Hi Edward, On 25 December 2014 at 19:33, Edward Lau <[email protected]> wrote: > > Hi Folks: > I have read in many posting that SQLite is fast. How fast is fast? So over > this holiday break I tried to take a reading on the VDBE performance to get a > general idea. I wrote a quick module to enable me to exercise the engine > simulating 32M rows without any IOs. For each iteration I just increment a > counter and each call to xColumn() I pass the value of the counter back. > Starting from a baseline, I notice the time increase dramatically depending > what i am doing. The performance is still fast in terms of elapsed time but > if measured by percentage degradation; it
<snip> > Edward Lau@T60p ~/myCprograms > $ sqlite3 > SQLite version 3.8.4.3 2014-04-03 16:53:12 I don't have anything to add but perhaps a suggestion to try a more recent version of sqlite to see if to makes a difference. You may think 3.8.4 is not that old but look at this time line to indicate how many modifications are made to source and site: http://www.sqlite.org/docsrc/timeline And there have been seven releases since 3.8.4.3. Best, jungle -- ------- inum: 883510009027723 sip: [email protected] xmpp: [email protected] _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
