_float24",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_int32_float",
"notes": "Extends ORT's int32-base/float-exponent coverage with exponent 1 values above f32's exact integer range."
},
"sourceContext": { "constantScalars": { "Y": 1 } },
"inputs": {
"x": {
"dtype": "int32",
"shape": [6],
"data": { "kind": "values", "values": [-16777218, -16777217, -16777216, 16777216, 16777217, 16777218] }
},
"y": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [1.0] } }
},
"outputs": {
"z": {
"dtype": "int32",
"shape": [6],
"tolerance": 0,
"data": { "kind": "values", "values": [-16777218, -16777217, -16777216, 16777216, 16777217, 16777218] }
}
}
},
{
"name": "ort_int32_float_vector_exponent_one_exact_above_float24",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_int32_float",
"notes": "Extends ORT's int32-base/float-exponent coverage with generic broadcast exponent 1 values above f32's exact integer range."
},
"inputs": {
"x": {
"dtype": "int32",
"shape": [6],
"data": { "kind": "values", "values": [-16777218, -16777217, -16777216, 16777216, 16777217, 16777218] }
},
"y": {
"dtype": "float32",
"shape": [6],
"data": { "kind": "values", "values": [1.0, 1.0, 1.0, 1.0, 1.0, 1.0] }
}
},
"outputs": {
"z": {
"dtype": "int32",
"shape": [6],
"tolerance": 0,
"data": { "kind": "values", "values": [-16777218, -16777217, -16777216, 16777216, 16777217, 16777218] }
}
}
},
{
"name": "ort_float16_2x2",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.Pow_float16_float16"
},
"inputs": {
"x": {
"dtype": "float16",
"shape": [4],
"data": { "kind": "values", "values": [2.0, 2.0, 1.4142135623730951, 1.0] }
},
"y": { "dtype": "float16", "shape": [4], "data": { "kind": "values", "values": [0.0, 8.0, 2.0, 9.0] } }
},
"outputs": { "z": { "dtype": "float16", "shape": [4], "tolerance": 0.001 } }
},
{
"name": "onnx_backend_pow",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow" },
"inputs": {
"x": {
"dtype": "float32",
"shape": [3, 4, 5],
"data": {
"kind": "values",
"values": [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0, 20.0, 21.0, 22.0, 23.0, 24.0, 25.0, 26.0, 27.0, 28.0, 29.0, 30.0, 31.0, 32.0, 33.0, 34.0, 35.0, 36.0, 37.0, 38.0, 39.0, 40.0, 41.0, 42.0, 43.0, 44.0, 45.0, 46.0, 47.0, 48.0, 49.0, 50.0, 51.0, 52.0, 53.0, 54.0, 55.0, 56.0, 57.0, 58.0, 59.0]
}
},
"y": {
"dtype": "float32",
"shape": [3, 4, 5],
"data": {
"kind": "values",
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},
"outputs": { "z": { "dtype": "float32", "shape": [3, 4, 5], "tolerance": 0.002 } }
},
{
"name": "onnx_backend_pow_bcast_array",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_bcast_array" },
"inputs": {
"x": {
"dtype": "float32",
"shape": [2, 3],
"data": { "kind": "values", "values": [1.0, 2.0, 3.0, 4.0, 5.0, 6.0] }
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"y": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } }
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"outputs": { "z": { "dtype": "float32", "shape": [2, 3], "tolerance": 0.0001 } }
},
{
"name": "onnx_backend_pow_bcast_scalar",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_bcast_scalar" },
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [2.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0.0001 } }
},
{
"name": "onnx_backend_pow_example",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_example" },
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [4.0, 5.0, 6.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0.0002 } }
},
{
"name": "wgsl_builtin_positive_base",
"inputs": {
"x": {
"dtype": "float32",
"shape": [6],
"data": { "kind": "values", "values": [0.25, 0.5, 1.0, 1.5, 2.0, 4.0] }
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"y": {
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"shape": [6],
"data": { "kind": "values", "values": [-2.0, 0.5, 3.0, -0.75, 2.5, 1.25] }
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"outputs": { "z": { "dtype": "float32", "shape": [6], "tolerance": 0.00001 } }
},
{
"name": "ort_dim_zero_equal_rank",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.DimWithZeroHandling",
"notes": "Projected from ORT's binary elementwise zero-dimension Add coverage to generic ONNX multidirectional broadcasting."
