On Thu, Mar 23, 2017 at 7:51 PM, Jeff Gilbert <jgilb...@mozilla.com> wrote:
> I'm interested to find out how the new Ryzen chips do. It should fit > their niche well. I have one at home now, so I'll test when I get a > chance. > Ryzen currently on Linux implies no rr, so beware of that. > On Wed, Jul 6, 2016 at 12:06 PM, Trevor Saunders > <tbsaunde+mozi...@tbsaunde.org> wrote: > > On Tue, Jul 05, 2016 at 04:42:09PM -0700, Gregory Szorc wrote: > >> On Tue, Jul 5, 2016 at 3:58 PM, Ralph Giles <gi...@mozilla.com> wrote: > >> > >> > On Tue, Jul 5, 2016 at 3:36 PM, Gregory Szorc <g...@mozilla.com> > wrote: > >> > > >> > > * `mach build binaries` (touch network/dns/DNS.cpp): 14.1s > >> > > >> > 24s here. So faster link times and significantly faster clobber > times. I'm > >> > sold! > >> > > >> > Any motherboard recommendations? If we want developers to use machines > >> > like this, maintaining a current config in ServiceNow would probably > >> > help. > >> > >> > >> Until the ServiceNow catalog is updated... > >> > >> The Lenovo ThinkStation P710 is a good starting point ( > >> http://shop.lenovo.com/us/en/workstations/thinkstation/p-series/p710/). > >> From the default config: > >> > >> * Choose a 2 x E5-2637v4 or a 2 x E5-2643v4 > >> * Select at least 4 x 8 GB ECC memory sticks (for at least 32 GB) > >> * Under "Non-RAID Hard Drives" select whatever works for you. I > recommend a > >> 512 GB SSD as the primary HD. Throw in more drives if you need them. > >> > >> Should be ~$4400 for the 2xE5-2637v4 and ~$5600 for the 2xE5-2643v4 > >> (plus/minus a few hundred depending on configuration specific). > >> > >> FWIW, I priced out similar specs for a HP Z640 and the markup on the > CPUs > >> is absurd (costs >$2000 more when fully configured). Lenovo's > >> markup/pricing seems reasonable by comparison. Although I'm sure someone > >> somewhere will sell the same thing for cheaper. > >> > >> If you don't need the dual socket Xeons, go for an i7-6700K at the > least. I > >> got the > >> http://store.hp.com/us/en/pdp/cto-dynamic-kits--1/hp-envy- > 750se-windows-7-desktop-p5q80av-aba-1 > >> a few months ago and like it. At ~$1500 for an i7-6700K, 32 GB RAM, and > a > >> 512 GB SSD, the price was very reasonable compared to similar > >> configurations at Dell, HP, others. > >> > >> The just-released Broadwell-E processors with 6-10 cores are also nice > >> (i7-6850K, i7-6900K). Although I haven't yet priced any of these out so > I > >> have no links to share. They should be <$2600 fully configured. That's a > >> good price point between the i7-6700K and a dual socket Xeon. Although > if > >> you do lots of C++ compiling, you should get the dual socket Xeons > (unless > >> you have access to more cores in an office or a remote machine). > > > > The other week I built a machine with a 6800k, 32gb of ram, and a 2 tb > > hdd for $1525 cad so probably just under $1000 usd. With just that > > machine I can do a 10 minute linux debug build. For less than the > > price of the e3 machine quoted above I can buy 4 of those machines > > which I expect would produce build times under 5:00. > > > > I believe with 32gb of ram there's enough fs cache disk performance > > doesn't actually matter, but it might be worth investigating moving a > > ssd to that machine at some point. > > > > So I would tend to conclude Xeons are not a great deal unless you really > > need to build for windows a lot before someone gets icecc working there. > > > > Trev > > > >> If you buy a machine today, watch out for Windows 7. The free Windows 10 > >> upgrade from Microsoft is ending soon. Try to get a Windows 10 Pro > license > >> out of the box. And, yes, you should use Windows 10 as your primary OS > >> because that's what our users mostly use. I run Hyper-V under Windows 10 > >> and have at least 1 Linux VM running at all times. With 32 GB in the > >> system, there's plenty of RAM to go around and Linux performance under > the > >> VM is excellent. It feels like I'm dual booting without the rebooting > part. > >> _______________________________________________ > >> dev-platform mailing list > >> dev-platform@lists.mozilla.org > >> https://lists.mozilla.org/listinfo/dev-platform > > _______________________________________________ > > dev-platform mailing list > > dev-platform@lists.mozilla.org > > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > -- Ehsan _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
