Learning Performance-Improving Code Edits - Shypula, Alexander; Madaan, Aman; Zeng, Yimeng; Alon, Uri; Gardner, Jacob; Yang, Yiming; Hashemi, Milad; Neubig, Graham; Ranganathan, Parthasarathy; Bastani, Osbert; Yazdanbakhsh, Amir (International Conference on Learning Representations, 2024)