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"op": "com.microsoft.GroupQueryAttention",
"tunableSpace": {
"PREFILL_QUERY_TILE": [16, 32],
"PREFILL_LANES_PER_QUERY": [4, 8],
"CLUSTER_TILE_K_F32": [8, 16, 32],
"NO_SG_TILE_K_MAX": [8, 16]
},
"cases": [
{
"name": "gqa-f32-1x64x64-h4kv2d16",
"preset": "smoke",
"vars": { "batch": 1, "qSeq": 64, "kvSeq": 64, "heads": 4, "kvHeads": 2, "headDim": 16 },
"attrs": { "num_heads": 4, "kv_num_heads": 2, "scale": 0.25, "causal": 0 },
"inputs": {
"queryT": { "shape": [1, 64, 64], "dtype": "float32", "dist": "normal", "seed": 209, "scale": 0.2 },
"keyT": { "shape": [1, 64, 32], "dtype": "float32", "dist": "normal", "seed": 210, "scale": 0.2 },
"valueT": { "shape": [1, 64, 32], "dtype": "float32", "dist": "normal", "seed": 211, "scale": 0.2 },
"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [63] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [64] } }
},
"outputs": {
"outputT": { "shape": [1, 64, 64], "dtype": "float32" },
"presentKeyT": { "shape": [1, 2, 64, 16], "dtype": "float32" },
"presentValueT": { "shape": [1, 2, 64, 16], "dtype": "float32" }
},
"bench": {
"metrics": [
{ "type": "gflops", "value": "4 * args.batch * args.qSeq * args.kvSeq * args.heads * args.headDim" }
]
}
},
{
"name": "qwen3-prefill-32h8kv-d128-s512",
"preset": "smoke",
"vars": { "batch": 1, "qSeq": 512, "kvSeq": 512, "heads": 32, "kvHeads": 8, "headDim": 128 },
"attrs": { "num_heads": 32, "kv_num_heads": 8, "scale": 0.08838834764831845, "causal": 0 },
"inputs": {
"queryT": { "shape": [1, 512, 4096], "dtype": "float32", "dist": "normal", "seed": 370, "scale": 0.2 },
"keyT": { "shape": [1, 512, 1024], "dtype": "float32", "dist": "normal", "seed": 371, "scale": 0.2 },
"valueT": { "shape": [1, 512, 1024], "dtype": "float32", "dist": "normal", "seed": 372, "scale": 0.2 },
"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [511] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [512] } }
},
"outputs": {
"outputT": { "shape": [1, 512, 4096], "dtype": "float32" },
"presentKeyT": { "shape": [1, 8, 512, 128], "dtype": "float32" },
"presentValueT": { "shape": [1, 8, 512, 128], "dtype": "float32" }
},
"bench": {
"primary": true,
"metrics": [
{ "type": "gflops", "value": "4 * args.batch * args.qSeq * args.kvSeq * args.heads * args.headDim" }
]
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},
{
"name": "decode-h4kv1-d64-kv512",
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"vars": { "batch": 1, "qSeq": 1, "kvSeq": 512, "heads": 4, "kvHeads": 1, "headDim": 64 },
"attrs": { "num_heads": 4, "kv_num_heads": 1, "scale": 0.125, "causal": 0 },
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"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [512] } }
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"bench": {
"metrics": [
{
"type": "bandwidth",
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}
]
}
},
{
"name": "llama-decode-32h8kv-d128-kv2048",
"preset": "model",
"vars": { "batch": 1, "qSeq": 1, "kvSeq": 2048, "heads": 32, "kvHeads": 8, "headDim": 128 },
"attrs": { "num_heads": 32, "kv_num_heads": 8, "scale": 0.08838834764831845, "causal": 0 },
"inputs": {
"queryT": { "shape": [1, 1, 4096], "dtype": "float32", "dist": "normal", "seed": 373, "scale": 0.2 },
"keyT": { "shape": [1, 2048, 1024], "dtype": "float32", "dist": "normal", "seed": 374, "scale": 0.2 },
"valueT": { "shape": [1, 2048, 1024], "dtype": "float32", "dist": "normal", "seed": 375, "scale": 0.2 },
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"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [2048] } }
},
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"presentKeyT": { "shape": [1, 8, 2048, 128], "dtype": "float32" },
"presentValueT": { "shape": [1, 8, 2048, 128], "dtype": "float32" }
},
"bench": {
"primary": true,
"metrics": [
{
"type": "bandwidth",
"value": "(4 * args.kvSeq * args.kvHeads * args.headDim + 2 * args.qSeq * args.heads * args.headDim) * 4"
