mirror of
https://github.com/slsdetectorgroup/aare.git
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kferjaoui
47d89446e2
- std::array for per-slot state; std::exchange in BatchView::steal - [[nodiscard]]/noexcept on the public API and release path - cuda_check moved to aare::cuda::detail (was reserved __cuda_check) - _v type traits; drop redundant std::move and `using namespace aare` - Add pytest for BatchView slot release
81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# SPDX-License-Identifier: MPL-2.0
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import numpy as np
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import pytest
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from aare import ClusterFinderCUDA, _cuda_available, find_cluster_views_batched_iter
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pytestmark = pytest.mark.skipif(
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not _cuda_available(), reason="aare built without AARE_CUDA")
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SHAPE = (32, 32)
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BATCH = 4
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# Pixel that gets a photon in every data frame, away from the border.
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HIT = (16, 16)
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@pytest.fixture
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def cf():
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cf = ClusterFinderCUDA(SHAPE, n_streams=2, min_pedestal_samples=10)
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rng = np.random.default_rng(42)
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for _ in range(20):
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cf.push_pedestal_frame(
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rng.normal(1000, 5, SHAPE).astype(np.uint16))
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return cf
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@pytest.fixture
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def frames():
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rng = np.random.default_rng(7)
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f = rng.normal(1000, 5, (BATCH, *SHAPE)).astype(np.uint16)
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f[:, HIT[0], HIT[1]] = 3000
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return f
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def test_collect_view_exposes_batch(cf, frames):
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tok = cf.submit_batch(frames, first_frame=100)
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with cf.collect_view(tok) as v:
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assert v.valid
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assert v.n_frames == BATCH
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assert v.first_frame == 100
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assert all(v.count(i) >= 1 for i in range(BATCH))
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assert not v.valid
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def test_released_view_frees_its_slot(cf, frames):
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# Cycles both slots twice. pybind11 move-constructs every returned
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# BatchView, so a move that drops the slot index leaves the slot held
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# forever and the third submit_batch() throws.
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for i in range(2 * 2):
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tok = cf.submit_batch(frames, first_frame=i * BATCH)
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v = cf.collect_view(tok)
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v.release()
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assert not v.valid
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def test_dropped_view_frees_its_slot(cf, frames):
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# The destructor releases, so a view that is never bound is harmless.
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for i in range(2 * 2):
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tok = cf.submit_batch(frames, first_frame=i * BATCH)
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cf.collect_view(tok)
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def test_held_view_blocks_its_slot(cf, frames):
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held = cf.collect_view(cf.submit_batch(frames))
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# The other slot is still free.
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with cf.collect_view(cf.submit_batch(frames)):
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pass
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with pytest.raises(RuntimeError, match="held by a BatchView"):
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cf.submit_batch(frames)
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held.release()
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with cf.collect_view(cf.submit_batch(frames)):
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pass
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def test_views_batched_iter_pipelines_all_chunks(cf, frames):
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data = np.concatenate([frames] * 3)
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seen = []
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for v in find_cluster_views_batched_iter(cf, data, first_frame=10,
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chunk=BATCH):
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seen.append((v.first_frame, v.n_frames))
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assert seen == [(10, BATCH), (10 + BATCH, BATCH), (10 + 2 * BATCH, BATCH)]
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