Monday, August 07, 2006

 

Table preview of hotspots (SoC 2006)

Some hotpots combinations were tested. Unexpectedly, the use of several hotspots together didn't cause an arithmetic sum of boot time improvements. For example, let's consider the following hotspots and their corresponding boot times:









hotspottime
DASH AS SH4
PRELOADING2
NETWORKING0
HWCLOCK2
REORDERING2
PARALLEL4


On the other side, while trying them together we get:









hotspotTest#1Test#2Test#3Test#4Test#5Test#6
INSSERVXXXXX
DASHXXXXXX
NETWORKINGXXX
HWCLOCKXXX
PRELOADXXXXX
PARALLELXXXX
time improve466664

Comments:
#2 and #5 are the same?
 
Is it all that unexpected?

When you go parallel, networking affects the boot much less since other things get to start in parallel anyway. I guess HWCLOCK is similar.
 
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