accelerator does not match the profile error

Accelerated Computing HPC Compilers Legacy PGI Compilers
1

Hi,

I am running pgcc version 16.7 in linux mint. Few days ago everything was running well.

However, suddenly I am getting this error when I run any openAcc program (see below).
This is happening only for openAcc programs. Cuda Fortran and openMP programs produced using pgi compilers runs fine.

Any ideas?

Thanks.

$ laplace_parallelOpenAcc 1000

Ruuning 1000 iterations
Current file: /home/efblack/Development/OpenACC_Programming_and_Best_PracticeGuide/Chapter4MF/openAcc/laplace.c
function: laplace
line: 9
Current region was compiled for:
NVIDIA Tesla GPU sm30 sm35
Available accelerators:
device[1]: Native X86 (CURRENT DEVICE)
The accelerator does not match the profile for which this program was compiled


$ pgcc --version
pgcc 16.7-0 64-bit target on x86-64 Linux -tp haswell
The Portland Group - PGI Compilers and Tools
Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.

2

Hi efblack2,

That’s the error you get when the runtime can’t find the CUDA driver.

What does the output from the “pgaccelinfo” utility show?

  • Mat
3

Here is the output of pgaccelinfo and pgaccelinfo -v

(Notice thelibcuda.so not found
and libcoi_host.so not found)

$ pgaccelinfo
No accelerators found.
Try pgaccelinfo -v for more information

$ pgaccelinfo -v
libcuda.so not found

OpenCL Platform: NVIDIA CUDA
OpenCL Vendor: NVIDIA Corporation

Device Number: 0
Device Name: GeForce GT 750M
Available: Yes
Compiler Available: Yes
Device Version: OpenCL 1.2 CUDA
Global Memory Size: 2146762752
Maximum Object Size: 536690688
Global Cache Size: 32768
Max Clock (MHz): 967
Compute Units: 2
Constant Memory Size: 65536
Local Memory Size: 49152
Workgroup Size: 1024
Address Bits: 64
ECC Support: No

Device Number: 1
Device Name: GeForce GT 750M
Available: Yes
Compiler Available: Yes
Device Version: OpenCL 1.2 CUDA
Global Memory Size: 2147287040
Maximum Object Size: 536821760
Global Cache Size: 32768
Max Clock (MHz): 967
Compute Units: 2
Constant Memory Size: 65536
Local Memory Size: 49152
Workgroup Size: 1024
Address Bits: 64
ECC Support: No
libcoi_host.so not found


Cuda Fortran has not problem finding the GPUs

4

libcuda.so not found

This is the problem, though don’t know why it’s occurring. Can you try reinstalling the CUDA Driver?

5

The libcuda.so was there, but not in the expected place.
It happen after a fresh install of the OS and cuda toolkit in my computer.

A soft link into the right directory solve the problem.


Thanks a lot.

Edgar