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MaxParallelTasks

Parameter MaxParallelTasks defines the maximum number of parallel tasks for the DCV runtime.

JSON Structure

Location in template:

CaptureVisionTemplates[i]
    └── MaxParallelTasks

Parent object: CaptureVisionTemplate object

Example:

{
    "MaxParallelTasks":4
}

• This snippet shows only the MaxParallelTasks parameter.
• To use it, embed this parameter within a CaptureVisionTemplate object.
• For the complete JSON structure, see:
  • Full JSON Structure
  • Minimal Valid JSON

Parameter Details

Behavior

• Each DLR/DDN task occupies one thread slot.
• For DBR tasks, each localization work and each decoding work occupies one thread slot.
• When MaxParallelTasks <= 1, DBR runs in single-threaded mode.

In single-threaded mode for DBR, processing is executed in sequence:

1. Complete one LocalizationMode and produce localized barcode regions.
2. Apply all configured DeblurModes to each localized barcode region.
3. Continue with the next LocalizationMode.

Remarks

• Updated semantic definition from “maximum parallel tasks” to “maximum concurrent thread slots in the CVR thread pool” in version 3.6.1000.