David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #include "ClBackendContext.hpp" |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 7 | #include "ClContextControl.hpp" |
Derek Lamberti | 0844697 | 2019-11-26 16:38:31 +0000 | [diff] [blame] | 8 | |
| 9 | #include <armnn/Logging.hpp> |
Narumol Prangnawarat | ac2770a | 2020-04-01 16:51:23 +0100 | [diff] [blame] | 10 | #include <armnn/utility/Assert.hpp> |
Jan Eilers | bb446e5 | 2020-04-02 13:56:54 +0100 | [diff] [blame] | 11 | #include <armnn/utility/PolymorphicDowncast.hpp> |
Derek Lamberti | 0844697 | 2019-11-26 16:38:31 +0000 | [diff] [blame] | 12 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 13 | #include <arm_compute/core/CL/OpenCL.h> |
| 14 | #include <arm_compute/core/CL/CLKernelLibrary.h> |
| 15 | #include <arm_compute/runtime/CL/CLScheduler.h> |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 16 | #include <arm_compute/runtime/CL/CLTunerTypes.h> |
| 17 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 18 | namespace armnn |
| 19 | { |
| 20 | |
| 21 | struct ClBackendContext::ClContextControlWrapper |
| 22 | { |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 23 | ClContextControlWrapper() {} |
| 24 | |
| 25 | bool IsInitialised() |
| 26 | { |
| 27 | return m_Initialised; |
| 28 | } |
| 29 | |
| 30 | void Init(arm_compute::CLTuner* tuner, |
| 31 | arm_compute::CLGEMMHeuristicsHandle* heuristicsHandle, |
| 32 | bool profilingEnabled) |
| 33 | { |
| 34 | m_ClContextControl = ClContextControl(tuner, heuristicsHandle, profilingEnabled); |
| 35 | m_Initialised = true; |
| 36 | } |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 37 | |
| 38 | bool Sync() |
| 39 | { |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 40 | if (arm_compute::CLScheduler::get().context()() != NULL) |
| 41 | { |
| 42 | // Waits for all queued CL requests to finish before unloading the network they may be using. |
| 43 | try |
| 44 | { |
| 45 | // Coverity fix: arm_compute::CLScheduler::sync() may throw an exception of type cl::Error. |
| 46 | arm_compute::CLScheduler::get().sync(); |
| 47 | } |
| 48 | catch (const cl::Error&) |
| 49 | { |
Derek Lamberti | 0844697 | 2019-11-26 16:38:31 +0000 | [diff] [blame] | 50 | ARMNN_LOG(warning) << "Runtime::UnloadNetwork(): an error occurred while waiting for " |
| 51 | "the queued CL requests to finish"; |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 52 | return false; |
| 53 | } |
| 54 | } |
Aron Virginas-Tar | d46e647 | 2018-11-16 10:26:23 +0000 | [diff] [blame] | 55 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 56 | return true; |
| 57 | } |
| 58 | |
| 59 | void ClearClCache() |
| 60 | { |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 61 | if (arm_compute::CLScheduler::get().context()() != NULL) |
| 62 | { |
| 63 | // There are no loaded networks left, so clear the CL cache to free up memory |
| 64 | m_ClContextControl.ClearClCache(); |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 65 | m_Initialised = false; |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 66 | } |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 67 | } |
| 68 | |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 69 | private: |
| 70 | bool m_Initialised; |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 71 | ClContextControl m_ClContextControl; |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 72 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 73 | }; |
| 74 | |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 75 | /** |
| 76 | * Returns a shared_ptr to the CLContextControlWrapper. This wraps the CLContextControl and ensures that we only create |
| 77 | * and use one at a time. |
| 78 | */ |
| 79 | std::shared_ptr<ClBackendContext::ClContextControlWrapper> ClBackendContext::Get() |
| 80 | { |
| 81 | static std::shared_ptr<ClBackendContext::ClContextControlWrapper> instance |
| 82 | = std::make_shared<ClBackendContext::ClContextControlWrapper>(); |
| 83 | // Instantiated on first use. |
| 84 | return instance; |
| 85 | } |
