예제 #1
0
    def runTest(self):
        nx, ny, nz, str_f, pt0, pt1, is_array = self.args
        slice_xyz = common.slices_two_points(pt0, pt1)

        # generate random source
        if is_array:
            shape = common.shape_two_points(pt0, pt1)
            value = np.random.rand(*shape).astype(np.float32)
        else:
            value = np.random.ranf()

        # instance
        fields = Fields(0, nx, ny, nz, '', 'single')

        tfunc = lambda tstep: np.sin(0.03 * tstep)
        incident = IncidentDirect(fields, str_f, pt0, pt1, tfunc, value)

        # host allocations
        eh = np.zeros(fields.ns_pitch, dtype=fields.dtype)

        # verify
        eh[slice_xyz] = fields.dtype(value) * fields.dtype(tfunc(1))
        fields.update_e()
        fields.update_h()

        copy_eh_buf = fields.get_buf(str_f)
        copy_eh = np.zeros_like(eh)
        cuda.memcpy_dtoh(copy_eh, copy_eh_buf)

        original = eh[slice_xyz]
        copy = copy_eh[slice_xyz]
        norm = np.linalg.norm(original - copy)
        self.assertEqual(norm, 0, '%s, %g' % (self.args, norm))

        fields.context_pop()
    def runTest(self):
        nx, ny, nz, str_f, pt0, pt1 = self.args

        slidx = common.slices_two_points(pt0, pt1)
        str_fs = common.convert_to_tuple(str_f)

        # instance
        fields = Fields(0, nx, ny, nz, '', 'single')
        getf = GetFields(fields, str_f, pt0, pt1) 
        
        # host allocations
        ehs = common_random.generate_ehs(nx, ny, nz, fields.dtype)
        eh_dict = dict( zip(['ex', 'ey', 'ez', 'hx', 'hy', 'hz'], ehs) )
        fields.set_eh_bufs(*ehs)

        # verify
        getf.wait()

        for str_f in str_fs:
            original = eh_dict[str_f][slidx]
            copy = getf.get_fields(str_f)
            norm = np.linalg.norm(original - copy)
            self.assertEqual(norm, 0, '%s, %g' % (self.args, norm))

        fields.context_pop()
    def runTest(self):
        nx, ny, nz, str_f, pt0, pt1, is_array = self.args
        slice_xyz = common.slices_two_points(pt0, pt1)

        # generate random source
        if is_array:
            shape = common.shape_two_points(pt0, pt1)
            value = np.random.rand(*shape).astype(np.float32)
        else:
            value = np.random.ranf()

        # instance
        fields = Fields(0, nx, ny, nz, '', 'single')

        tfunc = lambda tstep: np.sin(0.03*tstep)
        incident = IncidentDirect(fields, str_f, pt0, pt1, tfunc, value) 

        # host allocations
        eh = np.zeros(fields.ns_pitch, dtype=fields.dtype)

        # verify
        eh[slice_xyz] = fields.dtype(value) * fields.dtype(tfunc(1))
        fields.update_e()
        fields.update_h()

        copy_eh_buf = fields.get_buf(str_f)
        copy_eh = np.zeros_like(eh)
        cuda.memcpy_dtoh(copy_eh, copy_eh_buf)

        original = eh[slice_xyz]
        copy = copy_eh[slice_xyz]
        norm = np.linalg.norm(original - copy)
        self.assertEqual(norm, 0, '%s, %g' % (self.args, norm))

        fields.context_pop()
    def runTest(self):
        nx, ny, nz, str_f, pt0, pt1, is_array = self.args

        slidx = common.slices_two_points(pt0, pt1)
        str_fs = common.convert_to_tuple(str_f)

        # instance
        fields = Fields(0, nx, ny, nz, '', 'single')
        setf = SetFields(fields, str_f, pt0, pt1, is_array) 
        
        # generate random source
        if is_array:
            shape = common.shape_two_points(pt0, pt1, len(str_fs))
            value = np.random.rand(*shape).astype(fields.dtype)
            split_value = np.split(value, len(str_fs))
            split_value_dict = dict( zip(str_fs, split_value) )
        else:
            value = np.random.ranf()

        # host allocations
        ehs = [np.zeros(fields.ns, dtype=fields.dtype) for i in range(6)]
        eh_dict = dict( zip(['ex', 'ey', 'ez', 'hx', 'hy', 'hz'], ehs) )
        gpu_eh = np.zeros(fields.ns_pitch, dtype=fields.dtype)

        # verify
        for str_f in str_fs:
            if is_array:
                eh_dict[str_f][slidx] = split_value_dict[str_f]
            else:
                eh_dict[str_f][slidx] = value

        setf.set_fields(value)

        for str_f in str_fs:
            cuda.memcpy_dtoh(gpu_eh, fields.get_buf(str_f))
            original = eh_dict[str_f]
            copy = gpu_eh[:,:,fields.slice_z]
            norm = np.linalg.norm(original - copy)
            self.assertEqual(norm, 0, '%s, %g' % (self.args, norm))

        fields.context_pop()
예제 #5
0
'''

# main loop
from datetime import datetime
from time import time
t0 = datetime.now()
t00 = time()

for tstep in xrange(1, tmax+1):
    fields.update_e()
    fields.update_h()

    '''
    if tstep % tgap == 0:
        print('[%s] %d/%d (%d %%)\r' % (datetime.now() - t0, tstep, tmax, float(tstep)/tmax*100)),
        sys.stdout.flush()

        getf.get_event().wait()
        imag.set_array( getf.get_fields().T )
        #plt.savefig('./png/%.6d.png' % tstep)
        plt.draw()
    '''

#plt.show()
fields.context.synchronize()
dt = time() - t00
print dt
print('[%s] %d/%d (%d %%) %f Mpoint/s' % (datetime.now() - t0, tstep, tmax, float(tstep)/tmax*100, nx*ny*nz*tmax/dt/1e6) )

fields.context_pop()