take 48-bit lba a bit further
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"John" == John Bradford <[email protected]> writes:
John> So, say you have a choice of either a 256Kb request to a low John> block number, which can use the faster 28-bit mode, or a 512Kb John> request to the same low block number, which can only be made John> using 48-bit LBA, which is the best to use?
Interrupt overhead as measured here is greater than the IO overhead (at least on IA64 and alpha machines). The bigger the transfer for a single interrupt, the better.
Peter C