"Building a Compiler for Quantum Computers" - Matthew Treinish (LCA 2020)

Matthew Treinish

https://lca2020.linux.org.au/schedule/presentation/49/

Just as with classical computers we need tools to convert the programs we write into something that can actually be run on computers. For classical computers this normally involves converting a higher level language into machine code, but with quantum computing the programs are written at a much lower level, the equivalent of assembly code. However, because of limitations with the current quantum computers available today even programs written at this low a level have to be adapted and optimized for each specific backend to be able to run successfully. Making this compilation processes effective and efficient directly impacts how a program will perform, and whether you're able to get a meaningful result or not.

This talk will explain what is involved in compiling software to run on a quantum computer and why it is necessary. It will cover how it works, different optimization techniques that are available, and how it can effect the results from running your program. It will also cover how you can customize the compiler optimizations used to try and better optimize your program to get better results, and how a bad compiler output can result in getting a noisy result, or even lead to you getting no meaningful result at all.

linux.conf.au is a conference about the Linux operating system, and all aspects of the thriving ecosystem of Free and Open Source Software that has grown up around it. Run since 1999, in a different Australian or New Zealand city each year, by a team of local volunteers, LCA invites more than 500 people to learn from the people who shape the future of Open Source. For more information on the conference see https://linux.conf.au/

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Fri Jan 17 11:40:00 2020 at Room 8

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