Re: svn commit: rev 3075 - trunk trunk/build

Philip Martin wrote:

>Ben Collins-Sussman <sussman@collab.net> writes:
>
>
>
>>brane@xbc.nu writes:
>>
>>
>>
>>>>I've got a Dell 340 running at 2.0 Ghz and it takes 48 minutes to run with
>>>>the debug build and 45 minutes to run with the release build.
>>>>
>>>>
>>>I have a 450 MHz PIII, with a terribly slow disk. Around 65 minutes for
>>>ra_local, and 120 minutes (two hours, ouch!) for ra_dav.
>>>
>>>
>>What a nightmare! On FreeBSD it only takes me about 20 mins, and
>>about 10-15 mins for Mike and Karl on Linux. (These are all 700mhz
>>machines with ordinary ide disks.) Is there *that* big a difference
>>in I/O between os'es? Maybe APR's I/O on win32 is really badly
>>implemented?
>>
>>
>
>Could it be process creation overhead? How good is Python at starting
>processes on Win32? Runing the testsuite creates thousands of svn
>client processes.
>

It's probably both. NT is notoriously slow about process creation
(because there's so much crud hung off a Windows process), and while
file I/O is quite fast, creating and opening files isn't. So ... i need
a sponsor for a 2-CPU box with hardware RAID ...

-- 
Brane Čibej   <brane_at_xbc.nu>   http://www.xbc.nu/brane/
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