On Tue, 28 Nov 2023 18:15:56 GMT, Aleksey Shipilev <sh...@openjdk.org> wrote:

> In current GHA, `hotspot_compiler` testing takes a long time, and often takes 
> the longest. On MacOS and Windows it routinely takes 60..80 minutes, while 
> other test groups run in 30..40 minutes. This often drags the total wall 
> clock time to run the GHA up. Fortunately, there are already several parts in 
> `hotspot_compiler` test group, which we might just run separately:
> https://github.com/openjdk/jdk/blob/dc256fbc6490f8163adb286dbb7380c10e5e1e06/test/hotspot/jtreg/TEST.groups#L142-L146
> 
> There is a bit of awkwardness about `not_xcomp` subgroup, which does not have 
> lots of tests. Instead of doing another short job, I think we can just meld 
> it into the quickest "part 2".
> 
> 
> # Before
> linux-x64 / test (hs/tier1 compiler) 38m 27s  
> windows-x64 / test (hs/tier1 compiler): 1h 17m 30s    
> macos-x64 / test (hs/tier1 compiler): 1h 2m 53s 
> 
> # After
> linux-x64 / test (hs/tier1 compiler part 1): 11m 38s  
> linux-x64 / test (hs/tier1 compiler part 2): 9m 34s   
> linux-x64 / test (hs/tier1 compiler part 3): 21m 40s  
> 
> windows-x64 / test (hs/tier1 compiler part 1): 24m 19s        
> windows-x64 / test (hs/tier1 compiler part 2): 18m 54s        
> windows-x64 / test (hs/tier1 compiler part 3): 43m 32s        
> 
> macos-x64 / test (hs/tier1 compiler part 1): 26m 44s  
> macos-x64 / test (hs/tier1 compiler part 2): 20m 40s  
> macos-x64 / test (hs/tier1 compiler part 3): 42m 10s
> 
> 
> Additional testing:
>  - [x] GHA (current run is in progress, but I had clean runs before)

Good!

-------------

Marked as reviewed by stuefe (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16860#pullrequestreview-1755113396

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