Expand perf comparison test and switch to times-based metrics

.github/workflows/perf-compare.yml

@@ -114,7 +114,16 @@ jobs:
             "lsass",
             "csrss",
             "services",
-            "svchost"
+            "svchost",
+            "smss",
+            "wininit",
+            "dwm",
+            "RuntimeBroker",
+            "SearchIndexer",
+            "spoolsv",
+            "taskhostw",
+            "fontdrvhost",
+            "conhost"
           )
 
           Write-Host "Testing process lookup performance on $($testProcesses.Count) processes" -ForegroundColor Yellow
@@ -231,26 +240,32 @@ jobs:
           Write-Host "=====================================" -ForegroundColor Cyan
           Write-Host ""
 
-          # Calculate speed differences
-          $cppVsGo = [Math]::Round((($goTotal - $cppTotal) / $goTotal) * 100, 1)
-
+          # Calculate speed differences using times instead of percentages
           Write-Host "Performance comparison:" -ForegroundColor Yellow
-          if ($cppVsGo -gt 0) {
-            Write-Host "  C++ is $cppVsGo% faster than Go" -ForegroundColor Green
-          } elseif ($cppVsGo -lt 0) {
-            Write-Host "  C++ is $([Math]::Abs($cppVsGo))% slower than Go" -ForegroundColor Red
-          } else {
-            Write-Host "  C++ and Go have equal performance" -ForegroundColor Yellow
+
+          # C++ vs Go
+          if ($cppTotal -gt 0 -and $goTotal -gt 0) {
+            $cppVsGoTimes = [Math]::Round($goTotal / $cppTotal, 1)
+            if ($cppVsGoTimes -ge 1.1) {
+              Write-Host "  C++ is $($cppVsGoTimes)x faster than Go" -ForegroundColor Green
+            } elseif ($cppVsGoTimes -le 0.9) {
+              $goVsCppTimes = [Math]::Round($cppTotal / $goTotal, 1)
+              Write-Host "  Go is $($goVsCppTimes)x faster than C++" -ForegroundColor Red
+            } else {
+              Write-Host "  C++ and Go have similar performance" -ForegroundColor Yellow
+            }
           }
 
-          if ($hasRust) {
-            $cppVsRust = [Math]::Round((($rustTotal - $cppTotal) / $rustTotal) * 100, 1)
-            if ($cppVsRust -gt 0) {
-              Write-Host "  C++ is $cppVsRust% faster than Rust" -ForegroundColor Green
-            } elseif ($cppVsRust -lt 0) {
-              Write-Host "  C++ is $([Math]::Abs($cppVsRust))% slower than Rust" -ForegroundColor Red
+          # C++ vs Rust
+          if ($hasRust -and $cppTotal -gt 0 -and $rustTotal -gt 0) {
+            $cppVsRustTimes = [Math]::Round($rustTotal / $cppTotal, 1)
+            if ($cppVsRustTimes -ge 1.1) {
+              Write-Host "  C++ is $($cppVsRustTimes)x faster than Rust" -ForegroundColor Green
+            } elseif ($cppVsRustTimes -le 0.9) {
+              $rustVsCppTimes = [Math]::Round($cppTotal / $rustTotal, 1)
+              Write-Host "  Rust is $($rustVsCppTimes)x faster than C++" -ForegroundColor Red
             } else {
-              Write-Host "  C++ and Rust have equal performance" -ForegroundColor Yellow
+              Write-Host "  C++ and Rust have similar performance" -ForegroundColor Yellow
             }
           }
           Write-Host ""