In the context of GIS, parallel processing is a programming paradigm used to speed up computationally intensive geoprocessing tasks by executing them over multiple CPU cores or threads.

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How can I parallelise embarrassingly parallel GIS operations in QGIS python?

A common requirement in GIS is to apply a processing tool to a number of files or apply a process for a number of features in one file to another file. Much of these operations are embarrassingly ...
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0answers
29 views

Sending commands into FGDB

I have a large .gdb of all blocks in the United States, available from Census. I would like to create a point shape file of all census tract centroids in the US. I have QGIS with FileGDB enabled, as ...
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161 views

Unserialize socklist error when using rasterEngine in r

Basically, I am running the "rasterEngine" function in R. I want to use parallelization to change values in a raster image (I have around 400 images that I need to work on). However, the rasterEngine ...
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1answer
274 views

How to do parallel queries in postgis [closed]

Is there any way to do queries in postgis using multiple cores in a transparent way, other than splitting my queries among several client connections ?
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0answers
104 views

Python scaling issues and possible subprocess conflicts?

I have always found such great analytical and programming expertise on StackExchange in the past that I hope you can help me. Background: I have a project that involves spatially joining and ...
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2answers
398 views

Parallel Computing and Raster Operations in ArcObjects gives cryptic error

This is a problem I have been struggling with for awhile. The code below takes 1-3 input feature layers (pFLayer) that were stored into a list called pFeatureLayerCollection, casts them into ...
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2answers
893 views

Execute multiple process in parallel of Arcpy script

I have seen some difficult ways to do parallel processing, but I wonder if it is possible to simply execute multiple process of the same ArcPy script at the same time. My script makes some changes to ...
5
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1answer
198 views

parallelization of raster mosaic

I would like to create a raster mosaic of the national USGS NED 30m DEM (~50 GB). I'd like to leverage parallel processing using python multiprocessing module where possible. I'm using ArcGIS 10.0. My ...
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1k views

Arcpy Parallel Processing Environment

I recently discovered the Parallel Processing environment setting in ArcGIS (this must be new to 10.1), however, there is no mention as to what tools are designed to utilize this environment setting. ...