For the following IR test case, Loop vectorizer blocks vectorization of this loop due to high cost of scalar sdiv operation. Manually enabling vectorization using #pragma improves performance ...

1 Merchant Marine College, Shanghai Maritime University, Shanghai, China 2 College of Engineering Science and Technology, Shanghai Ocean University, Shanghai, China Due to the complex and ...

C programming is a general-purpose, processor-oriented, and powerful language, widely used in various daily life applications. As a prerequisite for many core courses in computer science and ...

While investigating a performance issue in SPEC CPU2006 481.wrf (WRF version 2.0.2) on Zen4, we discovered that loop vectorization in the SINT subroutine (loops sint.f90:95-212) is slower than the ...

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This appendix shows how to use a Changer to perform loop peeling. This example shows how to manipulate code at the AST level. Loop peeling is a transformation that moves the first iteration of a loop ...

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Researchers from the CISPA Helmholtz Center for Information Security in Germany have disclosed the details of a new denial-of-service (DoS) attack vector that impacts several widely used UDP-based ...