List of the Top 4 HPC Software for Fortran in 2025

TotalView debugging software provides critical resources aimed at accelerating the debugging, analysis, and scaling of high-performance computing (HPC) applications. This innovative software effectively manages dynamic, parallel, and multicore applications, functioning seamlessly across a spectrum of hardware, ranging from everyday personal computers to cutting-edge supercomputers. By leveraging TotalView, developers can significantly improve the efficiency of HPC development, elevate the quality of their code, and shorten the time required to launch products into the market, all thanks to its advanced capabilities for rapid fault isolation, exceptional memory optimization, and dynamic visualization. The software empowers users to debug thousands of threads and processes concurrently, making it particularly suitable for multicore and parallel computing environments. TotalView gives developers an unmatched suite of tools that deliver precise control over thread execution and processes, while also providing deep insights into program states and data, ensuring a more streamlined debugging process. With its extensive features and capabilities, TotalView emerges as an indispensable asset for professionals working in the realm of high-performance computing, enabling them to tackle challenges with confidence and efficiency. Its ability to adapt to various computing needs further solidifies its reputation as a premier debugging solution.

There is no need to alter your current code or the methods of construction you are using. Profiling is a critical aspect for applications that run on multiple servers and processes, as it provides clear insights into performance issues related to I/O, computational tasks, threading, and multi-process operations. By utilizing profiling, developers gain a thorough understanding of the types of processor instructions that can affect performance metrics significantly. Additionally, monitoring memory usage trends over time enables you to pinpoint peak consumption levels and shifts in memory usage across the entire system. Arm MAP is recognized as a highly scalable and low-overhead profiling tool that can operate either independently or as part of the Arm Forge suite, which is specifically tailored for debugging and profiling tasks. This tool is particularly beneficial for developers working on server and high-performance computing (HPC) applications, as it reveals the fundamental causes of slow performance, making it suitable for everything from multicore Linux workstations to sophisticated supercomputers. You can efficiently profile the realistic test scenarios that are most pertinent to your work while typically incurring less than 5% overhead in runtime. The interactive interface is designed for clarity and usability, addressing the specific requirements of both developers and computational scientists, making it an indispensable asset for optimizing performance. Ultimately, leveraging such tools can significantly enhance your application's efficiency and responsiveness.

Developing reliable and optimized code that delivers precise outcomes across a range of server and high-performance computing (HPC) architectures is essential, especially when leveraging the latest compilers and C++ standards for Intel, 64-bit Arm, AMD, OpenPOWER, and Nvidia GPU hardware. Arm Forge brings together Arm DDT, regarded as the top debugging tool that significantly improves the efficiency of debugging high-performance applications, alongside Arm MAP, a trusted performance profiler that delivers vital optimization insights for both native and Python HPC applications, complemented by Arm Performance Reports for superior reporting capabilities. Moreover, both Arm DDT and Arm MAP can function effectively as standalone tools, offering flexibility to developers. With dedicated technical support from Arm experts, the process of application development for Linux Server and HPC is streamlined and productive. Arm DDT stands out as the preferred debugger for C++, C, or Fortran applications that utilize parallel and threaded execution on either CPUs or GPUs. Its powerful graphical interface simplifies the detection of memory-related problems and divergent behaviors, regardless of the scale, reinforcing Arm DDT's esteemed position among researchers, industry professionals, and educational institutions alike. This robust toolkit not only enhances productivity but also plays a significant role in fostering technical innovation across various fields, ultimately driving progress in computational capabilities. Thus, the integration of these tools represents a critical advancement in the pursuit of high-performance application development.

High-performance computing (HPC) is a crucial aspect for various applications, including AI, machine learning, and deep learning. The Intel® oneAPI HPC Toolkit (HPC Kit) provides developers with vital resources to create, analyze, improve, and scale HPC applications by leveraging cutting-edge techniques in vectorization, multithreading, multi-node parallelization, and effective memory management. This toolkit is a key addition to the Intel® oneAPI Base Toolkit, which is essential for unlocking its full potential. Furthermore, it offers users access to the Intel® Distribution for Python*, the Intel® oneAPI DPC++/C++ compiler, a comprehensive suite of powerful data-centric libraries, and advanced analysis tools. Everything you need to build, test, and enhance your oneAPI projects is available completely free of charge. By registering for an Intel® Developer Cloud account, you receive 120 days of complimentary access to the latest Intel® hardware—including CPUs, GPUs, and FPGAs—as well as the entire suite of Intel oneAPI tools and frameworks. This streamlined experience is designed to be user-friendly, requiring no software downloads, configuration, or installation, making it accessible to developers across all skill levels. Ultimately, the Intel® oneAPI HPC Toolkit empowers developers to fully harness the capabilities of high-performance computing in their projects.