if_not.clj

(ns if-not.bench
  (:require [criterium.core]))

(defmacro if-not*
  ([test then] `(if ~test nil ~then))
  ([test then else]
   `(if ~test ~else ~then)))

(criterium.core/bench (if-not false 1 2))
;; Evaluation count : 5375474880 in 60 samples of 89591248 calls.
;;              Execution time mean : 4.828435 ns
;;     Execution time std-deviation : 0.372316 ns
;;    Execution time lower quantile : 4.058421 ns ( 2.5%)
;;    Execution time upper quantile : 5.429294 ns (97.5%)
;;                    Overhead used : 7.932535 ns

;; Found 5 outliers in 60 samples (8.3333 %)
;; 	low-severe	 4 (6.6667 %)
;; 	low-mild	 1 (1.6667 %)
;;  Variance from outliers : 56.8430 % Variance is severely inflated by outliers

(criterium.core/bench (if-not* false 1 2))
;; Evaluation count : 4689823380 in 60 samples of 78163723 calls.
;;              Execution time mean : 3.324962 ns
;;     Execution time std-deviation : 0.587737 ns
;;    Execution time lower quantile : 2.372741 ns ( 2.5%)
;;    Execution time upper quantile : 4.521725 ns (97.5%)
;;                    Overhead used : 7.932535 ns

;; Found 1 outliers in 60 samples (1.6667 %)
;; 	low-severe	 1 (1.6667 %)
;;  Variance from outliers : 87.6830 % Variance is severely inflated by outliers

(criterium.core/bench (if-not nil 1 2))
;; Evaluation count : 4511376060 in 60 samples of 75189601 calls.
;;              Execution time mean : 3.811856 ns
;;     Execution time std-deviation : 0.235907 ns
;;    Execution time lower quantile : 3.628282 ns ( 2.5%)
;;    Execution time upper quantile : 4.291959 ns (97.5%)
;;                    Overhead used : 7.932535 ns

;; Found 4 outliers in 60 samples (6.6667 %)
;; 	low-severe	 3 (5.0000 %)
;; 	low-mild	 1 (1.6667 %)
;;  Variance from outliers : 46.7450 % Variance is moderately inflated by outliers

(criterium.core/bench (if-not* nil 1 2))
;; Evaluation count : 5057628360 in 60 samples of 84293806 calls.
;;              Execution time mean : 2.846601 ns
;;     Execution time std-deviation : 0.704062 ns
;;    Execution time lower quantile : 2.392742 ns ( 2.5%)
;;    Execution time upper quantile : 5.207902 ns (97.5%)
;;                    Overhead used : 7.932535 ns

;; Found 10 outliers in 60 samples (16.6667 %)
;; 	low-severe	 2 (3.3333 %)
;; 	low-mild	 8 (13.3333 %)
;;  Variance from outliers : 94.6158 % Variance is severely inflated by outliers


(criterium.core/bench (if-not true 1 2))
;; Evaluation count : 4470344280 in 60 samples of 74505738 calls.
;;              Execution time mean : 3.555208 ns
;;     Execution time std-deviation : 0.270488 ns
;;    Execution time lower quantile : 2.841357 ns ( 2.5%)
;;    Execution time upper quantile : 3.990131 ns (97.5%)
;;                    Overhead used : 7.932535 ns

;; Found 17 outliers in 60 samples (28.3333 %)
;; 	low-severe	 11 (18.3333 %)
;; 	low-mild	 1 (1.6667 %)
;; 	high-mild	 5 (8.3333 %)
;;  Variance from outliers : 56.8025 % Variance is severely inflated by outliers

(criterium.core/bench (if-not* true 1 2))
;; Evaluation count : 5094687420 in 60 samples of 84911457 calls.
;;              Execution time mean : 2.923711 ns
;;     Execution time std-deviation : 0.580214 ns
;;    Execution time lower quantile : 2.176261 ns ( 2.5%)
;;    Execution time upper quantile : 4.110925 ns (97.5%)
;;                    Overhead used : 7.932535 ns

;; Found 1 outliers in 60 samples (1.6667 %)
;; 	low-severe	 1 (1.6667 %)
;;  Variance from outliers : 91.1110 % Variance is severely inflated by outliers