Raspberry Pi
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Raspberry Pi
I guess most of you have heard about the Raspberry Pi but some of you may not here's the link http://www.raspberrypi.org/
The websites are getting hammered at the moment so I haven't been able to order one. Good news is it looks like they can supply demand in a month or two.
if you don't know much about it search on YouTube as there are some good videos about it.
The websites are getting hammered at the moment so I haven't been able to order one. Good news is it looks like they can supply demand in a month or two.
if you don't know much about it search on YouTube as there are some good videos about it.
Re: Raspberry Pi
It looks amazing! Thanks for sharing David.
I can't wait to get my hands on one of these.
Especially now: (Arch Linux ARM available)
Ah, it's the small pleasures in life. . . ;D
I can't wait to get my hands on one of these.
Especially now: (Arch Linux ARM available)
Ah, it's the small pleasures in life. . . ;D
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Re: Raspberry Pi
I have ordered mine and should be getting it about mid April. Will be a welcome upgrade to my NSLU2. In fact I can see myself with a few of these. Seems like there is a great community being built up around these things
:).

Re: Raspberry Pi
Linux σε πάμφθηνα arm!
http://www.pcworld.com/businesscenter/a ... _last.html
http://www.alliedelec.com/RaspberryPi/
http://www.pcworld.com/businesscenter/a ... linux.html
*την είδηση την βρήκα στο blog του ακούραστου Barry Kauler, "πατέρα" του Puppylinux
http://bkhome.org/blog/?viewDetailed=02796
kalo kouragio
.
http://www.pcworld.com/businesscenter/a ... _last.html
http://www.alliedelec.com/RaspberryPi/
http://www.pcworld.com/businesscenter/a ... linux.html
*την είδηση την βρήκα στο blog του ακούραστου Barry Kauler, "πατέρα" του Puppylinux
http://bkhome.org/blog/?viewDetailed=02796
kalo kouragio
.
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Re: Raspberry Pi
Well it didn't make it in mid April like they said but it's here now. Just set up ssh and that's all I have done so far........many hours will be spent tinkering! ;D
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Re: Raspberry Pi
There was a lot of interest in my Raspberry Pi at the last meeting so I thought I would post a few more details here. It runs on a generic micro-usb charger like the one you get for smartphones. The website says it should be capable of pushing 700mA which is pretty standard.
I have taken a few snaps with my camera phone, the quality isn't great but you can see them here http://www.flickr.com/photos/davidfretw ... 093592078/
I am using it as a headless server running Debian 6, no desktop environment starts by default but included in the image is LXDE so you can just SSH in and startx in the terminal and connect via VNC which is what I do from time to time.
It's a little bit exposed at the moment so I am getting a case for it. I saw these on ebay http://www.ebay.co.uk/itm/251072149023? ... 500wt_1413 and it should be turning up either this week or next.
Somebody was interested in me benchmarking the performance of the thing. I didn't know what benchmarks to run so I ran HardInfo System Information and Benchmark Tool. It generated a report in HMTL which I have uploaded to Dropbox http://dl.dropbox.com/u/1120060/My%20Ra ... eport.html , as you can see the performance isn't great but for the price you can't really complain. It should certainly have enough power for what I want to do and its capable of very good video playback (not something I will use it for) I have seen Youtube videos of it playing 1080p H.264 video due to it's H.264 hardware decoder.
I should have brought it along to the LUG but it didn't occur to me. Next time I go I will try to remember and hopefully it will be in a clear acrylic case and better protected from the elements.
If you have any questions just let me know.
I have taken a few snaps with my camera phone, the quality isn't great but you can see them here http://www.flickr.com/photos/davidfretw ... 093592078/
I am using it as a headless server running Debian 6, no desktop environment starts by default but included in the image is LXDE so you can just SSH in and startx in the terminal and connect via VNC which is what I do from time to time.
It's a little bit exposed at the moment so I am getting a case for it. I saw these on ebay http://www.ebay.co.uk/itm/251072149023? ... 500wt_1413 and it should be turning up either this week or next.
Somebody was interested in me benchmarking the performance of the thing. I didn't know what benchmarks to run so I ran HardInfo System Information and Benchmark Tool. It generated a report in HMTL which I have uploaded to Dropbox http://dl.dropbox.com/u/1120060/My%20Ra ... eport.html , as you can see the performance isn't great but for the price you can't really complain. It should certainly have enough power for what I want to do and its capable of very good video playback (not something I will use it for) I have seen Youtube videos of it playing 1080p H.264 video due to it's H.264 hardware decoder.
I should have brought it along to the LUG but it didn't occur to me. Next time I go I will try to remember and hopefully it will be in a clear acrylic case and better protected from the elements.
