Hi Sergei, This is under investigation. Rene Brun Sergei Avvakumov wrote: > > Hi, > > Execution times of the 'stress' test for the two versions of ROOT > (from root_v2.23.Linux.2.2.3.egcs111.tar.gz) differ by a lot on my PC : > > 2.23/06: > ****************************************************************** > * Linux viola 2.2.13 #6 Mon Nov 8 14:53:28 EST 1999 i686 unkn > ****************************************************************** > stress : Total I/O = 425.9 Mbytes, I = 296.6, O = 129.3 > stress : Compr I/O = 407.7 Mbytes, I = 286.6, O = 121.1 > stress : Real Time = 112.40 seconds Cpu Time = 98.92 seconds > ****************************************************************** > * ROOTMARKS = 138.6 * Root 2.23/06 991021/850 > ****************************************************************** > > 2.23/08: > ****************************************************************** > * Linux viola 2.2.13 #6 Mon Nov 8 14:53:28 EST 1999 i686 unkn > ****************************************************************** > stress : Total I/O = 397.5 Mbytes, I = 277.8, O = 119.7 > stress : Compr I/O = 350.5 Mbytes, I = 248.2, O = 102.3 > stress : Real Time = 151.18 seconds Cpu Time = 144.61 seconds > ****************************************************************** > * ROOTMARKS = 99.0 * Root 2.23/08 991102/1137 > ****************************************************************** > > Is there any explanation for this? According to release notes, some > performance enhancing changes were introduced in version 2.23/07, > so the effect should have been opposite. > > Thanks, > > Sergei Avvakumov
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