BLAS warnings in new github windows CI #1625
Description
Description
We're seeing BLAS warnings in the windows CI for pymc-extras. There are two. One is the usual linker failure:
CI log snippet
2025-09-28T18:44:42.2527549Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1757 Rewrite failure due to: e(Sub, ~z, e(Mul, ~alpha [<function <lambda> at 0x000001779D4AA980>], e(SparseDot, ~x, ~y))) -> e(Usmm{no_inplace}, e(Neg, ~alpha [<function <lambda> at 0x000001779D4AA980>]), ~x, ~y, ~z)
2025-09-28T18:44:42.2528530Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1758 node: Sub(Add.0, Mul.0)
2025-09-28T18:44:42.2529036Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1759 TRACEBACK:
2025-09-28T18:44:42.2529579Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1760 Traceback (most recent call last):
2025-09-28T18:44:42.2530256Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 300, in fetch_val_for_key
2025-09-28T18:44:42.2530800Z return self._pytensor_cfg.get(section, option)
2025-09-28T18:44:42.2531049Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2531431Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 759, in get
2025-09-28T18:44:42.2531824Z d = self._unify_values(section, vars)
2025-09-28T18:44:42.2532039Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2532446Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 1132, in _unify_values
2025-09-28T18:44:42.2532876Z raise NoSectionError(section) from None
2025-09-28T18:44:42.2533138Z configparser.NoSectionError: No section: 'blas'
2025-09-28T18:44:42.2533323Z
2025-09-28T18:44:42.2533475Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2533706Z
2025-09-28T18:44:42.2533784Z Traceback (most recent call last):
2025-09-28T18:44:42.2534249Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 415, in __get__
2025-09-28T18:44:42.2534794Z val_str = cls.fetch_val_for_key(self.name, delete_key=delete_key)
2025-09-28T18:44:42.2535078Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2535581Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 304, in fetch_val_for_key
2025-09-28T18:44:42.2536074Z raise KeyError(key)
2025-09-28T18:44:42.2536251Z KeyError: 'blas__ldflags'
2025-09-28T18:44:42.2536466Z
2025-09-28T18:44:42.2536618Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2536846Z
2025-09-28T18:44:42.2536920Z Traceback (most recent call last):
2025-09-28T18:44:42.2537433Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1922, in process_node
2025-09-28T18:44:42.2538000Z replacements = node_rewriter.transform(fgraph, node)
2025-09-28T18:44:42.2538264Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2538763Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1633, in transform
2025-09-28T18:44:42.2539276Z s = unify(self.in_pattern, node.out)
2025-09-28T18:44:42.2539486Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2539959Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2540458Z return func(*args, **kwargs)
2025-09-28T18:44:42.2540648Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2541492Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 254, in unify_NoMap
2025-09-28T18:44:42.2541971Z return unify(u, v, {})
2025-09-28T18:44:42.2542249Z ^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2542712Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2543203Z return func(*args, **kwargs)
2025-09-28T18:44:42.2543392Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2543815Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 249, in unify
2025-09-28T18:44:42.2544270Z return stream_eval(_unify(u, v, s))
2025-09-28T18:44:42.2544475Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2544919Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 45, in stream_eval
2025-09-28T18:44:42.2545379Z z_out = z.send(z_args)
2025-09-28T18:44:42.2545547Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2546064Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\unify.py", line 245, in _unify_ConstrainedVar_object
2025-09-28T18:44:42.2546649Z and not v_w.constraint(eval_if_etuple(u_w))
2025-09-28T18:44:42.2546880Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2547349Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\sparse\rewriting.py", line 918, in <lambda>
2025-09-28T18:44:42.2547889Z all(s == 1 for s in expr.type.shape) and config.blas__ldflags
2025-09-28T18:44:42.2548161Z ^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2548628Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 419, in __get__
2025-09-28T18:44:42.2549104Z val_str = self.default()
2025-09-28T18:44:42.2549285Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2549766Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\link\c\cmodule.py", line 2968, in default_blas_ldflags
2025-09-28T18:44:42.2550275Z warnings.warn(
2025-09-28T18:44:42.2550701Z UserWarning: PyTensor could not link to a BLAS installation. Operations that might benefit from BLAS will be severely degraded.
