Jax profiling. Although you used jax.

Jax profiling. The resulting trace can be viewed with TensorBoard. Users can either set an environment variable NEURON_RT_INSPECT_ENABLE or use the PyTorch or JAX profiling APIs from their application code for fine-grained control over which sections of their code are profiled. Feb 15, 2023 · cross-referencing from discourse Hello when I try to run jax profiling in container (jax:23. numpy as jnp import jax. , is now offering a methylome profiling assay, the OncoMethyl Array™, which utilizes a machine learning algorithm to classify CNS tumors based on genomic methylation profiling data. We can use the JAX profiler to generate traces of a JAX program that can be visualized using the Perfetto visualizer. The JAX device memory profiler allows us to jax. random. Jul 8, 2020 · Hi , @8bitmp3 , thanks for the instructions. Decreasing the JAX_PGLE_AGGREGATION_PERCENTILE parameter might help in case when performance between steps is too noisy to filter out a non-relevant measures Profiling and performance # Note This is a placeholder for a section in the new JAX tutorials draft. The two tools that are most likely to be relevant are Nsight Systems and Nsight Compute. Here we show how to add your own function transformations to the system, by writing a custom Jaxpr interpreter. partial(). profiler # ! import jax. You'll learn to use `jax. The Module class name will show up around the operations belonging to that Module in the Tensorboard profiling UI, simplifying the profiling process. As mentioned on that page, the NVIDIA Nsight tools can be used to profile JAX programs on GPU. readthedocs. It enhances the standard Nsight Systems profiler by automatically collecting JAX/XLA-specific metadata and performing post-processing steps that facilitate In JetStream server, we have implemented JAX profiler server to support profiling JAX program with tensorboard. 4. When named call wrapping is enabled all JAX ops executed in a Module will be run under jax. : using jax. May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. shard_map for multi-device parallelism, the concept of PyTrees for handling complex data structures, and basic profiling/debugging techniques. And we’ll get composability with all the other transformations for free. Namely when I try to load the profile tensorboard crashes. start_trace # jax. 30, 0. We should update the JAX profiling page to mention this! For Tensorboard vs. Some of the tools include: Nov 5, 2024 · To improve the efficiency of deep learning workloads by fully utilizing hardware resources, effective performance profiling tools are essential. Really Fast End-to-End Jax RL Implementations. Capturing profiles # Neuron Profiler 2. trace(log_dir, create_perfetto_link=False, create_perfetto_trace=False, profiler_options=None) [source] # Context manager to take a profiler trace. start_trace(log_dir, create_perfetto_link=False, create_perfetto_trace=False, profiler_options=None) [source] # Starts a profiler trace. 01-py3) I get Could not load dynamic library ‘libcupti. Increasing this parameter would lead to better profile information, but it will also increase the amount of non-optimized training steps. High performance array computing JAX is a Python library for accelerator-oriented array computation and program transformation, designed for high-performance numerical computing and large-scale machine learning. jit or jax. It works for me when I profiled my JAX program run on GPU. ) that enable writing concise, accelerated code. You can control amount of reruns used to collect profile data by changing JAX_PGLE_PROFILING_RUNS. The lesson also introduces JAX's advanced profiling tools, preparing you to analyze and Jun 29, 2023 · Hi all, I'm still trying to figure out whether it can happen that gradients are un-necessarily recomputed in certain cases for jitted functions, so I wrote that snippet with profiling: def f(x): re May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. That understanding gets you far but a lot of optimization comes down to practical details: how the XLA compiler works and how to use profiling tools like the JAX/Tensorboard Profiler In JAX, profiling the model creates a trace file which we can view in tools like Chrome’s Trace Viewer or TensorBoard. Profiling computation # Viewing program traces with Perfetto # We can use the JAX profiler to generate traces of a JAX program that can be visualized using the Perfetto visualizer. The Cloud TPU docs have a good description of this tab, and I believe it should work on all platforms, not just TPU. However, I'm uncertain how we profiling should be performed w Mar 4, 2021 · An introduction to JAX, its best features alongside with code snippets for you to get started This will cause an “f” event to show up on the trace timeline if the function execution occurs while the process is being traced by TensorBoard. debug. start_server (port=1234) # Some NumPy and JAX code np. For memory profiling, check out the memory_viewer tab in Tensorboard. For more in-depth discussions of JAX’s design and implementation, in no particular order, see the advanced guides. These tools help you understand, debug and optimize programs to run on CPUs, GPUs and TPUs. Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. profiler module # Tracing and time profiling # Profiling JAX programs describes how to make use of JAX’s tracing and time profiling features. The instrumentation is always enabled; device_memory_profile() provides an API to capture it. JAX offers two main ways to examine a profile: Perfetto and TensorBoard. Sep 12, 2025 · Profiling is one of the main tools for you to optimize performance of your models on Cloud TPU. XProf includes a suite of profiling tools for JAX, TensorFlow, and PyTorch/XLA. They start with the fundamentals and are meant to be read sequentially. Sep 11, 2025 · A video showing a Jacksonville Sheriff's officer punching and dragging William McNeil from his car went viral online and sparked nationwide outrage. random as random from jax import jit, grad, vmap import numpy as np # Start the JAX Profiler server server = jax. The JAX device memory profiler allows us to explore how and why JAX programs are using GPU or TPU memory. pmap). How to Use Configuration Options # JAX configuration options can be set in several ways: Environment variables (set before running your program): May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. I tried to reduce as much as possible the duration of the trace (running on a single v5e Chip, ) but I still have more than 3/4 of the trace which is partially hidden by "trace buffers dropped", because of the 2GB protobuf file size limit. Mar 9, 2021 · Following the instructions in the JAX documentation, I successfully captured a profile of my long-running script in an attempt to find bottlenecks. You can run the code examples in this section with free TPUs on Google Colab. Capturing profiles In order to use XProf, you need to first capture a profile of your model Sep 7, 2022 · In general jax. trace # jax. Start by installing pprof, by following its May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. (remote_profiling)= #### Profiling on a remote machine If the JAX program you'd like to profile is running on a remote machine, one option is to run all the instructions above on the remote machine (in particular, start the TensorBoard server on the remote machine), then use SSH local port forwarding to access the TensorBoard web UI from your local May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. arange (1, 1000000, dtype=np. . I could line Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. In my example I want to search for regular grids in a point cloud (for indexing X-ray diffraction data). It would be awesome if Colab JAX profiling instructions specifically for TPU are provided in the future. callback should not be used for profiling because the compiler is free to reorder the callbacks and they may not happen in program order. Jul 11, 2016 · Every cancer starts with a single cell, and Jackson Laboratory (JAX) researchers have found a precise and reliable way — whole-genome profiling of open chromatin — to identify the kind of cell that leads to a given case of leukemia, a valuable key to cancer prognosis and outcome. Perfetto, they both show exactly the same trace events. XProf supports profiling of all XLA-based frameworks including JAX, Pytorch XLA, and Tensorflow/Keras. trace ("/tmp This lesson teaches you how to accurately profile and debug JAX code by understanding its asynchronous execution model. named_scope only works for compiled functions (e. These options control everything from numerical precision to debugging features. Profiling device memory # Note June 2025 update: we recommend using XProf profiling for device memory analysis. However, for profiling the programs run on TPU, it seems that some steps are required to modify. JAX APML offers the following advantages in terms of clinical service: May 29, 2024 · Description I'm trying to follow the documentation on profiling and am stuck when trying to evaluate the traces with tensorboard, running the following code: import jax jax. Currently, this