質問編集履歴
1
動作結果の添付
test
CHANGED
@@ -1 +1 @@
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1
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大量のcsv
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1
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300kb程度の大量のcsvを高速に読み込みたい。
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test
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@@ -26,6 +26,36 @@
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26
26
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27
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28
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29
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一例
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30
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31
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```
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32
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33
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8383269 function calls (8141048 primitive calls) in 905.298 seconds
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34
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+
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35
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Ordered by: internal time
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36
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37
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ncalls tottime percall cumtime percall filename:lineno(function)
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38
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39
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25 384.667 15.387 384.667 15.387 {built-in method numpy.core.multiarray.concatenate}
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40
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+
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41
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1 244.721 244.721 711.806 711.806 combine.py:286(_dataarray_concat)
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42
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43
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24 130.215 5.426 130.215 5.426 {method 'acquire' of '_thread.lock' objects}
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44
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45
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1 55.747 55.747 904.727 904.727 read_data.py:3(<module>)
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46
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47
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1 13.966 13.966 13.966 13.966 {built-in method pandas._libs.lib.infer_datetimelike_array}
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48
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+
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49
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3960 7.479 0.002 8.485 0.002 indexing.py:480(__setitem__)
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50
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+
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51
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11878 6.137 0.001 6.137 0.001 {built-in method pandas._libs.lib.array_equivalent_object}
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52
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53
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+
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54
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+
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55
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```
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56
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57
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58
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29
59
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30
60
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31
61
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