> On 18 Oct 2016, at 14:29, Henrik Johansen <henrik.s.johan...@veloxit.no> > wrote: > > >> On 17 Oct 2016, at 8:43 , Sven Van Caekenberghe <s...@stfx.eu> wrote: >> >> Hi, >> >> Does a (faster) Cog VM for the Raspberry Pi actually exist ? >> >> I tried comparing the latest OpenSmalltalk VM with some older ones, only to >> find that they are all equally fast (slow actually): >> >> pi@raspberrypi ~/Pharo $ ./pharo -nodisplay Pharo.image printVersion >> [version] 5.0 #50581 >> >> "http://files.pharo.org/vm/pharoS/raspbian/latest.zip"; >> >> pi@raspberrypi ~/Pharo $ ./pharo -nodisplay Pharo.image eval '1 >> tinyBenchmarks' >> '167429692 bytecodes/sec; 11160247 sends/sec' >> >> "http://www.mirandabanda.org/files/Cog/VM/VM.r3427/cogspurlinuxhtARM-15.33.3427.tgz"; >> >> pi@raspberrypi ~/Pharo $ ./products/phcogspurlinuxhtRPi/pharo -nodisplay >> Pharo.image eval '1 tinyBenchmarks' >> '166992824 bytecodes/sec; 11337746 sends/sec' >> >> "https://bintray.com/opensmalltalk/vm/download_file?file_path=cog_linux32ARMv6_pharo.cog.spur_201610142319.tar.gz"; >> >> pi@raspberrypi ~/Pharo $ ./products/phcogspurlinuxhtRPi/pharo -nodisplay >> Pharo.image eval '1 tinyBenchmarks' >> '166992824 bytecodes/sec; 11337746 sends/sec' >> >> That is no significant difference on a RPi 3, at all. Is this normal ? Am I >> missing something ? >> >> Thx, >> >> Sven >> >> PS: Just for reference, my Mac Book Pro is 10 times faster >> >> 1 tinyBenchmarks "'1323852617 bytecodes/sec; 174185794 sends/sec'" > > Are you 100% sure you benched different VM's? > A stack VM (PharoS) getting the same results as a Spur VM > (cog_linux32ARMv6_pharo.cog.spur_201610142319.tar.gz) is rather suspicious... > > At least on my Pi3, the spur Cog VM gives numbers around 250M bytecodes/160M > sends.... > which, while still "slow", is a decent bump in speed compared to what you're > seeing. > > Cheers, > Henry
Hi Henry, That is exactly the kind of reference/experience I am looking for. Could you please point me to the exact download URL you downloaded ? I will happily test it ;-) Thx, Sven
