<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><P><FONT face="times new roman, new york, times, serif">All,</FONT></P>
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<P><FONT face="Times New Roman">In early descriptions of QPI, this capability (a remote QPI agent's [on say an FPGA or GPU</FONT></P>
<P><FONT face="Times New Roman">accelerator] ability to </FONT><FONT face="Times New Roman">stimulate a QPI processor to prefetch data to its cache, avoiding memory),</FONT></P>
<P><FONT face="Times New Roman">was listed as a possible feature of QPI. This has obvious potential benefits in globalizing </FONT></P>
<P><FONT face="Times New Roman">distributed memory and reducing remote memory reference data copies. I am guessing that</FONT></P>
<P><FONT face="Times New Roman">such a feature would be </FONT><FONT face="Times New Roman">important in SGI's Tukwila based UltraViolet system, but am wondering</FONT></P>
<P><FONT face="Times New Roman">if it is part of what </FONT><FONT face="Times New Roman">will be supported on the soon-to-be-released Nehalem EPs? A side</FONT></P>
<P><FONT face="Times New Roman">questions would be </FONT><FONT face="Times New Roman">"Does HyperTransport allow for something similar?"</FONT></P>
<P><FONT face="Times New Roman"></FONT> </P>
<P><FONT face="Times New Roman">Thanks,</FONT></P>
<P><FONT face="Times New Roman"></FONT> </P>
<P><FONT face="Times New Roman">rbw</FONT></P>
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