rht

Persistent loop of Matplotlib figure animation results in flickering output when run in a thread

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## Description The [Mesa](https://github.com/projectmesa/mesa) agent-based modeling library is looking to replace its self-hosted Tornado-based visualization server with Voilà. I have made a prototype in https://github.com/rht/mesa-examples/tree/voila. However, I encountered the flickering...

### Problem I tried to change the `pygments_style` in my project: https://github.com/projectmesa/mesa/pull/1719. I have waited for #1463 so that I can use Sphinx 7. However, the build still uses the...

Setting memory_limit in contract_path causes "ValueError: invalid subscript 'Ų' in einstein sum subscripts string, subscripts must be letters"

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I have a `contract_path` and `contract` sequence on a tensor that would OOM when `memory_limit` is `None`. I tried to reduce the memory consumption of the computation (I don't mind...

Cirq 1.0 statevector return type requirements for simulators consume more RAM after a qsim run

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**Description of the issue** First reported in https://github.com/quantumlib/qsim/issues/612. Cirq `~=1.0` requires qsimcirq to return its simulation output as a `cirq.StateVectorTrialResult`. In the current implementation, it causes an OOM when running...

As stated in https://github.com/zulip/python-zulip-api/pull/739#discussion_r988218529.

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

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I was running the following code on a cuQuantum Appliance 23.03 Docker instance, on an [a2-highgpu-1g](https://gcloud-compute.com/a2-highgpu-1g.html), with a RAM of 85 GB: ```python import cirq num_qubits = 32 qc_cirq =...

cirq.ClassicallyControlledOperation raises "ValueError: Encountered unparseable op"

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Minimal reproducer: ```python import cirq import qsimcirq simulator = qsimcirq.QSimSimulator() q = cirq.NamedQubit("q") circuit = cirq.Circuit([ cirq.measure(q, key="c"), cirq.ClassicallyControlledOperation(cirq.Z(q), "c") ]) simulator.simulate(circuit) ``` Traceback: ```console Traceback (most recent call last):...