2025-09-28T18:44:42.2551386Z This usually happens when PyTensor is installed via pip. We recommend it be installed via conda/mamba/pixi instead.
2025-09-28T18:44:42.2552327Z Alternatively, you can use an experimental backend such as Numba or JAX that perform their own BLAS optimizations, by setting `pytensor.config.mode == 'NUMBA'` or passing `mode='NUMBA'` when compiling a PyTensor function.
2025-09-28T18:44:42.2553361Z For more options and details see https://pytensor.readthedocs.io/en/latest/troubleshooting.html#how-do-i-configure-test-my-blas-library
2025-09-28T18:44:42.2553906Z
2025-09-28T18:44:42.2554733Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1757 Rewrite failure due to: e(Sub, ~z, e(Mul, ~alpha [<function <lambda> at 0x000001779D4AA980>], e(SparseDot, ~x, ~y))) -> e(Usmm{no_inplace}, e(Neg, ~alpha [<function <lambda> at 0x000001779D4AA980>]), ~x, ~y, ~z)
2025-09-28T18:44:42.2555713Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1758 node: Sub(Add.0, Mul.0)
2025-09-28T18:44:42.2556212Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1759 TRACEBACK:
2025-09-28T18:44:42.2556750Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1760 Traceback (most recent call last):
2025-09-28T18:44:42.2557423Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 300, in fetch_val_for_key
2025-09-28T18:44:42.2557959Z return self._pytensor_cfg.get(section, option)
2025-09-28T18:44:42.2558207Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2558911Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 759, in get
2025-09-28T18:44:42.2559358Z d = self._unify_values(section, vars)
2025-09-28T18:44:42.2559686Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2560106Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 1132, in _unify_values
2025-09-28T18:44:42.2560577Z raise NoSectionError(section) from None
2025-09-28T18:44:42.2560835Z configparser.NoSectionError: No section: 'blas'
2025-09-28T18:44:42.2561020Z
2025-09-28T18:44:42.2561173Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2561403Z
2025-09-28T18:44:42.2561486Z Traceback (most recent call last):
2025-09-28T18:44:42.2561947Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 415, in __get__
2025-09-28T18:44:42.2562496Z val_str = cls.fetch_val_for_key(self.name, delete_key=delete_key)
2025-09-28T18:44:42.2562781Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2563291Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 304, in fetch_val_for_key
2025-09-28T18:44:42.2563785Z raise KeyError(key)
2025-09-28T18:44:42.2563966Z KeyError: 'blas__ldflags'
2025-09-28T18:44:42.2564081Z
2025-09-28T18:44:42.2564236Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2564464Z
2025-09-28T18:44:42.2564545Z Traceback (most recent call last):
2025-09-28T18:44:42.2565049Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1922, in process_node
2025-09-28T18:44:42.2565617Z replacements = node_rewriter.transform(fgraph, node)
2025-09-28T18:44:42.2565888Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2566388Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1633, in transform
2025-09-28T18:44:42.2566908Z s = unify(self.in_pattern, node.out)
2025-09-28T18:44:42.2567125Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2567608Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2568100Z return func(*args, **kwargs)
2025-09-28T18:44:42.2568292Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2568729Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 254, in unify_NoMap
2025-09-28T18:44:42.2569183Z return unify(u, v, {})
2025-09-28T18:44:42.2569354Z ^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2569801Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2570379Z return func(*args, **kwargs)
2025-09-28T18:44:42.2570557Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2570971Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 249, in unify
2025-09-28T18:44:42.2571423Z return stream_eval(_unify(u, v, s))
2025-09-28T18:44:42.2571625Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2572064Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 45, in stream_eval
2025-09-28T18:44:42.2572515Z z_out = z.send(z_args)
2025-09-28T18:44:42.2572678Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2573192Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\unify.py", line 245, in _unify_ConstrainedVar_object
2025-09-28T18:44:42.2573770Z and not v_w.constraint(eval_if_etuple(u_w))
2025-09-28T18:44:42.2574006Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2574476Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\sparse\rewriting.py", line 918, in <lambda>
2025-09-28T18:44:42.2575012Z all(s == 1 for s in expr.type.shape) and config.blas__ldflags
2025-09-28T18:44:42.2575355Z ^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2575835Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 419, in __get__
2025-09-28T18:44:42.2576300Z val_str = self.default()
2025-09-28T18:44:42.2576479Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2576958Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\link\c\cmodule.py", line 2968, in default_blas_ldflags
2025-09-28T18:44:42.2577460Z warnings.warn(
2025-09-28T18:44:42.2577879Z UserWarning: PyTensor could not link to a BLAS installation. Operations that might benefit from BLAS will be severely degraded.
