[MacRuby-devel] [NEW FILE] add string performance tests

[Jordan Breeding]

Good point, what if I change to appending binary info?

str << 1

vs.

str << "1"

On May 27, 2010, at 15:37, Laurent Sansonetti wrote:

> Hi Jordan,
> 
> The perf suite is far to be completed but we will definitely cover most String methods there at some point. In the meantime, your tests have some side effects I'm afraid (literal strings in loops are object creations).
> 
> Laurent
> 
> On May 26, 2010, at 9:09 PM, Jordan Breeding wrote:
> 
>> Right now MacRuby is really quite slow for string operations, I noticed it a while back when doing large amounts of string creation, characters swapping, and pushing/popping strings into/out of a priority queue.
>> 
>> The attached file is a string performance test and here is a run on my 15" Core i7 MBP with ruby 1.9.1, jruby, and MacRuby:
>> 
>> Name                ruby 1.9.1p378      MacRuby version     jruby 1.5.0.RC1     
>> --------------------------------------------------------------------------------
>> array:<<            0.751082            1.168693            1.290000            
>> array:new           0.394997            1.917601            0.277000            
>> array:[]            0.324454            0.755054            0.472000            
>> array:[]=           1.691840            0.765225            0.822000            
>> hash:new            1.501595            4.563549            0.444000            
>> hash:[]             0.612701            1.051502            0.589000            
>> hash:[]=            2.012367            1.135856            0.902000            
>> ivar:get            0.215424            0.344873            1.087000            
>> ivar:set            1.349466            0.243909            1.902000            
>> ivar:attr_writer    1.245894            4.587488            0.655000            
>> ivar:attr_reader    1.045779            2.755303            0.482000            
>> loop:upto           1.211598            5.215169            0.874000            
>> loop:times          1.210781            5.215054            0.876000            
>> loop:while          0.599330            0.157019            0.937000            
>> loop:for            1.442154            0.811875            1.132000            
>> method:args         0.728248            0.682097            1.434000            
>> method:noarg        0.822463            0.578383            0.837000            
>> method:splat        0.478610            1.805760            0.227000            
>> method:empty        0.807405            0.527851            1.062000            
>> method:opt          1.027146            2.579715            0.944000            
>> misc:ao_bench       7.838053            8.529954            3.248000            
>> misc:sudoku         1.740196            2.172581            2.461000            
>> misc:tak            1.277399            0.155534            1.563000            
>> misc:mandelbrot     2.956319            0.124588            0.854000            
>> misc:fib            3.827194            0.574900            4.935000            
>> misc:ack            1.049100            0.116299            1.217000            
>> proc:call+splat     0.318346            1.119665            0.191000            
>> proc:call+args      2.477112            1.100848            2.995000            
>> proc:call+noarg     2.496278            1.071953            3.507000            
>> string:store swap   0.153784            0.479202            0.033000            
>> string:<<           0.481788            143.615735          0.099000            
>> string:new          0.276954            1.574715            0.207000            
>> string:[]           0.428182            1.899233            0.072000            
>> string:tuple swap   0.181318            0.721778            0.045000            
>> yield:noarg         0.783281            0.720254            1.269000            
>> yield:splat         0.159219            0.965713            0.094000            
>> yield:less_arity    0.192418            0.843867            0.345000            
>> yield:same_arity    0.937823            0.763344            1.547000            
>> yield:more_arity    0.192516            0.848179            0.421000
>> 
>> Jordan
>> 
>> <perf_string.rb>_______________________________________________
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>> MacRuby-devel at lists.macosforge.org
>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
> 
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