Perf: Increase speed and reduce memory allocations

[yunginnanet]

Old Benchmark

goos: linux
goarch: amd64
pkg: github.com/yunginnanet/Rate5
cpu: 13th Gen Intel(R) Core(TM) i9-13900K
BenchmarkCheck
BenchmarkCheck-32                            	15019285	       83.07 ns/op	     40 B/op	      3 allocs/op
BenchmarkCheckHardcore
BenchmarkCheckHardcore-32                    	6057589	      197.4 ns/op	     64 B/op	      5 allocs/op
BenchmarkCheckStrict
BenchmarkCheckStrict-32                      	6038204	      197.4 ns/op	     64 B/op	      5 allocs/op
BenchmarkCheckStringer
BenchmarkCheckStringer-32                    	12314049	       98.12 ns/op	     56 B/op	      4 allocs/op
BenchmarkPeek
BenchmarkPeek-32                             	25592062	       47.04 ns/op	      0 B/op	      0 allocs/op
BenchmarkConcurrentCheck
BenchmarkConcurrentCheck-32                  	8114398	      153.3 ns/op	     40 B/op	      3 allocs/op
BenchmarkConcurrentSetAndCheckHardcore
BenchmarkConcurrentSetAndCheckHardcore-32    	3432715	      337.3 ns/op	     64 B/op	      5 allocs/op
BenchmarkConcurrentSetAndCheckStrict
BenchmarkConcurrentSetAndCheckStrict-32      	3552456	      353.7 ns/op	     63 B/op	      5 allocs/op
BenchmarkConcurrentPeek
BenchmarkConcurrentPeek-32                   	13633239	       88.90 ns/op	      0 B/op	      0 allocs/op

New Benchmark

goos: linux
goarch: amd64
pkg: github.com/yunginnanet/Rate5
cpu: 13th Gen Intel(R) Core(TM) i9-13900K
BenchmarkCheck
BenchmarkCheck-32                            	19209324	       65.89 ns/op	     32 B/op	      2 allocs/op
BenchmarkCheckHardcore
BenchmarkCheckHardcore-32                    	6872553	      178.7 ns/op	     48 B/op	      3 allocs/op
BenchmarkCheckStrict
BenchmarkCheckStrict-32                      	6791085	      172.1 ns/op	     48 B/op	      3 allocs/op
BenchmarkCheckStringer
BenchmarkCheckStringer-32                    	15779043	       79.50 ns/op	     48 B/op	      3 allocs/op
BenchmarkPeek
BenchmarkPeek-32                             	125360696	        9.582 ns/op	      0 B/op	      0 allocs/op
BenchmarkConcurrentCheck
BenchmarkConcurrentCheck-32                  	22843929	       53.54 ns/op	     32 B/op	      3 allocs/op
BenchmarkConcurrentSetAndCheckHardcore
BenchmarkConcurrentSetAndCheckHardcore-32    	4099572	      287.1 ns/op	     48 B/op	      3 allocs/op
BenchmarkConcurrentSetAndCheckStrict
BenchmarkConcurrentSetAndCheckStrict-32      	4044066	      289.0 ns/op	     48 B/op	      3 allocs/op
BenchmarkConcurrentPeek
BenchmarkConcurrentPeek-32                   	41687407	       32.93 ns/op	      0 B/op	      0 allocs/op
PASS