FrozenGene edited a comment on issue #4532: [RUNTIME] Support standardize runtime module URL: https://github.com/apache/incubator-tvm/pull/4532#issuecomment-569876738 > @FrozenGene Is this change backward compatible? Can new TVM runtime load compiled Cuda models compiled before this change? Yes. Backward compatible. For example, you compile one compiled cuda model before this change and export to `deploy_old.so`, you could load `deploy_old.so` in the new runtime (merged this change). However, if you compile one model using new runtime (merged this change) and export to `deploy_new.so`, which can not be loaded into old runtime (before this change). Because we will write `_lib` for LLVM mod / write `_import_tree` for constructing model import relationship. Your refer issue is to use new runtime to export library, but loaded into old runtime (DLR), so you can not find `_lib` loader and `_import_tree`.
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