[Xastir] OT: Why I haven't been working on Xastir much this year.

[Tate B]

Way cool Tom and thanks for sharing!!

I'm eager to give this a go - at the very least, I may learn something.

73


On Tue, Nov 5, 2013 at 8:26 AM, Tom Russo <russo at bogodyn.org> wrote:

> I don't know how many folks on this list ever do any circuit simulation,
> but since my last year has been totally focused on getting this release
> out,
> I'm going to post this here.
>
> --------
> Announcing the Open Source Release of Xyce 6.0
>
> November 5, 2013 -  Xyce, Sandia National Laboratories' SPICE-compatible
> parallel circuit simulator, is available for free public download for the
> first time.  Xyce has been developed internally at Sandia National
> Laboratories and funded by the National Nuclear Security Administration's
> Advanced Strategic Computing (ASC) Program.  By open-sourcing Xyce, the
> code
> team hopes to foster external collaborations and solicit feedback from the
> simulation community.
>
> Parallel Implementation
> Xyce was designed as a parallel simulation code.  Primarily, the
> parallelism
> is based around a message-passing implementation (MPI).  Parallel scaling
> is very problem-specific, but for certain problems Xyce has shown
> scalability
> out to hundreds of processes.
>
> Xyce is not SPICE
> One of the goals of the Xyce development team has been for Xyce to be
> SPICE-compatible.  However, Xyce is not a derivative of SPICE.  It was
> designed and written from scratch.
>
> Device Model Support
> As a SPICE-compatible tool, Xyce supports a canonical set of compact
> models,
> including the various BSIMs, PSP, VBIC and FBH.  Additionally, a large
> number
> non-traditional models are implemented, which support neuron simulation and
> reaction networks.  Behavioral modeling is supported by a powerful
> expression
> library, and Verilog-A models can be incorporated with a model compiler.
>
> Analysis options
> As a SPICE-compatible tool, Xyce supports standard analysis methods such as
> steady-state(DCOP), transient(TRAN), and small-signal frequency domain
> (AC).
> A number of more exotic analysis methods have also been implemented,
> including
> Harmonic Balance (HB), Multi-Time PDE (MPDE), and model-order reduction
> methods (MOR).
>
> Solvers
> Xyce uses the Trilinos solver library, an open-source solver library also
> under development at Sandia.  Trilinos is an effort to develop and
> implement
> robust algorithms and enabling technologies using modern object-oriented
> software design, while still leveraging the value of established libraries
> such as PETSc, Metis/ParMetis, SuperLU, Aztec, the BLAS and LAPACK.  In
> addition, a number of circuit-specific solvers have been developed for
> Xyce,
> specifically, including the KLU direct solver.
>
> C++ code design
> Similar to Trilinos, Xyce is written in C++, with modular, flexible design
> as
> a goal.  Where appropriate, Xyce applies abstract interfaces to enable easy
> development of different analysis types, solvers and models.
>
> Portability
> Xyce is supported on Unix-like operating systems such as Linux and OS X,
> and
> on Windows.
>
> Opportunities
> The goal of the Xyce development team is to seek new opportunities and
> solicit
> feedback.  Our experience has been that new collaborators, new benchmarks
> and
> external feedback can be a valuable starting point for code improvements.
>
> Open Source
> Xyce is available under the open-source license GPL version 3.0.
>
> Download
> For more information about Xyce, and to download the code, visit the new
> Xyce
> Home Page at http://xyce.sandia.gov.
>
> Sandia National Laboratories is a multi-program laboratory managed and
> operated
> by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin
> Corporation,
> for the U.S. Department of Energy's National Nuclear Security
> Administration
> under contract DE-AC04-94AL85000.
> -------
>
> --
> Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
> Tijeras, NM  QRPL#1592 K2#398  SOC#236
> http://kevan.org/brain.cgi?DDTNM
>  echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z]
> [n-z][a-m]
>
>
>
>
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>



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