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Performance research
(edit)
Revision as of 21:18, 22 February 2023
203 bytes added
,
21:18, 22 February 2023
m
typo correction
Line 41:
Line 41:
* Reading images 1%
* Reading images 1%
−
* Mapping
huuge
premap area << 1%
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* Mapping
huge
premap area << 1%
* (Re-)mapping sub-areas 73%
* (Re-)mapping sub-areas 73%
* Filling area with data 26%
* Filling area with data 26%
Line 49:
Line 49:
* Opening filemap fd 85%
* Opening filemap fd 85%
* Maping vma 15%
* Maping vma 15%
+
+
+
=== Opening files for mappings ===
+
+
The <code>get_filemap_fd()</code> opens new fd every time. If a file is mapped several
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times (e.g. -- a library) we can share one fd for that.
=== Staging ===
=== Staging ===
Line 55:
Line 61:
[[Category: Development]]
[[Category: Development]]
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[[Category: Thinkers]]
Wenhuizhang
15
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