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  1. HDF5 Data Flow Pipeline for H5Dread

    This document describes the HDF5 library’s data movement and processing activities when H5Dread is called for a dataset with chunked storage. The document … , datatype conversions, and value transformations, or who are concerned with performance tuning and memory management, in the context of H5Dread. Contents 1
    HDF5Aug 30, 2017
  2. When you specify memspace and filespace for H5Dwrite and H5Dread does it mean allocating memory for both the dataset and memory space (i.e. twice the size of dataset)?

    No, memspace is just a description of the buffer in memory (i.e. where read elements will go). If there is no data conversion, then we read directly into the user supplied buffer. If there is data conversion, we use a 1MB buffer to do the conversions, but we still use the user's buffer for reading data in the first pla
    HDF Knowledge BaseDec 14, 2017
  3. DataFlow_H5Dread.pdf

    DRAFT Page 1 of 13 Last modified: 29 December 2010 HDF5 Data Flow Pipeline for H5Dread This document describes the HDF5 library’s data movement and processing activities when H5Dread is called for a dataset with chunked storage. The document provides an overview of how memory management, filter operations, datatype
    HDF5 / … / Advanced Topics in HDF5Aug 22, 2017
  4. PROC0BCAST-RFC-10-8-18.pdf

    an additional transfer property option which, when set for H5Dread, would have one process read the data from disk, and then broadcast the data to the remaining … Page 2 of 7 Total read size is 329K. 1.2 Benchmark Findings Within cgpopen, the majority of the time is spent in ADFHReadAllData: if (H5Dread(did, mid, H5SALL
    HDF5 / … / Parallel Library Change (RFC)Mar 06, 2019
  5. PROC0BCAST-RFC-10-8-18.pdf

    an additional transfer property option which, when set for H5Dread, would have one process read the data from disk, and then broadcast the data to the remaining … Page 2 of 7 Total read size is 329K. 1.2 Benchmark Findings Within cgpopen, the majority of the time is spent in ADFHReadAllData: if (H5Dread(did, mid, H5SALL
    HDF5 / … / New Features in HDF5 Release 1.10Mar 06, 2019
  6. RFC-references-2018-07-12-v8.pdf

    and retrieved from a file by invoking the H5Dwrite() and H5Dread() functions with the following single predefined type: Page 7 of 31 October 16, 2019 RFCTHG20180712.v8 … .h5" / 55 file2 = H5Fopen(H5FILENAME2, H5FACCRDONLY, H5PDEFAULT); 56 dset2 = H5Dopen2(file2, "references", H5PDEFAULT); 57 H5Dread(dset2, H5TSTDREF, H5SALL
    HDF5 / … / Update to ReferencesDec 05, 2019
  7. Users_Guide.docx

    June 2019 HDF5 User’s Guide Page  PAGE MERGEFORMAT 55 HDF5 User’s Guide HDF5 Release 1.10 Copyright Notice and License Terms See the  HYPERLINK "https://www.hdfgroup.org/licenses" Copyright Notices page on The HDF Group  HYPERLINK "https://www.hdfgroup.org/" web site for the HDF5 Copyright Notice and Licensing
    HDF5 / … / HDF5 User's GuideNov 25, 2019
  8. Users_Guide.pdf

    June 2019 HDF5 User’s Guide Page 1 HDF5 User’s Guide HDF5 Release 1.10 June 2019 HDF5 User’s Guide Page 2 Copyright Notice and License Terms See the Copyright Notices page on The HDF Group web site for the HDF5 Copyright Notice and Licensing Terms. This information can also be found in the COPYING file in the top direc
    HDF5 / … / HDF5 User's GuideNov 25, 2019
  9. RFC-references-2018-07-12-v7.pdf

    nbytes, hreft refptr); Page 7 of 32 August 15, 2019 RFCTHG20180712.v7 References can be stored and retrieved from a file by invoking the H5Dwrite() and H5Dread … file2 = H5Fopen("file2.h5", H5FACCRDONLY, H5PDEFAULT); 49 dset2 = H5Dopen2(file2, "references", H5PDEFAULT); 50 H5Dread(dset2, H5TSTDREF, H5SALL, H5SALL
    HDF5 / … / Update to HDF5 References API RFCAug 19, 2019
  10. RFC-references-2018-07-12-v8.pdf

    and retrieved from a file by invoking the H5Dwrite() and H5Dread() functions with the following single predefined type: Page 7 of 31 October 16, 2019 RFCTHG20180712.v8 … .h5" / 55 file2 = H5Fopen(H5FILENAME2, H5FACCRDONLY, H5PDEFAULT); 56 dset2 = H5Dopen2(file2, "references", H5PDEFAULT); 57 H5Dread(dset2, H5TSTDREF, H5SALL
    HDF5 / … / Update to HDF5 References API RFCOct 18, 2019