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import numpy as np
import awkward as ak
content = np.memmap("/home/jpivarski/storage/data/chep-2021-jagged-jagged-jagged/sample-content.float32", np.float32)
offsets1 = np.memmap("/home/jpivarski/storage/data/chep-2021-jagged-jagged-jagged/sample-offsets1.int64", np.int64)
# jagged1
events_per_basket = 1342176
partitions = []
start1 = stop1 = 0
while start1 < len(offsets1) - 1:
stop1 = int(min(stop1 + events_per_basket, len(offsets1) - 1))
o1 = offsets1[start1 : stop1 + 1]
c = content[o1[0] : o1[-1]]
o1 = (o1 - o1[0]).astype(np.int32)
partitions.append(ak.Array(
ak.layout.ListOffsetArray32(
ak.layout.Index32(o1),
ak.layout.NumpyArray(c)
), check_valid=True
))
start1 = stop1
for level in [None]: # [9, 1]:
print("level", level)
ak.to_parquet(
ak.partitioned(partitions),
"/home/jpivarski/storage/data/chep-2021-jagged-jagged-jagged/lzfour" + str(level) + "-jagged1.parquet",
list_to32=True,
compression="LZ4",
compression_level=level,
use_dictionary=False,
write_statistics=False,
data_page_size=100*1024**2,
)
print("level", level, "split")
ak.to_parquet(
ak.partitioned(partitions),
"/home/jpivarski/storage/data/chep-2021-jagged-jagged-jagged/lzfour" + str(level) + "-split-jagged1.parquet",
list_to32=True,
compression="LZ4",
compression_level=level,
use_dictionary=False,
write_statistics=False,
data_page_size=100*1024**2,
use_byte_stream_split=True,
)
# for level in [0]:
# print("level", level)
# ak.to_parquet(
# ak.partitioned(partitions),
# "/home/jpivarski/storage/data/chep-2021-jagged-jagged-jagged/zlib" + str(level) + "-jagged1.parquet",
# list_to32=True,
# compression="NONE",
# compression_level=None,
# use_dictionary=False,
# write_statistics=False,
# data_page_size=100*1024**2,
# )
# print("level", level, "split")
# ak.to_parquet(
# ak.partitioned(partitions),
# "/home/jpivarski/storage/data/chep-2021-jagged-jagged-jagged/zlib" + str(level) + "-split-jagged1.parquet",
# list_to32=True,
# compression="NONE",
# compression_level=None,
# use_dictionary=False,
# write_statistics=False,
# data_page_size=100*1024**2,
# use_byte_stream_split=True,
# )
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