Comments (7)
xintin
commented on September 16, 2024
Hi @chunhualiao ,
The expectation here is only for C or Fortran too? Since offloading for Fortran would require building OpenMP separately for that and it is a bit tedious.
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chunhualiao
commented on September 16, 2024
We do want to have both C and Fortran if possible. Can you elaborate the issues with building OpenMP Fortran?
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xintin
commented on September 16, 2024
I am confused between using gfortran or flang for Fortran. I would like to build with offload capability and let you know if I face any issues. Currently, Flang is developed under two active projects.
https://github.com/flang-compiler/flang/wiki
Although Flang supports OpenMP for multicore architectures, it has no capability of offloading parallel regions to the accelerator device.
from
OpenMP GPU Offload in Flang and LLVM
So, now I remain with gfortran. I am yet to explore this. But I am refering to this doc
The major prerequisite for building OpenMP with offloading support is that gcc version cannot be over 7.
and wondering why so. Probably, I would update you on this once I am done trying this.
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chunhualiao
commented on September 16, 2024
There are several relevant tools/compilers. If one does not work for
Fortran, we just report so.
…On Tue, Jun 23, 2020, 7:24 AM Gaurav Verma ***@***.***> wrote:
I am confused between using gfortran or flang for Fortran. I would like to
build with offload capability and let you know if I face any issues.
Currently, Flang is developed under two active projects.
https://github.com/flang-compiler/flang/wiki
Although Flang supports OpenMP for multicore architectures, it has no
capability of offloading parallel regions to the accelerator device.
from
OpenMP GPU Offload in Flang and LLVM
<https://sc18.supercomputing.org/proceedings/workshops/workshop_files/ws_llvmf104s2-file1.pdf>
So, now I remain with gfortran. I am yet to explore this. But I am
refering to this doc
<https://docs.google.com/document/d/1bQ_x-nVN2JQK4bNprM2FcRwmKW4BbpOUmeg5ymyALrk/edit?pli=1#>
The major prerequisite for building OpenMP with offloading support is that
gcc version cannot be over 7.
and wondering why so. Probably, I would update you on this once I am done
trying this.
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xintin
commented on September 16, 2024
Sure. Thanks
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xintin
commented on September 16, 2024
#29 Completed for C. I will be producing the similar cases in F95. Post that, I will be closing this issue.
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xintin
commented on September 16, 2024
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