goog.pubsub.PubSub Performance Tests

User-agent:

Compares the performance of the event system (goog.events.*) with the goog.pubsub.PubSub class.

The baseline test creates 1000 event targets and 1000 objects that handle events dispatched by the event targets, and has each event target dispatch 2 events 5 times each.

The single-PubSub test creates 1000 publishers, 1000 subscribers, and a single pubsub channel. Each subscriber subscribes to topics on the same pubsub channel. Each publisher publishes 5 messages to 2 topics each via the pubsub channel.

The multi-PubSub test creates 1000 publishers that are subclasses of goog.pubsub.PubSub and 1000 subscribers. Each subscriber subscribes to its own publisher. Each publisher publishes 5 messages to 2 topics each via its own pubsub channel.

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