>You are are assuming things about the HiperSocket implementation that >aren't true. It is not an I/O device and so doesn't use the SAP. Data is >moved synchronously using the CPU. That is a surprise. You mean the user CPU is doing this and not a SAP? That would be a reason to choose the OSA way in a cpu constrained environment.
>The SAP isn't used when bouncing off the OSA, either, since the card >handles the DMA transfers itself. Right, so only the OSA gets a workout. >For crossing LPAR boundaries, HiperSockets gives better performance than >bouncing off an OSA. So it is the fastest, but what about costs? It uses an awfull lot of real. >If you're worried about SAP utilization, your fave performance monitoring >product will report on it. I have VM PTK, I can't find about SAP utilization. Where do I look? Best regards, Pieter Harder [EMAIL PROTECTED] tel +31-73-6837133 / +31-6-47272537 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
