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Created attachment 268376 [details] Converter1.xtend, Converter2.xtend Hi. I've attached two files: - Converter1.xtend - Converter2.xtend Both classes are the same except for one tiny detail: - Converter1.xtend contains lambdas in the following form: (...).map[convert] - On the other hand Converter2.xtend specifies the parameter for all lambdas: (...).map[k|k.convert] If you open both files in the Xtend editor you will notice that calculating the outline for Converter1.xtend takes much more time than calculating the outline for Converter2.xtend. Also building Conveter1.xtend takes a lot of time. Here's an excerpt from Xtend's build console: [Worker-58] Building converters [Worker-58] indexing platform:/resource/converters/models/com/example/converter/Converter1.xtend [Worker-58] Build converters in 5595 ms [Worker-58] Building converters [Worker-58] Build converters in 0 ms [Worker-57] Building converters [Worker-57] indexing platform:/resource/converters/models/com/example/converter/Converter2.xtend [Worker-57] Build converters in 1077 ms [Worker-57] Building converters [Worker-57] Build converters in 0 ms [Worker-14] Building converters [Worker-14] indexing platform:/resource/converters/models/com/example/converter/Converter1.xtend [Worker-14] Build converters in 5788 ms [Worker-14] Building converters [Worker-14] Build converters in 0 ms [Worker-66] Building converters [Worker-66] indexing platform:/resource/converters/models/com/example/converter/Converter2.xtend [Worker-66] Build converters in 948 ms [Worker-66] Building converters [Worker-66] Build converters in 0 ms I haven't attached any other files the Converter classes reference, because it doesn't change the issue. (Actually it does in the sense that resolving all the referenced types takes a lot of time. And with all types resolved you will still experience the huge performance difference.)
could you share the type classes as well
Created attachment 268377 [details] All files as an Eclipse project
Converter Xtend classes: com.example.converter.Converter1 com.example.converter.Converter2
Build log (all types can be resolved): [Worker-89] Building converters [Worker-89] indexing platform:/resource/converters/models/com/example/converter/Converter1.xtend [Worker-89] Build converters in 41019 ms [Worker-89] Building converters [Worker-89] Build converters in 0 ms [Worker-105] Building converters [Worker-105] indexing platform:/resource/converters/models/com/example/converter/Converter2.xtend [Worker-105] Build converters in 2741 ms [Worker-105] Building converters [Worker-105] Build converters in 1 ms [Worker-108] Building converters [Worker-108] indexing platform:/resource/converters/models/com/example/converter/Converter1.xtend [Worker-108] Build converters in 40137 ms [Worker-108] Building converters [Worker-108] Build converters in 0 ms [Worker-94] Building converters [Worker-94] indexing platform:/resource/converters/models/com/example/converter/Converter2.xtend [Worker-94] Build converters in 1809 ms [Worker-94] Building converters [Worker-94] Build converters in 0 ms
Created attachment 268382 [details] Screenshot from yourkit
