pca.py 文件源码

def get_irlb_mem_gb_from_matrix_dim(nonzero_entries):
    irlba_mem_gb = round(np.ceil(1.0 * nonzero_entries / cr_constants.NUM_IRLB_MATRIX_ENTRIES_PER_MEM_GB)) + cr_constants.IRLB_BASE_MEM_GB
    return cr_constants.MATRIX_MEM_GB_MULTIPLIER * max(cr_constants.MIN_MEM_GB, irlba_mem_gb)