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java.lang.everything
everything.performance

performance and native

measuring honestly, profiling, flame graphs, the CPU underneath, and calling C.

start part 15
  1. 01measuring performanceaverages lie. percentiles, and coordinated omission.
  2. 02microbenchmarks with JMHdead code elimination ate your benchmark. how to not get fooled.
  3. 03flight recorderJFR events, always-on profiling, and mission control.
  4. 04profiling and flame graphsasync-profiler, safepoint bias, and reading a flame graph.
  5. 05the JVM in containersergonomics, memory limits, and the flags that matter.
  6. 06mechanical sympathycache lines, false sharing, and why arrays beat linked lists.
  7. 07the foreign function and memory apijava 22+call C and manage off-heap memory, safely.
  8. 08jnithe old way to call native code, and why it's being fenced in.
  9. 09the vector apipreviewSIMD from java: one instruction, many lanes.