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XenSummit has been a tremendous success this year. Thank you to all the speakers for contributing and to all the attendees for making XenSummit an interactive and fun conference with lots of discussions. You can find presentations on slideshare and videos on vimeo. We will also embedded both in the agenda. The slides are also available for download as zip file.

Evaluation of X32 ABI for Virtualization and Cloud

As the Linux 3.4 has x32 ABI support, we think it's the right time for us to evaluate x32 ABI for virtualization and the cloud. The x32 ABI provides a model in x86-64 psABI with 32-bit address space, with 16 64-bit integer registers (8 additional integer registers), 8 additional SSE registers, etc., compared to the conventional x86 32-bit ABI. We look at performance improvements and memory saving gained by x32 applications, and discuss how x32 can be helpful for Xen and the clouds.


Jun Nakajima, Principal Engineer, Intel

Jun Nakajima is a Principal Engineer leading open source virtualization projects, such as Xen and KVM at the Intel Open Source Technology Center. He is recognized as one of the key contributors to Xen, and he presented a number of times at technical conferences, including Xen Summit, OLS, KVM Forum, and USENIX. He has over 20 years of experience with operating system internals and an extensive background in processor architectures. Prior to joining Intel, he worked on various projects in the industry such as AT&T/USL Unix System V Releases (SVR) like the SVR4.2, and Chorus microkernel based fault-tolerant distributed SVR4.



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