2025-09-28T18:44:42.2578567Z This usually happens when PyTensor is installed via pip. We recommend it be installed via conda/mamba/pixi instead.
2025-09-28T18:44:42.2579806Z Alternatively, you can use an experimental backend such as Numba or JAX that perform their own BLAS optimizations, by setting `pytensor.config.mode == 'NUMBA'` or passing `mode='NUMBA'` when compiling a PyTensor function.
2025-09-28T18:44:42.2580844Z For more options and details see https://pytensor.readthedocs.io/en/latest/troubleshooting.html#how-do-i-configure-test-my-blas-library
2025-09-28T18:44:42.2581316Z
2025-09-28T18:44:42.2582129Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1757 Rewrite failure due to: e(Sub, ~z, e(Mul, ~alpha [<function <lambda> at 0x000001779D4AA980>], e(SparseDot, ~x, ~y))) -> e(Usmm{no_inplace}, e(Neg, ~alpha [<function <lambda> at 0x000001779D4AA980>]), ~x, ~y, ~z)
2025-09-28T18:44:42.2583103Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1758 node: Sub(Add.0, Mul.0)
2025-09-28T18:44:42.2583601Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1759 TRACEBACK:
2025-09-28T18:44:42.2584135Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1760 Traceback (most recent call last):
2025-09-28T18:44:42.2584803Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 300, in fetch_val_for_key
2025-09-28T18:44:42.2585345Z return self._pytensor_cfg.get(section, option)
2025-09-28T18:44:42.2585593Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2585961Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 759, in get
2025-09-28T18:44:42.2586361Z d = self._unify_values(section, vars)
2025-09-28T18:44:42.2586579Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2586982Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 1132, in _unify_values
2025-09-28T18:44:42.2587527Z raise NoSectionError(section) from None
2025-09-28T18:44:42.2587789Z configparser.NoSectionError: No section: 'blas'
2025-09-28T18:44:42.2587970Z
2025-09-28T18:44:42.2588128Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2588358Z
2025-09-28T18:44:42.2588447Z Traceback (most recent call last):
2025-09-28T18:44:42.2588905Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 415, in __get__
2025-09-28T18:44:42.2589441Z val_str = cls.fetch_val_for_key(self.name, delete_key=delete_key)
2025-09-28T18:44:42.2589726Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2590223Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 304, in fetch_val_for_key
2025-09-28T18:44:42.2590723Z raise KeyError(key)
2025-09-28T18:44:42.2590908Z KeyError: 'blas__ldflags'
2025-09-28T18:44:42.2591025Z
2025-09-28T18:44:42.2591179Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2591406Z
2025-09-28T18:44:42.2591477Z Traceback (most recent call last):
2025-09-28T18:44:42.2592057Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1922, in process_node
2025-09-28T18:44:42.2592622Z replacements = node_rewriter.transform(fgraph, node)
2025-09-28T18:44:42.2592879Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2593383Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1633, in transform
2025-09-28T18:44:42.2593893Z s = unify(self.in_pattern, node.out)
2025-09-28T18:44:42.2594103Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2594578Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2595072Z return func(*args, **kwargs)
2025-09-28T18:44:42.2595262Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2595693Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 254, in unify_NoMap
2025-09-28T18:44:42.2596160Z return unify(u, v, {})
2025-09-28T18:44:42.2596332Z ^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2596780Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2597266Z return func(*args, **kwargs)
2025-09-28T18:44:42.2597449Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2597861Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 249, in unify
2025-09-28T18:44:42.2598306Z return stream_eval(_unify(u, v, s))
