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
error LNK2005: DllMain already defined in msvcrt.lib(dll_dll Legacy PGI Compilers	10	5119	January 8, 2026
Severe performance regression in OpenMP offloading Fortran codes with driver version 590 nvc, nvc++ and nvfortran	4	57	January 5, 2026
Incorrect "Could not resolve generic procedure" from nvfortran 25.11 nvc, nvc++ and nvfortran	1	12	January 5, 2026
Internal compiler error from nvc++ with the 25.11 release of hpc_sdk nvc, nvc++ and nvfortran	1	15	January 5, 2026
Nvfortran compile issues with UDDTIO nvc, nvc++ and nvfortran	1	18	December 22, 2025
Does nvfortran support “import, only”? nvc, nvc++ and nvfortran	4	41	December 19, 2025
Nvfortran with mpi rma and file i/o buffering nvc, nvc++ and nvfortran	1	24	December 18, 2025
Availability of NCCL TLS from UCC in hpcx-mpi/2.22.1 from nvhpc/25.3 nvc, nvc++ and nvfortran	2	26	December 17, 2025
Nvfortran 25.5 does not allow allocatable in recursive type nvc, nvc++ and nvfortran	3	32	December 17, 2025
Internal compiler error for generic type bound procedures with BIND(C) (cuda c/c++) routines nvc, nvc++ and nvfortran	2	23	December 17, 2025
MPI_Scatter hits CUDA_ERROR_NOT_PERMITTED nvc, nvc++ and nvfortran	12	61	December 17, 2025
Acc loop directive with vector reduction clauses leads to aborting code nvc, nvc++ and nvfortran	5	36	December 17, 2025
Undefined reference to __extendhfxf2 while building parallel HDF5 1.14.6 with NVHPC 24.11 nvc, nvc++ and nvfortran	3	26	December 16, 2025
Polymorphic pointers does not work with bind(c) derived type in nvfortran nvc, nvc++ and nvfortran	1	20	December 15, 2025
__mth_i_kpowk error nvc, nvc++ and nvfortran	3	30	December 15, 2025
Stream management and interoperability between OpenACC and CUDA libraries nvc, nvc++ and nvfortran	3	52	December 12, 2025
Various compiler problems with offloading to blackwell 5060 Ti nvc, nvc++ and nvfortran	10	102	December 9, 2025
Nvfortran 25.11: internal compiler error with OpenACC code nvc, nvc++ and nvfortran	1	35	December 5, 2025
Nvfortran 25.9: bug when compiling with OpenACC support enabled nvc, nvc++ and nvfortran	4	56	December 19, 2025
Has anyone addressed GPU memory limitations in OpenACC-ported scientific applications? nvc, nvc++ and nvfortran kernel , gpu	6	108	December 5, 2025
"invalid cast opcode" with atomic operations & pointers nvc, nvc++ and nvfortran	4	44	December 4, 2025
Severe performance regression in nvc++ starting from 24.11 nvc, nvc++ and nvfortran nvbugs	7	110	December 4, 2025
Version 25.9 no longer compiles the MAS code, but 25.7 works nvc, nvc++ and nvfortran	3	59	December 3, 2025
Why do I keep getting "managed attribute mismatch" in my routine calls? nvc, nvc++ and nvfortran	6	88	December 3, 2025
Acc_on_device routine with a compile-time constant argument is not evaluated to a constant at compile time nvc, nvc++ and nvfortran	10	570	December 3, 2025
Bug of nvfortran 25.7 with empty arrays nvc, nvc++ and nvfortran nvbugs	2	69	December 3, 2025
Import problem in nvfortran 25.9 nvc, nvc++ and nvfortran	3	87	December 3, 2025
Just released: HPC SDK v25.11 Legacy PGI Compilers hpc-sdk	1	33	December 3, 2025
Just released: HPC SDK v25.11 nvc, nvc++ and nvfortran hpc-sdk Please refer to the [Release Notes](https://docs.nvidia.com/hpc-sdk/hpc-sdk-release-notes/index.html) for full details. Download the current release at [https://developer.nvidia.com/nvidia-hpc-sdk-downloads](https://dev…	1	45	December 3, 2025
MPI_Send and MPI_Recv not found in “omp target is_device_ptr”-region nvc, nvc++ and nvfortran	2	36	December 3, 2025