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A leading-edge control system for quantum information experiments
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whitequark f59fd8faec llvm_ir_generator: do not use 'coldcc' calling convention.
First, this calling convention doesn't actually exist in OR1K
and trying to use it in Asserts build causes an UNREACHABLE.

Second, I tried to introduce it and it does not appear to produce
any measurable benefit: not only OR1K has a ton of CSRs but also
it is quite hard, if not realistically impossible, to produce
the kind of register pressure that would be relieved by sparing
a few more CSRs for our exception raising function calls, since
temporaries don't have to be preserved before a noreturn call
and spilling over ten registers across an exceptional edge
is not something that the code we care about would do.

Third, it produces measurable drawbacks: it inflates code size
of check:* functions by adding spills. Of course, this could be
alleviated by making __artiq_raise coldcc as well, but what's
the point anyway?
2016-04-14 18:07:35 +08:00
artiq llvm_ir_generator: do not use 'coldcc' calling convention. 2016-04-14 18:07:35 +08:00
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README.rst

.. Always keep doc/manual/introduction.rst synchronized with this file, with the exception of the logo.

.. image:: doc/logo/artiq.png

ARTIQ (Advanced Real-Time Infrastructure for Quantum physics) is the next-generation control system for quantum information experiments.
It is developed by `M-Labs <https://m-labs.hk>`_ for and in partnership with the `Ion Storage Group at NIST <http://www.nist.gov/pml/div688/grp10/index.cfm>`_ as free software.
It is offered to the entire research community as a solution equally applicable to other challenging control tasks outside the field of ion trapping.

The system features a high-level programming language that helps describing complex experiments, which is compiled and executed on dedicated hardware with nanosecond timing resolution and sub-microsecond latency. It includes graphical user interfaces to parametrize and schedule experiments and to visualize and explore the results.

ARTIQ uses FPGA hardware to perform its time-critical tasks.
It is designed to be portable to hardware platforms from different vendors and FPGA manufacturers.
Currently, one configuration of a `low-cost open hardware FPGA board <http://pipistrello.saanlima.com/>`_ and several different configurations of a `high-end FPGA evaluation kit <http://www.xilinx.com/products/boards-and-kits/ek-k7-kc705-g.html>`_ are used and supported.
Any of these FPGA platforms can be combined with any number of additional peripherals, either already accessible from ARTIQ or made accessible with little effort.

Custom hardware components with widely extended capabilities and advanced support for scalable and fully distributed real-time control of experiments `are being designed <https://github.com/m-labs/artiq-hardware>`_.

ARTIQ and its dependencies are available in the form of `conda packages <https://conda.anaconda.org/m-labs/label/main>`_ for both Linux and Windows.
Packages containing pre-compiled binary images to be loaded onto the hardware platforms are supplied for each configuration.
Like any open source software ARTIQ can equally be built and installed directly from `source <https://github.com/m-labs/artiq>`_.

ARTIQ is supported by M-Labs and developed openly.
Components, features, fixes, improvements, and extensions are funded by and developed for the partnering research groups.

Technologies employed include `Python <https://www.python.org/>`_, `Migen <https://github.com/m-labs/migen>`_, `MiSoC <https://github.com/m-labs/misoc>`_/`mor1kx <https://github.com/openrisc/mor1kx>`_, `LLVM <http://llvm.org/>`_/`llvmlite <https://github.com/numba/llvmlite>`_, and `Qt5 <http://www.qt.io/>`_.

Website: https://m-labs.hk/artiq

Copyright (C) 2014-2016 M-Labs Limited. Licensed under GNU GPL version 3.