hdf5 | library aims to provide an abstraction of the hdf5 file | Performance Testing library

 by   jsharpe C++ Version: Current License: BSL-1.0

kandi X-RAY | hdf5 Summary

kandi X-RAY | hdf5 Summary

hdf5 is a C++ library typically used in Testing, Performance Testing applications. hdf5 has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

This library aims to provide an abstraction of the hdf5 file format for c++ code. It aims to reduce the number of explicit calls to the hdf5 APIs by using the c++ type system to automatically construct the appropriate datatypes. The library is a header only library so no compilation is required. Requirements: hdf5 1.6 or greater mpi-io if parallel io support is required Boost 1.37 or greater. #include #include #include . int main() { hdf::HDFFile<> file("test.h5", hdf::HDFFile<>::truncate); std::vector data(100,1.0); std::shared_ptr<> > dataset = file.writeDataset ("doubledataset", data); }.
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              hdf5 has a low active ecosystem.
              It has 36 star(s) with 15 fork(s). There are 6 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 2 open issues and 0 have been closed. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of hdf5 is current.

            kandi-Quality Quality

              hdf5 has 0 bugs and 0 code smells.

            kandi-Security Security

              hdf5 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              hdf5 code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              hdf5 is licensed under the BSL-1.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              hdf5 releases are not available. You will need to build from source code and install.

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            hdf5 Key Features

            No Key Features are available at this moment for hdf5.

            hdf5 Examples and Code Snippets

            No Code Snippets are available at this moment for hdf5.

            Community Discussions

            QUESTION

            Build an adjacency matrix from distances between cosmological objects
            Asked 2022-Apr-11 at 03:17

            I'm probing into the Illustris API, and gathering information from a specific cosmos simulation, for a given redshift value.

            This is how I request the api:

            ...

            ANSWER

            Answered 2022-Apr-11 at 01:12

            QUESTION

            PIL.UnidentifiedImageError: cannot identify image file (when reading 4 band .tif image)
            Asked 2022-Mar-13 at 14:09

            I am working with .tif images. I try to read a .tif image in order to access it later on pixel level and read some values. The error that I get when using Pillow is this:

            ...

            ANSWER

            Answered 2022-Mar-13 at 14:09

            Your image is 4-channels of 32-bits each. PIL doesn’t support such images - see Available Modes here.

            I would suggest tifffile or OpenCV’s cv2.imread(…, cv2.IMREAD_UNCHANGED)

            Source https://stackoverflow.com/questions/71452363

            QUESTION

            Add datetime to HDF5 chunks with HDFql
            Asked 2022-Feb-26 at 07:44

            I have this code to write chunks of arrays to HDF5 and I want to add a timestamp attribute to each chunk or another field with a datetime

            ...

            ANSWER

            Answered 2022-Feb-26 at 07:44

            One way to have a timestamp associated to each chunk written in the HDF5 file is to have a compound dataset with two members: the first member stores the data itself while the second stores the timestamp (e.g. UNIX epoch time). Updating your code, this could look as follows:

            Source https://stackoverflow.com/questions/71214616

            QUESTION

            Error while installing TensorFlow with pip
            Asked 2022-Feb-25 at 21:58

            While I try to install TensorFlow I get this error :

            ...

            ANSWER

            Answered 2022-Feb-02 at 19:41

            I fix this by following Apple Developer Docs: https://developer.apple.com/metal/tensorflow-plugin/

            I uninstall Miniforge

            Source https://stackoverflow.com/questions/70956173

            QUESTION

            I'm trying to link hdf5 to c++ code (Mac)
            Asked 2022-Feb-16 at 02:14

            I have the files: main.cpp, tools.cpp, tools.h, integrator.cpp, and integrator.h.

            I have tried to link HDF5 to this code (it compiles/links just fine without hdf5 stuff).

            Here's what I am using to compile:

            ...

            ANSWER

            Answered 2022-Feb-16 at 02:14

            Maybe you want also link with -lhdf5_hl_cpp. If you had used cmake, as I suggested today, you would not have such issues.

