my graphic card is
Device 0: “GeForce GTX 560 Ti”
CUDA Driver Version: 5.0
CUDA Capability Major/Minor version number: 2.1
Total amount of global memory: 2048 MBytes (2147024896 bytes)
( 8) Multiprocessors x ( 48) CUDA Cores/MP: 384 CUDA Cores
GPU Clock rate: 1645 MHz (1.64 GHz)
Memory Clock rate: 2004 Mhz
Memory Bus Width: 256-bit
L2 Cache Size: 524288 bytes
Max Texture Dimension Sizes 1D=(65536) 2D=(65536,65535) 3D=(2048,2048,2048)
Max Layered Texture Size (dim) x layers 1D=(16384) x 2048, 2D=(16384,16384) x 2048
Total amount of constant memory: 65536 bytes
Total amount of shared memory per block: 49152 bytes
Total number of registers available per block: 32768
Warp size: 32
Maximum number of threads per multiprocessor: 1536
Maximum number of threads per block: 1024
Maximum sizes of each dimension of a block: 1024 x 1024 x 64
Maximum sizes of each dimension of a grid: 65535 x 65535 x 65535
Texture alignment: 512 bytes
Maximum memory pitch: 2147483647 bytes
Concurrent copy and kernel execution: Yes with 1 copy engine(s)
Run time limit on kernels: Yes
Integrated GPU sharing Host Memory: No
Support host page-locked memory mapping: Yes
Concurrent kernel execution: Yes
Alignment requirement for Surfaces: Yes
Device has ECC support: Disabled
Device supports Unified Addressing (UVA): Yes
Device PCI Bus ID / PCI location ID: 1 / 0
and i want set block dimension like that dim3 dimBlock(1024, 1, 1) but it gives me a error “Error too many resources requested for launch at line 431 in file main.cpp”
but if i set dimension like that dim3 dimBlock(512, 2, 1) it does not give any error. i am confused please help me…