[POC] ProjectBuilder: Build projects concurrently if possible #626
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Based on the required dependencies information provided by the tasks, determine which projects need to be build in sequence and which can be build in parallel. This can lead to a significantly faster build in some cases, depending on the number of dependencies and which tasks need to be executed.
RandomByte
changed the title
With this change the build order is no longer pre-determined but dynamic. Once all dependencies of a project (as defined by the task runner) are built, the project is built. Renamed env variable UI5_BUILD_PARALLEL to UI5_BUILD_CONCURRENT
flovogt
reviewed
Jun 26, 2023
| @@ -121,6 +121,7 @@ class ProjectBuilder { | |||
| * @param {object} parameters Parameters | |||
| * @param {string} parameters.destPath Target path | |||
| * @param {boolean} [parameters.cleanDest=false] Decides whether project should clean the target path before build | |||
| * @param {boolean} [parameters.concurrentBuild=false] Whether to build projects concurrently if possible | |||
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todo: we should document well what it means "if possible"
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Based on the required dependencies information provided by the tasks, determine which projects need to be build in sequence and which can be build in parallel.
This can lead to a significantly faster build in some cases, depending on the number of dependencies and which tasks need to be executed. A major drawback is currently that it becomes unclear which log messages are related to which project.
Benchmarks
Based on 1f5293f
openui5-sample-app (
6240774)ui5 build -aUI5_BUILD_CONCURRENT=X ui5 build -aAbout 60 UI5 Framework Libraries (full build)
ui5 build -aUI5_BUILD_CONCURRENT=X ui5 build -aAbout 60 UI5 Framework Libraries (reduced build)
Only executing tasks
generateLibraryPreload,generateBundle,generateComponentPreload,generateLibraryManifestandminify.ui5 build -a --exclude-task "*" --include-task generateLibraryPreload generateBundle generateComponentPreload generateLibraryManifest minifyUI5_BUILD_CONCURRENT=X ui5 build -a --exclude-task "*" --include-task generateLibraryPreload generateBundle generateComponentPreload generateLibraryManifest minify