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Thursday, August 20 • 9:15am - 10:00am
Towards multi-threaded TCG - Alex Bennée and Frederic Konrad

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While QEMU has continued to be optimised for KVM to make use of the growing number of cores on modern systems TCG emulation has been stuck running in a single thread. This year there is another push to get a workable solution merged upstream. We shall present a review of the challenges that need to be addressed: locking, TLB and cache maintenance and generic solution for the various atomic/exclusive operations. We will discuss previous work that has been done in this field before presenting a design that addresses these requirements. Finally we shall look at the current proposed patches and the design decisions they have taken.

Speakers
avatar for Alex Bennée

Alex Bennée

Senior Software Engineer, Linaro
Alex is a senior software engineer working in Linaro's Virtualization team. | An experienced FLOSS developer with over 20 years of experience in embedded | and systems programming he currently spends most of his time on QEMU's TCG | based emulation. The first piece of assembly he wrote was for the 6809 in his | Dragon 32 followed by excessive pixel flinging on the 68000 before x86 took | over the world.


Thursday August 20, 2015 9:15am - 10:00am
Grand Ballroom A

Attendees (19)