| 86 | |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 87 | std::string LowerString(std::string value) |
| 88 | { |
| 89 | std::transform(value.begin(), value.end(), value.begin(), |
| 90 | [](unsigned char c){ return std::tolower(c); }); |
| 91 | |
| 92 | return value; |
| 93 | } |
| 94 | |
| 95 | enum class TuningLevel |
| 96 | { |
| 97 | None, |
| 98 | Rapid, |
| 99 | Normal, |
| 100 | Exhaustive |
| 101 | }; |
| 102 | |
| 103 | |
| 104 | TuningLevel ParseTuningLevel(const BackendOptions::Var& value, TuningLevel defaultValue) |
| 105 | { |
| 106 | if (value.IsInt()) |
| 107 | { |
alered01 | a7227ac | 2020-05-07 14:58:29 +0100 | [diff] [blame] | 108 | int v = value.AsInt(); |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 109 | if (v > static_cast<int>(TuningLevel::Exhaustive) || |
| 110 | v < static_cast<int>(TuningLevel::None)) |
| 111 | { |
| 112 | ARMNN_LOG(warning) << "Invalid GpuAcc tuning level ("<< v << ") selected. " |
| 113 | "Using default(" << static_cast<int>(defaultValue) << ")"; |
| 114 | } else |
| 115 | { |
| 116 | return static_cast<TuningLevel>(v); |
| 117 | } |
| 118 | } |
| 119 | return defaultValue; |
| 120 | } |
| 121 | |
| 122 | bool ParseBoolean(const BackendOptions::Var& value, bool defaultValue) |
| 123 | { |
| 124 | if (value.IsBool()) |
| 125 | { |
| 126 | return value.AsBool(); |
| 127 | } |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 128 | return defaultValue; |
| 129 | } |
| 130 | |
| 131 | std::string ParseFile(const BackendOptions::Var& value, std::string defaultValue) |
| 132 | { |
| 133 | if (value.IsString()) |
| 134 | { |
| 135 | return value.AsString(); |
| 136 | } |
| 137 | return defaultValue; |
| 138 | } |
| 139 | |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 140 | void ConfigureTuner(arm_compute::CLTuner &tuner, TuningLevel level) |
| 141 | { |
| 142 | tuner.set_tune_new_kernels(true); // Turn on tuning initially. |
| 143 | |
| 144 | switch (level) |
| 145 | { |
| 146 | case TuningLevel::Rapid: |
Jan Eilers | 2cd1847 | 2020-12-15 10:42:38 +0000 | [diff] [blame] | 147 | ARMNN_LOG(info) << "Gpu tuning is activated. TuningLevel: Rapid (1)"; |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 148 | tuner.set_tuner_mode(arm_compute::CLTunerMode::RAPID); |
| 149 | break; |
| 150 | case TuningLevel::Normal: |
Jan Eilers | 2cd1847 | 2020-12-15 10:42:38 +0000 | [diff] [blame] | 151 | ARMNN_LOG(info) << "Gpu tuning is activated. TuningLevel: Normal (2)"; |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 152 | tuner.set_tuner_mode(arm_compute::CLTunerMode::NORMAL); |
| 153 | break; |
| 154 | case TuningLevel::Exhaustive: |
Jan Eilers | 2cd1847 | 2020-12-15 10:42:38 +0000 | [diff] [blame] | 155 | ARMNN_LOG(info) << "Gpu tuning is activated. TuningLevel: Exhaustive (3)"; |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 156 | tuner.set_tuner_mode(arm_compute::CLTunerMode::EXHAUSTIVE); |
| 157 | break; |
| 158 | case TuningLevel::None: |
| 159 | default: |
| 160 | tuner.set_tune_new_kernels(false); // Turn off tuning. Set to "use" only mode. |
| 161 | break; |
| 162 | } |
| 163 | } |
| 164 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 165 | ClBackendContext::ClBackendContext(const IRuntime::CreationOptions& options) |
| 166 | : IBackendContext(options) |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 167 | , m_TuningFile() |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 168 | { |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 169 | bool kernelProfiling = options.m_EnableGpuProfiling; |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 170 | |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 171 | arm_compute::CLTuner* tuner = nullptr; |
Finn Williams | 4064632 | 2021-02-11 16:16:42 +0000 | [diff] [blame] | 172 | arm_compute::CLGEMMHeuristicsHandle* mlgoTuner = nullptr; |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 173 | bool useLegacyTunerAPI = options.m_GpuAccTunedParameters.get() != nullptr; |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 174 | |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 175 | if (useLegacyTunerAPI) |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 176 | { |
