> On 18 Oct 2016, at 22:16, Todd Blanchard <tblanch...@mac.com> wrote: > > There is a scratch on cog vm as part of the standard raspbian distro. > > Have you tried that?
The Squeak VMs that come with raspbian seem to be of the older variant (I am using Pharo 5). You known, "This interpreter (vers. 6505) cannot read image file (vers. 6521)." Still, in order to be sure we are talking about the exact same VM, version info is needed. >> On Oct 18, 2016, at 09:27, Sven Van Caekenberghe <s...@stfx.eu> wrote: >> >> >>> 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 >> >> >> > >
