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Mapping files to off-heap memory segments
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Classroom Contents
1 Billion Rows Challenge with the Memory API - JEP Cafe 25
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- 1 Intro
- 2 Writing and reading to the off-heap memory
- 3 Getting the global Arena, and creating an auto Arena
- 4 Creating and closing shared and confined Arenas
- 5 Using Arenas to allocate Memory Segments
- 6 Creating heap Memory Segments on arrays or by slicing other Memory Segments
- 7 Creating Memory Layouts
- 8 Aligning primitive elements with padding
- 9 Creating VarHandles from MemoryLayouts
- 10 Writing and reading data using arenas, memory segments, and var handles
- 11 Writing and reading arrays using specific var handles
- 12 Avoiding boxing and un boxing with VarHandles and exact invocation
- 13 Mapping files to off-heap memory segments
- 14 Creating the test file with 1 billion rows
- 15 Reading the data from the test file with the Stream API
- 16 Running the final benchmark and getting the result
- 17 That's it for today, talk to you soon!
