Intel® Fortran Compiler

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Access community support and discussions for generating optimized Fortran code for Intel® Xeon® Scalable processors and Intel® Core™ processors.

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To report an issue, provide the following details in your forum post:

  • Operating system and version
  • Compiler version
  • GNU Compiler Collection (GCC)* or Microsoft Visual Studio* version (if applicable)
  • If you're using offload features with an OpenMP* target:
    • CPU
    • Accelerator hardware (GPU or FPGA)
    • GPU or FPGA driver or runtime, and version
  • Steps to reproduce the error (include makefiles, command lines, small test cases, and build instructions)
  • Working compiler, tool, or library version, and accelerator driver version (for regressions)

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Forum Support Policy

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Topic / Topic starter Post date Replies Last Postsort ascending
Normal topic Avoid pup-up windows on library runtime errors
by Jens E.
Tue, 05/28/2019 - 04:10 4
by Jens E.
Wed, 05/20/2020 - 14:52
Hot topic Visual Studio 2019 crashes when debugging mixed C++/Fortran program
by Brian Francis
Fri, 09/27/2019 - 07:39 37
by Andrew Smith
Wed, 05/20/2020 - 02:32
Normal topic Which Parallel Studio 2019 supports VS 2019?
by bbaltz505
Mon, 05/18/2020 - 12:46 3
by Barbara P
Tue, 05/19/2020 - 14:24
Closed topic Which Parallel Studio 2019 supports VS 2019?
by bbaltz505
Mon, 05/18/2020 - 14:18 1
by Barbara P
Tue, 05/19/2020 - 13:53
Normal topic How to Distinguish Full Debug from Min Debug in a Pre-Build Event
by SunMesa
Thu, 05/14/2020 - 20:30 8
by jimdempseyatthecove
Tue, 05/19/2020 - 09:37
Normal topic HOW TO READ DATA FROM INPUT FILE
by uddin, md
Tue, 05/19/2020 - 07:17 4
by uddin, md
Tue, 05/19/2020 - 09:04
Normal topic IVF online documentation broken
by jimdempseyatthecove
Tue, 05/19/2020 - 07:50 1
by Barbara P
Tue, 05/19/2020 - 08:02
Normal topic Compilation error with ifort and make.bat
by ahsadeghi
Sat, 05/16/2020 - 06:55 1
by jimdempseyatthecove
Tue, 05/19/2020 - 06:02
Hot topic Some users unable to post a new topic
by FortranFan
Mon, 05/11/2020 - 16:07 32
by Deren T
Mon, 05/18/2020 - 14:50
Normal topic Slow macOS Catalina Compiling: License Issue or My Fault?
by Matt Thompson
Wed, 04/29/2020 - 12:39 7
by Steve Lionel (Ret.)
Mon, 05/18/2020 - 12:57
Normal topic OUTPUT FILE AS A INPUT FILE IN SAME FORTRAN PROGRAM
by uddin, md
Sun, 05/17/2020 - 16:27 2
by uddin, md
Mon, 05/18/2020 - 12:30
Normal topic COVID 6
by Nichols, John
Sun, 05/17/2020 - 16:24 7
by Nichols, John
Mon, 05/18/2020 - 12:27
Normal topic forum search box not returning forum posts
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Thu, 05/14/2020 - 20:09 5
by Barbara P
Mon, 05/18/2020 - 08:02
Normal topic Problem with deferred bindings in abstract types in XE2019 update 5
by Daniel Dopico
Fri, 09/20/2019 - 08:58 12
by Daniel Dopico
Fri, 05/15/2020 - 14:05
Hot topic Run a Serial Fortran code with multiple cores?
by Dinhle, Anh
Wed, 04/22/2020 - 07:10 25
by jimdempseyatthecove
Fri, 05/15/2020 - 10:01
Hot topic Stack with !$OMP
by John Campbell
Fri, 06/29/2018 - 20:26 32
by jimdempseyatthecove
Thu, 05/14/2020 - 08:55
Normal topic error #8093 and #6511 in  fortran 77
by Manfredini Buen...
Fri, 05/08/2020 - 11:20 4
by jimdempseyatthecove
Thu, 05/14/2020 - 07:41
Normal topic Testing 2 ..
by FortranFan
Wed, 05/13/2020 - 18:16 0
by FortranFan
Wed, 05/13/2020 - 18:16
Normal topic Integration of intel visual fotron in VS
by machavarapu, dh...
Sun, 05/10/2020 - 00:53 2
by Nichols, John
Wed, 05/13/2020 - 17:49
Normal topic Integration of intel visual fotron in VS
by machavarapu, dh...
Sun, 05/10/2020 - 00:51 1
by Steve Lionel (Ret.)
Wed, 05/13/2020 - 15:57
Normal topic Why can't I just run an f-file In MS Visual Studio?
by silvergrrl
Thu, 05/07/2020 - 10:14 4
by Steve Lionel (Ret.)
Wed, 05/13/2020 - 13:06
Normal topic Compiler ASSUME directive arguments
by ereisch
Fri, 05/08/2020 - 11:36 4
by Steve Lionel (Ret.)
Wed, 05/13/2020 - 13:02
Normal topic Testing ..
by FortranFan
Wed, 05/13/2020 - 12:43 0
by FortranFan
Wed, 05/13/2020 - 12:43
Normal topic How to remove NUL character from end of variable in output file
by Bekbauov, Bakhbergen
Thu, 05/07/2020 - 05:21 12
by Bekbauov, Bakhbergen
Wed, 05/13/2020 - 02:46
Normal topic class pointer problem with Intel 2020 compiler
by Vu, Phuong
Thu, 05/07/2020 - 07:16 5
by Nichols, John
Sat, 05/09/2020 - 09:08
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For more complete information about compiler optimizations, see our Optimization Notice.