Why does Synopsys DC generate some *.mr and *.pvl files?

[brass]

hello guys:
why does the tool generate some *.mr and *.pvl files in the current directory, when i run it to synthesis my design? And how to delete them or put them into one directory?
thank you!

 

[gnomix]

synopsys pvl mr

Try this solution,

Step 1:
create into your home directory the following directory:
mkdir cache
mkdir WORK

Step 2:
Add the following line in your .synopsys_dc.setup:
/*-- Start of cache and working directory definition --*/
cache_write = ~/cache
cache_read = {cache_write}
cache_write_info=true
cache_read_info=true
cache_file_chmod_octal=664
cache_dire_chmod_octal=775
define_design_lib WORK -path ~/WORK
/*-- end of cache and working directory definition --*/

Regards gnomix