Posted August 14, 201212 yr Yes it is possible, but is it worth it ? Will we see LN2 pots on it ? I received two boards so... if one mod fails I can still try another. Anyone else interested ?
August 14, 201212 yr you lucky man. here in Italy is quite difficult to get one, waiting time is much higher than 1 month... tell us if it likes cold.
January 26, 201312 yr @Mafio If you order one and get it also, let me take a look at it... Da dove sei?
January 27, 201312 yr Will the Pi run any of the typical benches though? It's ARM so no Windows yet, you can have linux on it but then you'd need the software. So, no
January 28, 201312 yr Author There is a Pi benchmark in Java and Python. Python is obviously faster, and can be also ran on any computer. I'm looking into a voltmod or something (also some kind of a "chip pot").
January 29, 201312 yr (also some kind of a "chip pot"). NB pot might work. Though there is a row of pins near the core. Guess it depends on the size of the base. There is that thread about making a NB pot from the copper insert of the Intel stock coolers. That might be small enough. From the looks of it, the core is probably powered from a linear regulator. If it's a fixed one, just pop it off and get an adjustable one. If it's adjustable regulator, find the resistors that set the adj pin. Edited January 29, 201312 yr by just_nuke_em
January 29, 201312 yr I expect the main issue will be in keeping the regulator and crystal from coldbugging. The 19.2MHz crystal right under the core is not going to appreciate Cold at all.
January 29, 201312 yr I'd rather overclock one of these http://www.hardkernel.com/renewal_2011/products/prdt_info.php?g_code=G135341370451
January 29, 201312 yr Author Does anyone have a raspberry pi? We have a beta multiplatform bench in java. Tested on win/linux/mac and works well, both with a gui and in console mode. Normally it should run on a raspberry too if you install an ARM java runtime. github link: https://github.com/frederikcolardyn/benchbot/tree/master/primebench How do I use the source files ? Can't figure out how to include hwbot libraries. Forgive my noob skills in programming. NB pot might work. Though there is a row of pins near the core. Guess it depends on the size of the base. There is that thread about making a NB pot from the copper insert of the Intel stock coolers. That might be small enough. From the looks of it, the core is probably powered from a linear regulator. If it's a fixed one, just pop it off and get an adjustable one. If it's adjustable regulator, find the resistors that set the adj pin. I don't have an Intel cooler that I can mod for a small pot, so I'll try something with aluminum foil. Here are some pictures of the board: http://s7.postimage.org/51b7su0ne/WP_001113.jpg Front side http://s14.postimage.org/6hdl1hpf3/WP_001113_2.jpg Front side, labelled http://s7.postimage.org/hv99m6e2y/WP_001114.jpg Front side, core area http://s7.postimage.org/fryueiea2/WP_001115.jpg Front side, USB controller area http://s7.postimage.org/gb3xns5oq/WP_001112.jpg Back side EDIT: When using the front GND, results differ from when using the back GND (although it's the same solder point). I don't understand why. I expect the main issue will be in keeping the regulator and crystal from coldbugging.The 19.2MHz crystal right under the core is not going to appreciate Cold at all. What crystal are you talking about ? I have no idea what it may be. I'd rather overclock one of these http://www.hardkernel.com/renewal_2011/products/prdt_info.php?g_code=G135341370451 Too expensive.
January 29, 201312 yr It's on the bottom of the board, right under the CPU. Silver thing with a brass border.
January 30, 201312 yr Author Compiled version:http://downloads.hwbot.org/downloads/hwbotprime.zip Tested in win7/8, mac osx, linux ubuntu, but not yet on ARM. Should work though. I'll try tomorrow, thanks. 1M has been much faster with Python if I'm not wrong, so that may be an option if this platform gains success in the overclocking community (just an advice).
January 30, 201312 yr Depending on which OS you have chosen for your pi installing java may be incredibly easy (sudo apt-get install java) or very hard. http://www.raspberrypi.org/downloads I'm on Wheezy, Oracle has a walkthrough for it, but it didn't work (apt-get says "wtf is java?"). I'll spend some more time on it when I get a chance.
January 30, 201312 yr I'm on Wheezy, Oracle has a walkthrough for it, but it didn't work (apt-get says "wtf is java?"). I'll spend some more time on it when I get a chance. sudo apt-get install sun-java6-jre Or openjdk
January 30, 201312 yr I'll give that a shot once I figure out how to get it internets, my only HDMI monitor is a rather long (unwired) distance from my router Maybe I can do it blind.
January 31, 201312 yr Will this be able to run on android phones too? Would be cool if phone cpu's could be benched and listed on hwbot too.
January 31, 201312 yr Got it running! Or at least running as far as estimating processor speed. It's been doing that for maybe five minutes at this point. I'm SSH'd into the box, don't know if that'd be a possible issue or not.
January 31, 201312 yr Got it running! Or at least running as far as estimating processor speed. It's been doing that for maybe five minutes at this point.I'm SSH'd into the box, don't know if that'd be a possible issue or not. No more pesky 'wtf is java'? Like Dennis showed, ARM > expect 2hr+
January 31, 201312 yr I sat down and explained WTF java was to it in very small words. Open whatever it was, to be specific. I expect the calc to take a bit, it's more than I'm not sure it's getting to the calc in the first place. pi@raspberrypi ~/benches $ ./benchbot.shpreparing file for linux jar /home/pi/benches/hwbotprime.jar skipping META-INF/MANIFEST.MF <> cpuid-linux32 skipping META-INF/ <> cpuid-linux32 skipping org/ <> cpuid-linux32 skipping org/hwbot/ <> cpuid-linux32 skipping org/hwbot/bench/ <> cpuid-linux32 skipping org/hwbot/bench/BootStrap.class <> cpuid-linux32 skipping org/hwbot/bench/PrimeBenchmark.class <> cpuid-linux32 skipping org/hwbot/bench/PrimeBenchService.class <> cpuid-linux32 skipping org/hwbot/bench/PrimeRunnable.class <> cpuid-linux32 skipping META-INF/maven/ <> cpuid-linux32 skipping META-INF/maven/org.hwbot/ <> cpuid-linux32 skipping META-INF/maven/org.hwbot/hwbotprime/ <> cpuid-linux32 skipping META-INF/maven/org.hwbot/hwbotprime/pom.xml <> cpuid-linux32 skipping META-INF/maven/org.hwbot/hwbotprime/pom.properties <> cpuid-linux32 Prepared: /tmp/cpuid could not finish execution because of error(s). *** Error : /tmp/cpuid: 1: /tmp/cpuid: Syntax error: word unexpected (expecting ")") --------- HWBOT BENCH 0.1.0 ---------- Processor detected: Estimating speed... I canceled after 10m or so and played with the OCing bits, ran it again 5m ago. The cpuid error makes me wonder if it's hung rather than just taking a while. If it never moves I'll pull the open java thing out and try the official one. EDIT: Hey! Finally gave up on estimating speed, 0GHz! Now it's running one thread. This'll take a bit, further reports as events warrant. 2.EDIT: Running pleasantly warm to the touch with a GPU RAM heatsink thermal taped to it and an annoying 80mm fan aimed in its direction. Don't remember what clock speed I set, don't know if it was successful either Edited January 31, 201312 yr by Bobnova
January 31, 201312 yr Far as I can tell it calculates forever. Left it overnight, no change come morning. I'll try another OS at some point here.
February 1, 201312 yr Far as I can tell it calculates forever. Left it overnight, no change come morning.I'll try another OS at some point here. But isn't the progressbar moving at all?
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