Layerfile Reference
SPLIT

SPLIT [n]

The SPLIT instruction causes the runner to duplicate its entire state a number of times at a specific point. Each copy of the runner will have SPLIT and SPLIT_NUM environment variables automatically set. The former will be the index of the runner, and the latter will be the number of copies.

SPLIT UNORDERED [n]

The SPLIT UNORDERED instruction behaves the same as the SPLIT instruction without setting the SPLIT environment variable allowing all split runners to have the same environment.

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Examples

  • Use SPLIT 3 and three copies of the runner will have ENV SPLIT=0 SPLIT_NUM=3 and ENV SPLIT=1 SPLIT_NUM=3 and so on.

  • Use SPLIT UNORDERED 3 and three copies of the runner will have ENV SPLIT_NUM=3.