JetBrains/JetBrainsRuntime
Feb 2020 – Feb 2020
1 Month active
Languages Used
CJava
Technical Skills
Java NIOWindows APIfile system managementperformance optimizationsystem programming
Renaud Paquay
PROFILE
Renaud Paquay
Romain Paquay enhanced file system performance in the JetBrainsRuntime repository by optimizing Windows directory traversal. He replaced the traditional FindFirst/FindNext approach with NtQueryDirectoryInformation in the WindowsDirectoryStream, leveraging deep knowledge of the Windows API and Java NIO. This change enabled faster enumeration of large directories, achieving around a 40% speedup. Romain also introduced the WindowsFileKey and the BasicWithKeyFileAttributeView interface, improving file identification and accelerating file attribute retrieval. Working primarily in C and Java, he focused on system programming and performance optimization, delivering a well-scoped feature that addressed bottlenecks in file tree traversal for large-scale Windows projects.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
2Total
Bugs
0
Commits
2
Features
1
Lines of code
667
Activity Months1
Your Network
4275 people
Work History
February 2020
2 Commits • 1 Features
Feb 1, 2020February 2020: Delivered WindowsDirectoryStream performance enhancements and a new file attribute retrieval interface in JetBrainsRuntime, enabling faster directory traversal and metadata access for large projects. Replaced FindFirst/FindNext with NtQueryDirectoryInformation (WindowsDirectoryStream) and introduced WindowsFileKey and BasicWithKeyFileAttributeView; achieved ~40% traversal speedup.
2 Commits • 1 Features
Feb 1, 2020February 2020: Delivered WindowsDirectoryStream performance enhancements and a new file attribute retrieval interface in JetBrainsRuntime, enabling faster directory traversal and metadata access for large projects. Replaced FindFirst/FindNext with NtQueryDirectoryInformation (WindowsDirectoryStream) and introduced WindowsFileKey and BasicWithKeyFileAttributeView; achieved ~40% traversal speedup.
February 2020
Activity
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Quality Metrics
Correctness100.0%
Maintainability80.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CJava
Technical Skills
Java NIOWindows APIfile system managementperformance optimizationsystem programming
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