Disable GC entirely

[Paulo Pinto]

On Thursday, 11 April 2013 at 08:03:53 UTC, Walter Bright wrote:
> On 4/10/2013 11:55 PM, Paulo Pinto wrote:
>> Some of our consulting projects are conversion of C++ code 
>> into one of the said
>> technologies. We usually achieve performance parity with the 
>> existing application.
>>
>> With C, C++ and Fortran it is easier to achieve a certain 
>> performance level
>> without effort, while the other languages require a bit of 
>> effort knowing the
>> runtime, writing GC friendly data structures and algorithms, 
>> and doing
>> performance analysis, but it achievable as well.
>>
>> Many developers don't want to do this, hence my statement.
>
> I've seen enough "performant" C++ code to disagree with your 
> statement. If they knew what was going on with how C++ 
> implemented their constructions, they could get a lot better 
> performance.
>
> The second problem with writing performant C and C++ code is 
> the difficulty of refactoring code to try different data 
> structures & algorithms. Generally, one picks a design up 
> front, and never changes it because it is too hard to change it.

Fair enough, I have left the C daily coding on the job in 2002 
and C++ in 2005, so I can hardly consider myself an expert in 
optimization tricks in those languages.

Nowadays I get seldom the opportunity to write new C++ code on 
the job.

--
Paulo