Gandi Hosting vs Amazon EC2 computing power

Posted: Wednesday April 08 2009 @ 1:33pm  in Category: Hardware

I'm currently playing with Amazon Web Services and EC2, Amazon's highly flexible VPS hosting service. Gandi Hosting is providing a similar Xen based hosting service, and last day I saw that they benchmarked their basic "one share" server with Unixbench and got a score of 40.

I was curious to see the score I could get with a small Amazon EC2 server, so I quickly started an instance and the same Unixbench release. The score I got for a small EC2 instance was 34.5 :

BYTE UNIX Benchmarks (Version 4.1-wht.2)
System -- Linux ip- 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:39:36 EST 2008 i686 GNU/Linux
/dev/sda1             10321208    578372   9218548   6% /

                     INDEX VALUES            
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7  2016468.0       53.5
Double-Precision Whetstone                      83.1     1267.8      152.6
Execl Throughput                               188.3      835.7       44.4
File Copy 1024 bufsize 2000 maxblocks         2672.0    11164.0       41.8
File Copy 256 bufsize 500 maxblocks           1077.0     3059.0       28.4
File Read 4096 bufsize 8000 maxblocks        15382.0    74927.0       48.7
Pipe-based Context Switching                 15448.6    21771.7       14.1
Pipe Throughput                             111814.6    58972.3        5.3
Process Creation                               569.3     1361.2       23.9
Shell Scripts (8 concurrent)                    44.8      171.8       38.3
System Call Overhead                        114433.5   670336.1       58.6
                                                                 =========
     FINAL SCORE                                                      34.5

So if we believe Gandi.net, basic Amazon EC2 and Gandi instances have roughly the same power. But later I found the following Gandi benchmark, which shows much lower results that Amazon's:

TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7   571267.5       15.2
Double-Precision Whetstone                      83.1     1185.4      142.6
Execl Throughput                               188.3      274.2       14.6
File Copy 1024 bufsize 2000 maxblocks         2672.0    10814.0       40.5
File Copy 256 bufsize 500 maxblocks           1077.0     4200.0       39.0
File Read 4096 bufsize 8000 maxblocks        15382.0    43346.0       28.2
Pipe Throughput                             111814.6   110113.0        9.8
Pipe-based Context Switching                 15448.6    15650.0       10.1
Process Creation                               569.3      479.3        8.4
Shell Scripts (8 concurrent)                    44.8       59.9       13.4
System Call Overhead                        114433.5   183354.8       16.0
                                                                 =========
     FINAL SCORE                                                      20.4

But I didn't want to test myself Gandi Hosting because I would have needed to create an account and pay an initial fee of 14 Euros, just for playing 30 minutes with one server. With Amazon Web Services, running this benchmark cost me only $0.10 ! That's what I really find interesting with AWS: everything you use (CPU, Storage, ...) is billed on an hourly basis so it's very cheap for quick tests. And if tomorrow I want to run this benchmark on a "Medium High CPU" (5 times more CPU than a "small" instance) it will only cost me $0.20. But I admit that the big plus for Gandi Hosting is that bandwidth is free whereas you'll be billed up to $0.17 for each GB transferred on AWS.

If someone has more Gandi Hosting benchmarks, please tell me. (I compiled the benchmark with the default Makefile, without gcc optimizations).

New abstract photography gallery !

Posted: Wednesday January 28 2009 @ 11:48pm  in Category: Main

My abstract photography gallery is now opened ! Theses photos were not modified in any way. I did not use any digital effects on the camera or on my PC. Only photons captured by a CCD. And of course, if you want a hi-res, poster sized, printed version of some shots, feel free to contact me !

ZK vs. GWT: Server-Centric Matters !

Posted: Thursday March 13 2008 @ 6:05pm  in Category: Software

ZK is my favorite Web 2.0 toolkit. In fact, it's so powerful that I'd call it, a Web 3.0 toolkit. A true Web 3.0 toolkit where you do not have to write a single line of Javascript, which is compatible with all major Web browsers, and which allows you to write glue code in major scripting languages (Ruby, Python, Groovy, etc) even if the framework is based on Java.

In this nice article, you'll find a nice comparison between GWT and ZK. It's worth a read !

P.S.: ZK is also in the Top 10 most active projects on Sourceforge since 18 months !

The Future is Solar

Posted: Monday February 11 2008 @ 11:31pm  in Category: Energy

Here is a link to an excellent short article published in theoildrum.com, one of my favorite sites.

Read it, I'm sure it will convince you that our future is solar, and that other pseudo-alternatives like bio-diesel should be forgotten ASAP !

PolkaDot installed !

Posted: Monday February 11 2008 @ 10:59pm  in Category: Main

PolkaDot is a simple blogging system which does not need a database. So it has been installed in five minutes, and I will start using it to provide fresh news about this site.

If you have no time to waste, use Polkadot !

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