File size: 16,506 Bytes
cc98ec1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
{
  "op": "ai.onnx.Loop",
  "cases": [
    {
      "name": "lowered_add_step_scan",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [4] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [1.0, -1.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [0.5, 2.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [4, 2], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_cond_false_zero_iterations",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [3] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [0] } },
        "v_initial": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [7.0] } },
        "step": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [2.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [1], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [3, 1], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_ort_projection_single_iteration_scan_value",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.Opset11WithNoVariadicInputsAndOutputs",
        "notes": "Projection onto the framework's lowered add-step loop: one true iteration produces one scan output value."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [0.0] } },
        "step": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [1.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [1], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [1, 1], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_ort_projection_zero_iterations_initial_passthrough",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ZeroIterations",
        "notes": "Projection onto the framework's lowered add-step loop: trip count zero must leave carried state unchanged and produce no scan elements."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [0] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [123.0, -456.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [99.0, 99.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [0, 2], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_ort_projection_exit_due_to_max_iterations",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ExitDueToMaxIterations",
        "notes": "Projection onto the framework's lowered add-step loop: two iterations advance the carried state and produce two scan values."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [2] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [0.0] } },
        "step": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [3.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [1], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [2, 1], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_trip_count_exceeds_scan_capacity",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [6] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [10.0, -10.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [1.0, -2.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [3, 2], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_zero_trip_count_cond_true",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [0] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [5.0] } },
        "step": { "dtype": "float32", "shape": [1], "data": { "kind": "values", "values": [99.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [1], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [0, 1], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_trip_count_less_than_scan_capacity_tail_zero",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [2] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [1.0, -1.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [0.25, -0.5] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [5, 2], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_zero_step_preserves_lane",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [3] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [2.0, -2.0, 5.0] } },
        "step": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [0.0, 1.5, -2.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [3], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [3, 3], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_scalar_trip_count_and_cond",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ExitDueToMaxIterations",
        "notes": "ONNX Loop trip count and initial condition are scalar values. The project-lowered add-step form should accept scalar logical uint32 metadata as well as [1] tensors."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [], "data": { "kind": "values", "values": [3] } },
        "cond": { "dtype": "uint32", "shape": [], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [1.0, -2.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [0.5, 3.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [3, 2], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_bool_scalar_cond_true",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ExitDueToMaxIterations",
        "notes": "ONNX Loop conditions are bool tensors. This lowered add-step projection verifies scalar logical bool storage enables iteration."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [], "data": { "kind": "values", "values": [2] } },
        "cond": { "dtype": "bool", "shape": [], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [2.0, -3.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [4.0, 0.5] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0 },
        "scan_output": { "dtype": "float32", "shape": [2, 2], "tolerance": 0 }
      }
    },
    {
      "name": "lowered_bool_len1_cond_false_zero_iterations",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ZeroIterations",
        "notes": "Length-1 logical bool false condition must prevent all iterations, leave state unchanged, and zero-fill the bounded scan output."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [5] } },
        "cond": { "dtype": "bool", "shape": [1], "data": { "kind": "values", "values": [0] } },
        "v_initial": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, -1.0, 10.0] } },
        "step": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [100.0, 100.0, 100.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [3], "tolerance": 0 },
        "scan_output": { "dtype": "float32", "shape": [4, 3], "tolerance": 0 }
      }
    },
    {
      "name": "lowered_noncanonical_cond_true_value_two",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ExitDueToMaxIterations",
        "notes": "ONNX only requires the loop condition to be a bool; runtimes that store it as an integer may emit any nonzero value. The lowered kernel must treat any nonzero cond (here 2) as true via cond[0] != 0u, matching the reference's !== 0 test, not a literal == 1 comparison."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [3] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [2] } },
        "v_initial": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [1.0, -1.0] } },
        "step": { "dtype": "float32", "shape": [2], "data": { "kind": "values", "values": [0.5, 2.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [2], "tolerance": 0 },
        "scan_output": { "dtype": "float32", "shape": [3, 2], "tolerance": 0 }
      }
    },
    {
      "name": "lowered_trip_count_equals_capacity_full_fill_wide_dim64",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ExitDueToMaxIterations",
        "notes": "Realistic carried-state width (dim 64, a typical small recurrent hidden size) with trip count exactly equal to the scan capacity so every scan row is produced by an iteration and the tail-zero branch is never taken. Exercises the min(m, scanSteps) clamp at its equality boundary across many lanes."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [8] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": {
          "dtype": "float32",
          "shape": [64],
          "data": {
            "kind": "values",
            "values": [-0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4]
          }
        },
        "step": {
          "dtype": "float32",
          "shape": [64],
          "data": {
            "kind": "values",
            "values": [-0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4]
          }
        }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [64], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [8, 64], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_clamped_trip_count_partial_fill_wide_dim33_unaligned",
      "provenance": {
        "source": "onnxruntime/test/providers/cpu/controlflow/loop_test.cc",
        "test": "Loop.ExitDueToMaxIterations",
        "notes": "Non-multiple-of-4 carried-state width (dim 33) combined with a trip count larger than the scan capacity. iterations = min(m, scanSteps) clamps to the capacity, the first rows accumulate, and the unaligned final lane must still be written correctly by the scalar per-lane loop with no vec4 over-read at the dim tail."
      },
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [10] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": {
          "dtype": "float32",
          "shape": [33],
          "data": {
            "kind": "values",
            "values": [-0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1, -0.5, 0.2, -0.2, 0.5, 0.1, -0.3, 0.4, 0.0, -0.4, 0.3, -0.1]
          }
        },
        "step": {
          "dtype": "float32",
          "shape": [33],
          "data": {
            "kind": "values",
            "values": [-0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3, -0.1, 0.4, 0.0, -0.4, 0.1, -0.3, 0.2, -0.2, 0.3]
          }
        }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [33], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [6, 33], "tolerance": 0.000001 }
      }
    },
    {
      "name": "lowered_positive_m_zero_scan_capacity_preserves_initial",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [5] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [1.0, -2.0, 3.5] } },
        "step": { "dtype": "float32", "shape": [3], "data": { "kind": "values", "values": [100.0, 100.0, 100.0] } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [3], "tolerance": 0 },
        "scan_output": { "dtype": "float32", "shape": [0, 3], "tolerance": 0 }
      }
    },
    {
      "name": "lowered_dim_straddles_workgroup_boundary_dim258",
      "inputs": {
        "m": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [3] } },
        "cond": { "dtype": "uint32", "shape": [1], "data": { "kind": "values", "values": [1] } },
        "v_initial": { "dtype": "float32", "shape": [258], "data": { "kind": "constant", "value": 1.0 } },
        "step": { "dtype": "float32", "shape": [258], "data": { "kind": "constant", "value": 0.5 } }
      },
      "outputs": {
        "v_final": { "dtype": "float32", "shape": [258], "tolerance": 0.000001 },
        "scan_output": { "dtype": "float32", "shape": [3, 258], "tolerance": 0.000001 }
      }
    }
  ]
}