Fortran compiler for windows free

Fortran compiler for windows free

You can download the 1999 version of this compiler (version 2.95 of gcc ) along with the SLATEC library (Version 4.1, July 1993), from this page. The package should run under all versions of Windows. All the needed files are packed in one zipped file ( Fort99.zip ) of about 6MB.

(If for some reason you need the older DOS/EMX version, which does not include a library and does not run under Windows XP , then you can download it from my old page.)

DOWNLOAD

• Create the directory \F
  The new folder must be immediately under the root of your hard disk. You can do this by double-clicking MyComputer, then double-clicking your hard drive (usually C: ), and then selecting New Folder from the File menu and calling the folder F .

Download the file Fort99.zip (5,820,239 bytes).
You can do this by right-clicking the mouse on the above link, and choosing Save Target As. . In the Save As window that appears, locate the F folder, and save the file in it.

Unzip the downloaded file into \F .
Yon can do this by locating the file (starting from MyComputer) and simply double-clicking it to launch the zip/unzip program. Make sure to specify that all files should be extracted immediately under the F folder.

Note: If the unzip program does not give you the option to specify the extraction location, let it extract the content to anywhere and then move the extracted folders (using cut and paste) to F . When done, you should see the four folders G77 , SLATEC , MINE , and YORK appearing in F .

That’s it! You use the compiler through CLI, the command-line interface (aka terminal, command prompt, or DOS) after setting two environment variables, PATH and LIBRARY_PATH , as shown below.

USAGE

To compile your program, start a CLI session (by launching the command prompt program, usually in the Accessories group) and issue these two commands: These set the environment so that your computer would know where the compiler and its libraries are located.

Note: these two commands must be issued every time you start a CLI session. You can optionally automate this step by adding these two variables to the system-wide environment using the Control Panel.

You can now compile and run your program by typing: If the first command returned an error then the directory was not created (or named) correctly. If the second command was not recognized, or complained that a library is missing, then the environment variables were not set correctly (you can issue the set command without any arguments to inspect all environment variables).

More information on using the compiler can be found in the on-line Labs at the Fortran@York site.

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Fortran Compilers

Fortran has over a dozen open source and commercial compilers.

Open source compilers

GNU Fortran Compiler

GNU Fortran Compiler (gfortran) is a mature free and open source compiler, part of the GNU Compiler Collection.

OpenCoarrays is a library and compiler wrapper around gfortran which enables the parallel programming features of Fortran 2018 with gfortran.

LLVM Flang

Flang is a new front-end for Fortran 2018 that has been recently added to LLVM. It is implemented in modern C++ and uses a Fortran-oriented MLIR dialect for lowering to LLVM IR. This project is under active development.

Current Flang

Flang is an open source compiler based on the NVIDIA/PGI commercial compiler.

LFortran

LFortran is a modern, interactive, LLVM-based Fortran compiler.

Commercial compilers

Intel

Intel Parallel Studio XE is Intel’s suite of compilers, tools, and libraries for Fortran, C, C++, and Python. Intel offers the Linux edition of their compiler suite for free for open source contributors.

The latest NAG Fortran Compiler release (7.0) has extensive support for legacy and modern Fortran features including parallel programming with coarrays, as well as additional support for programming with OpenMP.

The Compiler also provides significant support for Fortran 2018 (atomic operations, events and tasks, plus other smaller features), almost all of Fortran 2008, complete coverage of Fortran 2003, and all of OpenMP 3.1. All platforms include supporting tools for software development: source file polishers, dependency generator for module and include files, call-graph generator, interface builder and a precision unifier.

PGI compilers deliver the performance you need on CPUs, with OpenACC and CUDA Fortran for HPC applications development on GPU-accelerated systems. OpenACC and CUDA programs can run several times faster on a single Tesla V100 GPU compared to all the cores of a dual-socket server, and interoperate with MPI and OpenMP to deliver the full power of today’s multi-GPU servers.

HPE / Cray

The Cray Compiling Environment (CCE) is the cornerstone innovation of Cray’s adaptive computing paradigm. CCE builds on a well-developed and sophisticated Cray technology base that identifies regions of computation that are either sequential scalar, vector parallel or highly multithreaded. It includes optimizing compilers that automatically exploit the scalar, vector and multithreading hardware capabilities of the Cray system. CCE supports Fortran, C and C++.

