And all of those times will be shaky and flaky and of very shady use if the
XSLT processor is written in Java so that JITting plays havoc with
execution times, depending on the actual data you use.
On 6 September 2014 17:57, G. Ken Holman
g(_dot_)ken(_dot_)holman(_at_)gmail(_dot_)com <
xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
At 2014-09-06 09:46 +0000, Costello, Roger L. costello(_at_)mitre(_dot_)org
wrote:
Hi Folks,
I would like to:
1. Output the time that my XSLT program starts processing
2. Do the processing
3. Output the time that my XSLT program finishes processing
This doesn't work:
<xsl:template match="/">
<xsl:value-of select="current-time()" />
... do the processing ...
<xsl:value-of select="current-time()" />
</xsl:template>
The current time is a static value for the duration of execution of the
stylesheet.
What is the correct way to accomplish this?
Outside of XSLT. Record the time, invoke and execute the stylesheet,
record the time.
I suggestion you also take the time (so to speak) to run your input data
through the following stylesheet:
===8<---
<?xml version="1.0" encoding="US-ASCII"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0">
<xsl:template match="/">
<xsl:copy-of select="."/>
</xsl:template>
</xsl:stylesheet>
===8<---
... and take that duration away from your execution duration so that you
have accommodated the time to build the input tree and serialize an output
tree (even if the output tree won't be identical at least you'll get some
time accommodated). That time is separate from your logic processing time.
If you have the chance to run your "... do the processing ..." multiple
times, say 100 times, and then divide the execution time by 100 that might
give you some accuracy (then, again, perhaps not if the optimization
precludes some execution for 99 times).
I hope this helps.
. . . . . . . Ken
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