If you have any questions just let me know.
Τελευταία επεξεργασία από το μέλος davefretty την 10 Ιουν 2012, 14:38, έχει επεξεργασθεί 1 φορά συνολικά.
Re: Raspberry Pi
Nice! Thanks a lot David.
- Fuzz
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Re: Raspberry Pi
David, μαζί είχαμε μιλήσει για το benchmark στο R.pi, αν μπορείς τρέξε την εντολή
'openssl speed aes-128-cbc' και πόσταρε εδώ τα αποτελέσματα.
'openssl speed aes-128-cbc' και πόσταρε εδώ τα αποτελέσματα.
Boo!
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Re: Raspberry Pi
Here we go.
davefretty@raspberrypi:~$ openssl speed aes-128-cbc
Doing aes-128 cbc for 3s on 16 size blocks: 1111332 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 64 size blocks: 305560 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 256 size blocks: 78423 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 1024 size blocks: 19752 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 8192 size blocks: 2470 aes-128 cbc's in 3.00s
OpenSSL 0.9.8o 01 Jun 2010
built on: Wed Apr 25 04:43:32 UTC 2012
options:bn(64,32) md2(int) rc4(ptr,int) des(idx,risc1,4,long) aes(partial) blowfish(idx)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -O2 -Wa,--noexecstack -g -Wall
available timing options: TIMES TIMEB HZ=100 [sysconf value]
timing function used: times
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 5946.93k 6518.61k 6692.10k 6764.56k 6744.75k
davefretty@raspberrypi:~$
davefretty@raspberrypi:~$ openssl speed aes-128-cbc
Doing aes-128 cbc for 3s on 16 size blocks: 1111332 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 64 size blocks: 305560 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 256 size blocks: 78423 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 1024 size blocks: 19752 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 8192 size blocks: 2470 aes-128 cbc's in 3.00s
OpenSSL 0.9.8o 01 Jun 2010
built on: Wed Apr 25 04:43:32 UTC 2012
options:bn(64,32) md2(int) rc4(ptr,int) des(idx,risc1,4,long) aes(partial) blowfish(idx)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -O2 -Wa,--noexecstack -g -Wall
available timing options: TIMES TIMEB HZ=100 [sysconf value]
timing function used: times
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 5946.93k 6518.61k 6692.10k 6764.56k 6744.75k
davefretty@raspberrypi:~$
- Fuzz
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Re: Raspberry Pi
Thx David.
Για να έχουμε ένα μέτρο σύγκρησης παραθέτω εδώ τα αποτελέσματα απο έναν παλιό Pentium 2 @ 266Mhz:
και από ένα όχι και τόσο παλίο αλλά όχι και πολύ γρήγορο Celeron E3300 @ 2.5Ghz:
Για να έχουμε ένα μέτρο σύγκρησης παραθέτω εδώ τα αποτελέσματα απο έναν παλιό Pentium 2 @ 266Mhz:
Κώδικας: Επιλογή όλων
Doing aes-128 cbc for 3s on 16 size blocks: 1137016 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 64 size blocks: 298162 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 256 size blocks: 75333 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 1024 size blocks: 18919 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 8192 size blocks: 2366 aes-128 cbc's in 3.00s
OpenSSL 0.9.7l 28 Sep 2006
built on: Thu Sep 28 23:28:43 CDT 2006
options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial) blowfish(idx)
compiler: gcc -fPIC -DOPENSSL_PIC -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DOPENSSL_NO_KRB5 -DOPENSSL_NO_MDC2 -DOPENSSL_NO_IDEA -DOPENSSL_NO_RC5 -DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -march=i486 -mcpu=i686 -Wall -DSHA1_ASM -DMD5_ASM -DRMD160_ASM
available timing options: TIMES TIMEB HZ=100 [sysconf value]
timing function used: times
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 6064.09k 6360.79k 6428.42k 6457.69k 6460.76k
Κώδικας: Επιλογή όλων
Doing aes-128 cbc for 3s on 16 size blocks: 13514296 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 64 size blocks: 3746450 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 256 size blocks: 965228 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 1024 size blocks: 381414 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 8192 size blocks: 49570 aes-128 cbc's in 3.00s
OpenSSL 1.0.1c 10 May 2012
built on: Wed Jun 6 17:47:04 UTC 2012
options:bn(64,32) rc4(8x,mmx) des(ptr,risc1,16,long) aes(partial) blowfish(idx)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wa,--noexecstack -Wall -march=i686 -DOPENSSL_BN_ASM_PART_WORDS -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM -DRMD160_ASM -DAES_ASM -DVPAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 72076.25k 79924.27k 82366.12k 130624.73k 135359.15k
Boo!
