Re: General purpose task parallel threading approach

Actually it is still relevant handheld/mobile phone space...


.ben

On Thu, Apr 16, 2009 at 3:50 PM, Jon Olick <[email protected]> wrote:

> I heard that google also optimizes their code for power consumption, though
> this is not very relevant for games it does apply to certain types of
> software development.
> - Jon Olick
>
>
> On Thu, Apr 16, 2009 at 2:02 PM, Tony Cox <[email protected]> wrote:
>
>> I think you guys are getting tied up in an argument about semantics.
>>
>> The real point here, IMHO, is that software development is a *tradeoff*.
>> There are many things we'd like in any piece of software:
>>
>> - Good performance (both in time and space)
>> - Robustness
>> - Maintainability
>> - Shipped on time
>> - Shipped on budget
>> - Features
>> - Interoperability
>> - Testability
>> - Portability
>> - Reusability (perhaps this means being more rather than less general)
>> - And many others.
>>
>> Clearly, holding all other variables equals, it's better to have more of
>> these good things than less. But you don't get to hold the other variables
>> equal - you're always trading off things against each other. Would I like
>> any piece of code I write to be more general purpose and more reusable?
>> Sure, but (a) do I even know that how to achieve that goal, and (b) am I
>> willing to trade off something else to get it? Maybe not. Perhaps almost
>> always not.
>>
>> - Tony
>>
>> -----Original Message-----
>> From: [email protected] [mailto:
>> [email protected]]
>> Sent: Thursday, April 16, 2009 11:14 AM
>> To: Game Development Algorithms
>> Subject: Re: [Algorithms] General purpose task parallel threading approach
>>
>> > "Other than classroom examples, software is NOT written through
>> > composition of 'general components'. And even in the small subset
>> > of software writing where your statement may hold true, writing
>> > those components was a very small amount of work of the total."
>> >
>> > No, every piece of software in a modern language is written through
>> > composition of "general components", from the machine code op-codes,
>> > up to the language constructs they come from, up to the libraries,
>> > patterns and algorithms they're constructed with.
>>
>> The fact that you have to rely on labelling assembly instructions
>> and for-loops as "general components" to provide support for your
>> initial statement shows how weak your statement was.
>>
>>
>> Christer Ericson, Director of Tools and Technology
>> Sony Computer Entertainment, Santa Monica
>>
>>
>>
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>
>
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