Your CI shouldnt take this long.

Run your test suites 20x faster.

DAGZ analyzes your code at high resolution to skip redundant tests and adapt parallelism to your workload.

Install in seconds; get full optimization by the second run.

Your CI: Before and After
Today with best practices40 min
+ Adaptive parallelism20 min
+ Zero-overhead coverage2 min
+coverage

Test Selection

Identify and skip unaffected tests
Full savings from the second run
Deterministic and explainable. No black boxes.
Nothing happens without sufficient reasonG. W. Leibniz

Adaptive Parallelism

Auto-tuned to your suite’s structure
Dynamic rebalancing. No worker left behind.
Run on laptops with 80% less memory

Instant Observability

See failures as they happen
Drill into history in a click

Flaky Test Management

Retry with full historical context
Comprehensive analytics across your entire suite

Distributed Coverage

Automatic coverage across services
Invisible runtime overhead

Hidden Dependencies

Uncover implicit dependencies across tests
Robust in the face of chaos
Real run · 240,000 tests · pandas

20 pandas commits. 97.5% compute saved.

17 of 20 finished in under 20 seconds. The two bug fixes ran exactly the work they needed.

20-commit pandas replay results
Start in thirty seconds
Install zb. Run your tests. Everything else is automatic.
$curl -LsSf https://dagz.run/install.sh | sh
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