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denormals_are_zeros setting has unexpected side effects

area/healthInvolves general matters of project configuration, health, maintenance, and similar concernsInvolves general matters of project configuration, health, maintenance, and similar concerns

contributors welcomeHelp with this would be appreciatedHelp with this would be appreciated

priority/p2Medium priorityMedium priority

Status: Open.

Bug

#666 In quantumlib/qsim;

· richrines1 opened on Jul 22, 2024

Improve multinode tutorial

area/docsInvolves documentation, notebooks, README files, and similarInvolves documentation, notebooks, README files, and similar

Status: Open.

Enhancement

#450 In quantumlib/qsim;

· 95-martin-orion opened on Oct 11, 2021

Bazel builds should be hermetic, but they're not

area/devopsInvolves build systems, Make files, Bazel files, continuous integration, and/or other DevOps topicsInvolves build systems, Make files, Bazel files, continuous integration, and/or other DevOps topics

area/healthInvolves general matters of project configuration, health, maintenance, and similar concernsInvolves general matters of project configuration, health, maintenance, and similar concerns

contributors welcomeHelp with this would be appreciatedHelp with this would be appreciated

Status: Open.

Bug

#802 In quantumlib/qsim;

· mhucka opened on Jun 22, 2025

qsim 0.16 requires more RAM for a simple Hadamards circuit compared to qsim 0.12

area/performanceInvolves performance problems or improvementsInvolves performance problems or improvements

priority/p2Medium priorityMedium priority

Status: Open.

Bug

#612 In quantumlib/qsim;

· rht opened on May 19, 2023

Avoid statevector copy in qsim.simulate(qc, initial_state=sv)

area/c++Involves the C++ code portions of qsimInvolves the C++ code portions of qsim

area/performanceInvolves performance problems or improvementsInvolves performance problems or improvements

area/pythonInvolves the Python code in qsimInvolves the Python code in qsim

contributors welcomeHelp with this would be appreciatedHelp with this would be appreciated

no QC knowledge neededDoes not require knowledge of quantum computingDoes not require knowledge of quantum computing

Status: Open.

Enhancement

#617 In quantumlib/qsim;

· hthayko opened on Jun 24, 2023

Increase test coverage on Apply*** Methods

area/devopsInvolves build systems, Make files, Bazel files, continuous integration, and/or other DevOps topicsInvolves build systems, Make files, Bazel files, continuous integration, and/or other DevOps topics

area/testsInvolves test cases, test frameworks, and similarInvolves test cases, test frameworks, and similar

contributors welcomeHelp with this would be appreciatedHelp with this would be appreciated

good first issueGood for newcomersGood for newcomers

priority/p3Low priorityLow priority

Status: Open.

Enhancement

#273 In quantumlib/qsim;

· MichaelBroughton opened on Jan 26, 2021

qsimcirq performance overhead

area/circuitsInvolves quantum circuitsInvolves quantum circuits

area/performanceInvolves performance problems or improvementsInvolves performance problems or improvements

Status: Open.

Enhancement

#432 In quantumlib/qsim;

· sergeisakov opened on Sep 21, 2021