Reduce the parallel compile count (#27187)

paddle/scripts/paddle_build.bat

@@ -154,6 +154,7 @@ echo    Step 2. Buile Paddle ...
 echo    ========================================
 call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
 
+for /F %%# in ('wmic cpu get NumberOfLogicalProcessors^|findstr [0-9]') do set /a PARALLEL_PROJECT_COUNT=%%#*8/10
 set build_times=1
 :build_tp
 echo Build third_party the %build_times% time:
@@ -172,7 +173,7 @@ echo Build third_party successfully!
 set build_times=1
 :build_paddle
 echo Build Paddle the %build_times% time:
-msbuild /m /p:Configuration=Release /verbosity:minimal paddle.sln
+msbuild /m:%PARALLEL_PROJECT_COUNT% /p:Configuration=Release /verbosity:minimal paddle.sln
 if %ERRORLEVEL% NEQ 0 (
     set /a build_times=%build_times%+1
     if %build_times% GTR 2 (