优化包含{%regroup%}标记的django模板

我有一个Django模板，其中充满了嵌套的{%regroup%}标记，我觉得这是它如此缓慢的原因之一。而且，像这样维护是非常复杂的。你有什么建议和设计模式可以让它更快、更可持续吗？我愿意接受任何建议，包括将逻辑移到模型或创建模板标记

这里是一段代码，只有结构，让你尝一尝它看起来像什么

{% extends "base.tex" %}

{% block content %}
    {% for courseoutline in courseoutline_list %}
        ...

        {% regroup courseoutline.coursemembership_set_by_teaching_unit by teaching_unit as course_list %} 

        {% for course in course_list %}
            {% regroup course.list|dictsort:"course.title" by course.title as course_sublist %}

            {% for course in course_sublist %}
                    {% with course.list|semester:1 as cc %}
                        ...
                        {% for c in cc %}
                        ...
                        {% endfor %}
                    {% endwith %}

                    {% with course.list|semester:2 as cc %}
                        {% for c in cc %}
                        {% endfor %}
                    {% endwith %}
            {% endfor %}
        {% endfor %}

        {% regroup courseoutline.coursemembership_set_by_semester by semester as semester_list %} 
        {% for semester in semester_list %}

            {% regroup semester.list by teaching_unit as ue_list %} 

            {% for ue in ue_list %}
                {% for course in ue.list|dictsort:"code" %}
                {% endfor %}
            {% endfor %}

        {% endfor %}
    {% endfor %}
{% endblock %}

谢谢