【Hackathon 9th No.97】[Feature Enhancement] Add Tvm Backend for test_compiler #245
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lixinqi
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Sep 2, 2025
luotao1
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PR Category
Feature Enhancement
Description
添加tvm后端，使用tvm中relax前端和compile后端来进行处理，（relay前端在新版本中被去掉了）
测试使用tvm版本为0.22.0
tvm使用cuda需要从源码编译安装，参考https://github.com/apache/tvm/blob/main/docs/install/from_source.rst
tvm的性能依赖于pass，按照文档中基础的pass会性能很差，不如torch原生的前向推理，如果使用自动调优的话，性能上会好一些，但是一个简单的模型要花费数小时来进行优化，编译很慢
tvm的dynamo来加载计算图时，大部分大模型的embedding层它无法识别，也没办法使用
（tvm官网的文档是我看过最烂的文档，没有一个示例能正常运行，9.2文档官网还乱码了，点着点着就到0.12版本去了）