dw

// create 1 million files, final directory size ~4.1gb:
// for i in {1..1024} ; do mkdir -p junk/$i ; for j in {1..1024} ; do cp /etc/hostname junk/$i/$j ; done; done
/*
[20:23:18 k2!58 ~] gcc -O2 -oa a.c
[20:23:19 k2!59 ~] time ./a

real    0m13.000s
*/

#include <sys/types.h>

dw

[00:34:19 eldil!1 ~] cat bin/ts
#!/bin/bash

while read; do
    echo `date +%Y-%m-%d+T%H:%M:%S` "$REPLY"
done

dw

#
# with 2047 of 2048 reader slots allocated
#

$ python -mtimeit -s 'import lmdb; e = lmdb.open("/tmp/test")'  'e.begin().abort()'
100000 loops, best of 3: 10.1 usec per loop

$ git stash &>/dev/null ; python setup.py build &> /dev/null
$ python -mtimeit -s 'import lmdb; e = lmdb.open("/tmp/test")'  'e.begin().abort()'
1000000 loops, best of 3: 0.47 usec per loop

dw

Obtaining RK3066 boot ROM.

Here are my steps.

At first, I took a look to RK30xxLoader(L)_V1.18.bin. This file appears in update.img for my device. So, I unpacked update.img using rk29Kitchen.

strings on that file returns nothing interesting, so I assumed the file is crypted