Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Track Numba compilation #83

Draft
wants to merge 1 commit into
base: main
Choose a base branch
from
Draft
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
40 changes: 40 additions & 0 deletions tests/test_numba.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
"""Test file created for the sole purpose of tracking the status of Numba compilation"""
import aesara
import aesara.tensor as at
from aeppl import joint_logprob

import aehmc.nuts as nuts


def test_sample_with_numba():

srng = at.random.RandomStream(seed=0)
Y_rv = srng.normal(1, 2)

def logprob_fn(y):
logprob = joint_logprob({Y_rv: y})
return logprob

# Build the transition kernel
kernel = nuts.new_kernel(srng, logprob_fn)

# Compile a function that updates the chain
y_vv = Y_rv.clone()
initial_state = nuts.new_state(y_vv, logprob_fn)

step_size = at.as_tensor(1e-2)
inverse_mass_matrix = at.as_tensor(1.0)
(
next_state,
potential_energy,
potential_energy_grad,
acceptance_prob,
num_doublings,
is_turning,
is_diverging,
), updates = kernel(*initial_state, step_size, inverse_mass_matrix)

next_step_fn = aesara.function([y_vv], next_state, updates=updates, mode="NUMBA")

# TODO: Assert something
next_step_fn(Y_rv.eval())