On Feb 12, 2009, at 12:29 AM, Isaac Huang wrote: > On Wed, Feb 11, 2009 at 04:35:47PM -0500, Scott Atchley wrote: >> ...... >> SOCKLND is limited by a copy on the receive side. When a client >> writes, the server has to copy the data out. When a client reads, it >> ...... > > One exception is SOCKLND on Chelsio's T3, quote: > > "The T3 ASIC uses the mechanism of Direct Data Placement (DDP) that > provides a flexible zero copy on receive capability for regular TCP > connections, requiring no changes to the sender, the wire protocol, or > the socket API on sending or the receiving side." > > I remembered that a small SOCKLND fix was landed recently to make use > of this zero copy receive capability. > > Isaac
Interesting. Is this code available yet? Scott _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
