Fast Repo sync

sync.log

$ repo init -u git://github.com/CyanogenMod/android.git -b cm-14.1

$ time repo sync

Checking out files: 100% (11758/11758), done. files:  36% (4277/11758)
Checking out files: 100% (11670/11670), done.t files:  10% (1201/11670)
Checking out files: 100% (8423/8423), done.out files:  33% (2848/8423)
Checking out files: 100% (1411/1411), done.out files:   6% (87/1411)
Checking out files: 100% (19766/19766), done.ut files:  35% (6940/19766)
Checking out files: 100% (4953/4953), done. out files:  46% (2324/4953)
Checking out files: 100% (32752/32752), done.ut files:  24% (8035/32752)
Checking out files: 100% (154/154), done.
Checking out files: 100% (129/129), done.ng out files:  35% (46/129)
Checking out files: 100% (550/550), done.
Checking out files: 100% (622/622), done.
Checking out files: 100% (21326/21326), done.ut files:  23% (4993/21326)
Checking out files: 100% (128/128), done.ng out files:  19% (25/128)
Checking out files: 100% (3204/3204), done. out files:  25% (828/3204)
Checking out files: 100% (4202/4202), done.
Checking out files: 100% (5474/5474), done. out files:  17% (950/5474)
Checking out files: 100% (5476/5476), done.
Checking out files: 100% (22046/22046), done.
Checking out files: 100% (5767/5767), done.
Checking out files: 100% (44431/44431), done.ut files:  15% (6696/44431)   
Checking out files: 100% (63/63), done.
Checking out files: 100% (1756/1756), done. out files:   1% (23/1756)   
Checking out files: 100% (8053/8053), done.
Checking out files: 100% (15774/15774), done.ut files:  30% (4758/15774)   
Checking out files: 100% (19/19), done.king out files:  31% (6/19)   
Syncing work tree: 100% (582/582), done.  

repo sync  1769.61s user 344.42s system 303% cpu 11:37.47 total