Severe regression in wine startup latencies
Daniel Verkamp
daniel at drv.nu
Sat Aug 27 20:11:59 CDT 2011
On Sat, Aug 27, 2011 at 5:22 PM, Alan W. Irwin
<irwin at beluga.phys.uvic.ca> wrote:
[...]
> bash.exe-3.1$ which echo
> /z/home/wine/newstart1/MinGW/msys/1.0/bin/echo.exe
>
> bash.exe-3.1$ time echo "hello"
> hello
>
> real 0m0.000s
> user 0m0.000s
> sys 0m0.000s
>
> This shows there is at least one command (echo) available under wine
> that executes with essentially zero latency. So the problem cannot be
> the time wine takes to read the executable file
> (/z/home/wine/newstart1/MinGW/msys/1.0/bin/echo.exe in this case). But
> the rest of the commands I tried had latencies near 1 second. (I only
> report the second run in each case to make sure as much as possible is
> cached in memory for maximum speed.)
Aside from any actual slowdown, this test is not accurate - echo is a
shell builtin. Try timing running the actual echo executable (with
full path) rather than just "echo" (which will run the builtin).
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