Csaba, what size of font do you use, ... I am guessing 2 point? ... Looks more like M$ licensing agreement text :) ><> ... Jack "You don't manage people; you manage things. You lead people." — Admiral Grace Hopper, USN "If you are not part of the solution, you are part of the precipitate" - Henry J. Tillman "Anyone who has never made a mistake, has never tried anything new." - Albert Einstein
On Thu, Jun 14, 2012 at 6:00 PM, Toth, Csaba <[email protected]>wrote: > This is because those integrated cards can elastically size the memory > they allocate from the system RAM. So by default it uses 8MiB, and I guess > 256MiB is the maximum it can size up to if needed. You can tune that from > the BIOS usually. > > Long time ago the AGP bus appeared for such cards to try to speed up the > access bandwidth of the system RAM for such GPUs, but even with AGP they > were slow as turtle (compared to discrete VRAM GPUs). > > BTW, if you want to see in the future by 5-10 years: the dGPUs (discrete > GPUs) will disappear, Intel and AMD are both moving towards APUs, where the > CPU and the GPU is on one die (those products are already on the market). > NVidia also has the Tegra, where the CPU is ARM compatible. Today those > GPUs still have discrete VRAM (most of the time), but some of the GPU > already got smarted up with memory management unit for the system RAM. So > they can read/write the system RAM by themselves, and see the system RAM > from their virtual address space (of course the GPU has to implement > sniffing protocol to track the validation of the cache, etc). I predict > that soon the CPUs and GPUs in those APU chips will just see one RAM. The > long visioned AGP dream (which is a nightmare for the high-en dGPU gamers) > will come true. > > There will be only one product line of dGPU which will be still alive: the > expensive NVidia Tesla-like GPGPU cards for HPC computations. Those servers > are tiny and can outperform huge servers in FLOPS. > > Csaba > > ------------------------------ > *From:* [email protected] [[email protected]] On Behalf > Of Chris McQuistion [[email protected]] > *Sent:* Thursday, June 14, 2012 3:42 PM > *To:* [email protected] > *Subject:* Re: [nlug] Command of the Day (or whenever someone has just > googled for 20 minutes...) > > I don't think that command " lspci -v -s 01:00.0 " is necessarily > reliable at telling you the actual video RAM for your card. I just ran it > on one of my Atom boxes that I know uses 8 MB of system RAM for the pitiful > onboard video. It reported the following: > > 00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ > Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller]) > Subsystem: Micro-Star International Co., Ltd. Device 7418 > Flags: bus master, fast devsel, latency 0, IRQ 16 > Memory at fea80000 (32-bit, non-prefetchable) [size=512K] > I/O ports at dc00 [size=8] > Memory at e0000000 (32-bit, prefetchable) [size=256M] > Memory at fea40000 (32-bit, non-prefetchable) [size=256K] > Expansion ROM at <unassigned> [disabled] > Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- > Capabilities: [d0] Power Management version 2 > Kernel driver in use: i915 > Kernel modules: intelfb, i915 > > One of those lines lists size=256M, but I know that this system is > actually using 8 MB of system RAM for video. > > Chris > > > > On Thu, Jun 14, 2012 at 11:26 AM, Howard White <[email protected]> wrote: > >> Okay, so I'm not leading edge here... >> >> Wanted to know how much video memory my workstation system has. Have >> other cards that could be swapped out should that be a good thing. >> >> Step one - find video card address within lspci >> my example listed as 01:00.0 VGA Compatible Controller... >> >> Step two - lspci -v -s 01:00.0 >> I now know that this card has 256MB >> >> Did a lspci on this laptop and no VGA adapter showed up. Oh well... >> >> Howard >> >> -- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to nlug-talk+unsubscribe@** >> googlegroups.com <nlug-talk%[email protected]> >> For more options, visit this group at http://groups.google.com/** >> group/nlug-talk?hl=en <http://groups.google.com/group/nlug-talk?hl=en> >> > > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en > > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en > -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en