}
]
}
},
{
"name": "llama-decode-32h8kv-d128-kv8192",
"preset": "stress",
"vars": { "batch": 1, "qSeq": 1, "kvSeq": 8192, "heads": 32, "kvHeads": 8, "headDim": 128 },
"attrs": { "num_heads": 32, "kv_num_heads": 8, "scale": 0.08838834764831845, "causal": 0 },
"inputs": {
"queryT": { "shape": [1, 1, 4096], "dtype": "float32", "dist": "normal", "seed": 373, "scale": 0.2 },
"keyT": { "shape": [1, 8192, 1024], "dtype": "float32", "dist": "normal", "seed": 374, "scale": 0.2 },
"valueT": { "shape": [1, 8192, 1024], "dtype": "float32", "dist": "normal", "seed": 375, "scale": 0.2 },
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"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [8192] } }
},
"outputs": {
"outputT": { "shape": [1, 1, 4096], "dtype": "float32" },
"presentKeyT": { "shape": [1, 8, 8192, 128], "dtype": "float32" },
"presentValueT": { "shape": [1, 8, 8192, 128], "dtype": "float32" }
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"bench": {
"primary": false,
"metrics": [
{
"type": "bandwidth",
"value": "(4 * args.kvSeq * args.kvHeads * args.headDim + 2 * args.qSeq * args.heads * args.headDim) * 4"
}
]
},
"provenance": {
"notes": "Long-context decode beyond the MAX_SPLITS boundary: ceilDiv(kvSeq, QKV_SPLIT_TILE_K)=64 exceeds the cap of 16. Paired with the headDim-32 control, this case checks the tradeoff between additional split parallelism and merge overhead without assuming that one flat cap is optimal for both geometries."
}
},
{
"name": "qwen3-prefill-32h8kv-d128-s512-f16",
"preset": "model",
"vars": { "batch": 1, "qSeq": 512, "kvSeq": 512, "heads": 32, "kvHeads": 8, "headDim": 128 },
"attrs": { "num_heads": 32, "kv_num_heads": 8, "scale": 0.08838834764831845, "causal": 0 },
"inputs": {
"queryT": { "shape": [1, 512, 4096], "dtype": "float16", "dist": "normal", "seed": 370, "scale": 0.2 },
"keyT": { "shape": [1, 512, 1024], "dtype": "float16", "dist": "normal", "seed": 371, "scale": 0.2 },
"valueT": { "shape": [1, 512, 1024], "dtype": "float16", "dist": "normal", "seed": 372, "scale": 0.2 },
"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [511] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [512] } }
},
"outputs": {
"outputT": { "shape": [1, 512, 4096], "dtype": "float16" },
"presentKeyT": { "shape": [1, 8, 512, 128], "dtype": "float16" },
"presentValueT": { "shape": [1, 8, 512, 128], "dtype": "float16" }
},
"bench": {
"metrics": [
{ "type": "gflops", "value": "4 * args.batch * args.qSeq * args.kvSeq * args.heads * args.headDim" }
]
}
},
{
"name": "llama-decode-32h8kv-d128-kv2048-f16",
"preset": "model",
"vars": { "batch": 1, "qSeq": 1, "kvSeq": 2048, "heads": 32, "kvHeads": 8, "headDim": 128 },
"attrs": { "num_heads": 32, "kv_num_heads": 8, "scale": 0.08838834764831845, "causal": 0 },
"inputs": {
"queryT": { "shape": [1, 1, 4096], "dtype": "float16", "dist": "normal", "seed": 373, "scale": 0.2 },
"keyT": { "shape": [1, 2048, 1024], "dtype": "float16", "dist": "normal", "seed": 374, "scale": 0.2 },
"valueT": { "shape": [1, 2048, 1024], "dtype": "float16", "dist": "normal", "seed": 375, "scale": 0.2 },
"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [2047] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [2048] } }
},
"outputs": {
"outputT": { "shape": [1, 1, 4096], "dtype": "float16" },
"presentKeyT": { "shape": [1, 8, 2048, 128], "dtype": "float16" },
"presentValueT": { "shape": [1, 8, 2048, 128], "dtype": "float16" }
},
"bench": {
"metrics": [
{
"type": "bandwidth",
"value": "(4 * args.kvSeq * args.kvHeads * args.headDim + 2 * args.qSeq * args.heads * args.headDim) * 2"
}
]
}
},
{
"name": "sharedkv-decode-32h8kv-d128-kv2048",
"preset": "smoke",
"attrs": { "num_heads": 32, "kv_num_heads": 8 },
"inputs": {
"queryT": {
"dtype": "float32",
"shape": [1, 1, 4096],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.011, "cosStep": 0.029 }
},
