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Compiler Support Status

This directory contains two categories of unit tests:

compiler_test_m.f90 verifies that a compiler calls a type's final subroutine in each of the scenarios in which the Fortran 2018 standard requires finalization to occur.

Summary

  • AMD: unsupported (fails to build Smart-Pointers)
  • Cray: partial support (3 test failures)
  • GCC: full support 🏆 (0 test failures)
  • IBM: partial support (1 test failure)
  • Intel: partial support (1 test failure)
  • LLVM: unsupported (fails to build Smart-Pointers)
  • NAG: full support 🏆 (0 test failures)
  • NVIDIA: partial support (2 test failures)

Detailed Results

AMD

  • Version tested: 13.0.0 (AOCC_3.2.0-Build#128 2021_11_12)
  • Result: Fails to build due to an internal compiler error (ICE)

Cray

  • Version: 17.0.0
  • Result: 4 test failures.
 The compiler
   Pass: finalizes a non-allocatable object on the LHS of an intrinsic assignment
   Fail: finalizes an allocated allocatable LHS of an intrinsic assignment
   Pass: finalizes a target when the associated pointer is deallocated
   Pass: finalizes an object upon explicit deallocation
   Pass: finalizes a non-pointer non-allocatable object at the END statement
   Pass: finalizes a non-pointer non-allocatable object at END BLOCK statement
   Pass: finalizes a function reference on the RHS of an intrinsic assignment
   Pass: finalizes a specification expression function result
   Fail: finalizes an intent(out) derived type dummy argument
   Pass: finalizes an allocatable component object
 
 A smart_pointer
   Pass: creates a resource when constructed
   Fail: removes the resource when the object goes out of scope
   Pass: copy points to the same resource as the original
   Fail: has zero references after a shallow copy goes out of scope

GCC

  • Version: 13.1.0
  • Result: 0 test failures.
 % fpm test
Project is up to date

 The compiler
   Pass: finalizes a non-allocatable object on the LHS of an intrinsic assignment
   Pass: finalizes an allocated allocatable LHS of an intrinsic assignment
   Pass: finalizes a target when the associated pointer is deallocated
   Pass: finalizes an object upon explicit deallocation
   Pass: finalizes a non-pointer non-allocatable object at the END statement
   Pass: finalizes a non-pointer non-allocatable object at END BLOCK statement
   Pass: finalizes a function reference on the RHS of an intrinsic assignment
   Pass: finalizes a specification expression function result
   Pass: finalizes an intent(out) derived type dummy argument
   Pass: finalizes an allocatable component object

 A smart_pointer
   Pass: creates a resource when constructed
   Pass: removes the resource when the object goes out of scope
   Pass: copy points to the same resource as the original
   Pass: has zero references after a shallow copy goes out of scope

The above gfortran version was built from source using commands of the following form:

git clone git@github.com:sourceryinstitute/opencoarrays
cd opencoarrays
./install.sh -p gcc -b master -j <num-threads>
export LD_LIBRARY_PATH="${PWD}/prerequisites/installations/lib"
export PATH="${PWD}/prerequisites/installations/bin:$PATH"

after replacing <num-threads> with the desired number of threads for an accelerated, multithreaded build. Producing the above test results requires GCC commit d7caf313525a46f200d7f5db1ba893f853774aee, which reduced the number of gfortran test failures from six to zero.

