Thread: Kindle Paperwhite Microprocessor
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Old 11-08-2012, 08:46 PM   #2
twobob
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test that puppy
Rather than scrabbling around for answers or ripping the case apart, this should be proof enough if the processor is identical (which it is I think BTW)

assuming you have ssh access... (or someone with a non nerfed PW)

we could do a rough side by side (meh, I could build a better tool but meh) https://www.mobileread.com/forums/sho...d.php?t=188491

Let's run a benchmark (the what script is my own making)

K3:
Quote:
[root@kindle root]# what
Kindle 3!
[root@kindle us]# ./benchmark.sh
Spoiler:

MD5 : 9639 Kb/s, 0 cycles/byte
Spoiler:
SHA-1 : 5841 Kb/s, 0 cycles/byte
SHA-256 : 2808 Kb/s, 0 cycles/byte
SHA-512 : 1488 Kb/s, 0 cycles/byte
ARC4 : 4279 Kb/s, 0 cycles/byte
3DES : 466 Kb/s, 2 cycles/byte
DES : 1085 Kb/s, 1 cycles/byte
AES-128 : 1832 Kb/s, 0 cycles/byte
AES-192 : 1650 Kb/s, 0 cycles/byte
AES-256 : 1504 Kb/s, 0 cycles/byte
CAMELLIA-128 : 1281 Kb/s, 0 cycles/byte
CAMELLIA-192 : 1000 Kb/s, 0 cycles/byte
CAMELLIA-256 : 1004 Kb/s, 0 cycles/byte
HAVEGE : 62 Kb/s, 16 cycles/byte
CTR_DRBG (NOPR) : 1607 Kb/s, 0 cycles/byte
CTR_DRBG (PR) : 1149 Kb/s, 0 cycles/byte
RSA-1024 : 604 public/s
RSA-1024 : 30 private/s
RSA-2048 : 188 public/s
RSA-2048 : 6 private/s
RSA-4096 : 53 public/s
RSA-4096 : 1 private/s
K5:
Quote:
[root@kindle root]# what
Kindle 5!
[root@kindle root]#benchmark.sh

MD5 : 22199 Kb/s, 0 cycles/byte
Spoiler:
SHA-1 : 14985 Kb/s, 0 cycles/byte
SHA-256 : 8350 Kb/s, 0 cycles/byte
SHA-512 : 3163 Kb/s, 0 cycles/byte
ARC4 : 8542 Kb/s, 0 cycles/byte
3DES : 1091 Kb/s, 0 cycles/byte
DES : 2654 Kb/s, 0 cycles/byte
AES-128 : 4393 Kb/s, 0 cycles/byte
AES-192 : 3924 Kb/s, 0 cycles/byte
AES-256 : 3511 Kb/s, 0 cycles/byte
CAMELLIA-128 : 2595 Kb/s, 0 cycles/byte
CAMELLIA-192 : 2336 Kb/s, 0 cycles/byte
CAMELLIA-256 : 2061 Kb/s, 0 cycles/byte
HAVEGE : 134 Kb/s, 7 cycles/byte
CTR_DRBG (NOPR) : 3814 Kb/s, 0 cycles/byte
CTR_DRBG (PR) : 2729 Kb/s, 0 cycles/byte
RSA-1024 : 1145 public/s
RSA-1024 : 58 private/s
RSA-2048 : 336 public/s
RSA-2048 : 10 private/s
RSA-4096 : 96 public/s
RSA-4096 : 2 private/s
PW: ?
feel free to check it out


HTH


This was also a handy test of the lib loader script Works fine on a 3/4/5/PW too. great.
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