PGI User Forum

[Sorin Mitran]

Please help:

* cannot run f1.f90 example with Tesla C870 card. Output from f1.exe:

call to cuCtxCreate returned error 2: Out of memory


* NVIDIA SDK examples work fine

* output from make f1

make f1
pgfortran -ta=nvidia -Minfo=accel -fast f1.f90 -o f1
NOTE: your trial license will expire in 14 days, 9.59 hours.
NOTE: your trial license will expire in 14 days, 9.59 hours.
main:
38, Generating copyin(a(1:n))
Generating copyout(r(1:n))
39, Loop is parallelizable
Accelerator kernel generated
39, !$acc do parallel, vector(256)

* output from pgaccelinfo shows FAILED to create/destroy device context errors

Device Number: 0
Device Name: Tesla C870
Device Revision Number: 1.0
Global Memory Size: 1610350592
Number of Multiprocessors: 16
Number of Cores: 128
Concurrent Copy and Execution: No
Total Constant Memory: 65536
Total Shared Memory per Block: 16384
Registers per Block: 8192
Warp Size: 32
Maximum Threads per Block: 512
Maximum Block Dimensions: 512 x 512 x 64
Maximum Grid Dimensions: 65535 x 65535 x 1
Maximum Memory Pitch: 262144B
Texture Alignment 256B
Clock Rate: 1350 MHz
Initialization time: 5153 microseconds
Current free memory 1564213248
Upload time (4MB) 2195 microseconds (1381 ms pinned)
Download time 3604 microseconds (3729 ms pinned)
Upload bandwidth 1910 MB/sec (3037 MB/sec pinned)
Download bandwidth 1163 MB/sec (1124 MB/sec pinned)

Device Number: 1
Device Name: Quadro FX 370
Device Revision Number: 1.1
Global Memory Size: 267714560
Number of Multiprocessors: 2
Number of Cores: 16
Concurrent Copy and Execution: Yes
Total Constant Memory: 65536
Total Shared Memory per Block: 16384
Registers per Block: 8192
Warp Size: 32
Maximum Threads per Block: 512
Maximum Block Dimensions: 512 x 512 x 64
Maximum Grid Dimensions: 65535 x 65535 x 1
Maximum Memory Pitch: 262144B
Texture Alignment 256B
Clock Rate: 720 MHz
Initialization time: 5153 microseconds
FAILED to create device context
FAILED to destroy device context

[mkcolg]

Hi Sorin Mitran,

Our default is to target cards that support compute capability 1.3. For older cards like these, you will need to compile using "-ta=nvidia,cc10" or "-ta=nvidia,cc11".

Hope this helps,
Mat

[Sorin Mitran]

Thank you for the suggestion. The behavior is the same though. Also,
set COMPUTECAP=10; was specified in sitenvrc file.

[Sorin Mitran]

Updating NVidia driver from version 180 to 190 solved this problem.

[mkcolg]

Hi Sorin,

Thanks for the update.

FYI, I just got the following response from our engineers: