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DIVA is a new command line tool that processes DWARF debug information contained within ELF files and prints the semantics of that debug information. The DIVA output is designed with an aim to be understandable by software programmers without any low-level compiler or DWARF knowledge
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Users of the PlayStation(R)4 toolchain have a number of expectations from their development tools: good runtime performance is vitally important, as is the ability to debug fully optimized code. The team at Sony Interactive Entertainment have been working on delivering a Profile Guided Optimization solution to our users to allow them to maximize their runtime performance.
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Paul presents a proof of concept of an approach which improves compile and link times by replacing the conventional use of object files with an incrementally updated repository without requiring change to existing build infrastructure. It aims to present the idea at a high-level using a live demo of some trivial tools and initiate discussion of a real implementation within the LLVM framework.
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