try garbage collection.
gc()
※ 引述《mercurial (多變)》之銘言：
: ※ 引述《anguso (愛寶)》之銘言：
: : Time is money....
: : Good luck!~ (we all need that.)
: It is strange that I can't run with this size again. ><"
: So I change to divide the training data.
: Now I can only afford 208 training data * 104000 testing data.
: Just for calculating the distance.