2025-09-28T18:44:42.2598511Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2599291Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 45, in stream_eval
2025-09-28T18:44:42.2599758Z z_out = z.send(z_args)
2025-09-28T18:44:42.2599936Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2600456Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\unify.py", line 245, in _unify_ConstrainedVar_object
2025-09-28T18:44:42.2601043Z and not v_w.constraint(eval_if_etuple(u_w))
2025-09-28T18:44:42.2601276Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2601758Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\sparse\rewriting.py", line 918, in <lambda>
2025-09-28T18:44:42.2602292Z all(s == 1 for s in expr.type.shape) and config.blas__ldflags
2025-09-28T18:44:42.2602564Z ^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2603042Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 419, in __get__
2025-09-28T18:44:42.2603617Z val_str = self.default()
2025-09-28T18:44:42.2603799Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2604285Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\link\c\cmodule.py", line 2968, in default_blas_ldflags
2025-09-28T18:44:42.2604794Z warnings.warn(
2025-09-28T18:44:42.2605215Z UserWarning: PyTensor could not link to a BLAS installation. Operations that might benefit from BLAS will be severely degraded.
2025-09-28T18:44:42.2605897Z This usually happens when PyTensor is installed via pip. We recommend it be installed via conda/mamba/pixi instead.
2025-09-28T18:44:42.2606835Z Alternatively, you can use an experimental backend such as Numba or JAX that perform their own BLAS optimizations, by setting `pytensor.config.mode == 'NUMBA'` or passing `mode='NUMBA'` when compiling a PyTensor function.
2025-09-28T18:44:42.2607872Z For more options and details see https://pytensor.readthedocs.io/en/latest/troubleshooting.html#how-do-i-configure-test-my-blas-library
2025-09-28T18:44:42.2608337Z
2025-09-28T18:44:42.2609221Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1757 Rewrite failure due to: e(Sub, ~z, e(Mul, ~alpha [<function <lambda> at 0x000001779D4AA980>], e(SparseDot, ~x, ~y))) -> e(Usmm{no_inplace}, e(Neg, ~alpha [<function <lambda> at 0x000001779D4AA980>]), ~x, ~y, ~z)
2025-09-28T18:44:42.2610203Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1758 node: Sub(Add.0, Mul.0)
2025-09-28T18:44:42.2610695Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1759 TRACEBACK:
2025-09-28T18:44:42.2611231Z �[1m�[31mERROR �[0m pytensor.graph.rewriting.basic:basic.py:1760 Traceback (most recent call last):
2025-09-28T18:44:42.2611895Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 300, in fetch_val_for_key
2025-09-28T18:44:42.2612430Z return self._pytensor_cfg.get(section, option)
2025-09-28T18:44:42.2612673Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2613045Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 759, in get
2025-09-28T18:44:42.2613434Z d = self._unify_values(section, vars)
2025-09-28T18:44:42.2613655Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2614062Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\configparser.py", line 1132, in _unify_values
2025-09-28T18:44:42.2614494Z raise NoSectionError(section) from None
2025-09-28T18:44:42.2614762Z configparser.NoSectionError: No section: 'blas'
2025-09-28T18:44:42.2614949Z
2025-09-28T18:44:42.2615103Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2615336Z
2025-09-28T18:44:42.2615415Z Traceback (most recent call last):
2025-09-28T18:44:42.2615873Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 415, in __get__
2025-09-28T18:44:42.2616411Z val_str = cls.fetch_val_for_key(self.name, delete_key=delete_key)
2025-09-28T18:44:42.2616698Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2617211Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 304, in fetch_val_for_key
2025-09-28T18:44:42.2617700Z raise KeyError(key)
2025-09-28T18:44:42.2617879Z KeyError: 'blas__ldflags'
2025-09-28T18:44:42.2617993Z