Jan Eilers | bb446e5 | 2020-04-02 13:56:54 +0100 | [diff] [blame] | 177 | auto clTunerParams = PolymorphicDowncast<ClTunedParameters*>( |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 178 | options.m_GpuAccTunedParameters.get()); |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 179 | tuner = &clTunerParams->m_Tuner; |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 180 | |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 181 | if (tuner) |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 182 | { |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 183 | auto ConvertTuningLevel = [](IGpuAccTunedParameters::TuningLevel level, |
| 184 | armnn::IGpuAccTunedParameters::Mode mode) |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 185 | { |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 186 | if (mode == armnn::IGpuAccTunedParameters::Mode::UseTunedParameters) |
| 187 | { |
| 188 | return TuningLevel::None; |
| 189 | } |
| 190 | |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 191 | switch(level) |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 192 | { |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 193 | case IGpuAccTunedParameters::TuningLevel::Rapid: |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 194 | return TuningLevel::Rapid; |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 195 | case IGpuAccTunedParameters::TuningLevel::Normal: |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 196 | return TuningLevel::Normal; |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 197 | case IGpuAccTunedParameters::TuningLevel::Exhaustive: |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 198 | return TuningLevel::Exhaustive; |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 199 | default: |
| 200 | { |
Narumol Prangnawarat | ac2770a | 2020-04-01 16:51:23 +0100 | [diff] [blame] | 201 | ARMNN_ASSERT_MSG(false, "Tuning level not recognised."); |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 202 | return TuningLevel::None; |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 203 | } |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 204 | } |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 205 | }; |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 206 | |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 207 | TuningLevel tuningLevel = ConvertTuningLevel(clTunerParams->m_TuningLevel, clTunerParams->m_Mode); |
| 208 | ConfigureTuner(*tuner, tuningLevel); |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 209 | } |
| 210 | } |
| 211 | else //New backend options API |
| 212 | { |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 213 | const TuningLevel defaultTuningLevel = TuningLevel::None; |
| 214 | auto tuningLevel = defaultTuningLevel; |
| 215 | |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 216 | ParseOptions(options.m_BackendOptions, "GpuAcc", [&](std::string name, const BackendOptions::Var& value) |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 217 | { |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 218 | if (name == "KernelProfilingEnabled") |
| 219 | { |
| 220 | kernelProfiling |= ParseBoolean(value, false); |
| 221 | } else if (name == "TuningFile") |
| 222 | { |
| 223 | m_TuningFile = ParseFile(value, ""); |
| 224 | } else if (name == "TuningLevel") |
| 225 | { |
| 226 | tuningLevel = ParseTuningLevel(value, defaultTuningLevel); |
| 227 | } |
Finn Williams | 4064632 | 2021-02-11 16:16:42 +0000 | [diff] [blame] | 228 | else if (name == "MLGOTuningFilePath") |
| 229 | { |
| 230 | m_MLGOTuningFile = ParseFile(value, ""); |
| 231 | } |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 232 | }); |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 233 | |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 234 | // Create the tuner, in tuning mode initially. |
| 235 | m_Tuner = std::make_unique<arm_compute::CLTuner>(true); |
| 236 | |
