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
Problem with getting c_loc pointers from character arrays nvc, nvc++ and nvfortran	2	41	July 8, 2026
Absent-optional explicit-shape class(*) bug with nvfortran nvc, nvc++ and nvfortran hpc-compilers-nvfortran	1	33	July 6, 2026
How to query the number of SMs using OpenACC? nvc, nvc++ and nvfortran	3	48	July 2, 2026
Fortran FFTW interfaces in NVPL nvc, nvc++ and nvfortran nvpl	7	133	July 1, 2026
Nvhpc 26.5 performance regression: redundant per-kernel-launch derived-type descriptor copies from do concurrent local() in !$acc kernels nvc, nvc++ and nvfortran	4	74	June 30, 2026
Internal compiler error. ILM file: can't find intrinsic ..sqrt nvc, nvc++ and nvfortran hpc-compilers-nvfortran	2	84	June 24, 2026
Frontend bug: Argument number 2 to value: type mismatch nvc, nvc++ and nvfortran hpc-compilers-nvfortran	2	56	June 24, 2026
Frontend bug: Illegal number or type of arguments nvc, nvc++ and nvfortran hpc-compilers-nvfortran	3	61	June 24, 2026
Compiler bug: linker can't find subroutine from own module nvc, nvc++ and nvfortran	2	49	June 24, 2026
Nvfortran Internal Compiler Error "we should be allocating on device" when compiling OpenACC code nvc, nvc++ and nvfortran	2	68	June 24, 2026
Incompatibility with PETSc v3.23.7 - now nvc, nvc++ and nvfortran	2	76	June 24, 2026
NVHPC ICE when $pwd is read-only and -g given nvc, nvc++ and nvfortran	3	69	June 24, 2026
Just released: HPC SDK 26.5 Legacy PGI Compilers hpc-sdk	0	25	June 24, 2026
Just released: HPC SDK 26.5 nvc, nvc++ and nvfortran hpc-sdk Please refer to the Release Notes for full details. Download the current release at https://developer.nvidia.com/hpc-sdk/downloads. View the current documentation.	0	32	June 24, 2026
NVHPC nvc++ 26.3 compiler crash (assert) Legacy PGI Compilers bug	2	48	June 16, 2026
Can the per-process overhead be reduced? nvc, nvc++ and nvfortran	6	74	June 15, 2026
Compilation of Quantum Espresso + PLUMED needs .ipl libs nvc, nvc++ and nvfortran	7	66	June 13, 2026
Error while compiling on Thea GH node nvc, nvc++ and nvfortran	3	98	June 10, 2026
Improving performance when calling subroutines inside of openmp teams regions with nvfortran nvc, nvc++ and nvfortran	13	170	June 9, 2026
HDF5 develop testing on GitHub with nvhpc 26.3.0 fails to compile test/dt_arith.c, crashing LLVM nvc, nvc++ and nvfortran	5	77	June 8, 2026
Repeated calls to OpenACC-using function leak VRAM nvc, nvc++ and nvfortran kernel	4	64	June 8, 2026
Question about the tile directive in OpenMP and OpenAcc nvc, nvc++ and nvfortran	2	57	June 6, 2026
A severe gcc bug in g++'s OpenMP implementation affects code with templates. Users should upgrade gcc for numerical computations nvc, nvc++ and nvfortran	0	37	June 2, 2026
CUDA_ERROR_INVALID_VALUE nvc, nvc++ and nvfortran	6	92	May 28, 2026
Memory leak on assumed-shape arrays in frequently called kernels nvc, nvc++ and nvfortran hpc-compilers-nvfortran	2	47	May 22, 2026
Nvfortran error: Illegal instruction (core dumped) nvc, nvc++ and nvfortran	2	57	May 22, 2026
Acc data delete() pragma not working, explicit acc_delete() required nvc, nvc++ and nvfortran	1	41	May 20, 2026
Bugreport: nvfortran 25.5 and after “FIO-F-233/namelist read/too many constants to initialize group item” nvc, nvc++ and nvfortran	2	43	May 20, 2026
CUDA Fortran / NVFORTRAN support for GPU-accelerated ZGESVD / ZGESDD via NVLAMATH nvc, nvc++ and nvfortran cusolver	1	50	May 18, 2026
OpenMP target device selection syntax issue nvc, nvc++ and nvfortran	1	43	May 18, 2026