| # Copyright (C) 2014-2018 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. |
| import sys |
| |
| # 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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['MAX_NUMA_NODES', { |
| 'type' : 'uint32_t', |
| 'default' : '1' if sys.platform == 'win32' else '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', |
| }], |
| |
| ['BASE_NUMA_NODE', { |
| 'type' : 'uint32_t', |
| 'default' : '0', |
| 'desc' : ['Starting NUMA node index to use when allocating compute resources.', |
| 'Setting this to a non-zero value will reduce the maximum # of NUMA nodes used.'], |
| 'category' : 'perf', |
| }], |
| |
| ['BASE_CORE', { |
| 'type' : 'uint32_t', |
| 'default' : '0', |
| 'desc' : ['Starting core index to use when allocating compute resources.', |
| 'Setting this to a non-zero value will reduce the maximum # of cores used.'], |
| 'category' : 'perf', |
| }], |
| |
| ['BASE_THREAD', { |
| 'type' : 'uint32_t', |
| 'default' : '0', |
| 'desc' : ['Starting thread index to use when allocating compute resources.', |
| 'Setting this to a non-zero value will reduce the maximum # of threads used.'], |
| '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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['MAX_DRAWS_IN_FLIGHT', { |
| 'type' : 'uint32_t', |
| 'default' : '256', |
| 'desc' : ['Maximum number of draws outstanding before API thread blocks.', |
| 'This value MUST be evenly divisible into 2^32'], |
| 'category' : 'perf_adv', |
| }], |
| |
| ['MAX_PRIMS_PER_DRAW', { |
| 'type' : 'uint32_t', |
| 'default' : '49152', |
| 'desc' : ['Maximum primitives in a single Draw().', |
| 'Larger primitives are split into smaller Draw calls.', |
| 'Should be a multiple of (3 * vectorWidth).'], |
| 'category' : 'perf_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| |
| ['DEBUG_OUTPUT_DIR', { |
| 'type' : 'std::string', |
| 'default' : r'%TEMP%\Rast\DebugOutput' if sys.platform == 'win32' else '/tmp/Rast/DebugOutput', |
| 'desc' : ['Output directory for debug data.'], |
| 'category' : 'debug', |
| }], |
| |
| ['JIT_ENABLE_CACHE', { |
| 'type' : 'bool', |
| 'default' : 'false', |
| 'desc' : ['Enables caching of compiled shaders'], |
| 'category' : 'debug_adv', |
| }], |
| |
| ['JIT_OPTIMIZATION_LEVEL', { |
| 'type' : 'int', |
| 'default' : '-1', |
| 'desc' : ['JIT compile optimization level:',], |
| 'category' : 'debug', |
| 'control' : 'dropdown', |
| 'choices' : [ |
| { |
| 'name' : 'Automatic', |
| 'desc' : 'Automatic based on other KNOB and build settings', |
| 'value' : -1, |
| }, |
| { |
| 'name' : 'Debug', |
| 'desc' : 'No optimization: -O0', |
| 'value' : 0, |
| }, |
| { |
| 'name' : 'Less', |
| 'desc' : 'Some optimization: -O1', |
| 'value' : 1, |
| }, |
| { |
| 'name' : 'Optimize', |
| 'desc' : 'Default Clang / LLVM optimizations: -O2', |
| 'value' : 2, |
| }, |
| { |
| 'name' : 'Aggressive', |
| 'desc' : 'Maximum optimization: -O3', |
| 'value' : 3, |
| }, |
| ], |
| }], |
| |
| ['JIT_CACHE_DIR', { |
| 'type' : 'std::string', |
| 'default' : r'%TEMP%\SWR\JitCache' if sys.platform == 'win32' else '${HOME}/.swr/jitcache', |
| 'desc' : ['Cache directory for compiled shaders.'], |
| '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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['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_adv', |
| }], |
| |
| ['DISABLE_SPLIT_DRAW', { |
| 'type' : 'bool', |
| 'default' : 'false', |
| 'desc' : ['Don\'t split large draws into smaller draws.,', |
| 'MAX_PRIMS_PER_DRAW and MAX_TESS_PRIMS_PER_DRAW can be used to control split size.', |
| '', |
| 'Useful to disable split draws for gathering archrast stats.'], |
| 'category' : 'perf_adv', |
| }], |
| |
| ] |
