Hello Dana, thank you for the response. The patch you mention would be great
(j.rowe_AT_questintegrity.com).
Also, I'm not sure if you can help, but I am having problems building hdf5 with
zlib. I am using cmake and have added
HDF5_ALLOW_EXTERNAL_SUPPORT = TGZ
TGZPATH = {my path to Zlib.tar.gz}
ZLIB_TGZ_NAME = Zlib.tar.gz
ZLIB_USE_EXTERNAL = true
CMake Error at CMakeFilters.cmake:66 (MESSAGE):
ZLib is Required for ZLib support in HDF5
Call Stack (most recent call first):
CMakeLists.txt:688 (INCLUDE)
Looking at the script it appears to be unable to find my zlib package.
Warm Regards,
Jim
From: Hdf-forum [mailto:[email protected]] On Behalf Of Dana
Robinson
Sent: Monday, February 3, 2014 10:40 AM
To: HDF Users Discussion List
Subject: Re: [Hdf-forum] thread safety binaries?
Hi Jim,
From: Hdf-forum [mailto:[email protected]] On Behalf Of
Rowe, Jim
Sent: Monday, February 03, 2014 12:06 PM
To: [email protected]<mailto:[email protected]>
Subject: [Hdf-forum] thread safety binaries?
Hello- I am trying to use HDF5 in a multi-threaded app and running into many
issues.
1) Are winx86/x64 binaries available that have been built with the
H5_HAVE_THREADSAFE compile flags?
[Dana Robinson]
We do not supply thread-safe binaries. You'll have to build them yourself,
which is not that difficult to do with CMake + Visual Studio.
2) Any gotchas/tips for using hdf5 in a multi-threaded app?
[Dana Robinson]
You may have some performance degradation due to the giant mutex we use to
protect the library. There's also a small memory leak in the Windows version
due to some thread-local storage not being freed. I can send you a patch for
that and the fix will be in the May HDF5 1.8.13 release.
Other than that, the thread-safe library behaves identically to the regular
library.
3) Any reason the "threadsafe" binaries would not work with the dot net
wrappers?
[Dana Robinson]
I would imagine that it would work, but I have not tried this. The .NET
wrappers simply invoke the HDF5 API calls, so they don't do anything
complicated, and .NET uses Win32 threads under the hood so I'd imagine that our
thread-local storage wouldn't have issues.
Cheers,
Dana
Thanks in advance!
Warm Regards,
Jim
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