| def cache_init(num_steps): | |
| ''' | |
| Initialization for cache. | |
| ''' | |
| cache_dic = {} | |
| cache = {} | |
| cache['k'] = None | |
| cache['prev_x'] = None | |
| cache['prev_v'] = None | |
| cache['prev_prev_x'] = None | |
| cache['error'] = None | |
| cache['feature'] = None | |
| cache['easy'] = None | |
| cache_dic['thresh'] = 1.0 | |
| cache_dic['dir_weight'] = 0.5 | |
| cache_dic['cache_counter'] = 0 | |
| cache_dic['cache'] = cache | |
| cache_dic['taylor_cache'] = True | |
| mode = 'fast' #['fast', 'mid', 'detailed'] | |
| if mode == 'fast': | |
| cache_dic['max_order'] = 2 | |
| cache_dic['first_enhance'] = 1 | |
| elif mode == 'mid': | |
| cache_dic['max_order'] = 2 | |
| cache_dic['first_enhance'] = 3 | |
| elif mode == 'detailed': | |
| cache_dic['max_order'] = 2 | |
| cache_dic['first_enhance'] = 3 | |
| cache_dic['taylor_cache'] = True | |
| current = {} | |
| current['type'] = None | |
| current['activated_steps'] = [] | |
| current['step'] = 0 | |
| current['num_steps'] = num_steps | |
| current['use_f3c'] = True | |
| current['is_f3c_active'] = False | |
| current['num_to_skip'] = 0 | |
| current['cache_indices'] = None | |
| current['fast_update_indices'] = None | |
| return cache_dic, current | |