dwavesystems/dwave-system

View on GitHub

An API for easily incorporating the D-Wave system as a sampler, either directly or through Leap's cloud-based hybrid samplers

Stars: 98
Forks: 67
Open beginner issues: 0
Indexed issues: 80
Avg merge: 7m
Merged PRs (30d): 1

Dominant language: Python
License: Apache-2.0
Last GitHub push: Aug 28, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

80 open issues indexed

Drop support for cloud-client<0.14 Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

dwavesystems/dwave-system#611 · 1 comment · Opened Jun 17, 2026
initial_state documentation unclear, example error, no type checking for dictionaries. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-system#597 · 1 comment · Opened Oct 20, 2025
`DWaveCliqueSampler` occasionally produces an out-of-range qubit coupling Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#591 · 1 comment · Opened Aug 26, 2025
MockDWaveSampler initial_state format is incorrect Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-system#587 · 1 comment · Opened Aug 11, 2025
Speed-up (un)embedding utility functions Open

feature-request/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

dwavesystems/dwave-system#583 · Opened Jun 24, 2025
Create `SubgraphComposite`/`SubgraphEmbeddingComposite` Open

feature-request/enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-system#580 · Opened Jun 17, 2025
Composites delete information. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-system#564 · Opened Mar 31, 2025
`dwave.system.temperatures.fast_effective_temperature` does not accept `dwave.samplers.sa.SimulatedAnnealingSampler` Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

dwavesystems/dwave-system#553 · 4 comments · Opened Jan 15, 2025
Consider creating a mechanism for submitting multiple times to the same hybrid sampler Open

feature-request/enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

dwavesystems/dwave-system#551 · 2 comments · Opened Dec 12, 2024
403 Forbidden on certain ising problem submissions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-system#536 · 5 comments · Opened Sep 16, 2024
Different sorting methods for sample set dictionaries Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-system#529 · 1 comment · Opened Aug 8, 2024
embed_bqm silently assumes that chain_strength is a positive number Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dwavesystems/dwave-system#527 · 3 comments · Opened Jul 30, 2024
LeapHybridNLSampler not rejecting for `state_size() > maximum_number_of_states` Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

dwavesystems/dwave-system#526 · 1 comment · Opened Jul 18, 2024
Add support for fast anneal schedule validation Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-system#514 · Opened Mar 21, 2024
Warnings unserializable Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

dwavesystems/dwave-system#509 · 1 reaction · Opened Dec 5, 2023
Feature Request: `embed_sampleset` or similar Open

feature-request/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#501 · Opened Oct 30, 2023
Is there a way to access the energy for solution states to create a graph of how the energy converges to minima? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-system#489 · 4 comments · Opened Mar 10, 2023
`LeapHybridCQMSampler` sometimes generates the wrong `time_limit` for problems with sparse objectives Open

bug/fix

Difficulty 4/5 3-5 days Newbie friendliness 38/100

dwavesystems/dwave-system#482 · Opened Dec 13, 2022
CQM fails with AttributeError: 'ConstrainedQuadraticModel' object has no attribute 'quadratic' Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

dwavesystems/dwave-system#463 · 2 comments · Opened Aug 17, 2022
Add the ability to filter out infeasible samples when calling the LeapHybridCQMSampler Open

feature-request/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-system#460 · Opened Jul 14, 2022
More time does not mean better results? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dwavesystems/dwave-system#458 · 2 comments · Opened Jun 29, 2022
importing inspector causes qpu call to fail with chain break warning. Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

dwavesystems/dwave-system#451 · Opened May 6, 2022
Allow DWaveCliqueSampler to use a user specified clique embedding Open

feature-request/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#419 · 2 comments · Opened Aug 14, 2021
Add MockLeapHybridSampler Open

feature-request/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#413 · 1 comment · Opened Jul 8, 2021
Add ability to return chain break fraction per-qubit rather than per-sample Open

feature-request/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

dwavesystems/dwave-system#406 · Opened Jun 17, 2021
Add check for the number of variables/biases in LeapHybridBQMSampler and LeapHybridDQMSampler Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#402 · Opened May 19, 2021
Make lower-level utilities available to third-party frameworks Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-system#401 · 4 comments · Opened May 13, 2021
Allow sampling by id from DWaveSampler, LeapHybridSampler, LeapHybridDQMSampler Open

feature-request/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

dwavesystems/dwave-system#397 · 10 comments · Opened Apr 28, 2021
sample_ising may drop variables when h is a list Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-system#393 · 1 reaction · Opened Apr 8, 2021
Implement MockLeapHybridDQMSampler or similar Open

feature-request/enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-system#392 · Opened Apr 1, 2021
Unhelpful error for overlapping chains Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

dwavesystems/dwave-system#389 · Opened Mar 3, 2021
majority_vote introduces undocumented bias in sample set Open

good first issue

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dwavesystems/dwave-system#388 · 1 comment · Opened Mar 2, 2021
Optimize LeapHybridSampler.{from_ising,from_qubo} Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-system#386 · Opened Feb 9, 2021
Adding option to not use `exteded_j_range` in `DWaveCliqueSampler` Open

feature-request/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-system#385 · 3 comments · Opened Feb 4, 2021
uniform_torque_compensation can return chain strength = 0 Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

dwavesystems/dwave-system#379 · Opened Jan 15, 2021
Better time_limit control in the LeapHybridSampler Open

feature-request/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-system#378 · Opened Jan 6, 2021
Consider deprecating the VirtualGraphComposite Open

discussion

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-system#377 · 1 comment · Opened Dec 23, 2020
Raise a more informative error message when passing BQM to DQM sampler Open

bug/fix

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dwavesystems/dwave-system#375 · 7 comments · Opened Dec 18, 2020
Fix deprecation warnings Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#374 · Opened Dec 17, 2020
How to sample 5000 variables with EmbeddingComposite.sample_qubo()? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-system#369 · 4 comments · Opened Nov 29, 2020
Add paper reference to `uniform_torque_compensation`. Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 65/100

dwavesystems/dwave-system#358 · Opened Oct 9, 2020
Add tests for DQM sampler Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

dwavesystems/dwave-system#351 · Opened Sep 24, 2020
Discrepancy between EmbeddingComposite's chain strength and uniform_torque_compensation's chain strength for QUBO problems Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-system#343 · Opened Sep 22, 2020
DWaveCliqueSampler should have solver property at top level Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dwavesystems/dwave-system#331 · 1 comment · Opened Sep 1, 2020
Deprecate clique embedding in favour of minorminer 0.2.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

dwavesystems/dwave-system#325 · 1 reaction · Opened Aug 26, 2020
Add offset to integration tests in DWaveSampler Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

dwavesystems/dwave-system#322 · Opened Aug 11, 2020
Add ability to "warm up" the DWaveCliqueSampler clique embedding cache Open

feature-request/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-system#316 · Opened Jul 24, 2020
DWaveSampler.get_samplers or similar Open

feature-request/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 32/100

dwavesystems/dwave-system#311 · 2 comments · 1 reaction · Opened Jun 29, 2020
EmbeddingException or similar Open

feature-request/enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dwavesystems/dwave-system#307 · 1 comment · Opened Jun 23, 2020
Utility function or a Composite for estimating "optimal" chain_strength Open

feature-request/enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-system#300 · 9 comments · Opened Jun 3, 2020

dwavesystems/dwave-system

Get new issues in your inbox