            Source https://stackoverflow.com/questions/71135484

            QUESTION

            TensorFlow Model is throwing an Invalid Argument Error at the 1st Epoch
            Asked 2022-Feb-08 at 13:58

            I have a simple 2 layer Tensorflow model that I am trying to train on a dataset of equal-sized stereo audio files to tell me if the sound is coming more from the left side or the right side. This means the input is an array of 3072 by 2 arrays and the output is an array of 1's and 0's to represent left and right.

            The problem is that when I run the program, it fails at model.fit() with an invalid argument error.

            Code:

            ...

            ANSWER

            Answered 2022-Feb-07 at 17:16

            According to the documentation, the argument labels must be a batch_size vector with values in [0, num_classes) From your logs:

            Source https://stackoverflow.com/questions/71022413

            QUESTION

            TensorFlow Shape Error After Model is Already Trained
            Asked 2022-Feb-08 at 07:13

            I am training a TensorFlow RNN model using LSTM layers to determine if sound is coming more from the right or left in a stereo audio signal. The model training goes smoothly, then, once it is done training, I get an Invalid Argument Error as shown below. Does anyone know what could be causing this? I have tried fixing it using the solution to a similar question found here, but to no avail.

            I do not understand why it is expecting a tensor of shape [32,2]. Did I define that somewhere I am unaware of?

            Here is my code:

            ...

            ANSWER

            Answered 2022-Feb-08 at 07:13

            You get this error because you hard-coded the batch size in the first LSTM layer and the number of data samples is not evenly divisible by 100. You have to take care of the remainder somehow. I would recommend removing the batch size from the first layer and only entering the batch size in model.fit. This way your model will be able to handle the remaining smaller batch(es). Here is an example:

            Source https://stackoverflow.com/questions/71026580

            QUESTION

            Write Chunked data array to HDF5
            Asked 2022-Feb-07 at 10:20

            I have this code to write an array to Hdf5 with HDF5Sharp. But the problem is that I need the data to be written in chunks of 1 x 100 x 500 instead of 100k x 100 x 500 and I cannot figure out how to do it.

            ...

            ANSWER

            Answered 2022-Feb-07 at 10:20

            Not sure how this is done with the library you have indicated but with HDFql, a high-level language that abstracts you from low-level details of HDF5, your use-case can be solved as follows in C#:

            Source https://stackoverflow.com/questions/71002472

            QUESTION

            How reliable is the format of demangled names?
            Asked 2022-Jan-27 at 17:10

            I am working on a pretty dynamic C++ program which allows the user to define their own data structures which are then serialized in an output HDF5 data file. Instead of requiring the user to define a new HDF5 data type, I am "splitting" their data structures into HDF5 subgroups in which I store the different member variable data sets. I am interested in labeling the HDF5 group that has the subgroup members with the type of the data structure that was written to it so that future users of the data file will have more knowledge about how to use the data contained within it.

            All of this context gets me to my question in the title. How reliable are demangled names? The crux of the issue could be summarized with the following example (using boost to demangle as an example, not a necessity). If I use

            ...

            ANSWER

            Answered 2022-Jan-27 at 16:57

            The reliability of de-mangled names does not seem to be something that is well documented. For this reason, I am going to simply document the few tests that I've done on my x86_64 system allowing me to compare gcc and clang. These tests done through Compiler Explorer verifies that the returned strings for the same types are the same (including whitespace).

            Maybe if I start using this in my application, one of the users will find an issue and I can update this question with another answer down the line, but for now, I think it is safe(ish) to trust de-mangling.

            Source https://stackoverflow.com/questions/70839790

            QUESTION

            How to save long efficient_apriori.rules.Rule to pandas df
            Asked 2021-Dec-16 at 09:17

            I run association rules using efficient_apriori package in Python. I need to save results. My idea is:

            1. convert rules into pandas df
            2. save df to hdf5.

            Problem is that I have 4 bilions of rules. And following code crashes on signal 9: SIGKILL:

            ...

            ANSWER

            Answered 2021-Dec-16 at 09:17

            You can save your file in chunks instead of trying to save it all at once.

            Assuming you can slice rules as if it was a list,

            Source https://stackoverflow.com/questions/70376271

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install hdf5

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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          • HTTPS

            https://github.com/jsharpe/hdf5.git

          • CLI

            gh repo clone jsharpe/hdf5

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            git@github.com:jsharpe/hdf5.git

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