PGI User Forum

[SWL_EGGBABY]

Hi Mat,

The running results:

invalid device function

no error

Results:
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15
-1.1893121E+30 NaN -4.8118640E-35 -1.7518910E-15

what is the invalid device function,I do not understand,please help me,thank you!

[mkcolg]

Hi SWL_EGGBABY,

Try using the Telsa card instead of the FX5800. i.e. add "istat = cudaSetDevice(1)" to your main program. Also, you'll need to declare "istat" and add "use cudafor".

Hope this helps,
Mat

[SWL_EGGBABY]

Hi Mat,

I can't use both of my tow cards,They are both display invalid device function.

I use the samples sgemm.cuf test them:

\nDevice:Quadro FX 5800, 1296.0 MHz clock, 4095.7 MB memory.\n
invalid device function
65536 errors were encountered
256x256 * 256x256:\t 0.007 ms\t4644.484 GFlops/s
请按任意键继续. . .

\nDevice:Tesla C1060, 1296.0 MHz clock, 4095.8 MB memory.\n
invalid device function
38560 errors were encountered
256x256 * 256x256:\t 0.008 ms\t4309.860 GFlops/s
请按任意键继续. . .

Oh my tow bad cards!

[mkcolg]

Hi SWL_EGGBABY,

[SWL_EGGBABY]

Hi Mat,

Thank you.
It'is a driver problem,I download and installed the new driver,everything is fine now.
Thank you again for help me so much.