Re: [I] Grails Array/List access performance severely degraded compared to pure groovy or java [grails-core]

Thu, 25 Sep 2025 22:53:05 -0700 


Taack commented on issue #15100:
URL: https://github.com/apache/grails-core/issues/15100#issuecomment-3336870192

   Interesting, are you sure you do not run testZ when profiling ?
   What for you happen with `bootJar` task ?
   
   On my machine:
   ```bash
   ❯ uname -a
   Linux cachyos-x8664 6.16.8-2-cachyos #1 SMP PREEMPT_DYNAMIC Fri, 19 Sep 2025 
15:36:25 +0000 x86_64 GNU/Linux
   ❯ java -fullversion
   java full version "24.0.2+11-jvmci-b01"
   ```
   ```bash
   ❯ ./gradlew runTestScript
   Starting a Gradle Daemon (subsequent builds will be faster)
   
   > Task :runTestScript
   DONE (Groovy): 0.03775971 sec 507500000
   DONE (Groovy): 0.206448057 sec 507500000
   DONE (Groovy): 1.54997E-4 sec 507500000
   DONE (Groovy): 0.204011662 sec 507500000
   DONE (Groovy): 1.33337E-4 sec 507500000
   DONE (Groovy): 1.20213E-4 sec 507500000
   DONE (Groovy): 1.34039E-4 sec 507500000
   DONE (Groovy): 1.21044E-4 sec 507500000
   DONE (Groovy): 1.20063E-4 sec 507500000
   DONE (Groovy): 1.19211E-4 sec 507500000
   DONE (Java): 0.007561376 sec 507500000
   DONE (Java): 0.02418948 sec 507500000
   DONE (Java): 0.018589803 sec 507500000
   DONE (Java): 0.023333272 sec 507500000
   DONE (Java): 0.00571447 sec 507500000
   DONE (Java): 1.24371E-4 sec 507500000
   DONE (Java): 1.19281E-4 sec 507500000
   DONE (Java): 1.27537E-4 sec 507500000
   DONE (Java): 1.19953E-4 sec 507500000
   DONE (Java): 1.1867E-4 sec 507500000
   ```
   ```bash
   ❯ ./gradlew bootJar
   ❯ cd build/libs/
   ❯ java -jar slowloop-0.1.jar 
   
   Grails application running at http://localhost:8080 in environment: 
production
   DONE (Java): 0.01175923 sec 507500000
   DONE (Java): 0.026348811 sec 507500000
   DONE (Java): 0.02506293 sec 507500000
   DONE (Java): 0.02507352 sec 507500000
   DONE (Java): 0.025063361 sec 507500000
   DONE (Java): 0.025064924 sec 507500000
   DONE (Java): 0.025059494 sec 507500000
   DONE (Java): 0.025080494 sec 507500000
   DONE (Java): 0.025070756 sec 507500000
   DONE (Java): 0.02500335 sec 507500000
   DONE (Groovy): 0.042208504 sec 507500000
   DONE (Groovy): 0.4149877 sec 507500000
   DONE (Groovy): 0.007679295 sec 507500000
   DONE (Groovy): 0.001074717 sec 507500000
   DONE (Groovy): 0.382807433 sec 507500000
   DONE (Groovy): 0.017776186 sec 507500000
   DONE (Groovy): 0.001095006 sec 507500000
   DONE (Groovy): 0.001076401 sec 507500000
   DONE (Groovy): 0.00107606 sec 507500000
   DONE (Groovy): 0.001075399 sec 507500000                                     
                                                                                
                                
   ```
   No big difference with `bootJar`.. 
   
   For `bootRun`:
   
   ```bash
   ❯ ./gradlew bootRun
   DONE (Java): 0.006307012 sec 507500000
   DONE (Java): 0.006321519 sec 507500000
   DONE (Java): 0.006328843 sec 507500000
   DONE (Java): 0.006304708 sec 507500000
   DONE (Java): 0.006310749 sec 507500000
   DONE (Java): 0.006319636 sec 507500000
   DONE (Groovy): 0.373783673 sec 507500000
   DONE (Groovy): 0.344006879 sec 507500000
   DONE (Groovy): 0.317834347 sec 507500000
   DONE (Groovy): 0.327254334 sec 507500000
   DONE (Groovy): 0.314878958 sec 507500000
   DONE (Groovy): 0.317338413 sec 507500000
   DONE (Groovy): 0.32017958 sec 507500000
   DONE (Groovy): 0.321057593 sec 507500000
   DONE (Groovy): 0.31832622 sec 507500000
   DONE (Groovy): 0.318722871 sec 507500000
   <===========--> 90% EXECUTING [1m 45s]
   > :bootRun
   ```
   
   `bootRun` is more for development time, symbol resolution might differ.


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