"keyT": { "dtype": "float32", "shape": [1, 0, 1024], "data": { "kind": "values", "values": [] } },
"valueT": { "dtype": "float32", "shape": [1, 0, 1024], "data": { "kind": "values", "values": [] } },
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"shape": [1, 8, 2048, 128],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.017, "cosStep": 0.019 }
},
"pastValueT": {
"dtype": "float32",
"shape": [1, 8, 2048, 128],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.023, "cosStep": 0.013 }
},
"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [2047] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [2048] } }
},
"outputs": {
"outputT": { "dtype": "float32", "shape": [1, 1, 4096] },
"presentKeyT": { "dtype": "float32", "shape": [1, 8, 2048, 128] },
"presentValueT": { "dtype": "float32", "shape": [1, 8, 2048, 128] }
},
"bench": {
"metrics": [
{
"type": "gflops",
"value": "4 * dim(shapes.queryT, 1) * dim(shapes.pastKeyT, 2) * (dim(shapes.queryT, 2) / attrs.num_heads) * attrs.num_heads"
}
]
}
},
{
"name": "sharedkv-prefill-32h8kv-d128-s64",
"preset": "smoke",
"attrs": { "num_heads": 32, "kv_num_heads": 8 },
"inputs": {
"queryT": {
"dtype": "float32",
"shape": [1, 64, 4096],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.011, "cosStep": 0.029 }
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"keyT": { "dtype": "float32", "shape": [1, 0, 1024], "data": { "kind": "values", "values": [] } },
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"shape": [1, 8, 64, 128],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.017, "cosStep": 0.019 }
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"shape": [1, 8, 64, 128],
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"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [63] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [64] } }
},
"outputs": {
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"presentKeyT": { "dtype": "float32", "shape": [1, 8, 64, 128] },
"presentValueT": { "dtype": "float32", "shape": [1, 8, 64, 128] }
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"type": "gflops",
"value": "4 * dim(shapes.queryT, 2) * (dim(shapes.queryT, 1) * (dim(shapes.pastKeyT, 2) - dim(shapes.queryT, 1)) + dim(shapes.queryT, 1) * (dim(shapes.queryT, 1) + 1) / 2)"
}
]
}
},
{
"name": "sharedkv-prefill-32h8kv-d128-s128",
"preset": "smoke",
"attrs": { "num_heads": 32, "kv_num_heads": 8 },
"inputs": {
"queryT": {
"dtype": "float32",
"shape": [1, 128, 4096],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.011, "cosStep": 0.029 }
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"keyT": { "dtype": "float32", "shape": [1, 0, 1024], "data": { "kind": "values", "values": [] } },
"valueT": { "dtype": "float32", "shape": [1, 0, 1024], "data": { "kind": "values", "values": [] } },
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"shape": [1, 8, 128, 128],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.017, "cosStep": 0.019 }
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"shape": [1, 8, 128, 128],
"data": { "kind": "fillFloat32", "scale": 0.2, "sinStep": 0.023, "cosStep": 0.013 }
},
"seqlensKT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [127] } },
"totalSequenceLengthT": { "dtype": "int32", "shape": [1], "data": { "kind": "values", "values": [128] } }
},
"outputs": {
"outputT": { "dtype": "float32", "shape": [1, 128, 4096] },
"presentKeyT": { "dtype": "float32", "shape": [1, 8, 128, 128] },
"presentValueT": { "dtype": "float32", "shape": [1, 8, 128, 128] }
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"bench": {
"metrics": [
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"provenance": {
"source": "register-geometry gate asymmetry",
"notes": "Cached f32 prefill at headDim 256, above the shared-memory cluster's register-geometry boundary. This guards consistent route admission between no-past and cached prefill families."
}
}
]
}
|