We showed the first prototype of the game developed for the “Plan Ceibal” (www.ceibal.org.uy). The game is web based and specially designed for children using a XO computer.

Plan Ceibal

The One Laptop Per Child Association, Inc. (OLPC) is a U.S. non-profit organization set up to oversee the creation of an affordable educational device for use in the developing world. Its mission is “to create educational opportunities for the world’s poorest children by providing each child with a rugged, low-cost, low-power, connected laptop with content and software designed for collaborative, joyful, self-empowered learning.”

“Uruguay is the first country in accept the challenge”

Worldbank.org – Uruguay’s Plan Ceibal: The world’s most ambitious roll-out of educational technologies?

The Game

Moove-IT and El Abrojo (a Uruguayan Social Organization who works with poor children) are working in the development of an online game for the XO computers.

This game is financed by the IMM (Government of Montevideo) and his main objective is promote good habits between children. This tool is an online game in which the children works with themes relative to the daily environment care. Each child works in groups with their classmates and also with other schools in any location of the country.

They will be able to: build houses, create commercial areas, create rural areas, maintain clean the neighborhood, and manage parks, among others things.

The points are generated by answering simple questions and doing simple tests. The tests and the answers are validated by the collective. This means that players themselves determine whether an answer is correct or not.

Here you have an initial slide of the game with some screenshots. (The slide is in Spanish)

We will put this Game on production in April 20, 2010

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Actually has been made improvements on this topic, specially in the new Ruby implementation (Ruby 1.9) based on the YARV virtual machine.

JRuby (Ruby over JVM implementation) has been focused in its performance from its lastest releases. Here at moove-it we are exploring the posibility of use Rails over JRuby in some JEE application servers, so we need some facts about JRuby performance (and other topics like gems compatibility, etc)

The Ruby community has put a set of benchmarks at ruby1.9 trunk: http://svn.ruby-lang.org/repos/ruby/trunk/benchmark/

So, we test with these benchmarks and here are the results!.

The code that run the benchmarks is like that:

block_to_benchmark = lambda { load BENCHMARKS_DIR + '/' + filename}
Benchmark.measure &block_to_benchmark

(yes, we are using the benchmark module bundled with the ruby standard lib)

.

A looser conclusion may be that Ruby 1.9 is 95% faster than Ruby1.8, and JRuby 1.3.0 is 10% faster than 1.8, in general the new implementations are faster than Ruby1.8,  especially 1.9 (twice as faster).

The benchmarks were under WindowsXP  SP3, 4GB RAM, and a Intel Core 2 duo 2.0GHz. Happy hacking!

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