Settings to speed up building Unreal Engine from source

BuildConfiguration.xml

<?xml version="1.0" encoding="utf-8" ?>
<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">
    <!-- Disable calls to `git status` at the start of the build -->
    <SourceFileWorkingSet> 
        <Provider>None</Provider> 
        <RepositoryPath></RepositoryPath> 
        <GitPath></GitPath> 
    </SourceFileWorkingSet>
    <BuildConfiguration>
        <!-- Let UBT pick UBA when available -->
        <bAllowUBAExecutor>true</bAllowUBAExecutor>

        <!-- (Optional) keep the other distributed systems off -->
        <bAllowXGE>false</bAllowXGE>
        <bAllowFASTBuild>false</bAllowFASTBuild>

        <!-- I don't recommend disabling debug information -->
        <!-- but uncommenting these lines below will speed up the build -->
		<!-- bDisableDebugInfo has been deprecated since UE 5.4, -->
		<!-- use TargetRules.DebugInfo or TargetRules.DebugInfo instead -->
        <!--<bDisableDebugInfo>true</bDisableDebugInfo>-->
	    <!--<bDisableDebugInfoForGeneratedCode>true</bDisableDebugInfoForGeneratedCode>-->
	    <!--<bOmitPCDebugInfoInDevelopment>true</bOmitPCDebugInfoInDevelopment>-->

        <!-- Pre-Compiled Header (PCH) settings -->
        <!-- Should be enabled by default, makes a huge difference -->
        <bUsePCHFiles>true</bUsePCHFiles>
        <bUseSharedPCHs>true</bUseSharedPCHs>

        <!-- Unity-build (jumbo file) settings -->
        <!-- Should be enabled by default, makes the biggest difference -->
        <bUseUnityBuild>true</bUseUnityBuild>

        <!-- tell UBT to use SMT threads (physical + logical cores) -->
        <bAllCores>true</bAllCores>
    </BuildConfiguration>

    <!-- Again, I don't recommend disabling debug information -->
    <!-- but uncommenting these lines below will speed up the build -->
    <!--<WindowsPlatform>
        <bNoLinkerDebugInfo>true</bNoLinkerDebugInfo>
    </WindowsPlatform>-->
</Configuration>