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
|
# Copyright (C) 2014-2016 Intel Corporation. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# Python source
KNOBS = [
['ENABLE_ASSERT_DIALOGS', {
'type' : 'bool',
'default' : 'true',
'desc' : ['Use dialogs when asserts fire.',
'Asserts are only enabled in debug builds'],
'category' : 'debug',
}],
['SINGLE_THREADED', {
'type' : 'bool',
'default' : 'false',
'desc' : ['If enabled will perform all rendering on the API thread.',
'This is useful mainly for debugging purposes.'],
'category' : 'debug',
}],
['DUMP_SHADER_IR', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Dumps shader LLVM IR at various stages of jit compilation.'],
'category' : 'debug',
}],
['USE_GENERIC_STORETILE', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Always use generic function for performing StoreTile.',
'Will be slightly slower than using optimized (jitted) path'],
'category' : 'debug',
}],
['FAST_CLEAR', {
'type' : 'bool',
'default' : 'true',
'desc' : ['Replace 3D primitive execute with a SWRClearRT operation and',
'defer clear execution to first backend op on hottile, or hottile store'],
'category' : 'perf',
}],
['MAX_NUMA_NODES', {
'type' : 'uint32_t',
'default' : '0',
'desc' : ['Maximum # of NUMA-nodes per system used for worker threads',
' 0 == ALL NUMA-nodes in the system',
' N == Use at most N NUMA-nodes for rendering'],
'category' : 'perf',
}],
['MAX_CORES_PER_NUMA_NODE', {
'type' : 'uint32_t',
'default' : '0',
'desc' : ['Maximum # of cores per NUMA-node used for worker threads.',
' 0 == ALL non-API thread cores per NUMA-node',
' N == Use at most N cores per NUMA-node'],
'category' : 'perf',
}],
['MAX_THREADS_PER_CORE', {
'type' : 'uint32_t',
'default' : '1',
'desc' : ['Maximum # of (hyper)threads per physical core used for worker threads.',
' 0 == ALL hyper-threads per core',
' N == Use at most N hyper-threads per physical core'],
'category' : 'perf',
}],
['MAX_WORKER_THREADS', {
'type' : 'uint32_t',
'default' : '0',
'desc' : ['Maximum worker threads to spawn.',
'',
'IMPORTANT: If this is non-zero, no worker threads will be bound to',
'specific HW threads. They will all be "floating" SW threads.',
'In this case, the above 3 KNOBS will be ignored.'],
'category' : 'perf',
}],
['BUCKETS_START_FRAME', {
'type' : 'uint32_t',
'default' : '1200',
'desc' : ['Frame from when to start saving buckets data.',
'',
'NOTE: KNOB_ENABLE_RDTSC must be enabled in core/knobs.h',
'for this to have an effect.'],
'category' : 'perf',
}],
['BUCKETS_END_FRAME', {
'type' : 'uint32_t',
'default' : '1400',
'desc' : ['Frame at which to stop saving buckets data.',
'',
'NOTE: KNOB_ENABLE_RDTSC must be enabled in core/knobs.h',
'for this to have an effect.'],
'category' : 'perf',
}],
['WORKER_SPIN_LOOP_COUNT', {
'type' : 'uint32_t',
'default' : '5000',
'desc' : ['Number of spin-loop iterations worker threads will perform',
'before going to sleep when waiting for work'],
'category' : 'perf',
}],
['MAX_DRAWS_IN_FLIGHT', {
'type' : 'uint32_t',
'default' : '128',
'desc' : ['Maximum number of draws outstanding before API thread blocks.',
'This value MUST be evenly divisible into 2^32'],
'category' : 'perf',
}],
['MAX_PRIMS_PER_DRAW', {
'type' : 'uint32_t',
'default' : '2040',
'desc' : ['Maximum primitives in a single Draw().',
'Larger primitives are split into smaller Draw calls.',
'Should be a multiple of (3 * vectorWidth).'],
'category' : 'perf',
}],
['MAX_TESS_PRIMS_PER_DRAW', {
'type' : 'uint32_t',
'default' : '16',
'desc' : ['Maximum primitives in a single Draw() with tessellation enabled.',
'Larger primitives are split into smaller Draw calls.',
'Should be a multiple of (vectorWidth).'],
'category' : 'perf',
}],
['DEBUG_OUTPUT_DIR', {
'type' : 'std::string',
'default' : '/tmp/Rast/DebugOutput',
'desc' : ['Output directory for debug data.'],
'category' : 'debug',
}],
['TOSS_DRAW', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Disable per-draw/dispatch execution'],
'category' : 'perf',
}],
['TOSS_QUEUE_FE', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at worker FE',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
['TOSS_FETCH', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at vertex fetch',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
['TOSS_IA', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at input assembler',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
['TOSS_VS', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at vertex shader',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
['TOSS_SETUP_TRIS', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at primitive setup',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
['TOSS_BIN_TRIS', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at primitive binning',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
['TOSS_RS', {
'type' : 'bool',
'default' : 'false',
'desc' : ['Stop per-draw execution at rasterizer',
'',
'NOTE: Requires KNOB_ENABLE_TOSS_POINTS to be enabled in core/knobs.h'],
'category' : 'perf',
'advanced' : 'true',
}],
]
|
