Accelerated Computing HPC Compilers

Legacy PGI Compilers This forum contains the contents from the original PGI User Forums. Please post questions related to PGI compilers here. nvc, nvc++ and nvfortran Greetings and welcome to the NVIDIA HPC Compilers forum. Post your questions and comments here pertaining to the NVIDIA C, C++ and Fortran HPC compilers, and to their interoperation with NVCC and other HPC SDK components.

Topic	Replies	Views	Activity
Under Nvfortran 25.3 -stdpar=gpu -acc=gpu -gpu=mem:separate -O3 is still slow nvc, nvc++ and nvfortran	6	28	July 26, 2025
ICE on assignment of minval to derived type components nvc, nvc++ and nvfortran	2	418	July 25, 2025
PDT: KIND and LEN type parameters are mutually exclusive nvc, nvc++ and nvfortran	2	526	July 25, 2025
Nvfortran: overloaded constructor does not execute nvc, nvc++ and nvfortran	2	168	July 25, 2025
Two issues: (1) unformatted file data layout of a derived type of array of derived type of ..., (2) 64bit support of STORAGE_SIZE intrinsic nvc, nvc++ and nvfortran hpc-compilers-nvfortran	5	34	July 25, 2025
A bug with -O3 optimization with pointers nvc, nvc++ and nvfortran	2	51	July 25, 2025
Problems allocating OMP threadprivate pinned arrays of custom types nvc, nvc++ and nvfortran cuda , hpc-sdk	5	28	July 25, 2025
Compilation issue with nvc version 24.09 and newer (OpenACC) nvc, nvc++ and nvfortran nvbugs , compile	2	50	July 25, 2025
Do concurrent multicore causes wrong answers in loop over large integers nvc, nvc++ and nvfortran hpc-compilers-nvfortran	1	11	July 25, 2025
Incorrect result when using the OpenACC min/max reducer over arrays containing only +/-Inf with nvhpc-24.5 nvc, nvc++ and nvfortran	3	15	July 25, 2025
Nvfortran OpenMP offload segfaults when updating derived type with allocatable member Legacy PGI Compilers	2	16	July 25, 2025
Acessing globalTimer from Cuda Fortran nvc, nvc++ and nvfortran hpc-sdk	3	32	July 25, 2025
Memcpy_async in CUDA Fortran nvc, nvc++ and nvfortran hpc-sdk	5	50	July 25, 2025
Explicit deallocation in subroutine inside fortran openmp offload kernel crashes nvc, nvc++ and nvfortran	2	36	July 23, 2025
Just released: HPC SDK v25.7 Legacy PGI Compilers hpc-sdk Please refer to the Release Notes for full details. Download the current release at https://developer.nvidia.com/nvidia-hpc-sdk-downloads. View the current documentation.	1	10	July 22, 2025
Just released: HPC SDK v25.7 nvc, nvc++ and nvfortran hpc-sdk Please refer to the Release Notes for full details. Download the current release at https://developer.nvidia.com/nvidia-hpc-sdk-downloads. View the current documentation.	1	9	July 22, 2025
Vectorized load and store instructions in CUDA Fortran nvc, nvc++ and nvfortran	5	19	July 22, 2025
Missing .note.GNU-stack nvc, nvc++ and nvfortran	10	45	July 22, 2025
Nvfortran 25.3: support for half-precision reals nvc, nvc++ and nvfortran	7	99	July 18, 2025
cuDSS in a Fortran MPI program leading to segfault nvc, nvc++ and nvfortran cusparse , cudss	7	45	July 18, 2025
Acc_on_device routine with a compile-time constant argument is not evaluated to a constant at compile time nvc, nvc++ and nvfortran	9	460	July 18, 2025
Question about implicit functions with device arrays in CUDA Fortran nvc, nvc++ and nvfortran	2	17	July 17, 2025
Question about implicit functions with device arrays in CUDA Fortran nvc, nvc++ and nvfortran cuda	4	23	July 17, 2025
Explanation on cufinfo.cuf outputs nvc, nvc++ and nvfortran	1	11	July 15, 2025
How to spot arrays which are missing from data copy()? nvc, nvc++ and nvfortran	4	20	July 15, 2025
Default -tp setting? nvc, nvc++ and nvfortran	2	27	July 14, 2025
Why do I keep getting "managed attribute mismatch" in my routine calls? nvc, nvc++ and nvfortran	5	26	July 10, 2025
How to "link" to OneDrive Legacy PGI Compilers	5	706	July 6, 2025
No CUDA device code available nvc, nvc++ and nvfortran	6	41	July 2, 2025
Can we use a large derived type over 2GiB Sizes? nvc, nvc++ and nvfortran	2	34	July 2, 2025