Whitepixel v2

Post by **Sabre** » Thu Dec 23, 2010 2:34 pm

Whitepixel v2: configurable charset, higher performance (33.1 billion password/sec!)
Barely after I released whitepixel v1 last week, version 2 is already available. It delivers basic configurable charsets, plus a solid +15% performance increase, reaching 33.1 billion password/sec on 4 x HD 5970 graphics cards (see detailed hardware description)! These single MD5 hash brute forcing speeds are simply unheard of to this day, on one computer. Browse the whitepixel project page to get your hands on this open source (GPLv3) GPU-accelerated password hash auditing tool.

(On a side note, after seeing whitepixel demonstrate that high ALU utilization ratios for MD5 on AMD GPUs were possible, Ivan Golubev, the developer of ighashgpu, reworked his tool to increase his ALU utilization. He released ighashgpu 0.91.17.1 which raised his single MD5 cracking speed by 12%. This is one of the reasons why I like open source: anyone can learn from anyone else's source code and the knowledge of one developer can then spread out and indirectly benefits a much larger user base. Even I, a user of ighashgpu, benefit from it )

Very interesting to see how they are achieving these rates!