From 5090dddcabda17e8eb26d60e3e69c7167a198263 Mon Sep 17 00:00:00 2001 From: Hendrik Boom Date: Fri, 11 Jan 2013 22:55:59 -0500 Subject: [PATCH] WIP: changes to intro.txt : rendering is graph processing --- doc/user/intro/intro.txt | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/doc/user/intro/intro.txt b/doc/user/intro/intro.txt index e5db1fbcf..2f04ca3d2 100755 --- a/doc/user/intro/intro.txt +++ b/doc/user/intro/intro.txt @@ -162,13 +162,13 @@ Rendering is Graph Processing ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Processing video (and audio) data can be conceived as a graph (more precisely -_directed acyclic graphs_). In this model of video processing, data flows +a _directed acyclic graph_). In this model of video processing, data flows along the edges of the graph and is processed at the nodes. The following figure depicts manipulating video data as a graph. The nodes of -the root of the graph is where data input occurs. From there, the data moves on -to the next nodes: the direct siblings of the root. Here, the video data -pre-processing occurs. All other operations on the data can be represented by +the ??root?? of the graph are where data input occurs. From there, the data moves on +to the next nodes: the direct siblings of the root. Here, the video data is +pre-processed. All other operations on the data can be represented by nodes, and data flows from one operation to the next along the nodes of the graph. @@ -205,9 +205,9 @@ the inputs. This scheme offers a number of advantages over the naive scheme. Don't waste work ~~~~~~~~~~~~~~~~ -Rendering A/V data can be computationally intensive. To relieve the core workload -by not rendering material twice or avoiding having to throw away material because -it could not be rendered in time, Lumiera employs a sophisticated means of using +Rendering A/V data can be computationally intensive. To avoid duplicated or wasted work and +ensure it is possible to render on time, +Lumiera employs a sophisticated means of using cache xref:caching[<-] and profiling xref:profiling[<-].