On Sat, 11 Feb 2023 at 13:22, Paul Gilmartin < 0000042bfe9c879d-dmarc-requ...@listserv.ua.edu> wrote:
> On Sat, 11 Feb 2023 17:40:21 +0000, Bill Johnson wrote: > > ... > >The digital services churned out by the world’s computer centers are > multiplying, but their energy use is not, thanks to cloud computing, a new > study says. > > > > - Share on Facebook > > - Share on WhatsApp > > - Post on Twitter > > - Mail > > > Are these ranked? Actual numbers would be interesting. "Mail" surprises > me. But I mail few > resources and I don't quote attachments. In fact, I prune quotations. > Heh - I don't think those are rankings - just (former) links from the article in whatever publication Bill copied from. > > ... > >The largest cloud data centers, sometimes the size of football fields, > are owned and operated by big tech companies like Google, Microsoft, Amazon > and Facebook. > > ... > >Over the years, data center electricity consumption has been a story of > economic incentives and technology advances combining to tackle a problem. > > > Do they use: > o IBM z? > o IBM supercomputers? > o Others, such as overseas-sourced (specify)? > At one time Facebook published detailed specs for its homegrown PC servers, in contrast to the likes of Google, Amazon, and Microsoft, for whom it's all trade secrets. I've no idea if they've kept the specs current. Lynn Wheeler wrote about this stuff a number of times when he was active on IBM-MAIN, though mostly from an available-compute-power perspective rather than a power efficiency one. Tony H. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN