reduce + vs apply +

gistfile1.txt

(def v0 [])
(def v10 (vec (range 10)))
(def v100 (vec (range 100)))
(def v1000 (vec (range 1000)))

(quick-bench (reduce + v0))  ;; 2 ns
(quick-bench (apply + v0))   ;; 29 ns
(quick-bench (reduce + v10))  ;; 216 ns
(quick-bench (apply + v10))   ;; 392 ns
(quick-bench (reduce + v100))  ;; 2.13 µs
(quick-bench (apply + v100))   ;; 2.38 µs
(quick-bench (reduce + v1000))  ;; 21.8 µs
(quick-bench (apply + v1000))   ;; 22.6 µs