java.vm.vendor: Eclipse Adoptium
java.vm.name: OpenJDK 64-Bit Server VM
java.vendor.version: Temurin-22+36
java.vendor.url.bug: https://github.com/adoptium/adoptium-support/issues
os.name: Windows 10
os.arch: amd64
=================================
Samsung SSD 990 Pro 2TB (7.4 GB/s)
Input: 1,000,000,000 rows (13.4 GB)
=================================

Files.lines
Lines :: 24784

FileChannel: MemorySegment
MemorySegment :: 2480

FileChannel: MappedByteBuffer
MappedByteBuffer[1024] :: 85776
MappedByteBuffer[4096] :: 27493
MappedByteBuffer[16384] :: 14641
MappedByteBuffer[81920] :: 9856
MappedByteBuffer[163840] :: 9132
MappedByteBuffer[1024000] :: 5907
MappedByteBuffer[10240000] :: 5846  (fastest)

FileChannel: ByteBuffer
ByteBuffer[1024] :: 17874
ByteBuffer[4096] :: 6430
ByteBuffer[16384] :: 2739
ByteBuffer[81920] :: 1576
ByteBuffer[163840] :: 1460
ByteBuffer[1024000] :: 1254 (fastest)
ByteBuffer[10240000] :: 1519

BufferedInputStream(FileInputStream)
BufferedInputStream[1024] :: 18001
BufferedInputStream[4096] :: 6514
BufferedInputStream[16384] :: 2777
BufferedInputStream[81920] :: 1769
BufferedInputStream[163840] :: 1569
BufferedInputStream[1024000] :: 1294  (fastest)
BufferedInputStream[10240000] :: 2964