2025-09-28T18:44:42.2618145Z During handling of the above exception, another exception occurred:
2025-09-28T18:44:42.2618438Z
2025-09-28T18:44:42.2618547Z Traceback (most recent call last):
2025-09-28T18:44:42.2619443Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1922, in process_node
2025-09-28T18:44:42.2620021Z replacements = node_rewriter.transform(fgraph, node)
2025-09-28T18:44:42.2620415Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2620919Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\basic.py", line 1633, in transform
2025-09-28T18:44:42.2621438Z s = unify(self.in_pattern, node.out)
2025-09-28T18:44:42.2621659Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2622140Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2622641Z return func(*args, **kwargs)
2025-09-28T18:44:42.2622835Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2623277Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 254, in unify_NoMap
2025-09-28T18:44:42.2623744Z return unify(u, v, {})
2025-09-28T18:44:42.2623927Z ^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2624382Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\multipledispatch\dispatcher.py", line 278, in __call__
2025-09-28T18:44:42.2624873Z return func(*args, **kwargs)
2025-09-28T18:44:42.2625061Z ^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2625552Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 249, in unify
2025-09-28T18:44:42.2626012Z return stream_eval(_unify(u, v, s))
2025-09-28T18:44:42.2626217Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2626665Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\unification\core.py", line 45, in stream_eval
2025-09-28T18:44:42.2627121Z z_out = z.send(z_args)
2025-09-28T18:44:42.2627291Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2627806Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\graph\rewriting\unify.py", line 245, in _unify_ConstrainedVar_object
2025-09-28T18:44:42.2628392Z and not v_w.constraint(eval_if_etuple(u_w))
2025-09-28T18:44:42.2628625Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2629099Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\sparse\rewriting.py", line 918, in <lambda>
2025-09-28T18:44:42.2629641Z all(s == 1 for s in expr.type.shape) and config.blas__ldflags
2025-09-28T18:44:42.2629912Z ^^^^^^^^^^^^^^^^^^^^
2025-09-28T18:44:42.2630385Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\configparser.py", line 419, in __get__
2025-09-28T18:44:42.2630857Z val_str = self.default()
2025-09-28T18:44:42.2631038Z ^^^^^^^^^^^^^^
2025-09-28T18:44:42.2631523Z File "C:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pytensor\link\c\cmodule.py", line 2968, in default_blas_ldflags
2025-09-28T18:44:42.2632027Z warnings.warn(
2025-09-28T18:44:42.2632453Z UserWarning: PyTensor could not link to a BLAS installation. Operations that might benefit from BLAS will be severely degraded.
2025-09-28T18:44:42.2633139Z This usually happens when PyTensor is installed via pip. We recommend it be installed via conda/mamba/pixi instead.
2025-09-28T18:44:42.2634085Z Alternatively, you can use an experimental backend such as Numba or JAX that perform their own BLAS optimizations, by setting `pytensor.config.mode == 'NUMBA'` or passing `mode='NUMBA'` when compiling a PyTensor function.
2025-09-28T18:44:42.2635116Z For more options and details see https://pytensor.readthedocs.io/en/latest/troubleshooting.html#how-do-i-configure-test-my-blas-library
And one is a bit more exotic (to me) -- too much linking!
CI log snippet
2025-09-28T18:48:33.6073457Z �[31m�[1m__________________________ test_pipeline_integration __________________________�[0m
2025-09-28T18:48:33.6073913Z
2025-09-28T18:48:33.6074280Z toy_X = input
2025-09-28T18:48:33.6074553Z 0 0.000000
2025-09-28T18:48:33.6074787Z 1 0.010101
2025-09-28T18:48:33.6075020Z 2 0.020202
2025-09-28T18:48:33.6075239Z 3 0.030303
2025-09-28T18:48:33.6075473Z 4 0.040404
2025-09-28T18:48:33.6075706Z .. ...