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Re: Raspberry Pi
There is a new distro out for the Raspberry Pi which improves performance, it's called Raspbian.
Apparently it brings more comprehensive support for floating point operations???????
The system does seem quite a bit quicker which is shown in the EAS number crunching....quite an improvement on the numbers compared to stock ARM Debian.
davefretty@raspberrypi ~ $ openssl speed aes-128-cbc
Doing aes-128 cbc for 3s on 16 size blocks: 2159118 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 64 size blocks: 663765 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 256 size blocks: 175943 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 1024 size blocks: 44648 aes-128 cbc's in 2.98s
Doing aes-128 cbc for 3s on 8192 size blocks: 5612 aes-128 cbc's in 3.00s
OpenSSL 1.0.1c 10 May 2012
built on: Sun Jun 17 20:14:20 UTC 2012
options:bn(64,32) rc4(ptr,char) des(idx,cisc,16,long) aes(partial) blowfish(ptr)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wa,--noexecstack -Wall -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DAES_ASM -DGHASH_ASM
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 11515.30k 14160.32k 15064.02k 15342.13k 15324.50k
Apparently it brings more comprehensive support for floating point operations???????
The system does seem quite a bit quicker which is shown in the EAS number crunching....quite an improvement on the numbers compared to stock ARM Debian.
davefretty@raspberrypi ~ $ openssl speed aes-128-cbc
Doing aes-128 cbc for 3s on 16 size blocks: 2159118 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 64 size blocks: 663765 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 256 size blocks: 175943 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 1024 size blocks: 44648 aes-128 cbc's in 2.98s
Doing aes-128 cbc for 3s on 8192 size blocks: 5612 aes-128 cbc's in 3.00s
OpenSSL 1.0.1c 10 May 2012
built on: Sun Jun 17 20:14:20 UTC 2012
options:bn(64,32) rc4(ptr,char) des(idx,cisc,16,long) aes(partial) blowfish(ptr)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wa,--noexecstack -Wall -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DAES_ASM -DGHASH_ASM
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 11515.30k 14160.32k 15064.02k 15342.13k 15324.50k
- Fuzz
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Re: Raspberry Pi
Το raspbian είναι βασισμένο στο Hard float port του debian http://wiki.debian.org/ArmHardFloatPort. Στο λινκ έχει αρκετές λεπτομέρειες και τεχνικά στοιχεία για τις αλλαγές που έχουνε γίνει.
Η διαφορά στην ταχύτητα στο συγκεκριμένο τεστ είναι εντυπωσιακή (υπερδιπλασιασμός), χωρίς βέβαια αυτό να είναι ενδεικτικό της γενικής απόδοσης του συστήματος. Το ενδιαφέρον είναι ότι αυτός ο διπλασιασμός δεν οφείλεται στη χρήση του HW FPU μιας και ο αλγόριθμος AES χρησιμοποιεί ακέραιους και όχι αριθμούς κινητής υποδιαστολής. Ίσως να οφείλεται σε διαφορές μεταξύ των εκδόσεων του openssl, 0.9.8 στην μια περίπτωση, 1.0.1 στην άλλη. Ίσως στη χρήση του march=armv6 κατά το compile των πακέτων του raspbian, ίσως σε αλλαγές/βελτιώσεις στην C lib ή σε όλα τα παραπάνω.
Η διαφορά στην ταχύτητα στο συγκεκριμένο τεστ είναι εντυπωσιακή (υπερδιπλασιασμός), χωρίς βέβαια αυτό να είναι ενδεικτικό της γενικής απόδοσης του συστήματος. Το ενδιαφέρον είναι ότι αυτός ο διπλασιασμός δεν οφείλεται στη χρήση του HW FPU μιας και ο αλγόριθμος AES χρησιμοποιεί ακέραιους και όχι αριθμούς κινητής υποδιαστολής. Ίσως να οφείλεται σε διαφορές μεταξύ των εκδόσεων του openssl, 0.9.8 στην μια περίπτωση, 1.0.1 στην άλλη. Ίσως στη χρήση του march=armv6 κατά το compile των πακέτων του raspbian, ίσως σε αλλαγές/βελτιώσεις στην C lib ή σε όλα τα παραπάνω.
Boo!
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- mikeg
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Re: Raspberry Pi
Αρκετά ενδιαφέρουσα διανομή!
Eπίσης τώρα το πρόσεξα υπάρχει και ένα compiler option "-DAES_ASM" στη νεότερη έκδοση του openssl που ίσως βοηθάει το συγκεκριμένο benchmark
Eπίσης τώρα το πρόσεξα υπάρχει και ένα compiler option "-DAES_ASM" στη νεότερη έκδοση του openssl που ίσως βοηθάει το συγκεκριμένο benchmark
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