Release notes

This page contains the release notes for Jet.

Release 0.2.2 (current release)

New features since last release

• The Tensor class now has a public function for replacing its data. (#68)

Improvements

• Python wheels are now built in CI for Linux and MacOS. (#65)

• Python source files are now linted using PyLint. (#64)

• The XIR Python package is now installed from PyPI. (#69)

• A requirements.txt file is now included in the python/ directory. (#69)

• The Jet XIR manifest now declares the outputs supported by Jet. (#69)

Breaking Changes

• The get_xir_library() Python function has been renamed to get_xir_manifest(). (#69)

Bug Fixes

• The CudaTensor class now accepts a data vector by reference in its constructor. (#68)

Documentation

• The Tensor::GetValue() and Tensor::SetValue() Doxygen comments now use LaTeX formulas. (#68)

• The pip install instructions no longer reference a missing PyPI package. (#66)

• References to the XIR are now hyperlinked to the XIR documentation. (#69)

Contributors

This release contains contributions from (in alphabetical order):

Mikhail Andrenkov, Jack Brown.

Release 0.2.1 (current release)

New features since last release

• The Jet interpreter for XIR scripts now supports an expval output. (#49)

Improvements

• The CudaTensor class no longer includes Taskflow headers. (#56)

Bug Fixes

• The paper benchmarks now fetch the Jet repository at tag “0.2.1”. (#62)

Documentation

• Links to the Jet paper are now included in the README and Sphinx documentation. (#59)

• The CudaScopedDevice documentation is now consistent with other classes in Jet. (#59)

• The documentation section of the development guide now lists system dependencies. (#52)

• Static versions of jQuery and Bootstrap are no longer included in the CSS theme. (#52)

• Read the Docs is now configured to build the Sphinx documentation. (#51)

Contributors

This release contains contributions from (in alphabetical order):

Mikhail Andrenkov, Trevor Vincent.

Release 0.2.0 (current release)

New features since last release

• The Jet interpreter for XIR scripts now accepts a dimension option for CV circuits. (#47)

• The Jet interpreter for XIR programs now supports a probabilities output. (#44)

• The Circuit class now supports taking the expected value of an observable. (#46)

• The Jet interpreter for XIR scripts now handles gate definitions. (#37)

• Full and sliced contractions can now be run with TaskBasedContractoron the GPU using the CudaTensor class. (#29)

• CudaTensor now supports Transpose calls. (#42)

• Full and sliced contractions can now be run with TaskBasedContractor on the GPU using the CudaTensor class. (#29)

• The TaskBasedCpuContractor class has been renamed to TaskBasedContractor. (#29)

• An XIRProgram which declares the gates supported by Jet is now bundled with the jet Python package. (#34)

• The jet Python package now includes an interpreter for XIR programs. (#24)

• Gates may now be instantiated by name using the GateFactory Python class. (#23)

• Quantum circuit and state models have been added to the jet Python package. (#21)

• Quantum gate models have been added to the jet Python package. (#16)

• Python bindings are now available for the TaskBasedCpuContractor class. (#19)

• Python bindings now include a factory method which accepts a dtype parameter. (#18)

• Running make build from the python directory now creates a Python distribution package. (#13)

• A new intermediate representation (IR) is added, including a parser, IR representation program, and a Strawberry Fields interface. (#11)

• Python bindings are now available for the TensorNetworkSerializer class. (#5)

• Python bindings are now available for the TensorNetwork and PathInfo classes (#7)

• Python bindings are now available for the Tensor class. (#2)

• Running CMake with -DBUILD_PYTHON=ON now generates Python bindings within a jet package. (#1)

Improvements

• The Jet interpreter for XIR programs now uses the task-based contractor. (#44)

• CudaTensor SliceIndex calls now avoid intermediate CPU transfer operations. (#42)

• A Python (Ubuntu) test report is now generated alongside the C++ (Ubuntu) test report. (#39)

• Tensor transposes are now significantly faster when all the dimensions are powers of two. (#12)

• Use camel case for type aliases. (#17)

• Exceptions are now favoured in place of std::terminate with Exception being the new base type for all exceptions thrown by Jet. (#3)

• TaskBasedCpuContractor now stores Tensor results. (#8)

• Tensor class now checks data type at compile-time. (#4)

Breaking Changes

• The Jet interpreter for XIR scripts now requires an amplitude state to be specified as an array. (#45)

• The Jet interpreter for XIR scripts is now case-sensitive with respect to gate names. (#36)

• Python bindings for complex<float> and complex<double> specializations are now suffixed with C64 and C128, respectively. (#15)

• Indices are now specified in row-major order. (#10)

Bug Fixes

• The Jet and XIR Python packages can now be installed from a source distribution. (#38)

• An issue with the CudaTensor indices was fixed when converting between the CPU Tensor class. (#29)

• The Jet versions returned by Jet::Version() (C++) and jet.Version() (Python) are now correct. (#26)

• The documentation build no longer emits any Doxygen warnings. (#25)

• Running make build in the python directory now correctly uses the virtual environment. (#31)

• The output of TensorNetwork::Contract() and TaskBasedCpuContractor::Contract() now agree with external packages. (#12)

• TaskBasedCpuContractor::AddReductionTask() now handles the reduction of non-scalar tensors. (#19)

• The output of TensorNetwork::Contract() and TaskBasedCpuContractor::Contract() now agree with one another. (#6)

• PathInfo now correctly names intermediary tensors in a sliced tensor network (#22).

Documentation

• The “Using Jet” section of the Sphinx documentation now has Python code snippets. (#43)

• The Sphinx documentation now includes API documentation for the jet Python package. (#40)

• The “Using Jet” section of the Sphinx documentation website now compiles with the latest Jet headers. (#26)

• The license comment headers at the top of the IR source files have been removed. (#14)

Contributors

This release contains contributions from (in alphabetical order):

Mikhail Andrenkov, Jack Brown, Theodor Isacsson, Josh Izaac, Lee J. O’Riordan, Antal Száva, Trevor Vincent.

Release 0.1.0 (current release)

New features since last release

• This is the initial public release.

Contributors

This release contains contributions from (in alphabetical order):

Mikhail Andrenkov, Jack Brown, Lee J. O’Riordan, Trevor Vincent.

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