IBM® XL Fortran for Linux is an industry standards-based programming tool used to develop large and complex applications in the Fortran programming language. It generates code that leverages the capabilities of the latest POWER9 architecture and maximizes your hardware utilization. IBM XL Fortran for Linux optimizes your infrastructure on IBM Power Systems™ in support of extensive numerical, scientific and high-performance computing.

The AMD Optimizing C/C++ Compiler (AOCC) compiler system is a high performance, production quality code generation tool. The AOCC environment provides various options to developers when building and optimizing C, C++, and Fortran applications targeting 32-bit and 64-bit Linux® platforms. The AOCC compiler system offers a high level of advanced optimizations, multi-threading and processor support that includes global optimization, vectorization, inter-procedural analyses, loop transformations, and code generation. AMD also provides highly optimized libraries, which extract the optimal performance from each x86 processor core when utilized. The AOCC Compiler Suite simplifies and accelerates development and tuning for x86 applications.

Linux user-space Fortran compiler. Tailored for HPC and scientific codes, with support for popular Fortran and OpenMP standards and tuned for leading server-class Arm-based platforms. Built on the open source Flang front-end, and the LLVM‑based optimization and code generation back-end. Available as part of the Arm Compiler for Linux package.

Absoft

Our compilers build faster code more efficiently than ever before. Pro Fortran delivers Absoft’s exclusive AP load balancing (offering an increase in performance of up to 20%!), AVX, OpenMP 3.1, highly extended Fortran 95 compiler with F2003 and F2008 features,, FX3 graphical debugger, native tool suite integration, AMDAL HPC scientific and engineering library, and much more. Plus, Pro Fortran is the only compiler with Fast Data Visualization, an Absoft exclusive technology for graphical rendering and data output.

Oracle / Sun

Oracle C, C++, Fortran Compiler is highly optimized for Oracle systems, on-premise and in the cloud

• Advanced code generation technology for the latest Oracle SPARC and x86 based systems
• Support for the latest industry standards, including C++14, C++11, C11 and OpenMP 4.0 and extensive GCC compatibility features
• Automatic code analysis during compilation and automatic stack overflow protection at application runtime

Lahey / Fujitsu

Combining the 32/64-bit LGF Rainier compiler with the classic Lahey/Fujitsu LF95 compiler, LF Professional v7.8 delivers! LGF Rainier has full Fortran 95/90/77 compliance with extensive support for the Fortran 2003 and 2008 standards. Lahey/Fujitsu LF95 offers best in class diagnostics. Includes the automatic-parallelizing GFortran compiler, Lahey/Fujitsu Fortran 95 compiler, Visual Studio 2015 Shell (compatible with VS2017), Lahey’s Exclusive Visual Studio Fortran support, Winteracter WiSK Graphics package, and more!

Silverfrost FTN95

Silverfrost FTN95 is a full Fortran 95 standards compliant compiler, capable of producing fast executables for Win32 and for Microsoft .NET. FTN95 ships with the world’s best runtime checking and a great range of supporting software. All standard and many vendor-specific legacy language features are supported, so that Fortran projects may be any combination of Fortran 77, Fortran 90 and Fortran 95.

The Fortran compiler conforms to the Fortran-2003 standard (ISO/IEC 1539-1:2004) and supports many features from Fortran-2008 (ISO/IEC 1539-1:2010).

Discontinued

The following is a list of Fortran compilers that seem discontinued, so we do not list them above:

Please let us know if there is any compiler that is not listed, or if we listed a compiler in the Discontinued section and it is in fact actively maintained.

Subscribe to our mailing list to discuss anything Fortran related, announce Fortran projects, discuss development of core fortran-lang.org projects (stdlib, fpm), and get the latest news.

Join the discussion about all things Fortran on the fortran-lang discourse.

