File size: 2,702 Bytes
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"domain": "ai.onnx",
"name": "BitShift",
"sinceVersion": 11,
"inputs": { "x": { "onnx": "X", "dtype": "T" }, "y": { "onnx": "Y", "dtype": "T" } },
"outputs": {
"z": { "onnx": "Z", "dtype": "T", "rank": "max(ranks.x, ranks.y)", "shape": "broadcastShape(shapes.x, shapes.y)" }
},
"attributes": { "direction": {} },
"attributeConstraints": { "direction": { "required": true, "values": ["LEFT", "RIGHT"] } },
"typeConstraints": { "T": ["uint32", "uint8"] },
"tunables": { "WORKGROUP_SIZE": { "default": 256 } },
"derive": {
"leftShift": "attrs.direction == \"LEFT\"",
"logicalDtype": "tensorDtypes.z",
"bitWidth": "8 if tensorDtypes.z == \"uint8\" else 32"
},
"variants": [
{
"id": "same_shape_vec4",
"priority": 20,
"when": ["sameShape(shapes.x, shapes.z)", "sameShape(shapes.y, shapes.z)", "numel(shapes.z) > 0", "numel(shapes.z) % 4 == 0"],
"derive": { "vectorScalar": "\"vec4<\" ~ dtypes.T ~ \">\"" },
"passes": [
{
"id": "main",
"name": "BitShift.Vec4",
"shader": "bitshift-vec4.wgsl.jinja",
"bindings": [
{ "arg": "x", "elementType": "$vectorScalar" },
{ "arg": "y", "name": "shift", "elementType": "$vectorScalar" },
{ "arg": "z", "elementType": "$vectorScalar" },
{ "name": "params", "struct": [{ "name": "count", "type": "u32", "value": "numel(shapes.z) / 4" }] }
],
"dispatch": {
"x": "min(ceilDiv((numel(shapes.z) / 4), (tunables.WORKGROUP_SIZE)), 65535)",
"y": "ceilDiv(ceilDiv((numel(shapes.z) / 4), (tunables.WORKGROUP_SIZE)), 65535)",
"z": 1
}
}
]
},
{
"id": "broadcast",
"when": ["ranks.x >= 0", "ranks.y >= 0", "ranks.z >= 0", "ranks.x <= ranks.z", "ranks.y <= ranks.z"],
"passes": [
{
"id": "main",
"name": "BitShift",
"shader": "bitshift.wgsl.jinja",
"derive": {
"xShape": "shapes.x",
"yShape": "shapes.y",
"zShape": "shapes.z",
"xRank": "ranks.x",
"yRank": "ranks.y",
"zRank": "ranks.z"
},
"bindings": [
"x",
{ "arg": "y", "name": "shift" },
"z",
{ "name": "params", "struct": [{ "name": "count", "type": "u32", "value": "numel(shapes.z)" }] }
],
"dispatch": {
"x": "min(ceilDiv((numel(shapes.z)), (tunables.WORKGROUP_SIZE)), 65535)",
"y": "ceilDiv(ceilDiv((numel(shapes.z)), (tunables.WORKGROUP_SIZE)), 65535)",
"z": 1
}
}
]
}
]
}
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