실행 중 PyCuda 오류

Question

이것은 rotation.I에 대한 나의 pycuda 코드이며 최신 cuda 드라이버를 설치했으며 cuda 지원과 함께 nvidia gpu를 사용합니다. 또한 cuda 툴킷과 pycuda 드라이버를 설치했습니다.이 이상한 오류가 발생했습니다.

import pycuda.driver as cuda 
import pycuda.compiler 
import pycuda.autoinit 
import numpy 
from math import pi,cos,sin 

_rotation_kernel_source = """ 
texture<float, 2> tex; 

__global__ void copy_texture_kernel(
    const float resize_val, 
    const float alpha, 
    unsigned short oldiw, unsigned short oldih, 
    unsigned short newiw, unsigned short newih, 
    unsigned char* data) { 

     unsigned int x = blockIdx.x * blockDim.x + threadIdx.x; 
     unsigned int y = blockIdx.y * blockDim.y + threadIdx.y; 

     if((x >= newiw) || (y >= newih)) 
      return; 

     unsigned int didx = y * newiw + x; 

     float xmiddle = (x-newiw/2.)/resize_val; 
     float ymiddle = (y-newih/2.)/resize_val; 
     float sx = (xmiddle*cos(alpha)+ymiddle*sin(alpha) + oldiw/2.) ; 
     float sy = (-xmiddle*sin(alpha)+ymiddle*cos(alpha) + oldih/2.); 

     if((sx < 0) || (sx >= oldiw) || (sy < 0) || (sy >= oldih)) { 
      data[didx] = 255; 
      return; 
     } 

     data[didx] = tex2D(tex, sx, sy); 
    } 
""" 
mod_copy_texture=pycuda.compiler.SourceModule(_rotation_kernel_source) 

copy_texture_func = mod_copy_texture.get_function("copy_texture_kernel") 
texref = mod_copy_texture.get_texref("tex") 

def rotate_image(a, resize = 1.5, angle = 20., interpolation = "linear", blocks = (16,16,1) ): 


    angle = angle/180. *pi 


    a = a.astype("float32") 

    calc_x = lambda (x,y): (x*a.shape[1]/2.*cos(angle)-y*a.shape[0]/2.*sin(angle)) 
    calc_y = lambda (x,y): (x*a.shape[1]/2.*sin(angle)+y*a.shape[0]/2.*cos(angle)) 

    xs = [ calc_x(p) for p in [ (-1.,-1.),(1.,-1.),(1.,1.),(-1.,1.) ] ] 
    ys = [ calc_y(p) for p in [ (-1.,-1.),(1.,-1.),(1.,1.),(-1.,1.) ] ] 

    new_image_dim = (
     int(numpy.ceil(max(ys)-min(ys))*resize), 
     int(numpy.ceil(max(xs)-min(xs))*resize), 
    ) 


    cuda.matrix_to_texref(a, texref, order="C") 


    if interpolation == "linear": 
     texref.set_filter_mode(cuda.filter_mode.LINEAR) 


    gridx = new_image_dim[0]/blocks[0] if \ 
      new_image_dim[0]%blocks[0]==1 else new_image_dim[0]/blocks[0] +1 
    gridy = new_image_dim[1]/blocks[1] if \ 
      new_image_dim[1]%blocks[1]==0 else new_image_dim[1]/blocks[1] +1 

    output = numpy.zeros(new_image_dim,dtype="uint8") 

    copy_texture_func(
     numpy.float32(resize), numpy.float32(angle), 
     numpy.uint16(a.shape[1]), numpy.uint16(a.shape[0]), 
     numpy.uint16(new_image_dim[1]), numpy.uint16(new_image_dim[0]), 
      cuda.Out(output),texrefs=[texref],block=blocks,grid=(gridx,gridy)) 

    return output 

if __name__ == '__main__': 
    import Image 
    import sys 

    def main(): 
     if len(sys.argv) != 2: 
      print "You should really read the source...\n\nUsage: rotate.py <Imagename>\n" 
      sys.exit(-1) 

     img = Image.open(sys.argv[1]).convert("L") 
     i = numpy.fromstring(img.tostring(),dtype="uint8").reshape(img.size[1],img.size[0]) 

     irot = rotate_image(i) 
     rotimg = Image.fromarray(irot,mode="L") 

     rotimg.save("rotated.png") 
     rotimg.show() 

    main() 

이것은 내 오류입니다.

ImportError: libboost_python-gcc43-mt-1_39.so.1.39.0: cannot open 
    shared object file: No such file or directory 

제발 도와주세요.

Answer 1

여기에 문의하기 전에 오류를 Google에 보내셨습니까? 어쨌든이 BoostInstallationHowto#LD_LIBRARY_PATH을 시도하십시오. 물어보기 전에 먼저 Google에 알려주십시오. 도움을 받으실 수 있습니다.