That's an abomination What next, QEMU in JS ? :P


... to revisit one tidbit tho:

time apt-get update:
...
Fetched 13.9 MB in 49s (281 kB/s)
Reading package lists... Done
Command being timed: "apt-get update"
User time (seconds): 11.10
System time (seconds): 0.50
Percent of CPU this job got: 23%
Elapsed (wall clock) time (h:mm:ss or m:ss): 0:49.54
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 15808
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 30862
Voluntary context switches: 13521
Involuntary context switches: 2412
Swaps: 0
File system inputs: 0
File system outputs: 159096
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0


attila@t410:~$ du -s -c /var/lib/apt /var/lib/dpkg/
83728 /var/lib/apt
68468 /var/lib/dpkg/
152196 total


On mobile, this simply won't do (13.9MB network traffic, 11 sec user time on a dual-core core i5, 160K file IO requests... just to find out if there is something new - on a repository that is almost TWO ORDERS OF MAGNITUDE smaller than what you can expect in mobile).