Date: Fri, 17 Aug 2012 00:01:16 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: Re: OpenCL implementation of GPG format 2012/8/14 Dhiru Kholia <dhiru.kholia@...il.com>: > Hi, > > I have written an OpenCL implementation of GPG format. Currently, the > speedup is very low (9x). The compiler complains about register > spilling. According to http://dl.acm.org/citation.cfm?id=2039822 > speedups upto 100x can be achieved. I haven't read this document, did they specified what cpu-threads/gpu they used to measure 100x speedup? You can take celeron 300mhz and compare it to 8 gpus and then claim 1000x speedup. Lukas
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