Paul Rubin wrote:
Robin Becker <ro...@reportlab.com> writes:
so it looks like the vmware emulated system is much faster. Is it the
x64 working faster at its design sizes or perhaps the compiler or
could it be the vmware system caching all writes etc etc? For the red
hat x64 build the only special configuration was to use ucs2
You have to control all these variables separately in order to know.
But, 64 bit code is in general faster than 32 bit code when properly
compiled: more cpu registers, wider moves when copying large blocks of
data, floating point registers instead of the legacy stack-oriented
FPU, etc.
I tried looking at the cpu usage whilst running these and by eye it
seemed that the host system was running more parallel stuff than the
vmware vm.
--
Robin Becker
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