Spiced Roast Beef and Vegetables

Name: Spiced Roast Beef and Vegetables
Ingredients: 1 teaspoon cumin seeds; 1 teaspoon coriander seeds; 1/2 teaspoon whole black peppercorns; 3/4 teaspoon salt; 1/2 teaspoon ground ginger; 1/8 teaspoon cayenne pepper; 2 1/2 pounds russet potatoes, peeled, cut into 1-inch chunks; 8 medium carrots, peeled, cut diagonally into 2-inch lengths; 4 tablespoons extra-virgin olive oil; 1 3- to 3 1/4-pound beef eye of round roast; 1 garlic clove, thinly sliced; 2 tablespoons chopped fresh cilantro