gistfile1.rb

# using mysql gem
>> puts Benchmark.measure{10.times{ActiveRecord::Base.connection.execute("select * from registrations")}}
 1.860000   1.900000   3.760000 ( 25.765718)

# using mysql2 gem
>> puts Benchmark.measure{10.times{ActiveRecord::Base.connection.execute("select * from registrations")}}
 1.820000   1.850000   3.670000 ( 18.838711)

# looks really cool, but... we never do that kind of queries, let's get realistic

# using mysql gem
>> puts Benchmark.measure{10000.times{Registration.find(1000)}}
 4.460000   0.340000   4.800000 (  6.569150)

# using mysql2 gem
>> puts Benchmark.measure{10000.times{Registration.find(1000)}}
 5.480000   0.380000   5.860000 (  7.681031)

# :( :emo:

# using mysql gem
>> event = Event.find 'probando-eventio'; puts Benchmark.measure{1000.times{event.registrations.all}}
 1.630000   0.130000   1.760000 (  2.218865)
53:43

# using mysql2 gem
>>  event = Event.find 'probando-eventio'; puts Benchmark.measure{1000.times{event.registrations.all}}
 3.440000   0.140000   3.580000 (  4.188297)

# :( !!!