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Isaac ROS 0.31.0 (DP3.1)
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‎README.md‎

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The following table summarizes the per-platform performance statistics of sample graphs that use this package, with links included to the full benchmark output. These benchmark configurations are taken from the [Isaac ROS Benchmark](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark#list-of-isaac-ros-benchmarks) collection, based on the [`ros2_benchmark`](https://github.com/NVIDIA-ISAAC-ROS/ros2_benchmark) framework.
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| Sample Graph | Input Size | AGX Orin | Orin NX | Orin Nano 8GB | x86_64 w/ RTX 3060 Ti |
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| ----------------------------------------------------------------------------------------------------------------------------------------------- | ---------- | ----------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------- |
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| [TensorRT Graph<br>PeopleSemSegNet](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/scripts//isaac_ros_unet_graph.py) | 544p | [400 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-agx_orin.json)<br>5.5 ms | [218 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-orin_nx.json)<br>6.9 ms | [143 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-orin_nano_8gb.json)<br>12 ms | [1190 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-x86_64_rtx_3060Ti.json)<br>1.6 ms |
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| Sample Graph | Input Size | AGX Orin | Orin NX | Orin Nano 8GB | x86_64 w/ RTX 4060 Ti |
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| ----------------------------------------------------------------------------------------------------------------------------------------------- | ---------- | ----------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
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| [TensorRT Graph<br>PeopleSemSegNet](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/scripts//isaac_ros_unet_graph.py) | 544p | [385 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-agx_orin.json)<br>6.9 ms | [210 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-orin_nx.json)<br>8.3 ms | [142 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-orin_nano.json)<br>13 ms | [827 fps](https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_benchmark/blob/main/results/isaac_ros_unet_graph-nuc_4060ti.json)<br>4.0 ms |
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## Table of Contents
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## Latest Update
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Update 2023-04-05: Source available GXF extensions
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Update 2023-05-25: Performance improvements.
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## Supported Platforms
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| Date | Changes |
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| ---------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
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| 2023-05-25 | Performance improvements |
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| 2023-04-05 | Source available GXF extensions |
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| 2022-10-19 | Updated OSS licensing |
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| 2022-08-31 | Update to be compatible with JetPack 5.0.2 |

‎isaac_ros_unet/config/unet_decoder_node.yaml‎

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%YAML 1.2
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# SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
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# Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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color_palette: []
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color_segmentation_mask_encoding: "rgb8"
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---
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name: raw_segmentation_mask_vault
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name: raw_segmentation_mask_sink
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components:
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- name: input_raw_segmentation_mask
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type: nvidia::gxf::DoubleBufferReceiver
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parameters:
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capacity: 1
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capacity: 2
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policy: 0
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- type: nvidia::gxf::MessageAvailableSchedulingTerm
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parameters:
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receiver: input_raw_segmentation_mask
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min_size: 1
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- name: vault
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type: nvidia::gxf::Vault
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- name: sink
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type: nvidia::isaac_ros::MessageRelay
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parameters:
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source: input_raw_segmentation_mask
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max_waiting_count: 1
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drop_waiting: false
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---
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name: colored_segmentation_mask_vault
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name: colored_segmentation_mask_sink
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components:
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- name: input_colored_segmentation_mask
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type: nvidia::gxf::DoubleBufferReceiver
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parameters:
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capacity: 1
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capacity: 2
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policy: 0
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- type: nvidia::gxf::MessageAvailableSchedulingTerm
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parameters:
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receiver: input_colored_segmentation_mask
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min_size: 1
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- name: vault
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type: nvidia::gxf::Vault
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- name: sink
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type: nvidia::isaac_ros::MessageRelay
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parameters:
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source: input_colored_segmentation_mask
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max_waiting_count: 1
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drop_waiting: false
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---
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components:
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- type: nvidia::gxf::Connection
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- type: nvidia::gxf::Connection
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parameters:
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source: segmentation_broadcaster/output_raw_segmentation_mask
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target: raw_segmentation_mask_vault/input_raw_segmentation_mask
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target: raw_segmentation_mask_sink/input_raw_segmentation_mask
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- type: nvidia::gxf::Connection
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parameters:
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source: segmentation_broadcaster/output_video_buffer
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target: segmentation_mask_generator/input_video_buffer
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- type: nvidia::gxf::Connection
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parameters:
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source: segmentation_mask_generator/output_colored_segmentation_mask
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target: colored_segmentation_mask_vault/input_colored_segmentation_mask
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target: colored_segmentation_mask_sink/input_colored_segmentation_mask
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---
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components:
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- name: clock
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type: nvidia::gxf::RealtimeClock
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- type: nvidia::gxf::GreedyScheduler
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- type: nvidia::gxf::MultiThreadScheduler
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parameters:
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clock: clock
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stop_on_deadlock: false
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check_recession_period_ms: 1
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worker_thread_number: 2
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- type: nvidia::gxf::JobStatistics
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parameters:
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clock: clock

‎isaac_ros_unet/package.xml‎

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<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
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<package format="3">
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<name>isaac_ros_unet</name>
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<version>0.30.0</version>
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<version>0.31.0</version>
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<description>U-Net model processing</description>
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<maintainer email="[email protected]">Hemal Shah</maintainer>

‎isaac_ros_unet/src/unet_decoder_node.cpp‎

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// SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
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// Copyright (c) 2021-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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// Copyright (c) 2021-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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constexpr char INPUT_DEFAULT_TENSOR_FORMAT[] = "nitros_tensor_list_nhwc_rgb_f32";
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constexpr char INPUT_TOPIC_NAME[] = "tensor_sub";
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constexpr char RAW_OUTPUT_COMPONENT_KEY[] = "raw_segmentation_mask_vault/vault";
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constexpr char RAW_OUTPUT_COMPONENT_KEY[] = "raw_segmentation_mask_sink/sink";
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constexpr char RAW_OUTPUT_DEFAULT_TENSOR_FORMAT[] = "nitros_image_mono8";
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constexpr char RAW_OUTPUT_TOPIC_NAME[] = "unet/raw_segmentation_mask";
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constexpr char COLORED_OUTPUT_COMPONENT_KEY[] = "colored_segmentation_mask_vault/vault";
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constexpr char COLORED_OUTPUT_COMPONENT_KEY[] = "colored_segmentation_mask_sink/sink";
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constexpr char COLORED_OUTPUT_DEFAULT_TENSOR_FORMAT[] = "nitros_image_rgb8";
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constexpr char COLORED_OUTPUT_TOPIC_NAME[] = "unet/colored_segmentation_mask";
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