2025-09-28T18:48:33.6075922Z 95 0.959596
2025-09-28T18:48:33.6076152Z 96 0.969697
2025-09-28T18:48:33.6076377Z 97 0.979798
2025-09-28T18:48:33.6076598Z 98 0.989899
2025-09-28T18:48:33.6076828Z 99 1.000000
2025-09-28T18:48:33.6076970Z
2025-09-28T18:48:33.6077076Z [100 rows x 1 columns]
2025-09-28T18:48:33.6077351Z toy_y = 0 3.195543
2025-09-28T18:48:33.6077616Z 1 1.751821
2025-09-28T18:48:33.6078075Z 2 3.394135
2025-09-28T18:48:33.6078311Z 3 3.404821
2025-09-28T18:48:33.6078540Z 4 2.188367
2025-09-28T18:48:33.6078765Z ...
2025-09-28T18:48:33.6078999Z 95 7.545585
2025-09-28T18:48:33.6079234Z 96 8.351528
2025-09-28T18:48:33.6079468Z 97 8.126109
2025-09-28T18:48:33.6079713Z 98 7.567812
2025-09-28T18:48:33.6079938Z 99 8.197637
2025-09-28T18:48:33.6080228Z Name: output, Length: 100, dtype: float64
2025-09-28T18:48:33.6080518Z
2025-09-28T18:48:33.6081836Z �[0m�[37m@pytest�[39;49;00m.mark.skipif(�[95mnot�[39;49;00m sklearn_available, reason=�[33m"�[39;49;00m�[33mscikit-learn package is not available.�[39;49;00m�[33m"�[39;49;00m)�[90m�[39;49;00m
2025-09-28T18:48:33.6083368Z �[94mdef�[39;49;00m�[90m �[39;49;00m�[92mtest_pipeline_integration�[39;49;00m(toy_X, toy_y):�[90m�[39;49;00m
2025-09-28T18:48:33.6084130Z model_config = {�[90m�[39;49;00m
2025-09-28T18:48:33.6085331Z �[33m"�[39;49;00m�[33mintercept�[39;49;00m�[33m"�[39;49;00m: {�[33m"�[39;49;00m�[33mloc�[39;49;00m�[33m"�[39;49;00m: �[94m0�[39;49;00m, �[33m"�[39;49;00m�[33mscale�[39;49;00m�[33m"�[39;49;00m: �[94m2�[39;49;00m},�[90m�[39;49;00m
2025-09-28T18:48:33.6087058Z �[33m"�[39;49;00m�[33mslope�[39;49;00m�[33m"�[39;49;00m: {�[33m"�[39;49;00m�[33mloc�[39;49;00m�[33m"�[39;49;00m: �[94m0�[39;49;00m, �[33m"�[39;49;00m�[33mscale�[39;49;00m�[33m"�[39;49;00m: �[94m2�[39;49;00m},�[90m�[39;49;00m
2025-09-28T18:48:33.6088294Z �[33m"�[39;49;00m�[33mobs_error�[39;49;00m�[33m"�[39;49;00m: �[94m1�[39;49;00m,�[90m�[39;49;00m
2025-09-28T18:48:33.6089361Z �[33m"�[39;49;00m�[33mdefault_output_var�[39;49;00m�[33m"�[39;49;00m: �[33m"�[39;49;00m�[33my_hat�[39;49;00m�[33m"�[39;49;00m,�[90m�[39;49;00m
2025-09-28T18:48:33.6090132Z }�[90m�[39;49;00m
2025-09-28T18:48:33.6090522Z model = Pipeline(�[90m�[39;49;00m
2025-09-28T18:48:33.6090951Z [�[90m�[39;49;00m
2025-09-28T18:48:33.6091628Z (�[33m"�[39;49;00m�[33minput_scaling�[39;49;00m�[33m"�[39;49;00m, StandardScaler()),�[90m�[39;49;00m
2025-09-28T18:48:33.6092290Z (�[90m�[39;49;00m
2025-09-28T18:48:33.6092894Z �[33m"�[39;49;00m�[33mlinear_model�[39;49;00m�[33m"�[39;49;00m,�[90m�[39;49;00m
2025-09-28T18:48:33.6093966Z TransformedTargetRegressor(LinearModel(model_config), transformer=StandardScaler()),�[90m�[39;49;00m
2025-09-28T18:48:33.6094819Z ),�[90m�[39;49;00m
2025-09-28T18:48:33.6095211Z ]�[90m�[39;49;00m
2025-09-28T18:48:33.6095566Z )�[90m�[39;49;00m
2025-09-28T18:48:33.6104549Z > model.fit(toy_X, toy_y)�[90m�[39;49;00m
2025-09-28T18:48:33.6104911Z
2025-09-28T18:48:33.6105207Z �[1m�[31mtests\test_linearmodel.py�[0m:205:
2025-09-28T18:48:33.6105723Z _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
2025-09-28T18:48:33.6106748Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\sklearn\base.py�[0m:1365: in wrapper
2025-09-28T18:48:33.6107847Z �[0m�[94mreturn�[39;49;00m fit_method(estimator, *args, **kwargs)�[90m�[39;49;00m
2025-09-28T18:48:33.6108521Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6109462Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\sklearn\pipeline.py�[0m:663: in fit
2025-09-28T18:48:33.6111099Z �[0m�[96mself�[39;49;00m._final_estimator.fit(Xt, y, **last_step_params[�[33m"�[39;49;00m�[33mfit�[39;49;00m�[33m"�[39;49;00m])�[90m�[39;49;00m
2025-09-28T18:48:33.6112486Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\sklearn\base.py�[0m:1365: in wrapper
2025-09-28T18:48:33.6113579Z �[0m�[94mreturn�[39;49;00m fit_method(estimator, *args, **kwargs)�[90m�[39;49;00m
2025-09-28T18:48:33.6114254Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6115263Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\sklearn\compose\_target.py�[0m:293: in fit
2025-09-28T18:48:33.6116511Z �[0m�[96mself�[39;49;00m.regressor_.fit(X, y_trans, **routed_params.regressor.fit)�[90m�[39;49;00m
2025-09-28T18:48:33.6117345Z �[1m�[31mpymc_extras\model_builder.py�[0m:514: in fit
2025-09-28T18:48:33.6118422Z �[0m�[96mself�[39;49;00m.idata = �[96mself�[39;49;00m.sample_model(**sampler_config)�[90m�[39;49;00m
2025-09-28T18:48:33.6119196Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6119979Z �[1m�[31mpymc_extras\model_builder.py�[0m:307: in sample_model
2025-09-28T18:48:33.6120663Z �[0midata = pm.sample(**sampler_args)�[90m�[39;49;00m
2025-09-28T18:48:33.6121231Z ^^^^^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6122231Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pymc\sampling\mcmc.py�[0m:824: in sample
2025-09-28T18:48:33.6123277Z �[0m�[94mwith�[39;49;00m joined_blas_limiter():�[90m�[39;49;00m
2025-09-28T18:48:33.6123826Z ^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6124882Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\pymc\sampling\mcmc.py�[0m:744: in joined_blas_limiter
2025-09-28T18:48:33.6126080Z �[0m�[94mreturn�[39;49;00m threadpool_limits(limits=blas_cores)�[90m�[39;49;00m
2025-09-28T18:48:33.6126752Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6127723Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\threadpoolctl.py�[0m:794: in __init__
2025-09-28T18:48:33.6129065Z �[0m�[96msuper�[39;49;00m().�[92m__init__�[39;49;00m(ThreadpoolController(), limits=limits, user_api=user_api)�[90m�[39;49;00m
2025-09-28T18:48:33.6129924Z ^^^^^^^^^^^^^^^^^^^^^^�[90m�[39;49;00m
2025-09-28T18:48:33.6130866Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\threadpoolctl.py�[0m:819: in __init__
2025-09-28T18:48:33.6131910Z �[0m�[96mself�[39;49;00m._warn_if_incompatible_openmp()�[90m�[39;49;00m
2025-09-28T18:48:33.6132477Z _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
