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update ARTIQ-8 release notes
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@ -8,41 +8,76 @@ ARTIQ-8 (Unreleased)
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Highlights:
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* Hardware support:
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* New hardware support:
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- Support for Shuttler, a 16-channel 125MSPS DAC card intended for ion transport.
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Waveform generator and user API are similar to the NIST PDQ.
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- Implemented Phaser-servo. This requires recent gateware on Phaser.
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- Implemented Phaser-MIQRO support. This requires the Phaser MIQRO gateware
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variant.
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- Almazny v1.2 with finer RF switch control.
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- Metlino and Sayma support has been dropped due to complications with synchronous RTIO clocking.
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- More user LEDs are exposed to RTIO on Kasli.
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- Implemented Phaser-MIQRO support. This requires the proprietary Phaser MIQRO gateware
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variant from QUARTIQ.
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- Sampler: fixed ADC MU to Volt conversion factor for Sampler v2.2+.
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For earlier hardware versions, specify the hardware version in the device
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database file (e.g. ``"hw_rev": "v2.1"``) to use the correct conversion factor.
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- Almazny v1.2. It is incompatible with the legacy versions and is the default. To use legacy
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versions, specify ``almazny_hw_rev`` in the JSON description.
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- Metlino and Sayma support has been dropped due to complications with synchronous RTIO clocking.
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* Support for distributed DMA, where DMA is run directly on satellites for corresponding
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RTIO events, increasing bandwidth in scenarios with heavy satellite usage.
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* Support for subkernels, where kernels are run on satellite device CPUs to offload some
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of the processing and RTIO operations.
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* CPU (on softcore platforms) and AXI bus (on Zynq) are now clocked synchronously with the RTIO
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clock, to facilitate implementation of local processing on DRTIO satellites, and to slightly
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reduce RTIO latency.
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* MSYS2 packaging for Windows, which replaces Conda. Conda packages are still available to
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support legacy installations, but may be removed in a future release.
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* Added channel names to RTIO errors.
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* Full Python 3.10 support.
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* Python's built-in types (such as `float`, or `List[...]`) can now be used in type annotations on
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kernel functions.
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* Distributed DMA is now supported, allowing DMA to be run directly on satellites for corresponding
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RTIO events, increasing bandwidth in scenarios with heavy satellite usage.
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* Subkernels are now supported, allowing running kernels on satellite devices, offloading some
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of the processing, and RTIO events.
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* Applet Request Interfaces have been implemented, enabling applets to directly modify datasets
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and temporarily set arguments in the dashboard.
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* EntryArea widget has been implemented, allowing argument entry widgets to be used in applets.
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* Dashboard:
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* Support for DRTIO-over-EEM, used with Shuttler.
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* Added channel names to RTIO error messages.
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* GUI:
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- Implemented Applet Request Interfaces which allow applets to modify datasets and set the
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current values of widgets in the dashboard's experiment windows.
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- Implemented a new EntryArea widget which allows argument entry widgets to be used in applets.
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- The "Close all applets" command (shortcut: Ctrl-Alt-W) now ignores docked applets,
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making it a convenient way to clean up after exploratory work without destroying a
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carefully arranged default workspace.
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- Hotkeys now organize experiment windows in the order they were last interacted with:
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+ CTRL+SHIFT+T tiles experiment windows
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+ CTRL+SHIFT+C cascades experiment windows
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* Persistent datasets are now stored in a LMDB database for improved performance. PYON databases can
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be converted with the script below.
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* Persistent datasets are now stored in a LMDB database for improved performance.
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* Python's built-in types (such as ``float``, or ``List[...]``) can now be used in type annotations on
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kernel functions.
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* Full Python 3.10 support.
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* MSYS2 packaging for Windows, which replaces Conda. Conda packages are still available to
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support legacy installations, but may be removed in a future release.
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Breaking changes:
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* ``SimpleApplet`` now calls widget constructors with an additional ``ctl`` parameter for control
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operations, which includes dataset operations. It can be ignored if not needed. For an example usage,
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refer to the ``big_number.py`` applet.
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* ``SimpleApplet`` and ``TitleApplet`` now call ``data_changed`` with additional parameters. Derived applets
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should change the function signature as below:
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::
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# SimpleApplet
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def data_changed(self, value, metadata, persist, mods)
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# SimpleApplet (old version)
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def data_changed(self, data, mods)
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# TitleApplet
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def data_changed(self, value, metadata, persist, mods, title)
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# TitleApplet (old version)
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def data_changed(self, data, mods, title)
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Accesses to the data argument should be replaced as below:
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::
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data[key][0] ==> persist[key]
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data[key][1] ==> value[key]
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* The ``ndecimals`` parameter in ``NumberValue`` and ``Scannable`` has been renamed to ``precision``.
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Parameters after and including ``scale`` in both constructors are now keyword-only.
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Refer to the updated ``no_hardware/arguments_demo.py`` example for current usage.
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* Almazny v1.2 is incompatible with the legacy versions and is the default.
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To use legacy versions, specify ``almazny_hw_rev`` in the JSON description.
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* Legacy PYON databases should be converted to LMDB with the script below:
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::
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@ -56,37 +91,6 @@ Highlights:
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txn.put(key.encode(), pyon.encode((value, {})).encode())
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new.close()
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Breaking changes:
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* ``SimpleApplet`` now calls widget constructors with an additional ``ctl`` parameter for control
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operations, which includes dataset operations. It can be ignored if not needed. For an example usage,
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refer to the ``big_number.py`` applet.
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* ``SimpleApplet`` and ``TitleApplet`` now call ``data_changed`` with additional parameters. Wrapped widgets
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should refactor the function signature as seen below:
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::
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# SimpleApplet
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def data_changed(self, value, metadata, persist, mods)
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# SimpleApplet (old version)
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def data_changed(self, data, mods)
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# TitleApplet
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def data_changed(self, value, metadata, persist, mods, title)
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# TitleApplet (old version)
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def data_changed(self, data, mods, title)
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Old syntax should be replaced with the form shown on the right.
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::
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data[key][0] ==> persist[key]
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data[key][1] ==> value[key]
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data[key][2] ==> metadata[key]
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* The ``ndecimals`` parameter in ``NumberValue`` and ``Scannable`` has been renamed to ``precision``.
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Parameters after and including ``scale`` in both constructors are now keyword-only.
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Refer to the updated ``no_hardware/arguments_demo.py`` example for current usage.
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* ``artiq_ddb_template`` requires latest generic Kasli gateware to function properly
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due to RTIO channel renumbering.
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ARTIQ-7
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-------
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