method blocks the program until a link is clicked and the Perfetto UI loads the trace. This course covers explicit pseudo-random number generation for reproducibility, automatic vectorization with jax. These tools help you understand, debug and optimize machine learning programs to run on CPUs, GPUs and TPUs. block_until_ready()` for precise timing, create reusable timing decorators, and leverage `jax. profiler. PyTorch and JAX users who prefer not to modify their application code can still enable May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. The JAX Device Memory Profiler allows us to explore how and why JAX programs are using GPU or TPU memory. If you wish to get profiling information without any interaction, check out the XProf profiler below. Mar 11, 2025 · Description I am trying to profile JAX code but it appears like the example here is not working. These tools include framework-specific solutions, such as the PyTorch profiler (pytorch_profiler, ) and the JAX profiler (jax_profiler, ), as well as those provided by hardware vendors, like Nsight Systems (nsight_systems, ), Roctracer (roctracer Dive deeper into JAX's powerful functional transformations. 8: cannot open shared object file: No… Examining a Profile ¤ See the JAX Profiling Guide for more information on how to examine a profile. Leveraging the JAX Profiler and statistical analysis, this blog demonstrates how to reliably evaluate key steps and compare algorithm performance on AMD GPUs. so. On a fresh environment instantiated as fo Programming TPUs in JAX Part 10 of How To Scale Your Model (Part 9: Profiling | Part 11: Conclusions) How to use JAX to program TPUs efficiently! Much of this section is taken from here. start_trace. To my surprise, a little over 90% of my runtime i May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. The laboratory provides comprehensive molecular profiling services for all solid tumors, with specialized resources for those found in the brain and central nervous system. This example uses internal JAX APIs Aug 19, 2025 · XProf Profiler PluginXProf (+ Tensorboard Profiler Plugin) XProf includes a suite of tools for JAX, TensorFlow, and PyTorch/XLA. With test_mats[ JAX Toolbox provides a public CI, Docker images for popular JAX libraries, and optimized JAX examples to simplify and enhance your JAX development experience on NVIDIA GPUs. profiler module # Tracing and time profiling # Profiling computation describes how to make use of JAX’s tracing and time profiling features. start_trace, and stop it with jax. named_scope. , the output is misleading in some May 29, 2025 · Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. The core profiling tool is called XProf, which is available from the OpenXLA/XProf GitHub repository. seed (1) elems = np. It supports JAX libraries such as MaxText and Pallas. 8’; dlerror: libcupti. May 26, 2019 · I'm trying to optimize the performance a jitted function (which, in turn, calls other, smaller jitted functions), and wanted to know if there are any profiling tools suitable for this. Use stop_trace() to end the trace and save the results to log_dir. Although you used jax. e. For example, it can be used to: Figure out which arrays and executables are in GPU memory at a given time, or Track down memory leaks. 29, 0. After taking a profile, open the memory_viewer tab of the Tensorboard profiler for more detailed and understandable device memory usage. If you wish to get profiling information without any interaction, check out the Tensorboard profiler below. We can start the profiling via jax. Note that jax. Installation # The JAX device memory profiler emits output that can be interpreted using pprof (google/pprof). Contribute to luchris429/purejaxrl development by creating an account on GitHub. Some of the tools include: Overview: A high-level overview of XProf includes a suite of profiling tools for JAX, TensorFlow, and PyTorch/XLA. After taking a profile, open the `memory_viewer` tab of the Tensorboard profiler for more detailed and understandable device memory usage. Aug 5, 2024 · Description Memory profiling data missing for traces captured via the jax. stop_trace. 0 offers several flexible options for capturing profiles. Arguments can be passed to the decorator via functools. Jul 25, 2022 · I'm trying to analyze some code using line_profiler to understand which functions are the most expensive / identify possible speed-ups. The JAX device memory profiler allows us to explore how and why JAX programs are using GPU or TPU Jul 22, 2024 · Abstract This blog provides a comprehensive guide on measuring and comparing the performance of various algorithms in a JAX-implemented generative AI model. 