2025-09-28T18:48:33.6132810Z
2025-09-28T18:48:33.6133136Z self = <threadpoolctl.ThreadpoolController object at 0x000002656CA2A2A0>
2025-09-28T18:48:33.6133687Z
2025-09-28T18:48:33.6195836Z �[0m�[94mdef�[39;49;00m�[90m �[39;49;00m�[92m_warn_if_incompatible_openmp�[39;49;00m(�[96mself�[39;49;00m):�[90m�[39;49;00m
2025-09-28T18:48:33.6197146Z �[90m �[39;49;00m�[33m"""Raise a warning if llvm-OpenMP and intel-OpenMP are both loaded"""�[39;49;00m�[90m�[39;49;00m
2025-09-28T18:48:33.6198534Z prefixes = [lib_controller.prefix �[94mfor�[39;49;00m lib_controller �[95min�[39;49;00m �[96mself�[39;49;00m.lib_controllers]�[90m�[39;49;00m
2025-09-28T18:48:33.6199511Z msg = textwrap.dedent(�[90m�[39;49;00m
2025-09-28T18:48:33.6200008Z �[90m �[39;49;00m�[33m"""�[39;49;00m
2025-09-28T18:48:33.6200732Z �[33m Found Intel OpenMP ('libiomp') and LLVM OpenMP ('libomp') loaded at�[39;49;00m
2025-09-28T18:48:33.6201670Z �[33m the same time. Both libraries are known to be incompatible and this�[39;49;00m
2025-09-28T18:48:33.6202608Z �[33m can cause random crashes or deadlocks on Linux when loaded in the�[39;49;00m
2025-09-28T18:48:33.6203583Z �[33m same Python program.�[39;49;00m
2025-09-28T18:48:33.6204305Z �[33m Using threadpoolctl may cause crashes or deadlocks. For more�[39;49;00m
2025-09-28T18:48:33.6205153Z �[33m information and possible workarounds, please see�[39;49;00m
2025-09-28T18:48:33.6206121Z �[33m https://github.com/joblib/threadpoolctl/blob/master/multiple_openmp.md�[39;49;00m
2025-09-28T18:48:33.6206901Z �[33m """�[39;49;00m�[90m�[39;49;00m
2025-09-28T18:48:33.6207322Z )�[90m�[39;49;00m
2025-09-28T18:48:33.6208500Z �[94mif�[39;49;00m �[33m"�[39;49;00m�[33mlibomp�[39;49;00m�[33m"�[39;49;00m �[95min�[39;49;00m prefixes �[95mand�[39;49;00m �[33m"�[39;49;00m�[33mlibiomp�[39;49;00m�[33m"�[39;49;00m �[95min�[39;49;00m prefixes:�[90m�[39;49;00m
2025-09-28T18:48:33.6209771Z > warnings.warn(msg, �[96mRuntimeWarning�[39;49;00m)�[90m�[39;49;00m
2025-09-28T18:48:33.6210415Z �[1m�[31mE RuntimeWarning: �[0m
2025-09-28T18:48:33.6211135Z �[1m�[31mE Found Intel OpenMP ('libiomp') and LLVM OpenMP ('libomp') loaded at�[0m
2025-09-28T18:48:33.6212224Z �[1m�[31mE the same time. Both libraries are known to be incompatible and this�[0m
2025-09-28T18:48:33.6213135Z �[1m�[31mE can cause random crashes or deadlocks on Linux when loaded in the�[0m
2025-09-28T18:48:33.6213820Z �[1m�[31mE same Python program.�[0m
2025-09-28T18:48:33.6214518Z �[1m�[31mE Using threadpoolctl may cause crashes or deadlocks. For more�[0m
2025-09-28T18:48:33.6215635Z �[1m�[31mE information and possible workarounds, please see�[0m
2025-09-28T18:48:33.6217438Z �[1m�[31mE https://github.com/joblib/threadpoolctl/blob/master/multiple_openmp.md�[0m
2025-09-28T18:48:33.6218010Z
2025-09-28T18:48:33.6218756Z �[1m�[31mC:\Users\runneradmin\micromamba\envs\pymc-extras-test\Lib\site-packages\threadpoolctl.py�[0m:1226: RuntimeWarning