{ "cases": [ { "name": "row_updates", "inputs": { "data": { "dtype": "float32", "shape": [4096, 768] }, "indices": { "dtype": "int32", "shape": [128, 1], "min": 0, "max": 4096 }, "updates": { "dtype": "float32", "shape": [128, 768] } }, "outputs": { "output": { "dtype": "float32", "shape": [4096, 768] } } }, { "name": "row_updates_reduction_add", "preset": "smoke", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float32", "shape": [4096, 768], "dist": "normal", "seed": 1 }, "indices": { "dtype": "int32", "shape": [512, 1], "dist": "linearMod", "mod": 4096, "step": 9 }, "updates": { "dtype": "float32", "shape": [512, 768], "dist": "normal", "seed": 2 } }, "outputs": { "output": { "dtype": "float32", "shape": [4096, 768], "dist": "empty" } }, "bench": { "primary": true, "metrics": [ { "type": "bandwidth", "value": "4 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "row_updates_reduction_max", "preset": "smoke", "attrs": { "reduction": "max" }, "inputs": { "data": { "dtype": "float32", "shape": [4096, 768], "dist": "normal", "seed": 1 }, "indices": { "dtype": "int32", "shape": [512, 1], "dist": "linearMod", "mod": 4096, "step": 9 }, "updates": { "dtype": "float32", "shape": [512, 768], "dist": "normal", "seed": 2 } }, "outputs": { "output": { "dtype": "float32", "shape": [4096, 768], "dist": "empty" } } }, { "name": "scalar_updates_reduction_add_contended_1m", "preset": "stress", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float32", "shape": [1024], "dist": "normal", "seed": 1 }, "indices": { "dtype": "int32", "shape": [1048576, 1], "dist": "randint", "min": 0, "max": 1024, "seed": 3 }, "updates": { "dtype": "float32", "shape": [1048576], "dist": "normal", "seed": 2 } }, "outputs": { "output": { "dtype": "float32", "shape": [1024], "dist": "empty" } } }, { "name": "scalar_updates_reduction_add_single_slot_1m", "preset": "stress", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float32", "shape": [1024], "dist": "normal", "seed": 1 }, "indices": { "dtype": "int32", "shape": [1048576, 1], "dist": "constant", "value": 0 }, "updates": { "dtype": "float32", "shape": [1048576], "dist": "normal", "seed": 2 } }, "outputs": { "output": { "dtype": "float32", "shape": [1024], "dist": "empty" } } }, { "name": "row_updates_dense_8192x1024", "preset": "model", "inputs": { "data": { "dtype": "float32", "shape": [8192, 1024], "dist": "normal", "seed": 701 }, "indices": { "dtype": "int32", "shape": [8192, 1], "dist": "linearMod", "mod": 8192, "step": 7 }, "updates": { "dtype": "float32", "shape": [8192, 1024], "dist": "normal", "seed": 703 } }, "outputs": { "output": { "dtype": "float32", "shape": [8192, 1024], "dist": "empty" } }, "bench": { "primary": false, "metrics": [ { "type": "bandwidth", "value": "4 * (2 * numel(shapes.data) + numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f16_reduction_add_single_lane_serial_cliff", "preset": "smoke", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float16", "shape": [4096, 768], "dist": "normal", "seed": 1 }, "indices": { "dtype": "int32", "shape": [512, 1], "dist": "linearMod", "mod": 4096, "step": 9 }, "updates": { "dtype": "float16", "shape": [512, 768], "dist": "normal", "seed": 2 } }, "outputs": { "output": { "dtype": "float16", "shape": [4096, 768], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "2 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f32_reduction_add_atomic_parallel_control", "preset": "smoke", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float32", "shape": [4096, 768], "dist": "normal", "seed": 1 }, "indices": { "dtype": "int32", "shape": [512, 1], "dist": "linearMod", "mod": 4096, "step": 9 }, "updates": { "dtype": "float32", "shape": [512, 768], "dist": "normal", "seed": 2 } }, "outputs": { "output": { "dtype": "float32", "shape": [4096, 768], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "4 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "int8_reduction_add_atomic_path_control", "preset": "smoke", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "int8", "shape": [1024], "dist": "constant", "value": 0 }, "indices": { "dtype": "int32", "shape": [262144, 1], "dist": "randint", "min": 0, "max": 1024, "seed": 3 }, "updates": { "dtype": "int8", "shape": [262144], "dist": "constant", "value": 1 } }, "outputs": { "output": { "dtype": "int8", "shape": [1024], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "numel(shapes.data) + 3 * numel(shapes.updates) + 4 * numel(shapes.indices)" } ] } }, { "name": "f16_row_update_none_unaligned770_batch0_cliff", "preset": "smoke", "inputs": { "data": { "dtype": "float16", "shape": [4096, 770], "dist": "normal", "seed": 11 }, "indices": { "dtype": "int32", "shape": [128, 