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Full Discussion: How much better performance is ultra SPARC IV+ 1.95GHz than 1.35GHz?
Operating Systems Solaris How much better performance is ultra SPARC IV+ 1.95GHz than 1.35GHz? Post 302324951 by jlliagre on Friday 12th of June 2009 09:24:08 AM
Old 06-12-2009
I'm not aware of 1.35 Ghz UltraSPARC IV+.
If you mean UltraSPARC IV+ at 1.5 Mhz, I would expect a gain ranging from ~0% if the application isn't CPU bounded to ~30% if it is.
If the older CPU is actually an UltraSPARC IV at 1.35 Ghz, the gain might be larger than 45% as the newer CPU has several architecture enhancements including the support of a four level and larger internal cache.
 

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LEARN ABOUT OPENSOLARIS

wbsd

wbsd(7D)							      Devices								  wbsd(7D)

NAME

       wbsd - Winbond W83L519D Secure Digital slot driver

SYNOPSIS

       pciclass,080500@unit-address
       pciclass,080501@unit-address

DESCRIPTION

       The wbsd driver supports Secure Digital (SD) media slots found on Tadpole SPARCLE, Tadpole Viper and Sun Ultra 3 mobile SPARC workstations.

FILES

       Memory  card  device  files  are created by the sdcard(7D) driver. An attachment point device file is created for each physical slot on the
       system:

       /dev/sdcardx/y

	   Attachment point for slot y on controller x.  Typically this is named /dev/sdcard0/0.

       /kernel/misc/sparcv9/sdhost

	   64-bit ELF kernel module (SPARC).

ATTRIBUTES

       See attributes(5) for a description of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |SPARC			   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWwbsd			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cfgadm_sdcard(1M), attributes(5), sda(7D), sdcard(7D)

       System Administration Guide, Volume I

       System Administration Guide: Basic Administration

SunOS 5.11							    28 Feb 2008 							  wbsd(7D)
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