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enable parallel linking for il2cpp

pull/300/head
John Soros 2025-12-06 00:21:06 -06:00
parent 19ff28e81e
commit 6e946774f7
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GPG Key ID: 53F59EAAA99E636E
1 changed files with 44 additions and 0 deletions
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44
dist/test-standalone-scripts/Assets/Editor/UnityTestRunnerAction/PlayerBuildModifier.cs vendored
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@ -25,6 +25,9 @@ namespace UnityTestRunnerAction
string[] commandLineArgs = Environment.GetCommandLineArgs();
playerOptions.locationPathName = commandLineArgs[Array.IndexOf(commandLineArgs, "-builtTestRunnerPath") + 1]; ;
// Enable parallel linking for IL2CPP builds
SetParallelLinking();
// Instruct the cleanup to exit the Editor if the run came from the command line.
// The variable is static because the cleanup is being invoked in a new instance of the class.
s_RunningPlayerTests = true;
@ -45,5 +48,46 @@ namespace UnityTestRunnerAction
var commandLineArgs = Environment.GetCommandLineArgs();
return commandLineArgs.Any(value => value == "-runTests");
}
private static void SetParallelLinking()
{
string additionalArgs = PlayerSettings.additionalIl2CppArgs;
// Determine number of parallel jobs (use CPU count, or default to 2)
int numJobs = Environment.ProcessorCount;
if (numJobs <= 0) numJobs = 2;
// Use host platform (where Unity is running) instead of target platform to support cross-compilation
// Platform-specific parallel linking flags based on the host platform
RuntimePlatform hostPlatform = Application.platform;
switch (hostPlatform)
{
case RuntimePlatform.WindowsEditor:
case RuntimePlatform.WindowsPlayer:
string cgthreadsFlag = $"--linker-flags=/CGTHREADS:{numJobs}";
if (!additionalArgs.Contains("/CGTHREADS:"))
{
additionalArgs = string.IsNullOrEmpty(additionalArgs)
? cgthreadsFlag
: $"{additionalArgs} {cgthreadsFlag}";
}
break;
case RuntimePlatform.OSXEditor:
case RuntimePlatform.OSXPlayer:
case RuntimePlatform.LinuxEditor:
case RuntimePlatform.LinuxPlayer:
if (!additionalArgs.Contains("--threads"))
{
additionalArgs = string.IsNullOrEmpty(additionalArgs)
? $"-Wl,--threads={numJobs}"
: $"{additionalArgs} -Wl,--threads={numJobs}";
}
break;
}
PlayerSettings.additionalIl2CppArgs = additionalArgs;
Debug.Log($"IL2CPP parallel linking enabled with {numJobs} jobs on host platform {hostPlatform}. Additional args: {additionalArgs}");
}
}
}