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Intel® Fortran Compiler

A Tradition of Trusted Application Performance

The Intel® Fortran Compiler builds high-performance applications by generating optimized code for Intel® Xeon® Scalable processors and Intel® Core™ processors. Its features allow you to:

• Boost Single Instruction Multiple Data (SIMD) vectorization and threading capabilities (including for Intel® Advanced Vector Extensions 512 instructions) using the latest OpenMP* parallel programming model
• Take advantage of more cores and increased vector register width available in Intel® Xeon® processors
• Comply with open standards such as Fortran and OpenMP
• Work with a familiar set of tools on your preferred platform: Windows*, Linux*, or macOS*

What’s New

• Substantial Fortran 2018 support includes new features for coarray collectives
• Full OpenMP* 4.5 and Initial OpenMP* 5.0 support to leverage the latest SIMD-enabled hardware

For a list of all new features, see the release notes.

Help When You Need It

Connect to the developer community and Intel technical experts through this public forum.

All paid versions of Intel® Software Development Products automatically include Priority Support for one year from your date of purchase.

For more information, see our purchase FAQ.

Get the Compiler

The Intel Fortran Compiler is part of Intel Parallel Studio XE. Try it today for 30 days, and optionally convert to a paid license that includes Priority Support for one year. Students and classroom educators may qualify for a free version of the suite.

What Customers Are Saying

«Intel Fortran Compiler outperforms GNU Fortran (GFortran) by more than 40 percent when testing various scenarios on the complex Stokes Inversion based on Response functions (SIR) numerical code on Ubuntu Linux*. Numerical results were identical between the two compilers, and saved me precious time and effort.»

— Carlos Quintero Noda, doctor of astrophysics; International Top Young Fellow, Japan Aerospace Exploration Agency (JAXA)

«Intel continues to impress with me with its Intel Fortran Compiler. Having used various other Fortran compilers, and then switching to Intel Parallel Studio XE thanks to the Intel® software academic offering, we saw immediate benefits. Our application involves a large number of scientific calculations and computations, and we saw additional performance gains with the Intel Fortran Compiler. The seamless integration of the Intel Fortran Compiler with Microsoft Visual Studio* is worth mentioning and appreciating.»

— Dan Geană, professor of Department of Applied Physical Chemistry and Electrochemistry, faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest

«I am using Intel Fortran Compiler to develop an automated forest cover identification system from digital aerial images forming stereo pairs. This system uses advanced texture and shape analysis to identify and classify the forest cover (species, density, and height) in order to produce forest inventory maps. Stereo matching is used to produce 3D digital canopy models that are subsequently analyzed by the texture and shape classification program. The advantages of Intel Fortran Compiler are:

• Conformance to the latest Fortran standards (full Fortran 2003, most of Fortran 2008, and even a few features from the upcoming Fortran 2015)
• Integration within Microsoft Visual Studio*, thus providing a complete, integrated development environment including a Fortran-aware debugger
• State-of-the-art optimizations for the latest Intel® processors (Intel® Advanced Vector Extensions instructions, etc.) and automatic parallelization
• QuickWin library to rapidly build a Windows interface (the image interpretation system uses the QuickWin library)

— Jean Vezina, software developer and forest engineer

«I develop Fortran-based and Linux cluster-based applications and think [the] Intel® Parallel Studio XE Cluster Edition is a great productivity suite. It is full of very useful tools for developers of complex code who want outstanding application performance. The optimization reports from the Intel Fortran Compiler are extremely useful and take advantage of the explicit vectorization compiler features as much as possible. Intel® Math Kernel Library is a great collection of ready-to-use math libraries that speed development and application performance. Productive stuff for developers from Intel. Keep it coming!»

— Alexandre Silva Lopes, senior researcher, Centre for Wind Energy and Atmospheric Flows, University of Porto, Faculty of Engineering

«Intel has done a great job implementing OpenMP* 4.0 in the Intel Fortran Compiler of Intel Parallel Studio XE. The standards support is also excellent. I have used OpenMP and the Intel Fortran Compiler in our scientific computing cluster at the University of Alcalá to add parallelism in the computation of an atmospheric radiative transfer calculation. We have reduced the time needed to analyze a scenario from two months to 12 days by implementing OpenMP with the Intel Fortran Compiler. My sincere advice is to try Intel Parallel Studio XE.»

— José Alberto Morales de los Ríos Pappa, electronics and software developer for the infrared (IR) camera in the Extreme Universe Space Observatory Onboard Japanese Experiement Module (JEM-EUSO) mission, Math and Physics Department, University of Alcalá

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