Derek Lamberti | 5c510f8 | 2020-02-11 12:56:52 +0000 | [diff] [blame] | 237 | ConfigureTuner(*(m_Tuner.get()), tuningLevel); |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 238 | |
Stuart Taylor | 06ccd71 | 2022-03-15 17:03:58 +0000 | [diff] [blame] | 239 | if (!m_TuningFile.empty()) |
Derek Lamberti | ef7e6b6 | 2020-02-04 14:49:16 +0000 | [diff] [blame] | 240 | { |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 241 | try |
| 242 | { |
Jan Eilers | 2cd1847 | 2020-12-15 10:42:38 +0000 | [diff] [blame] | 243 | ARMNN_LOG(info) << "Loading Gpu tuning data from file: " << m_TuningFile; |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 244 | m_Tuner->load_from_file(m_TuningFile.c_str()); |
alered01 | a7227ac | 2020-05-07 14:58:29 +0100 | [diff] [blame] | 245 | } |
| 246 | catch (const std::exception& e) |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 247 | { |
Stuart Taylor | 06ccd71 | 2022-03-15 17:03:58 +0000 | [diff] [blame] | 248 | // Warn if not tuning, otherwise tuning will generate new params |
| 249 | if (tuningLevel == TuningLevel::None) |
| 250 | { |
| 251 | ARMNN_LOG(warning) << "Could not load GpuAcc tuner data file."; |
| 252 | } |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 253 | } |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 254 | } |
Finn Williams | 4064632 | 2021-02-11 16:16:42 +0000 | [diff] [blame] | 255 | |
| 256 | if (!m_MLGOTuningFile.empty()) |
| 257 | { |
| 258 | try |
| 259 | { |
| 260 | ARMNN_LOG(info) << "Loading Gpu MLGO tuning data from file: " << m_TuningFile; |
| 261 | if(m_MLGOTuner.reload_from_file(m_MLGOTuningFile.c_str())) |
| 262 | { |
| 263 | mlgoTuner = &m_MLGOTuner; |
| 264 | } |
| 265 | } |
| 266 | catch (const std::exception& e) |
| 267 | { |
| 268 | ARMNN_LOG(warning) << "Could not load GpuAcc MLGO tuner data file."; |
| 269 | } |
| 270 | } |
| 271 | |
alered01 | a7227ac | 2020-05-07 14:58:29 +0100 | [diff] [blame] | 272 | tuner = m_Tuner.get(); |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 273 | } |
| 274 | |
Mike Kelly | 21cf67a | 2022-11-22 16:16:01 +0000 | [diff] [blame] | 275 | m_ClContextControlWrapper = Get(); |
| 276 | |
| 277 | if (!m_ClContextControlWrapper->IsInitialised()) |
| 278 | { |
| 279 | m_ClContextControlWrapper->Init(tuner, mlgoTuner, kernelProfiling); |
| 280 | } |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | bool ClBackendContext::BeforeLoadNetwork(NetworkId) |
| 284 | { |
| 285 | return true; |
| 286 | } |
| 287 | |
| 288 | bool ClBackendContext::AfterLoadNetwork(NetworkId networkId) |
| 289 | { |
| 290 | { |
| 291 | std::lock_guard<std::mutex> lockGuard(m_Mutex); |
| 292 | m_NetworkIds.insert(networkId); |
| 293 | } |
| 294 | return true; |
| 295 | } |
| 296 | |
| 297 | bool ClBackendContext::BeforeUnloadNetwork(NetworkId) |
| 298 | { |
| 299 | return m_ClContextControlWrapper->Sync(); |
| 300 | } |
| 301 | |
| 302 | bool ClBackendContext::AfterUnloadNetwork(NetworkId networkId) |
| 303 | { |
| 304 | bool clearCache = false; |
| 305 | { |
| 306 | std::lock_guard<std::mutex> lockGuard(m_Mutex); |
| 307 | m_NetworkIds.erase(networkId); |
| 308 | clearCache = m_NetworkIds.empty(); |
| 309 | } |
| 310 | |
| 311 | if (clearCache) |
| 312 | { |
| 313 | m_ClContextControlWrapper->ClearClCache(); |
| 314 | } |
| 315 | |
| 316 | return true; |
| 317 | } |
| 318 | |
Narumol Prangnawarat | ec5463d | 2022-02-04 17:50:20 +0000 | [diff] [blame] | 319 | bool ClBackendContext::AfterEnqueueWorkload(NetworkId) |
| 320 | { |
| 321 | return m_ClContextControlWrapper->Sync(); |
| 322 | } |
| 323 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 324 | ClBackendContext::~ClBackendContext() |
| 325 | { |
Derek Lamberti | 836b27b | 2019-11-20 10:51:57 +0000 | [diff] [blame] | 326 | if (m_Tuner && !m_TuningFile.empty()) |
| 327 | { |
| 328 | try |
| 329 | { |
| 330 | m_Tuner->save_to_file(m_TuningFile.c_str()); |
| 331 | } |
| 332 | catch(const std::exception& e) |
| 333 | { |
| 334 | ARMNN_LOG(warning) << "Could not save GpuAcc tuner data to file " << m_TuningFile; |
| 335 | } |
| 336 | } |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | } // namespace armnn |