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Supporting A Clang Compiler Optimizer Crash

ARTICLE BY: Dan Parry
POSTED: Jul 05, 2019
TAGS: Clang, Developer Services, Toolchain

Split between Bristol (UK) and Campbell (USA), the SN Systems Developer Service Team support PlayStation® game developers globally. Due to the variety of tools SN Systems develop and support, the work of a Developer Support Engineer varies day to day. The work ranges from high level investigations into simple cosmetic UI issues, to low level investigations of the instructions generated by the CPU Toolchain and checking it for errors or performance issues.

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Error Handling in Libraries: A Case Study

ARTICLE BY: James Henderson
POSTED: Dec 13, 2018
TAGS: DWARF, LLVM, LLVM Developers Meeting, Toolchain

Using work performed on the DWARF debug line parser earlier this year as an example, this talk will show some of the pitfalls and problems a library developer has to be aware of when handling errors in their code, and will present some good rules of thumb that should be followed.

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Understanding the performance of code using LLVM's (llvm-mca)

ARTICLE BY: Andrea DiBiagio
POSTED: Dec 13, 2018
TAGS: Compiler, LLVM, LLVM Developers Meeting, Toolchain

LLVM-mca is a LLVM based tool that uses information available in LLVM’s scheduling models to statically measure the performance of machine code in a specific CPU. The goal of this tool is not just to predict the performance of the code when run on the target, but also to help with diagnosing potential performance issues. In this talk we, will discuss how llvm-mca works and walk the audience through example uses of this tool.

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