Accelerated Computing HPC Compilers

Legacy PGI Compilers (archived) 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
[Bug] nvfortran: absent optional CONTIGUOUS array appears present when passed to an explicit-shape dummy nvc, nvc++ and nvfortran	1	13	October 8, 2026
[BUG] nvc 26.5: OpenMP reduction on volatile long returns zero at -O2/-O3, works at -O0 nvc, nvc++ and nvfortran hpc-sdk	1	25	October 7, 2026
Severe performance regression in OpenMP offloading Fortran codes with driver version 590 nvc, nvc++ and nvfortran	22	485	October 3, 2026
Will nvc++ ever be open sourced? nvc, nvc++ and nvfortran	5	1112	October 1, 2026
Nvfortran 26.9: wrong results with private + intent(out) argument to declare target callee in target teams loop nvc, nvc++ and nvfortran	2	45	October 1, 2026
NVC++ miscompiles for nested loops with std::vector nvc, nvc++ and nvfortran	2	33	October 1, 2026
Nvfortran 26.9 fort2 terminated by signal 6 - munmap_chunk(): invalid pointer nvc, nvc++ and nvfortran	4	44	September 30, 2026
Nvhpc: apt repository is no longer usable on Debian 13 (SHA1 is not considered secure since 2026-02-01T00:00:00Z) nvc, nvc++ and nvfortran apt-update , hpc-sdk	1	52	September 30, 2026
Memory leak on assumed-shape arrays in frequently called kernels nvc, nvc++ and nvfortran hpc-compilers-nvfortran	4	98	September 29, 2026
Modulo not callable from target regions for int64 nvc, nvc++ and nvfortran	3	73	September 28, 2026
Nvhpc 26.5 nvfortran internal compiler error: mk_assign_sptr: upper bound missing nvc, nvc++ and nvfortran	4	89	September 28, 2026
Nvfortran 26.5: "use of undefined value" LLVM IR error with type-bound procedure call inside !$OMP PARALLEL DO nvc, nvc++ and nvfortran	3	82	September 28, 2026
Nvfortran 26.9: wrong results on GPU for private() scalars inside OMP loop nvc, nvc++ and nvfortran	2	39	September 28, 2026
NVFORTRAN misdispatches inherited type-bound generic through root-type VFT nvc, nvc++ and nvfortran	1	30	September 28, 2026
Stdpar unknown H2D D2H transfer with nvc++ nvc, nvc++ and nvfortran	3	69	September 27, 2026
Nested derived types cannot be read by inlined functions nvc, nvc++ and nvfortran	3	95	September 24, 2026
Improving performance when calling subroutines inside of openmp teams regions with nvfortran nvc, nvc++ and nvfortran	15	260	September 24, 2026
Internal compiler error on nvc 26.5 and 26.9 nvc, nvc++ and nvfortran	2	50	September 24, 2026
Internal error: assertion failed / instantiate_default_argument nvc, nvc++ and nvfortran	4	464	September 23, 2026
"invalid cast opcode" with atomic operations & pointers nvc, nvc++ and nvfortran	5	155	September 23, 2026
Frontend bug: Illegal context for the component reference nvc, nvc++ and nvfortran	2	88	September 23, 2026
NVFORTRAN 26.5 generates invalid LLVM IR with -Ktrap for REAL(SHIFTR(...)) nvc, nvc++ and nvfortran	3	97	September 23, 2026
Nvc++ ICE on github runners (Zen 4 without AVX512 capability) when lowering vector ldexp nvc, nvc++ and nvfortran	4	110	September 23, 2026
Nvc++ 26.5 -O2 miscompilation: wrong final value for a loop counter when a copy loop is inlined nvc, nvc++ and nvfortran	3	66	September 23, 2026
Just released: HPC SDK 26.9 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	41	September 23, 2026
NVHPC 26.5: default(present) fails for an empty inferred array section nvc, nvc++ and nvfortran	1	36	September 21, 2026
Nvfortran `-mp=gpu`: fort2 segfaults on a `target teams loop`: `is_alloc()` indexes the ILI table with a symbol number (24.9 through 26.5) nvc, nvc++ and nvfortran	2	58	September 19, 2026
OpenMP thread variables not set properly after inlining with 02 optimization or higher with nvfortran nvc, nvc++ and nvfortran compile	2	255	September 18, 2026
NVHPC 26.5 nvc++ internal compiler error compiling SLATE v2025.05.28 CPU OpenMP build nvc, nvc++ and nvfortran nvcc	2	44	September 16, 2026
Nvc++ version 26.5 incorrect multiply defined symbol linker error nvc, nvc++ and nvfortran	2	51	September 14, 2026