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performance's Introduction

performance

Some Java performance numbers for myself, with the idea of having a sense on what the relative cost of certain operations is.

JIT has been disabled for these tests in order to avoid any code optimization.

Cost of getting stack trace (ns)

source code

Procedure Stack length of 1 Stack length of 10 Stack length of 50 Stack length of 100 Stack length of 200 Stack length of 400 Stack length of 800
Throwable 3552 10819 44499 92509 184329 338808 713571
Filled 2528 9229 45497 81678 161970 340909 682630
Thread 3803 10156 46239 87887 160443 358918 672376

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