dict would be very slow for big data

hi i am trying to insert a lot of data into a dict, which may be 10,000,000 level. after inserting 10 unit, the insert rate become very slow, 50,000/ s, and the entire time used for this task would be very long,also. would anyone know some solution for this case? thanks -- http://mail.python.

dict is really slow for big truck

i try to load a big file into a dict, which is about 9,000,000 lines, something like 1 2 3 4 2 2 3 4 3 4 5 6 code for line in open(file) arr=line.strip().split('\t') dict[arr[0]]=arr but, the dict is really slow as i load more data into the memory, by the way the mac i use have 16G memory.