Move detection (2d/3d filtering, structure splitting) to PyTorch

.codecov.yml

@@ -10,6 +10,8 @@ flags:
   numba:
     paths:
       - cellfinder/core/detect/filters/plane/tile_walker.py
+      - cellfinder/core/detect/filters/plane/classical_filter.py
+      - cellfinder/core/detect/filters/plane/plane_filter.py
       - cellfinder/core/detect/filters/volume/ball_filter.py
       - cellfinder/core/detect/filters/volume/structure_detection.py
     carryforward: true

.github/workflows/test_and_deploy.yml

@@ -40,6 +40,9 @@ jobs:
     env:
       KERAS_BACKEND: torch
       CELLFINDER_TEST_DEVICE: cpu
+      # pooch cache dir
+      BRAINGLOBE_TEST_DATA_DIR: "~/.pooch_cache"
+
     strategy:
       matrix:
         # Run all supported Python versions on linux
@@ -55,6 +58,13 @@ jobs:
             python-version: "3.12"
 
     steps:
+      - name: Cache pooch data
+        uses: actions/cache@v4
+        with:
+          path: "~/.pooch_cache"
+          # hash on conftest in case url changes
+          key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/pooch_registry.txt') }}
+      # Cache the tensorflow model so we don't have to remake it every time
       - name: Cache brainglobe directory
         uses: actions/cache@v3
         with:
@@ -80,7 +90,10 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     env:
-       NUMBA_DISABLE_JIT: "1"
+      NUMBA_DISABLE_JIT: "1"
+      PYTORCH_JIT: "0"
+      # pooch cache dir
+      BRAINGLOBE_TEST_DATA_DIR: "~/.pooch_cache"
 
     steps:
       - name: Cache brainglobe directory
@@ -90,6 +103,13 @@ jobs:
             ~/.brainglobe
             !~/.brainglobe/atlas.tar.gz
           key: brainglobe
+
+      - name: Cache pooch data
+        uses: actions/cache@v4
+        with:
+          path: "~/.pooch_cache"
+          key: ${{ runner.os }}-3.10-${{ hashFiles('**/pooch_registry.txt') }}
+
       # Setup pyqt libraries
       - name: Setup qtpy libraries
         uses: tlambert03/setup-qt-libs@v1

benchmarks/benchmark_tools.py

@@ -0,0 +1,86 @@
+from pathlib import Path
+
+import pooch
+import torch
+from torch.profiler import ProfilerActivity, profile
+from torch.utils.benchmark import Compare, Timer
+
+from cellfinder.core.tools.IO import fetch_pooch_directory
+
+
+def get_test_data_path(path):
+    """
+    Create a test data registry for BrainGlobe.
+
+    Returns:
+        pooch.Pooch: The test data registry object.
+
+    """
+    registry = pooch.create(
+        path=pooch.os_cache("brainglobe_test_data"),
+        base_url="https://gin.g-node.org/BrainGlobe/test-data/raw/master/cellfinder/",
+        env="BRAINGLOBE_TEST_DATA_DIR",
+    )
+
+    registry.load_registry(
+        Path(__file__).parent.parent / "tests" / "data" / "pooch_registry.txt"
+    )
+
+    return fetch_pooch_directory(registry, path)
+
+
+def time_filters(repeat, run, run_args, label):
+    timer = Timer(
+        stmt="run(*args)",
+        globals={"run": run, "args": run_args},
+        label=label,
+        num_threads=4,
+        description="",  # must be not None due to pytorch bug
+    )
+    return timer.timeit(number=repeat)
+
+
+def compare_results(*results):
+    # prints the results of all the timed tests
+    compare = Compare(results)
+    compare.trim_significant_figures()
+    compare.colorize()
+    compare.print()
+
+
+def profile_cpu(repeat, run, run_args):
+    with profile(
+        activities=[ProfilerActivity.CPU],
+        record_shapes=True,
+        profile_memory=True,
+        with_stack=True,
+        with_modules=True,
+    ) as prof:
+        for _ in range(repeat):
+            run(*run_args)
+
+    print(
+        prof.key_averages(group_by_stack_n=1).table(
+            sort_by="self_cpu_time_total", row_limit=20
+        )
+    )
+
+
+def profile_cuda(repeat, run, run_args):
+    with profile(
+        activities=[ProfilerActivity.CPU, ProfilerActivity.CUDA],
+        record_shapes=True,
+        profile_memory=True,
+        with_stack=True,
+        with_modules=True,
+    ) as prof:
+        for _ in range(repeat):
+            run(*run_args)
+            # make sure it's fully done filtering
+            torch.cuda.synchronize("cuda")
+
+    print(
+        prof.key_averages(group_by_stack_n=1).table(
+            sort_by="self_cuda_time_total", row_limit=20
+        )
+    )