1], "dist": "linearMod", "mod": 4096, "step": 9 }, "updates": { "dtype": "float16", "shape": [128, 770], "dist": "normal", "seed": 12 } }, "outputs": { "output": { "dtype": "float16", "shape": [4096, 770], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "2 * (2 * numel(shapes.data) + numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f16_row_update_none_aligned768_rowfast_control", "preset": "smoke", "inputs": { "data": { "dtype": "float16", "shape": [4096, 768], "dist": "normal", "seed": 11 }, "indices": { "dtype": "int32", "shape": [128, 1], "dist": "linearMod", "mod": 4096, "step": 9 }, "updates": { "dtype": "float16", "shape": [128, 768], "dist": "normal", "seed": 12 } }, "outputs": { "output": { "dtype": "float16", "shape": [4096, 768], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "2 * (2 * numel(shapes.data) + numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f16_reduction_add_scalar_updates_rank1_single_thread", "preset": "stress", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float16", "shape": [16384], "dist": "normal", "seed": 20 }, "indices": { "dtype": "int32", "shape": [16384, 1], "dist": "randint", "min": 0, "max": 16384, "seed": 21 }, "updates": { "dtype": "float16", "shape": [16384], "dist": "normal", "seed": 22 } }, "outputs": { "output": { "dtype": "float16", "shape": [16384], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "2 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f32_sparse_copy_dominates_tiny_scatter", "preset": "stress", "inputs": { "data": { "dtype": "float32", "shape": [307200, 13], "dist": "normal", "seed": 30 }, "indices": { "dtype": "int32", "shape": [8, 1], "dist": "randint", "min": 0, "max": 307200, "seed": 31 }, "updates": { "dtype": "float32", "shape": [8, 13], "dist": "normal", "seed": 32 } }, "outputs": { "output": { "dtype": "float32", "shape": [307200, 13], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "4 * (2 * numel(shapes.data) + numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "scalar-loss-accumulation-add-4m-single-output-pathology", "preset": "model", "attrs": { "reduction": "add" }, "vars": { "count": 4194304, "dtype": "float32" }, "inputs": { "data": { "dtype": "float32", "shape": [1], "dist": "constant", "value": 0 }, "indices": { "dtype": "int32", "shape": [4194304, 1], "dist": "constant", "value": 0 }, "updates": { "dtype": "float32", "shape": [4194304], "dist": "normal", "seed": 33, "scale": 0.001 } }, "outputs": { "output": { "dtype": "float32", "shape": [1], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "args.count * (dtypeBytes(args.dtype) + 4) + 2 * dtypeBytes(args.dtype)" } ] } }, { "name": "padding-token-hotspot-add-2m-vocab131072", "preset": "stress", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float32", "shape": [131072], "dist": "constant", "value": 0 }, "indices": { "dtype": "int32", "shape": [2097152, 1], "dist": "constant", "value": 0 }, "updates": { "dtype": "float32", "shape": [2097152], "dist": "constant", "value": 1 } }, "outputs": { "output": { "dtype": "float32", "shape": [131072], "dist": "empty" } }, "bench": { "primary": true, "metrics": [ { "type": "bandwidth", "value": "4 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f16-sparse-router-gradient-65536-into16384", "preset": "stress", "attrs": { "reduction": "add" }, "inputs": { "data": { "dtype": "float16", "shape": [16384], "dist": "constant", "value": 0 }, "indices": { "dtype": "int32", "shape": [65536, 1], "dist": "randint", "min": 0, "max": 16384, "seed": 41 }, "updates": { "dtype": "float16", "shape": [65536], "dist": "normal", "seed": 42, "scale": 0.01 } }, "outputs": { "output": { "dtype": "float16", "shape": [16384], "dist": "empty" } }, "bench": { "primary": true, "metrics": [ { "type": "bandwidth", "value": "2 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } }, { "name": "f16-router-max-262144-into16384-single-column", "preset": "stress", "provenance": { "notes": "Large f16 max reduction that exercises the serialized reduction_slice route; the atomic-add control distinguishes the non-add reduction gap." }, "attrs": { "reduction": "max" }, "inputs": { "data": { "dtype": "float16", "shape": [16384], "dist": "constant", "value": 0 }, "indices": { "dtype": "int32", "shape": [262144, 1], "dist": "randint", "min": 0, "max": 16384, "seed": 43 }, "updates": { "dtype": "float16", "shape": [262144], "dist": "normal", "seed": 44 } }, "outputs": { "output": { "dtype": "float16", "shape": [16384], "dist": "empty" } }, "bench": { "metrics": [ { "type": "bandwidth", "value": "2 * (2 * numel(shapes.data) + 3 * numel(shapes.updates)) + 4 * numel(shapes.indices)" } ] } } ] }