When you Fix the Problem with generate Proxis

when PhaseOne fix the Problem with the generate from proxis. since Version 5 the same problem. If more than 600 - 700 Pictures in a folder it takes up to 10 minutes that the processing of pictures begins. Same in the new Version of 5.2
Same Problem with Canon RAW and JPG and differend Windows Computers. Dualcore, quadcore and also Workstation with Core I7 - Win 7 64Bit and a lot of RAM. With Version 4 i don´t have this problems.!!!!!