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BinLog Perf
See related:
Make BinaryLogger into a distributed/forwarding/node logger: https://github.com/KirillOsenkov/MSBuildStructuredLog/issues/231
Streams weren't overriding all default methods, resulting in bad defaults:
Turn on Server GC for .NET 8:
Remove some low-hanging fruits for allocations:
| Total opening time | Loading | Analyzing | Indexing | Reading files | Allocated (GB) | |
|---|---|---|---|---|---|---|
| original net472 | 2:34 | 1:06 | 0:33 | 0:25 | 0:24 | 84.7 |
| latest net472 | 2:06 | 0:50 | 0:21 | 0:26 | 0:22 | 65 |
| latest net8.0 | 1:42 | 0:29 | 0:23 | 0:17 | 0:27 | 59 |
Investigate not logging the Message for certain EventArgs types (since it is redundant and will be reconstructed when reading anyway) Don't materialize LazyFormattedBuildEventArgs.Message in packet serializer and binary logger https://github.com/dotnet/msbuild/issues/6199
Do not log task inputs/outputs when LogTaskInputs is set (RAR) https://github.com/dotnet/msbuild/issues/6305
Consider deleting BuildEventArgs.ThreadId https://github.com/dotnet/msbuild/issues/6152
Investigate getting rid of locker object on LazyFormattedBuildEventArgs https://github.com/dotnet/msbuild/issues/6002
Scalar task parameters
Output files & Input files for skipped targets
MSBuildAllProjects concatenated take up too much space
DefaultItemExcludes reassignment takes up too much space
Encountered conflict between message from ResolvePackageFileConflicts task
Investigate reducing logging for ProjectStarted: https://github.com/microsoft/msbuild/issues/5316 https://github.com/microsoft/msbuild/issues/3616
Set MSBUILDTRUNCATETASKINPUTS environment variable to 1 to truncate task inputs:
https://github.com/microsoft/msbuild/pull/5210/files#diff-5f4088c7b8512fa52f7faf88f89661f3R122
Need to be able to control LogTaskInputs independently of Verbosity or /bl https://github.com/microsoft/msbuild/issues/5233
Binary logger should respect verbosity https://github.com/microsoft/msbuild/issues/4543
Binlog causes detailed summary messages output to console https://github.com/microsoft/msbuild/issues/4409
==========
Roslyn build (no binlog): 10:07.453
Roslyn build (-binaryLog): 10:01.515
Roslyn build (-binaryLog, with https://github.com/microsoft/msbuild/pull/5268): 09:44.085
==========
old:
1:38
1:29
1:29
1:24
old no binlog:
1:00
new:
1:25
1:30
1:20
1:21
new no binlog:
1:07
1:03
==========