03.03.2016 15:32, Dimitry Sibiryakov wrote: > 03.03.2016 12:56, Vlad Khorsun wrote: >>> If you mean overall profit under multiuser load, then - no, I have no >>> numbers for that. >> >> Perfect > > If you have at hand server with dozen of cores and test suite you are > welcome to find > it out yourself.
It is you, who offer patch and should proof it is have value. > I wouldn't expect much from lock manager, but hash joins can get > significant boost, > especially on long keys. You don't need "server with dozen of cores" to check it, isn't is ? >> PS There is no need in first two if's in CRC32C() > > Are you sure that lock manager doesn't work with data of one or two bytes > long? At > these sizes the function had a weak spot without these ifs. Perfect. All other 99% cases (with key >= 4 bytes) must pay for nothing. Vlad ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
