Re: Power consumption of various architectures

2014-01-23 Thread Philip Guenther
On Thu, Jan 23, 2014 at 4:49 PM, Shawn K. Quinn skqu...@rushpost.com wrote: There's also the possibility of using a clamp-style AC ammeter on the power cable and multiplying by the nominal line voltage. Nope. http://en.wikipedia.org/wiki/Power_factor Philip Guenther

Re: Power consumption of various architectures

2014-01-22 Thread Артур Истомин
On Wed, Jan 22, 2014 at 01:59:51AM +0100, Juan Francisco Cantero Hurtado wrote: On Tue, Jan 21, 2014 at 07:31:14PM +, Christian Weisgerber wrote: Juan Francisco Cantero Hurtado i...@juanfra.info wrote: How can i find out this numbers? From power block sticker? I use a (good)

Re: Power consumption of various architectures

2014-01-22 Thread Shawn K. Quinn
On Mon, Jan 20, 2014, at 06:22 PM, Juan Francisco Cantero Hurtado wrote: I use a (good) power meter. Don't buy the cheapest one. There's also the possibility of using a clamp-style AC ammeter on the power cable and multiplying by the nominal line voltage. -- Shawn K. Quinn

Re: Power consumption of various architectures

2014-01-21 Thread Christian Weisgerber
Juan Francisco Cantero Hurtado i...@juanfra.info wrote: How can i find out this numbers? From power block sticker? I use a (good) power meter. Don't buy the cheapest one. From time to time, c't magazine reviews the cheap wattmeters available on the German (~ European) market. Their latest

Re: Power consumption of various architectures

2014-01-21 Thread Juan Francisco Cantero Hurtado
On Tue, Jan 21, 2014 at 07:31:14PM +, Christian Weisgerber wrote: Juan Francisco Cantero Hurtado i...@juanfra.info wrote: How can i find out this numbers? From power block sticker? I use a (good) power meter. Don't buy the cheapest one. From time to time, c't magazine reviews the

Re: Power consumption of various architectures

2014-01-20 Thread Riccardo Mottola
Hi, Miod Vallat wrote: I can't tell for the exact machines Theo is using, but here are a few values from my bunker: - VAX 4000/106 (fast vax, 100MHz processor), quite similar to the one Theo is using, two SCSI disks: about 95W. - Alpha LX164 (2nd generation alpha, 533MHz processor), with

Re: Power consumption of various architectures

2014-01-20 Thread Sunny Raspet
On Mon, Jan 20, 2014 at 12:30 AM, Артур Истомин art.is...@yandex.ru wrote: How can i find out this numbers? From power block sticker? Absolutely not. And also not from the manufacturer's specs (for those architectures and machines that still have this information published and publicly

Re: Power consumption of various architectures

2014-01-20 Thread Juan Francisco Cantero Hurtado
On Mon, Jan 20, 2014 at 05:30:32AM +, Артур Истомин wrote: On Sun, Jan 19, 2014 at 09:43:20PM +0100, Juan Francisco Cantero Hurtado wrote: On Sun, Jan 19, 2014 at 01:56:05PM +, Miod Vallat wrote: Having used most of the architectures out there, can you please say which of them

Re: Power consumption of various architectures

2014-01-19 Thread Miod Vallat
Having used most of the architectures out there, can you please say which of them consume most/least power in regular operation of OpenBSD, if you have such statistics? I can't tell for the exact machines Theo is using, but here are a few values from my bunker: - VAX 4000/106 (fast vax,

Re: Power consumption of various architectures

2014-01-19 Thread Marc Espie
On Sun, Jan 19, 2014 at 01:56:05PM +, Miod Vallat wrote: - VAX 4000/106 (fast vax, 100MHz processor), quite similar to the one Theo is using, two SCSI disks: about 95W. - SGI Fuel (700MHz R16000), original power supply: about 200W. - HP Visualize B2000 (400MHz PA-RISC): about 130W. -

Re: Power consumption of various architectures

2014-01-19 Thread Juan Francisco Cantero Hurtado
On Sun, Jan 19, 2014 at 01:56:05PM +, Miod Vallat wrote: Having used most of the architectures out there, can you please say which of them consume most/least power in regular operation of OpenBSD, if you have such statistics? I can't tell for the exact machines Theo is using, but here

Re: Power consumption of various architectures

2014-01-19 Thread Артур Истомин
On Sun, Jan 19, 2014 at 09:43:20PM +0100, Juan Francisco Cantero Hurtado wrote: On Sun, Jan 19, 2014 at 01:56:05PM +, Miod Vallat wrote: Having used most of the architectures out there, can you please say which of them consume most/least power in regular operation of OpenBSD, if you

Power consumption of various architectures

2014-01-18 Thread Jan Stary
On Jan 17 20:38:05, dera...@cvs.openbsd.org wrote: much power with old hardware. It is not a lot of power; that is a myth. Having used most of the architectures out there, can you please say which of them consume most/least power in regular operation of OpenBSD, if you have such statistics?