gfhe
commited on
Commit
•
718895c
1
Parent(s):
e78005d
add 10m data
Browse files- .gitattributes +1 -0
- base.10M.fbin +3 -0
- loading.py +23 -0
.gitattributes
CHANGED
@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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*.jpg filter=lfs diff=lfs merge=lfs -text
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*.jpeg filter=lfs diff=lfs merge=lfs -text
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*.webp filter=lfs diff=lfs merge=lfs -text
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*.jpg filter=lfs diff=lfs merge=lfs -text
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*.jpeg filter=lfs diff=lfs merge=lfs -text
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*.webp filter=lfs diff=lfs merge=lfs -text
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base.10M.fbin filter=lfs diff=lfs merge=lfs -text
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base.10M.fbin
ADDED
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version https://git-lfs.github.com/spec/v1
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oid sha256:290b341abc7ba570541e013fd20fd6d38c5873490ef395b512de5ed8dee18ce7
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size 3840000008
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loading.py
ADDED
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import numpy as np
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def read_fbin(filename, start_idx=0, chunk_size=None):
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""" Read *.fbin file that contains float32 vectors
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Args:
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:param filename (str): path to *.fbin file
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:param start_idx (int): start reading vectors from this index
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:param chunk_size (int): number of vectors to read.
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If None, read all vectors
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Returns:
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Array of float32 vectors (numpy.ndarray)
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"""
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with open(filename, "rb") as f:
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nvecs, dim = np.fromfile(f, count=2, dtype=np.int32)
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nvecs = (nvecs - start_idx) if chunk_size is None else chunk_size
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arr = np.fromfile(f, count=nvecs * dim, dtype=np.float32,
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offset=start_idx * 4 * dim)
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return arr.reshape(nvecs, dim)
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# read data
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# chunk_size = 50000
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# dataset = read_fbin('deep1B/base.10M.fbin', chunk_size=chunk_size)
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