当前位置: 首页>>代码示例>>Python>>正文


Python ClawPlotData._parallel_todo方法代码示例

本文整理汇总了Python中clawpack.visclaw.data.ClawPlotData._parallel_todo方法的典型用法代码示例。如果您正苦于以下问题:Python ClawPlotData._parallel_todo方法的具体用法?Python ClawPlotData._parallel_todo怎么用?Python ClawPlotData._parallel_todo使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在clawpack.visclaw.data.ClawPlotData的用法示例。


在下文中一共展示了ClawPlotData._parallel_todo方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: plotclaw

# 需要导入模块: from clawpack.visclaw.data import ClawPlotData [as 别名]
# 或者: from clawpack.visclaw.data.ClawPlotData import _parallel_todo [as 别名]
def plotclaw(outdir='.', plotdir='_plots', setplot = 'setplot.py',
             format='ascii', msgfile='', frames=None, verbose=False):
    """
    Create html and/or latex versions of plots.

    INPUT:
        setplot is a module containing a function setplot that will be called
                to set various plotting parameters.
        format specifies the format of the files output from Clawpack
    """

    from clawpack.visclaw.data import ClawPlotData
    from clawpack.visclaw import plotpages

    plotdata = ClawPlotData()
    plotdata.outdir = outdir
    plotdata.plotdir = plotdir
    plotdata.setplot = setplot
    plotdata.format = format
    plotdata.msgfile = msgfile


    frametools.call_setplot(plotdata.setplot, plotdata)


    if plotdata.num_procs is None:
        plotdata.num_procs = int(os.environ.get("OMP_NUM_THREADS", 1))

    # Make sure plotdata.parallel is False in some cases:


    if plotdata.parallel:
        assert type(setplot) in [str, bool, type(None)], \
                "*** Parallel plotting is not supported when ClawPlotData " \
                + "attribute setplot is a function."

    if plotdata.parallel and (plotdata.num_procs > 1):

        # If this is the original call then we need to split up the work and 
        # call this function again

        # First set up plotdir:

        plotdata._parallel_todo = 'initialize'
        plotpages.plotclaw_driver(plotdata, verbose=False, format=format)

        if frames is None:
            if plotdata.num_procs is None:
                plotdata.num_procs = int(os.environ.get("OMP_NUM_THREADS", 1))


            frames = [[] for n in xrange(plotdata.num_procs)]
            framenos = frametools.only_most_recent(plotdata.print_framenos,
                                                   outdir)

            # don't use more procs than frames or infinite loop!!
            num_procs = min(plotdata.num_procs, len(framenos))

            for (n, frame) in enumerate(framenos):
                frames[n%num_procs].append(frame)

            # Create subprocesses to work on each
            plotclaw_cmd = "python %s" % __file__
            process_queue = []
            for n in xrange(num_procs):
                plot_cmd = "%s %s %s %s" % (plotclaw_cmd, 
                                            outdir,
                                            plotdir, 
                                            setplot)
                plot_cmd = plot_cmd + " " + " ".join([str(i) for i in frames[n]])

                process_queue.append(subprocess.Popen(plot_cmd, shell=True))

            poll_interval = 5
            try:
                while len(process_queue) > 0:
                    time.sleep(poll_interval)
                    for process in process_queue:
                        if process.poll() is not None:
                            process_queue.remove(process)
                    if verbose:
                        print "Number of processes currently:",len(process_queue)
            
            # Stop child processes if interrupt was caught or something went 
            # wrong
            except KeyboardInterrupt:
                print "ABORTING: A keyboard interrupt was caught.  All " + \
                      "child processes will be terminated as well."
                for process in process_queue:
                    process.terminate()
                raise

            except:
                print "ERROR: An error occurred while waiting for " + \
                      "plotting processes to complete.  Aborting all " + \
                      "child processes."
                for process in process_queue:
                    process.terminate()
                raise 

#.........这里部分代码省略.........
开发者ID:donnaaboise,项目名称:visclaw,代码行数:103,代码来源:plotclaw.py


注:本文中的clawpack.visclaw.data.ClawPlotData._parallel_todo方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。