IBM

  • Version: IBM Open XL Fortran for AIX 17.1.0
  • Result: 1 test failure
$ fpm test --archiver ar --compiler xlf2008_r --flag -DXLF
<WARN> Unknown compiler xlf2008_r requested! Defaults for this compiler might be incorrect
Project is up to date
 
 The compiler
   Pass: finalizes a non-allocatable object on the LHS of an intrinsic assignment
   Pass: finalizes an allocated allocatable LHS of an intrinsic assignment
   Pass: finalizes a target when the associated pointer is deallocated
   Pass: finalizes an object upon explicit deallocation
   Pass: finalizes a non-pointer non-allocatable object at the END statement
   Pass: finalizes a non-pointer non-allocatable object at END BLOCK statement
   Pass: finalizes a function reference on the RHS of an intrinsic assignment
   Pass: finalizes a specification expression function result
   Pass: finalizes an intent(out) derived type dummy argument
   Pass: finalizes an allocatable component object
 
 A smart_pointer
   Pass: creates a resource when constructed
   Pass: removes the resource when the object goes out of scope
   Pass: copy points to the same resource as the original
   Fail: has zero references after a shallow copy goes out of scope

Intel

  • Versions:
    • ifx 2024.0.0 Build 20231017
    • ifort 2021.7.0 Build 20220726_000000
  • Result: 1 test failure.
 % fpm test --compiler ifort
Project is up to date
 
 The compiler
   
 Pass: finalizes a non-allocatable object on the LHS of an intrinsic assignment
   Pass: finalizes an allocated allocatable LHS of an intrinsic assignment
   Pass: finalizes a target when the associated pointer is deallocated
   Pass: finalizes an object upon explicit deallocation
   Pass: finalizes a non-pointer non-allocatable object at the END statement
   Pass: finalizes a non-pointer non-allocatable object at END BLOCK statement
   Pass: finalizes a function reference on the RHS of an intrinsic assignment
   Pass: finalizes a specification expression function result
   Pass: finalizes an intent(out) derived type dummy argument
   Pass: finalizes an allocatable component object
 
 A smart_pointer
   Pass: creates a resource when constructed
   Pass: removes the resource when the object goes out of scope
   Pass: copy points to the same resource as the original
   Fail: has zero references after a shallow copy goes out of scope

LLVM

  • Version tested: 19.0.0 git commit 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd
  • Result: 0 test failures. 🏆
The compiler
   Pass: finalizes a non-allocatable object on the LHS of an intrinsic assignme
 nt
   Pass: finalizes an allocated allocatable LHS of an intrinsic assignment
   Pass: finalizes a target when the associated pointer is deallocated
   Pass: finalizes an object upon explicit deallocation
   Pass: finalizes a non-pointer non-allocatable object at the END statement
   Pass: finalizes a non-pointer non-allocatable object at END BLOCK statement
   Pass: finalizes a function reference on the RHS of an intrinsic assignment
   Pass: finalizes a specification expression function result
   Pass: finalizes an intent(out) derived type dummy argument
   Pass: finalizes an allocatable component object

 A smart_pointer
   Pass: creates a resource when constructed
   Pass: removes the resource when the object goes out of scope
   Pass: copy points to the same resource as the original
   Pass: has zero references after a shallow copy goes out of scope

NAG

  • Version: 7.1 (Build 7113)
  • Result: 0 test failures. 🏆
 % fpm test --compiler nagfor --flag -fpp
Project is up to date

 The compiler
   Pass: finalizes a non-allocatable object on the LHS of an intrinsic assignment
   Pass: finalizes an allocated allocatable LHS of an intrinsic assignment
   Pass: finalizes a target when the associated pointer is deallocated
   Pass: finalizes an object upon explicit deallocation
   Pass: finalizes a non-pointer non-allocatable object at the END statement
   Pass: finalizes a non-pointer non-allocatable object at END BLOCK statement
   Pass: finalizes a function reference on the RHS of an intrinsic assignment
   Pass: finalizes a specification expression function result
   Pass: finalizes an intent(out) derived type dummy argument
   Pass: finalizes an allocatable component object

 A smart_pointer
   Pass: creates a resource when constructed
   Pass: removes the resource when the object goes out of scope
   Pass: copy points to the same resource as the original
   Pass: has zero references after a shallow copy goes out of scope

NVIDIA

  • Version: 22.7-0 64-bit target on x86-64 Linux -tp zen3
  • Result: 2 test failures