Date: Sun, 29 Mar 2015 16:36:37 +0800 From: Lei Zhang <zhanglei.april@...il.com> To: john-dev@...ts.openwall.com Subject: Re: [GSoC] JtR SIMD support enhancements > On Mar 29, 2015, at 5:38 AM, Solar Designer <solar@...nwall.com> wrote: > > For AVX2, do you have where to test, or do you need access to our AVX2 > machine? Actually, you can always test with Intel's SDE, but it may be > easier to test on the real thing - and you'd need that for benchmarks. Yes, I do need access to your AVX2 machine. My public key is in the attachment. As for SDE, it might be a good alternative if network connection to your server is too lagging (thanks to China's GFW). I'll give it a try. > Another potential sub-task for MIC is to add OpenMP offload support. > Right now, we're only building for MIC fully natively. This runs fast, > but in typical installs it means that JtR's input and output files > reside in the MIC card's RAM, and will be lost if the card is rebooted. > (This may be corrected by mounting a host directory via NFS.) Also, to > use multiple MIC cards, multiple instances of JtR need to be managed > manually (or with scripts), whereas with OpenMP offload this might be > transparent to the user. I also thought of this before. I think the hard part is to identify which code to be offloaded. Anyway, I'll see what I can do. Thanks, Lei
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