add heavy build

gen.go

@@ -0,0 +1,85 @@
+//go:build ignore
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func main() {
+	countPtr := flag.Int("count", 2000, "Number of files to generate")
+	flag.Parse()
+
+	count := *countPtr
+	dir := "dummy"
+
+	fmt.Printf("Generating %d files in %s/...\n", count, dir)
+
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		panic(err)
+	}
+
+	// Generate individual heavy files
+	for i := 0; i < count; i++ {
+		filename := filepath.Join(dir, fmt.Sprintf("file_%05d.go", i))
+		content := fmt.Sprintf(`package dummy
+
+import "math"
+
+// Struct%[1]d is a dummy structure to consume memory during compilation
+type Struct%[1]d struct {
+	FieldA int
+	FieldB string
+	FieldC float64
+	FieldD []int
+	FieldE map[string]string
+}
+
+// Function%[1]d performs arbitrary calculations to consume CPU during compilation
+func Function%[1]d(input int) float64 {
+	s := Struct%[1]d{
+		FieldA: input,
+		FieldB: "dummy string to take up space in the binary symbol table",
+		FieldC: float64(input) * 1.5,
+		FieldD: []int{1, 2, 3, 4, 5},
+		FieldE: map[string]string{"key": "value"},
+	}
+	
+	// Some math operations
+	res := math.Sqrt(s.FieldC) + float64(s.FieldA)
+	for _, v := range s.FieldD {
+		res += float64(v)
+	}
+	return res
+}
+`, i)
+		if err := os.WriteFile(filename, []byte(content), 0644); err != nil {
+			panic(err)
+		}
+	}
+
+	// Generate entrypoint to ensure they are linked and not dead-code eliminated
+	entrypoint := filepath.Join(dir, "entrypoint.go")
+	entryContent := `package dummy
+
+import "fmt"
+
+// RunAll calls every generated function to prevent linker dead-code elimination
+func RunAll() {
+	sum := 0.0
+`
+	for i := 0; i < count; i++ {
+		entryContent += fmt.Sprintf("\tsum += Function%d(%d)\n", i, i)
+	}
+	entryContent += `	fmt.Printf("Total calculation: %f\n", sum)
+}
+`
+	if err := os.WriteFile(entrypoint, []byte(entryContent), 0644); err != nil {
+		panic(err)
+	}
+
+	fmt.Println("Done.")
+}