zhiics edited a comment on issue #5310: [BYOC] Enhance partitioning and external codegen URL: https://github.com/apache/incubator-tvm/pull/5310#issuecomment-612547407 @masahi Yeah, I only have some hypothetic explanations which motivated me to make this change. I think the reason why heap was slow was because we generated a huge amount of stmts for array initialization. It makes the code size so huge even though many of them are simple. But each optimization on it would be still very slow (particularly they are pointers). However, after we move the array to the data segment, we can remove these stmts but only have one pointer. Therefore, the compilation should be much faster. In the latter case, linking and data loading would take more time, but it is still insignificant compared to compilation. Does this make sense? Update: yeah, I didn't see your updated paragraph, but it is right.
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