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@cuda-quantum-bot cuda-quantum-bot released this 21 May 15:11
1f8dd79

The 0.7.1 release adds bug fixes, slightly changes the Python wheel installation instructions, and adds simulator optimizations to our prior 0.7.0 release. The nvidia-mgpu backend now supports user customization of the gate fusion level as controlled by the CUDAQ_MGPU_FUSE environment variable documented here.

What's Changed

Features and Enhancements 🎉

  • Perf. improvement for CuStateVecCircuitSimulator::observe by @1tnguyen in #1002
  • Make spin_op.distribute_terms batch more efficiently by @bmhowe23 in #1437
  • MPS backend to support gates on 3+ qubits by @1tnguyen in #1420
  • Add optimized applyExpPauli to nvidia-mgpu by @bmhowe23 in #1559
  • Optimize kernel mode for hybrid QNN test case by @bmhowe23 in #1572

Bug Fixes 🐛

  • Fixing issue with sample_async failing on machines with multiple GPUs by @1tnguyen in #1379
  • Enable list[T] argument specification in kernel builder by @amccaskey in #1370
  • Fix synthesis of vectors with small integers. by @schweitzpgi in #1395
  • Fix compilation issue for std::vector in some cases by @schweitzpgi in #1402
  • Fixing incorrect error for synthesis of callables by @schweitzpgi in #1398
  • Fix memory leak in CuStateVecCircuitSimulator.cu by @bmhowe23 in #1424
  • Fix issue when passing np.ndarray to Python kernels by @amccaskey in #1406
  • Fix Python handling of kernel list parameters by @bmhowe23 in #1410
  • Fix issue with spin_op result retrieval by @1tnguyen in #1440
  • Handling empty lists passed to Python kernels by @amccaskey in #1438
  • Fix issue where qubits are retained with draw / tracer by @amccaskey in #1457
  • Fix issue caused by docstrings inside Python kernels by @amccaskey in #1459
  • Improved error handling and bug fixes for Python by @amccaskey in #1458
  • Fix issue with cnot operation not being properly compiled for some targets by @schweitzpgi in #1466
  • Simplify MLIR code generated for simple Python for loops over range(N) by @amccaskey in #1470
  • Fix Python wheel installation issues (multiple subtlety linked items) by @bmhowe23 in #1493
  • Fix observe() calls on nvidia-mgpu backend by @bmhowe23 in #1494
  • Fix issue with unknown base on attribute call (throw an error) by @amccaskey in #1499
  • Fix QPUD Library Mode Installer Build by @1tnguyen in #1435

Documentation Updates ✏️

Other Changes

  • Adds the ability to pass vector values to kernels as input by @schweitzpgi in #1404
  • Add support for recently introduced cudaq::range(a,b,c) function. by @schweitzpgi in #1476

Release created by workflow 9094817952.
GitHub commit 1f8dd79d46cad9b9bd0eb220eb04408a2e6beda4

Full Changelog: 0.7.0...0.7.1