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from functools import partial | ||
import numpy as np | ||
import scipy | ||
from tqdm import tqdm | ||
from filterpy.monte_carlo import systematic_resample | ||
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import pickle | ||
import os | ||
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import time | ||
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from spf.dataset.spf_dataset import ( | ||
v5_collate_beamsegnet, | ||
v5_collate_keys_fast, | ||
v5spfdataset, | ||
) | ||
import torch | ||
import random | ||
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ds_fn = "/mnt/4tb_ssd/june_fix/wallarrayv3_2024_06_15_11_44_13_nRX2_bounce.zarr" | ||
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nthetas = 65 | ||
ds = v5spfdataset( | ||
ds_fn, | ||
nthetas=nthetas, | ||
ignore_qc=True, | ||
precompute_cache="/home/mouse9911/precompute_cache_chunk16_fresh", | ||
paired=True, | ||
skip_signal_matrix=True, | ||
snapshots_per_session=500, | ||
skip_simple_segmentations=True, | ||
) | ||
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idxs = torch.arange(len(ds)) | ||
random.shuffle(idxs) | ||
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random.seed(10) | ||
ds = torch.utils.data.Subset(ds, idxs[:3000]) | ||
print("Getting") | ||
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if False: | ||
start_time = time.time() | ||
count = 1 | ||
for idx in range(len(ds)): | ||
if count % 1000 == 0: | ||
print((time.time() - start_time) / count, "seconds per sample") | ||
ds[idx] | ||
count += 1 | ||
print((time.time() - start_time) / len(ds), "seconds per sample") | ||
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# x = batch_data["all_windows_stats"].to(torch_device).to(torch.float32) | ||
# rx_pos = batch_data["rx_pos_xy"].to(torch_device) | ||
# seg_mask = batch_data["downsampled_segmentation_mask"].to(torch_device) | ||
# rx_spacing = batch_data["rx_spacing"].to(torch_device) | ||
# windowed_beamformer = batch_data["windowed_beamformer"].to(torch_device) | ||
# y_rad = batch_data["y_rad"].to(torch_device) | ||
# craft_y_rad = batch_data["craft_y_rad"].to(torch_device) | ||
# y_phi = batch_data["y_phi"].to(torch_device) | ||
workers = 0 | ||
dataloader_params = { | ||
"batch_size": 8, | ||
"shuffle": True, | ||
"num_workers": workers, | ||
"collate_fn": partial( | ||
v5_collate_keys_fast, | ||
[ | ||
"all_windows_stats", | ||
"rx_pos_xy", | ||
"downsampled_segmentation_mask", | ||
"rx_spacing", | ||
# "windowed_beamformer", | ||
"y_rad", | ||
"craft_y_rad", | ||
"y_phi", | ||
], | ||
), | ||
"pin_memory": True, | ||
"prefetch_factor": 1 if workers > 0 else None, | ||
} | ||
train_dataloader = torch.utils.data.DataLoader(ds, **dataloader_params) | ||
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for step, batch_data in enumerate(tqdm(train_dataloader)): | ||
pass |
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