Pre-compile Julia sysimage

Author: AnHeuermann

TestBaseModelica/Manifest.toml

@@ -27,6 +27,12 @@ To speed up the execution of the test and reduce the TTFP-overhad of Julia there
   julia> create_sysimage(["TestBaseModelica"]; sysimage_path="TestBaseModelica.so", precompile_execution_file="precompile_skript.jl" )
   ```
 
+  ```bash
+  time julia --project=$(pwd) -e 'using TestBaseModelica; solver_settings=SolverSettings(start_time=0.0, stop_time=1.0, interval=0.02, tolerance=1e-6); test_settings=TestSettings(modelname="ExampleFirstOrder", output_directory="ExampleFirstOrder", solver_settings=solver_settings); run_test(joinpath("examples", "ExampleFirstOrder.mo"); settings=test_settings)'
+
+  time julia --sysimage=TestBaseModelica.so -e 'using .TestBaseModelica; solver_settings=SolverSettings(start_time=0.0, stop_time=1.0, interval=0.02, tolerance=1e-6); test_settings=TestSettings(modelname="ExampleFirstOrder", output_directory="ExampleFirstOrder", solver_settings=solver_settings); run_test(joinpath("examples", "ExampleFirstOrder.mo"); settings=test_settings)'
+  ```
+
 2. Keep a Julia daemon running in the background for all tests by using
    [DaemonMode.jl](https://github.com/dmolina/DaemonMode.jl)
 

TestBaseModelica/README.md

@@ -7,11 +7,12 @@ solver_settings = SolverSettings(
   tolerance = 1e-6
 )
 
+output_directory = "tmp_out_dir"
 test_settings = TestSettings(
   modelname = "ExampleFirstOrder",
-  output_directory = "ExampleFirstOrder",
-  solver_settings = solver_settings)
-
-run_test(joinpath("examples", "ExampleFirstOrder.mo"); settings = test_settings)
+  output_directory = output_directory,
+  solver_settings = solver_settings
+)
 
-rm("ExampleFirstOrder", force=true, recursive=true)
+run_test(joinpath(@__DIR__, "examples", "ExampleFirstOrder.mo"); settings = test_settings)
+rm(output_directory, force=true, recursive=true)

TestBaseModelica/precompile_skript.jl

@@ -1,7 +1,11 @@
+import monotonic
+import os.path
 import subprocess
+
 from juliacall import Main as jl
+from omcommon import friendlyStr
 
-def print_julia_version():
+def print_julia_version() -> None:
 
   julia = None
   try:
@@ -13,10 +17,27 @@ def print_julia_version():
 
   jl.seval("using InteractiveUtils; versioninfo()")
 
-def dev_testbasemodelica_jl():
+def precompile_testbaesmodelica(systemImage: os.path) -> None:
+  """Update and pre-compile TestBaseModelica to `sysimage`.
 
-  jl.seval('import Pkg; Pkg.develop(path="TestBaseModelica")')
+  Update dependencies of TestBaseModelica to get the latest version of
+  BaseModelica.jl from branch main. Create a pre-compile system image of package
+  TestBaseModelica with PackageCompiler.jl. This might take a wile!
+  """
 
-def update_testbasemodelica():
+  start = monotonic.monotonic()
+  print("Updating and pre-compiling Julia package TestBaseModelica. This might take a while, hang tight!")
+  jl.seval('import Pkg;'
+           "Pkg.activate();"
+           'Pkg.add("PackageCompiler");'
+           'using PackageCompiler;'
+           'Pkg.activate("TestBaseModelica");'
+           'Pkg.update();'
+           'Pkg.status();'
+           'create_sysimage(["TestBaseModelica"]; sysimage_path="%s", precompile_execution_file="TestBaseModelica/precompile_skript.jl")'
+           % systemImage)
+  execTime = monotonic.monotonic() - start
+  print("Done pre-compiling in %s." % friendlyStr(execTime))
 
-  jl.seval('import Pkg; Pkg.activate("TestBaseModelica"); Pkg.update(); Pkg.status()')
+  if not os.path.isfile(systemImage):
+    raise FileNotFoundError("Something went wrong, couldn't find %s" % systemImage)

basemodelica.py

@@ -314,10 +314,10 @@ def timeSeconds(f):
 sys.stdout.flush()
 
 # Print Julia versions for BaseModelica.jl import
+julia_sysimage = os.path.abspath("TestBaseModelica.so")
 if basemodelica_mtk_import:
   basemodelica.print_julia_version()
-  basemodelica.dev_testbasemodelica_jl()
-  basemodelica.update_testbasemodelica()
+  basemodelica.precompile_testbaesmodelica(julia_sysimage)
 
 try:
   os.unlink("HelloWorld"+exeExt)
@@ -516,6 +516,7 @@ def testHelloWorld(cmd):
   if basemodelica_mtk_import:
     c["basemodelica-export"] = True
     c["basemodelica-mtk-import"] = True
+    c["julia-system-image"] = julia_sysimage
 
 # Create mos-files
 

test.py

@@ -546,7 +546,7 @@ def sendExpressionOldOrNew(cmd):
         fp.write("test_settings = TestSettings(modelname=\"%s\", solver_settings=solver_settings)\n" % (conf["fileName"]))
         fp.write("run_test(\"%s.mo\"; settings = test_settings)\n" % (conf["modelName"]))
 
-      cmd = "julia %s" % juliaCallFile
+      cmd = "julia --sysimage=%s %s" % (conf["julia-system-image"], juliaCallFile)
       with open(simFile,"w") as fp:
         fp.write("%s\n" % (cmd))
       res = checkOutputTimeout(