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| 1 | +using Microsoft.ML.OnnxRuntime; |
| 2 | +using TensorStack.Common; |
| 3 | + |
| 4 | +namespace TensorStack.Providers |
| 5 | +{ |
| 6 | + public static class Provider |
| 7 | + { |
| 8 | + public const string CPUProviderName = "CPU Provider"; |
| 9 | + public const string CUDAProviderName = "CUDA Provider"; |
| 10 | + |
| 11 | + /// <summary> |
| 12 | + /// Gets the CPU provider. |
| 13 | + /// </summary> |
| 14 | + /// <param name="optimizationLevel">The optimization level.</param> |
| 15 | + /// <returns>ExecutionProvider.</returns> |
| 16 | + public static ExecutionProvider GetProvider(GraphOptimizationLevel optimizationLevel = GraphOptimizationLevel.ORT_DISABLE_ALL) |
| 17 | + { |
| 18 | + return new ExecutionProvider(CPUProviderName, OrtMemoryInfo.DefaultInstance, configuration => |
| 19 | + { |
| 20 | + var sessionOptions = new SessionOptions |
| 21 | + { |
| 22 | + EnableCpuMemArena = true, |
| 23 | + EnableMemoryPattern = true, |
| 24 | + GraphOptimizationLevel = optimizationLevel |
| 25 | + }; |
| 26 | + sessionOptions.AppendExecutionProvider_CPU(); |
| 27 | + return sessionOptions; |
| 28 | + }); |
| 29 | + } |
| 30 | + |
| 31 | + |
| 32 | + /// <summary> |
| 33 | + /// Gets the CUDA provider. |
| 34 | + /// </summary> |
| 35 | + /// <param name="deviceId">The device identifier.</param> |
| 36 | + /// <param name="optimizationLevel">The optimization level.</param> |
| 37 | + /// <returns>ExecutionProvider.</returns> |
| 38 | + public static ExecutionProvider GetProvider(int deviceId, GraphOptimizationLevel optimizationLevel = GraphOptimizationLevel.ORT_DISABLE_ALL) |
| 39 | + { |
| 40 | + var memoryInfo = new OrtMemoryInfo(OrtMemoryInfo.allocatorCUDA_PINNED, OrtAllocatorType.DeviceAllocator, deviceId, OrtMemType.Default); |
| 41 | + return new ExecutionProvider(CUDAProviderName, memoryInfo, configuration => |
| 42 | + { |
| 43 | + var sessionOptions = new SessionOptions |
| 44 | + { |
| 45 | + GraphOptimizationLevel = optimizationLevel |
| 46 | + }; |
| 47 | + |
| 48 | + sessionOptions.AppendExecutionProvider_CUDA(deviceId); |
| 49 | + sessionOptions.AppendExecutionProvider_CPU(); |
| 50 | + return sessionOptions; |
| 51 | + }); |
| 52 | + } |
| 53 | + } |
| 54 | +} |
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