Re: [Chromium-dev] Overlap the execution of SPU?

[Brian P. <bri...@tu...>]

Daniel wrote:
> Thank you=EF=BC=8CBrian=20
> =20
> =3D=3D=3D=3D=3D=3D=3D 2006-12-04 23:54:43 =EF=BC=9A=3D=3D=3D=3D=3D=3D=3D
>=20
>=20
>>Daniel wrote:
>>
>>>Hello,
>>>
>>>I'm using Chromium in a 10 nodes cluster with one client and nine
>>>servers which form a 3x3 passive stereo display. Each node is
>>>equipt with double Xeon 2.4G CPU, 1G memory, GeForce 5200 with
>>>PCI-X bus. They are connected by Giga Ethernet.
>>>
>>>However, the speed is always below my expectation. Rendering of a
>>>moderate size object with about 60K triangles needs about 0.6~1
>>>seconds, which only need 0.04~0.05s on a single nodes.
>>
>>You're probably limited by the network.  One potential work-around is=20
>>to use display lists.  It's best to only put geometry and not=20
>>state-change commands in the display list.
>=20
>=20
> I'm turning to Infiniband to improve the network performance. However, =
I'm not familar with it. I compiled Chromium with IB_SUPPORT =3D1 , but w=
hen I try use it as follows:
> 	clientspu.AddServer(node,protocol=3D'ib',port=3D7000)
>=20
> it always gives an error message: unkown protocol "ib".

That's coming from line 159 of util/net.c  You might want to put in=20
some extra debug code in tha area to be 100% sure IB_SUPPORT is defined.

-Brian