Garbage collection (crashing on Windows)

Mark Waddingham mark at livecode.com
Fri Aug 19 15:22:31 EDT 2016


With the current implementation of the engine, the only reason using empty is faster than using pValue is because the latter requires a variable lookup, the former is a constant.

What are you using sValueCache for?

Sent from my iPhone

> On 19 Aug 2016, at 19:37, Mark Talluto <mark at canelasoftware.com> wrote:
> 
> 
>> On Aug 19, 2016, at 10:42 AM, Mark Waddingham <mark at livecode.com> wrote:
>> 
>> command shareAndStoreKey @xArray, pKey, pValue
>>    set the caseSensitive to true -- this is assuming your values are sensitive to case
>>    if pValue is not among the keys of sValueCache then
>>        put pValue into sValueCache[pValue]
>>    end if
>>    put sValueCache[pValue] into xArray[pKey]
>>  end command
> 
> 
> Hi Mark,
> 
> We have been doing:
> put empty into sValueCache[pValue]    --as an optimization. 
> 
> How does this compare to:
> put pValue into sValueCache[pValue]    --in terms of performance?
> 
> 
> Best regards,
> 
> Mark Talluto
> livecloud.io
> canelasoftware.com
> 
> 
> 
> 
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