What is it about CFFUNCTION that slows things down???

Question

I have some code that imports the contents of an Excel
spreadsheet into my database, during the import process I also do a
fair amount of data massaging. When I run this code straight from a
URL it completes in about 90 seconds. When I encapsulate the exact
same code into a CFC function and call it from my Flex application
the run time jumps to around 10 minutes. Is there something about
calling a CFC function from within Flex that I am missing here? The
only differences in the code are a few passed in variables (which
are hard coded in the URL version) and the CFFunction tags. The
differences are trivial so I don't see how they could be accounting
for the extra time.
Any thoughts on why the CFC runs so much slower than the
CFM??? Oh... I am running CF 7.02 and my client will be on that
platform for the foreseeable future.
Have an Ordinary Day...
KomputerMan ~|:-)

Answer 1

I think it is something to do with how the end of the
function processes. I am able to watch the records get wrote into
my database table. From the time the last record gets wrote to the
time the end of the function is processed is about 19 seconds for
500 records. That time goes up when more records are processed too.
Here is the code at the end of my loop that processes the data
prior to the end of the function. When the /CFLOOP is reached is
when the last record is wrote to the table.
<CFSILENT>
<!--- bunch of code to import a spreadsheet and put it
into a temporary database table so the data can be further
manipulated. This is then followed by a bunch of code to do
summations, groupings, create referential integrity, etc… and
then put the clean data into a good data table and the bad data
into a bad data table. --->
<CFTRANSACTION>
<cftry>
<CFLOOP QUERY="GetData">
<cftransaction action = "commit"/>
</CFLOOP>
<cfcatch type="database">
<cfthrow message="function = ADD records, MyFlag =
#MyFlag# #cfcatch.Message# #cfcatch.Detail#">
</cfcatch>
</cftry>
</CFTRANSACTION>
<!--- here is where I start my stop watch when the record
count in my table quits incrementing --->
</CFSILENT>
<CFSET MyReturnString = GoodCnt & ',' & BadCnt1
& ',' & BadCnt2 & ',' & BadCnt3>
<CFRETURN MyReturnString>
</CFFUNCTION>
I have been playing with adding a CFTRANSACTION into the code
to see if that helps or hurts. So far it has not made a difference.
Bottom line is after the data is processed the function is not
returning to Flex in a timely manner.
Have an Ordinary Day...
KomputerMan ~|:-)