Download build/webgpu/bench.json from webgpu-kernels/ai.onnx.Softmax: direct link, hf CLI and curl.
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- Download file 16.2 kB
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https://huggingface.co/kernels/webgpu-kernels/ai.onnx.Softmax/resolve/v1/build/webgpu/bench.json
- Command line
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hf download hf://webgpu-kernels/ai.onnx.Softmax@v1/build/webgpu/bench.json
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curl -L -o bench.json https://huggingface.co/kernels/webgpu-kernels/ai.onnx.Softmax/resolve/v1/build/webgpu/bench.json
16.2 kB
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| { | |
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| }, | |
| { | |
| "name": "softmax-f32-131072x33-online-row-pathology", | |
| "preset": "stress", | |
| "provenance": { | |
| "notes": "One column past the packed-rows ceiling (<= 32 columns): 33 columns leave online_packed_rows_vec4_nosg for online_wg at one workgroup per row, about 32x the workgroup count of the same-bytes control softmax-f32-packed-rows-131072x32-control for a single added column." | |
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| "inputs": { "x": { "shape": [131072, 33], "dtype": "float32", "dist": "normal", "seed": 720, "scale": 2 } }, | |
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| }, | |
| { | |
| "name": "softmax-f32-131072x64-subgroup-rows-control", | |
| "preset": "stress", | |
| "provenance": { | |
| "notes": "Measures softmax over 131,072 rows of 64 columns (a multiple of four); its 33-column sibling in this file has the same row count but moves half the bytes, so compare per element rather than per case." | |
| }, | |
| "vars": { "dtype": "float32", "rows": 131072, "cols": 64 }, | |
| "attrs": { "axis": 1 }, | |
| "inputs": { "x": { "shape": [131072, 64], "dtype": "float32", "dist": "normal", "seed": 721, "scale": 2 } }, | |
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| }, | |
| { | |
| "name": "softmax-f32-64x50257-vocab-odd-pathology", | |
| "preset": "stress", | |
| "provenance": { | |
| "notes": "GPT-2 vocabulary width 50,257 is not divisible by four, so it exercises scalar online workgroup Softmax. `softmax-f32-64x50260-vocab-control` provides the nearby vector-aligned control." | |
| }, | |
| "vars": { "dtype": "float32", "rows": 64, "cols": 50257 }, | |
| "attrs": { "axis": 1 }, | |
| "inputs": { "x": { "shape": [64, 50257], "dtype": "float32", "dist": "normal", "seed": 722, "scale": 4 } }, | |
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| { | |
| "name": "softmax-f32-64x50260-vocab-control", | |
| "preset": "stress", | |
| "provenance": { | |
| "notes": "The next multiple-of-four vocabulary width above the paired 50,257-column case, with nearly the same input bytes." | |
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| "vars": { "dtype": "float32", "rows": 64, "cols": 50260 }, | |
| "attrs": { "axis": 1 }, | |
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| "name": "softmax-f32-4096x197-vit-tokens-pathology", | |
| "preset": "stress", | |
| "provenance": { | |
| "notes": "ViT-B/16 token count (196 patches + CLS) as the softmax row width, batched to ~0.8M elements: 197 % 4 != 0 rejects both the subgroup-per-row vec4 route and online_wg_vec4, leaving online_wg scalar. Control: softmax-f32-4096x200-vit-tokens-control." | |
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| "vars": { "dtype": "float32", "rows": 4096, "cols": 197 }, | |
| "attrs": { "axis": 1 }, | |
| "inputs": { "x": { "shape": [4096, 197], "dtype": "float32", "dist": "normal", "seed": 724, "scale": 2 } }, | |
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| "name": "softmax-f32-4096x200-vit-tokens-control", | |
| "preset": "stress", | |
| "provenance": { | |
| "notes": "A 200-column control for the paired 197-column ViT token case; the width changes input size by about 1.5%. Both subgroup and portable tiers must normalize every row." | |
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| "vars": { "dtype": "float32", "rows": 4096, "cols": 200 }, | |
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| "bench": { "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * dtypeBytes(args.dtype) * 2" }] }, | |
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| "notes": "A segmentation head with 131,072 rows and 21 unaligned classes exercises the narrow scalar-row geometry." | |
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| "tunables": { "STRIDED_ONLINE_STREAMS": 4 } | |
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