Hello, I'm working on a project for storing some scientific data with HDF5 in chunked datasets. Some days ago I decided to test with different settings for the chunk cache but there is no difference in the program performance. I have done the following: 1. I have created a test file containing one dataset with size of 10000x5000 and double data type. 2. In a separate application I open the file and after that I call H5Pset_cache with different parameters. 3. After reading N (i.e. 10000) times the data (i.e. 20x30, 50x50 or so) in random place in the dataset with different cache parameters there is no difference in the execution time.
I have checked the documentation and the h5pmem.c example and for now I can't figure what may be wrong. I will appreciate any help or examples retarding the chunk cache. Thanks in advance.
_______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org
