[GROOVY-10216] Avoid unnecessary security checks for each invocation

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Assignee: Daniel Sun
• Reporter: Daniel Sun
• Created: 08/Sep/21 07:16
• Updated: 20/Nov/21 02:56
• Resolved: 20/Nov/21 02:56

Description

Java reflection will do security checks for each invocation, but if setAccessible(true) called for the accessible objects, the unneccessary security checks could be avoided.

See the result of "Performance Test":

FastMethodPerfTest.constructor_reflect_StringCtorCharArray             avgt   15  18.471 ± 0.510  ns/op
FastMethodPerfTest.constructor_reflect_accessible_StringCtorCharArray  avgt   15  17.003 ± 0.528  ns/op
FastMethodPerfTest.method_reflect_StringStartsWith                     avgt   15  12.264 ± 0.682  ns/op
FastMethodPerfTest.method_reflect_accessible_StringStartsWith          avgt   15   9.640 ± 0.732  ns/op

https://github.com/danielsun1106/fast-reflection