Parallel Processing in Java

1. Via FREngine API

Process the document using the FRDocument object with MultiProcessingMode = MPM_Sequential or MultiProcessingMode = MPM_Auto (you can find out more about parallel processing in "Help" → "Guided Tour" → "Advanced Techniques" → "Parallel Processing").

2. Other ways

2.1. Process  (analyze, recognize, synthesize, export) each document in a separate process.

The number of processes: the same as the number of processor cores. [The number of processes cannot exceed the number of processor cores.]

Engine loading: you can use all of the engine loading methods described in "Help" → "Guided Tour"  → "Advanced Techniques" → "Programming Aspects" → "Different Ways" to Load Engine.

2.2. Process each document in a single thread.

Engine loading: every thread should create its own OutprocLoader for working with FREngine.

Using several InprocLoaders in a single process and using one OutprocLoader in different threads do not lead to parallel processing.

It is better to use FRDocument object with MultiProcessingMode = MPM_Sequential for the methods described in 2.1 and 2.2.

You can find other ways to increase processing speed in "Help" → "Guided Tour" → "Best Practices" → "Increasing Processing Speed".

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