Program sfgpufd3d | GPU-based finite difference on 3-D grid
[SYNOPSIS]
sfgpufd3d < Fv.rsf > Fw.rsf verb=n nt= kt= dt= fm=20 ns=1 szbeg= sxbeg= sybeg= jsz= jsx= jsy=
[PARAMETERS]
float   | dt | = |   | 	time sampling interval 
float   | fm | =20 |   | 	dominant frequency of Ricker wavelet 
int     | jsx | = |   | 	source jump interval in x-axis 
int     | jsy | = |   | 	source jump interval in y-axis 
int     | jsz | = |   | 	source jump interval in z-axis 
int     | kt | = |   | 	record wavefield at time kt 
int     | ns | =1 |   | 	number of sources 
int     | nt | = |   | 	total number of time steps 
int     | sxbeg | = |   | 	source beginning of x-axis 
int     | sybeg | = |   | 	source beginning of y-axis 
int     | szbeg | = |   | 	source beginning of z-axis 
bool    | verb | =n |  [y/n] | 	verbosit2 
[DIRECTORY]
user/pyang
