activitysim

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ActivitySim runs often output many pandas PerformanceWarnings around pd.concat() that flood the terminal. Until the root of the problem is addressed, this performance warning can be silenced by changing `"default"`...

dhensle

I've tried running the `placeholder_sandag_2_zone_full` example with release 1.2.1 by following the directions given in the example manifest (I named the directory something different but that shouldn't matter), and got...

JoeJimFlood

During the ActivitySim Phase 8 2-zone memory profiling task, we observed that accessibility calculation requires large memory. After some tests, we have found that multiprocessing accessibility with large number of...

i-am-sijia

I have begun adding [type hints](https://docs.python.org/3/library/typing.html) to code. These are optional for Python generally and don't add or change any functionality when _running_ the code. However, they *do* add functionality...

jpn--

[Feature] Input Checker

1

RSG is developing an input checker as part of the phase 8 work. **Input checker features** The input checker is a series of checks to be run on ActivitySim inputs...

dhensle

This PR has a number of changes made in support of sharrow on the new "canonical" 2-zone example, although as it turns out none of these changes really alter how...

jpn--

`joint_tour_frequency_composition` column currently is a string, this PR converts it to pandas categorical.

i-am-sijia

SEMCOG model taking longer to run with 1.3 beta

3

The SEMCOG model (10%, single processed) takes longer to run with the current 1.3 beta (main branch) than the official 1.2.2 version. I already presented on this issue last month....

aletzdy

Very Slow Chunking

1

**Describe the bug** Chunk training takes a VERY long time. Performed on a SANDAG server with 1 TB of RAM (chunk_size was set to 450GB), ran with only 64k households...

dhensle

Chunk training fails for higher core count machines

1

**Describe the bug** TransLink was trying to determine the minimum and recommended CPU & memory requirement for our current ABM model by utilizing multi-processing with chunking turned on in ActivitySim....

bwentl