redis.clj

(def commonly-used-str->keyword
  {"precise" :precise
   "messy" :messy
   "active" :active
   "control" :control})

(defn fast-keywordize [k]
  (get commonly-used-str->keyword k))

(defn third-way [k]
  (case k
    "precise" :precise
    "messy" :messy
    "active" :active
    "control" :control))

(comment
  (quick-bench
   (do
     (commonly-used-str->keyword "precise")
     (commonly-used-str->keyword "messy")
     (commonly-used-str->keyword "active")
     (commonly-used-str->keyword "control")))

  WARNING: Final GC required 75.52538636612081 % of runtime
Evaluation count : 3064998 in 6 samples of 510833 calls.
             Execution time mean : 190.757370 ns
    Execution time std-deviation : 2.996956 ns
   Execution time lower quantile : 187.634693 ns ( 2.5%)
   Execution time upper quantile : 195.547993 ns (97.5%)
                   Overhead used : 8.709319 ns

Found 1 outliers in 6 samples (16.6667 %)
	low-severe	 1 (16.6667 %)
 Variance from outliers : 13.8889 % Variance is moderately inflated by outliers

  (quick-bench
   (do
     (fast-keywordize "precise")
     (fast-keywordize "messy")
     (fast-keywordize "active")
     (fast-keywordize "control")))

WARNING: Final GC required 76.45870578120596 % of runtime
Evaluation count : 2928858 in 6 samples of 488143 calls.
             Execution time mean : 195.451484 ns
    Execution time std-deviation : 1.086166 ns
   Execution time lower quantile : 194.378711 ns ( 2.5%)
   Execution time upper quantile : 197.043913 ns (97.5%)
                   Overhead used : 8.709319 ns
  
  (quick-bench
   (do
     (third-way "precise")
     (third-way "messy")
     (third-way "active")
     (third-way "control")))

WARNING: Final GC required 88.42201158444317 % of runtime
Evaluation count : 13368582 in 6 samples of 2228097 calls.
             Execution time mean : 36.474830 ns
    Execution time std-deviation : 0.273833 ns
   Execution time lower quantile : 36.082268 ns ( 2.5%)
   Execution time upper quantile : 36.783427 ns (97.5%)
                   Overhead used : 8.709319 ns

  )