26 Minimal example to reproduce: import jax jax Hi 👋 What do you think about having a JAX Profiling in Colab notebook as an add-on to the current JAX Profiling guide (https://jax. g. pure_callback to sequentialize the callbacks via data-dependency, your profile timings will now include device-to-host copy times needed for the pure callback. Configuration Options # JAX provides various configuration options to customize its behavior. Apr 21, 2023 · Hello I am unable to run profiling ( not Perfetto neither tensorboard) I get double free or corruption (!prev) ; I use oficial container nvcr. vmap for batching, an introduction to jax. io/nvdlfwea/jax/jax:23. The trace will capture CPU, GPU, and/or TPU activity, including Python functions and JAX on-device operations. Dec 1, 2020 · import jax import jax. Nsight Systems provides a high level overview of Profiling JAX programs # Viewing program traces with Perfetto # We can use the JAX profiler to generate traces of a JAX program that can be visualized using the Perfetto visualizer. start_trace () and jax. profiler. Note that TensorBoard doesn’t need to be running This page aims to complement the Profiling JAX programs page in the main JAX documentation with advice specific to profiling JAX programs running on NVIDIA GPUs. ```{note} June 2025 update: we recommend using [XProf profiling](xprof-profiling) for device memory analysis. The profiling system works by instrumenting JAX on-device allocations, capturing a Python stack trace for each allocation. The allegations include racial profiling and excessive force, claiming Dec 14, 2023 · I am new to JAX and trying to learn use it for running some code on a GPU. XProf offers a number of tools to analyse and visualize the performance of your model across multiple devices. 11. numpyasjnpfromjaximportpmapimporttimeitimporttimewithjax. ``` Methylation profiling across Maine In September 2024, JAX launched a collaboration with Lu-Emerson and her colleagues at MaineHealth—facilitated through the Maine Cancer Genomics Initiative (MCGI)—to run a trial studying how methylation profiling could improve outcomes for brain cancer patients in Maine. For the time being, you may find some related content in the old documentation: Profiling computation Profiling device memory Transfer guard May 2023 update: we recommend using [Tensorboard profiling](tensorboard-profiling) for device memory analysis. 31), but is present for 0. float64) May 8, 2025 · Profiling with nsys-jax Relevant source files This page documents the nsys-jax wrapper tool for NVIDIA Nsight Systems, which simplifies the collection, processing, and analysis of performance data from JAX programs running on NVIDIA GPUs. io/en/lates Nov 28, 2024 · I'm profiling JAX code on TPU using jax. print` to inspect values inside JIT-compiled functions. Jul 23, 2025 · A cell phone video showing a White police officer in Jacksonville, Florida, striking a Black man in the face during a February traffic stop before officers dragged the driver from his car has Nov 8, 2023 · # The following code snippet will be run on all TPU hostsimportsysimportjaximportjax. jax. Mar 9, 2021 · Specifically, should it be taking > 90% of my application's runtime? TensorBoard reports that it is taking the vast majority of the runtime of my JAX code, and I'd like to know Is it actually the case that this kernel is taking way too much time, or is this a side effect of profiling JAX with TensorBoard (i. start_trace("/t Jun 28, 2022 · The JAX CLIA-certified Clinical Genomics laboratory, based at the JAX Genomic Medicine campus in Farmington, Conn. JAX 101 # These tutorials cover basic usage of JAX and its features, including some of the internal mechanisms that make JAX work. How to Profile TPU Programs Part 9 of How To Scale Your Model (Part 8: Serving LLaMA | Part 10: JAX) So far this series has been entirely theoretical: back-of-the-envelope calculations based on hardware rooflines. The resulting trace can be viewed with Sep 11, 2025 · A 22-year-old college student is suing the city of Jacksonville and police after a video of his violent arrest went viral. Use JAX's built-in profiling tools and external profilers (like TensorBoard) to identify performance bottlenecks. Perfetto is often quicker to get going with since the trace is hosted (no Writing custom Jaxpr interpreters in JAX # JAX offers several composable function transformations (jit, grad, vmap, etc. stop_trace () in latest JAX (0. pulu mefuw hnuzvq pwdvy peczn iakjt vulqerv mnqlqe vcmde ekhpg