CUDA SDK中例子reduction运行问题:在NVS140上运行正常,在quadro2000上运行错误
CUDA SDK中例子reduction运行问题:在NVS140上运行正常,在quadro2000上运行错误:
下面是在quadro2000上运行的情况:
Whichkernel = 0,正常
Whichkernel = 1,正常
Whichkernel = 2,正常
Whichkernel = 3,正常
Whichkernel = 4,运行结果错误,gpu结果是796616,cpu结果是133602544
Whichkernel = 5,运行结果错误,gpu结果是796616,cpu结果是133602544
Whichkernel = 6,无法运行,提示:CudaSafeCallNoSync() Runtime API error in file,line315:unspecified launch failure
始终为搞清楚原因,两台机器除了GPU不同外,一个win7系统,一个xp系统,其他驱动,sdk,toolkit一致