},
"inputs": {
"x": { "dtype": "float32", "shape": [3, 1], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "float32", "shape": [3, 0], "data": { "kind": "values", "values": [] } }
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"outputs": { "z": { "dtype": "float32", "shape": [3, 0], "tolerance": 0 } }
},
{
"name": "ort_dim_zero_scalar_broadcast",
"provenance": {
"source": "onnxruntime/test/providers/cpu/math/element_wise_ops_test.cc",
"test": "MathOpTest.DimWithZeroHandling",
"notes": "Projected from ORT's binary elementwise zero-dimension Add coverage to generic ONNX multidirectional broadcasting."
},
"inputs": {
"x": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [1.0] } },
"y": { "dtype": "float32", "shape": [0], "data": { "kind": "values", "values": [] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [0], "tolerance": 0 } }
},
{
"name": "onnx_backend_types_float32_int32",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_types_float32_int32" },
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "int32", "shape": [3], "data": { "kind": "values", "values": [4, 5, 6] } }
},
"outputs": {
"z": {
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"shape": [3],
"tolerance": 0,
"data": { "kind": "values", "values": [1.0, 32.0, 729.0] }
}
}
},
{
"name": "onnx_backend_types_float32_uint32",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_types_float32_uint32" },
"inputs": {
"x": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, 2.0, 3.0] } },
"y": { "dtype": "uint32", "shape": [3], "data": { "kind": "values", "values": [4, 5, 6] } }
},
"outputs": {
"z": {
"dtype": "float32",
"shape": [3],
"tolerance": 0,
"data": { "kind": "values", "values": [1.0, 32.0, 729.0] }
}
}
},
{
"name": "onnx_backend_types_int32_float32",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_types_int32_float32" },
"inputs": {
"x": { "dtype": "int32", "shape": [3], "data": { "kind": "values", "values": [1, 2, 3] } },
"y": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [4.0, 5.0, 6.0] } }
},
"outputs": {
"z": { "dtype": "int32", "shape": [3], "tolerance": 0, "data": { "kind": "values", "values": [1, 32, 729] } }
}
},
{
"name": "onnx_backend_types_int32_int32",
"provenance": { "source": "cmake/external/onnx/onnx/backend/test/data/node/test_pow_types_int32_int32" },
"inputs": {
"x": { "dtype": "int32", "shape": [3], "data": { "kind": "values", "values": [1, 2, 3] } },
"y": { "dtype": "int32", "shape": [3], "data": { "kind": "values", "values": [4, 5, 6] } }
},
"outputs": {
"z": { "dtype": "int32", "shape": [3], "tolerance": 0, "data": { "kind": "values", "values": [1, 32, 729] } }
}
},
{
"name": "inf_nan_base_zero_even_odd_exponents_same_shape_vec4",
"provenance": {
"notes": "Edge-value propagation through the same_shape_vec4 path (numel%4==0). Only deterministic short-circuit branches of pow_custom are exercised (b==0 -> 1, b==2 -> a*a, b==3 -> a*a*a); no Metal pow() builtin. Pow(inf,0)=1, Pow(NaN,0)=1, Pow(-inf,2)=inf, Pow(inf,3)=inf per IEEE/numpy."
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [4],
"data": { "kind": "values", "values": ["Infinity", "-Infinity", "NaN", "Infinity"] }
},
"y": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [0.0, 2.0, 0.0, 3.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "tolerance": 0, "allowNaN": true } }
},
{
"name": "inf_nan_base_square_scalar_broadcast",
"provenance": {
"notes": "Edge-value propagation through the scalar broadcast fallback (pow.wgsl.jinja, scalar Y not flagged constant -> custom mode). b==2 short-circuit -> a*a only, no Metal pow() builtin. Pow(inf,2)=inf, Pow(-inf,2)=inf, Pow(NaN,2)=NaN per IEEE/numpy."
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [3],
"data": { "kind": "values", "values": ["Infinity", "-Infinity", "NaN"] }
},
"y": { "dtype": "float32", "shape": [], "data": { "kind": "values", "values": [2.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [3], "tolerance": 0, "allowNaN": true } }
},
{
"name": "negative_base_negative_even_exponent_broadcast_custom",
"provenance": {
"notes": "Exercises the pow_custom negative-base sign branch (magnitude=pow(abs(a), b) with signed negative b) for exponents outside the -1/-2/-3 short-circuit ladder; not covered by existing negative_base_integer_exponents (3,4,-3,-2)."
},
"inputs": {
"x": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [-2.0, -2.0, -3.0, -4.0] } },
"y": { "dtype": "float32", "shape": [4], "data": { "kind": "values", "values": [-4.0, -6.0, -5.0, -4.0] } }
},
"outputs": { "z": { "dtype": "float32", "shape": [4], "relTolerance": 0.00001 } }
},
{
"name": "same_shape_vec4_2d_dispatch_fold_last_vec_guard",
"requires": { "limits": { "maxBufferSize": 268435472, "maxStorageBufferBindingSize": 268435472 } },
"provenance": {
"notes": "numel=67108868 -> 16777217 vec4s, one past the 65536*256 fold boundary; verifies gid.y high-bit fold + `i >= params.count` guard admit the final vec4 (elements 67108864..67108867) in same_shape_vec4. Exponent 2 uses the cheap a*a short-circuit and a nonzero periodic base to keep host preparation compute-light while preserving final-vector coverage. Its largest tensor is 268435472 bytes, so the case needs an adapter whose maxBufferSize and maxStorageBufferBindingSize both reach it — declared, because the WebGPU guaranteed minimums (256 MiB / 128 MiB) do not, and a device at them must report the case inapplicable rather than fail allocating it."
},
"inputs": {
"x": {
"dtype": "float32",
"shape": [67108868],
"data": { "kind": "cycle", "values": [0.5, -0.75, 1.25, -1.5] }
},
"y": { "dtype": "float32", "shape": [67108868], "data": { "kind": "constant", "value": 2.0 } }
},
"outputs": { "z": { "dtype": "float32", "shape": [67108868], "relTolerance": 0.00001 } }
},
{
"name": "rank7_broadcast_scalar_tail",
"inputs": {
"x": {
"dtype": "float32",
"shape": [2, 1, 2, 1, 2, 1, 3],
"data": { "kind": "cycle", "values": [0.5, 1.0, 1.5, 2.0] }
},
"y": {
"dtype": "float32",
"shape": [1, 2, 1, 2, 1, 2, 1],
"data": { "kind": "cycle", "values": [1.0, 2.0, 3.0] }
}
},
"outputs": { "z": { "dtype": "float32", "shape": [2, 2, 2, 2, 2, 2, 3], "tolerance": 0.000001 } }
},
{
"name": "rank8_broadcast_alternating",
"attrs": {},
"inputs": {
"x": {
"dtype": "float32",
"shape": [2, 1, 2, 1, 2, 1, 2, 3],
"data": { "kind": "cycle", "values": [1.5, 2.0, 0.5, 3.0] }
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"y": {
"dtype": "float32",
"shape": [1, 2, 1, 2, 1, 2, 1, 1],
"data": { "kind": "cycle", "values": [2.0, 1.0] }
}
},
"outputs": { "z": { "dtype": "float32", "shape": [2, 2, 2, 2, 2, 2, 2, 3], "tolerance": 0.000001 } }
},
{
"name": "int32_base_negative_scalar_exponent",
"provenance": {
"notes": "A negative constant exponent over an integer base. The specialized chain only handles non-negative powers, so a negative one falls back to the f32 route and truncates; no case had ever taken that arm. Bases of +/-1 survive the reciprocal, larger magnitudes truncate to zero, so the expected output is not uniform."
},
"sourceContext": { "constantScalars": { "Y": -1 } },
"inputs": {
"x": { "dtype": "int32", "shape": [8], "data": { "kind": "values", "values": [1, -1, 2, -2, 3, -3, 1, -1] } },
"y": { "dtype": "int32", "shape": [1], "data": { "kind": "constant", "value": -1 } }
},
"outputs": { "z": { "dtype": "int32", "shape": [8], "tolerance": 0 } }
},
{
"name": "int32_base_uint32_exponent_tensor",
"provenance": {
"notes": "An unsigned exponent tensor over an integer base checks the uint32 exponent load. Exponents above 31 also exercise the floating-point fallback for large powers."
},
"inputs": {
"x": { "dtype": "int32", "shape": [8], "data": { "kind": "values", "values": [2, 2, 2, 2, 2, -2, 1, -1] } },
"y": { "dtype": "uint32", "shape": [8], "data": { "kind": "values", "values": [0, 1, 2, 3, 10, 3, 31, 40] } }
},
"outputs": { "z": { "dtype": "int32", "shape": [8], "tolerance": 0 } }
}
]
}