benchmarks/filter_2d.py

@@ -1,27 +1,131 @@
+import os
+import sys
+
+sys.path.append(os.path.dirname(__file__))
+
 import numpy as np
-from pyinstrument import Profiler
+import torch
+from benchmark_tools import (
+    compare_results,
+    get_test_data_path,
+    profile_cpu,
+    profile_cuda,
+    time_filters,
+)
+from brainglobe_utils.IO.image.load import read_with_dask
 
 from cellfinder.core.detect.filters.plane import TileProcessor
-from cellfinder.core.detect.filters.setup_filters import setup_tile_filtering
+from cellfinder.core.detect.filters.setup_filters import DetectionSettings
 
-# Use random 16-bit integer data for signal plane
-shape = (10000, 10000)
 
-signal_array_plane = np.random.randint(
-    low=0, high=65536, size=shape, dtype=np.uint16
-)
+def setup_filter(
+    signal_path,
+    batch_size=1,
+    num_z=None,
+    torch_device="cpu",
+    dtype=np.uint16,
+    use_scipy=False,
+):
+    signal_array = read_with_dask(signal_path)
+    num_z = num_z or len(signal_array)
+    signal_array = np.asarray(signal_array[:num_z]).astype(dtype)
+    shape = signal_array.shape
+
+    settings = DetectionSettings(
+        plane_original_np_dtype=dtype,
+        plane_shape=shape[1:],
+        torch_device=torch_device,
+        voxel_sizes=(5.06, 4.5, 4.5),
+        soma_diameter_um=30,
+        ball_xy_size_um=6,
+        ball_z_size_um=15,
+    )
+    signal_array = settings.filter_data_converter_func(signal_array)
+    signal_array = torch.from_numpy(signal_array).to(torch_device)
+
+    tile_processor = TileProcessor(
+        plane_shape=shape[1:],
+        clipping_value=settings.clipping_value,
+        threshold_value=settings.threshold_value,
+        soma_diameter=settings.soma_diameter,
+        log_sigma_size=settings.log_sigma_size,
+        n_sds_above_mean_thresh=settings.n_sds_above_mean_thresh,
+        torch_device=torch_device,
+        dtype=settings.filtering_dtype.__name__,
+        use_scipy=use_scipy,
+    )
+
+    return tile_processor, signal_array, batch_size
+
+
+def run_filter(tile_processor, signal_array, batch_size):
+    for i in range(0, len(signal_array), batch_size):
+        tile_processor.get_tile_mask(signal_array[i : i + batch_size])
+
 
-clipping_value, threshold_value = setup_tile_filtering(signal_array_plane)
-tile_processor = TileProcessor(
-    clipping_value=clipping_value,
-    threshold_value=threshold_value,
-    soma_diameter=16,
-    log_sigma_size=0.2,
-    n_sds_above_mean_thresh=10,
-)
 if __name__ == "__main__":
-    profiler = Profiler()
-    profiler.start()
-    plane, tiles = tile_processor.get_tile_mask(signal_array_plane)
-    profiler.stop()
-    profiler.print(show_all=True)
+    with torch.inference_mode(True):
+        n = 5
+        batch_size = 2
+        signal_path = get_test_data_path("bright_brain/signal")
+
+        compare_results(
+            time_filters(
+                n,
+                run_filter,
+                setup_filter(
+                    signal_path,
+                    batch_size=batch_size,
+                    torch_device="cpu",
+                    use_scipy=False,
+                ),
+                "cpu-no_scipy",
+            ),
+            time_filters(
+                n,
+                run_filter,
+                setup_filter(
+                    signal_path,
+                    batch_size=batch_size,
+                    torch_device="cpu",
+                    use_scipy=True,
+                ),
+                "cpu-scipy",
+            ),
+            time_filters(
+                n,
+                run_filter,
+                setup_filter(
+                    signal_path, batch_size=batch_size, torch_device="cuda"
+                ),
+                "cuda",
+            ),
+        )
+
+        profile_cpu(
+            n,
+            run_filter,
+            setup_filter(
+                signal_path,
+                batch_size=batch_size,
+                torch_device="cpu",
+                use_scipy=False,
+            ),
+        )
+        profile_cpu(
+            n,
+            run_filter,
+            setup_filter(
+                signal_path,
+                batch_size=batch_size,
+                torch_device="cpu",
+                use_scipy=True,
+            ),
+        )
+        profile_cuda(
+            n,
+            run_filter,
+            setup_filter(
+                signal_path, batch_size=batch_size, torch_device="cuda"
+            ),
+        )