Just a question for the smart kids since I don't know.
When loading up the board index of my test site, I noted the hook count was 157 hooks called ... I was like holy crap, seems like a lot. Looking at the list (below) many are repeat calls for the same page load. I don't know if that's needed or if there is a way to only call the hook once per page load, or if its simply a don't care (and maybe in debug we do some array_unique thingy to only show them once)
integrate_load_average, integrate_pre_include, integrate_pre_load, integrate_verify_user, integrate_avatar, integrate_user_info, integrate_simple_actions, integrate_init_theme, integrate_theme_include, integrate_load_theme, integrate_pre_log_stats, integrate_action_frontpage, integrate_action_boardindex_before, pre_cache_quick_get, pre_cache_quick_get, post_cache_quick_get, post_cache_quick_get, integrate_board_autolink_parser, integrate_additional_bbc, integrate_autolink_load, integrate_board_html_parser, integrate_html_parser_load, integrate_board_bbc_parser, integrate_item_codes, bbc_codes_parsing, integrate_item_codes, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, integrate_board_autolink_parser, integrate_board_html_parser, integrate_board_bbc_parser, integrate_board_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_avatar, pre_cache_quick_get, integrate_message_autolink_parser, integrate_message_html_parser, integrate_message_bbc_parser, integrate_message_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_message_autolink_parser, integrate_message_html_parser, integrate_message_bbc_parser, integrate_message_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_message_autolink_parser, integrate_message_html_parser, integrate_message_bbc_parser, integrate_message_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_message_autolink_parser, integrate_message_html_parser, integrate_message_bbc_parser, integrate_message_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_message_autolink_parser, integrate_message_html_parser, integrate_message_bbc_parser, integrate_message_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, post_cache_quick_get, integrate_mark_read_button, integrate_action_boardindex_after, integrate_notifications_methods, integrate_buffer, integrate_security_files, integrate_news_autolink_parser, integrate_news_html_parser, integrate_news_bbc_parser, integrate_news_smiley_parser, integrate_pre_bbc_parser, integrate_possible_autolink, integrate_post_bbc_parser, integrate_menu_buttons, pre_css_output, pre_javascript_output, integrate_basic_url_replacement, pre_javascript_output