More Optimizations!
- This essentially reduces the number of cache tag lookups for a structs fields to one.
What will I notice most!
Faster Struct, especially complex struct, validation!
New Benchmarks
$ go test -cpu=4 -bench=. -benchmem=true
PASS
BenchmarkFieldSuccess-4 10000000 162 ns/op 0 B/op 0 allocs/op
BenchmarkFieldFailure-4 2000000 678 ns/op 400 B/op 4 allocs/op
BenchmarkFieldDiveSuccess-4 500000 3079 ns/op 480 B/op 27 allocs/op
BenchmarkFieldDiveFailure-4 300000 3584 ns/op 880 B/op 31 allocs/op
BenchmarkFieldCustomTypeSuccess-4 5000000 345 ns/op 32 B/op 2 allocs/op
BenchmarkFieldCustomTypeFailure-4 2000000 650 ns/op 400 B/op 4 allocs/op
BenchmarkFieldOrTagSuccess-4 1000000 1188 ns/op 16 B/op 1 allocs/op
BenchmarkFieldOrTagFailure-4 1000000 1088 ns/op 432 B/op 6 allocs/op
BenchmarkStructLevelValidationSuccess-4 2000000 689 ns/op 160 B/op 6 allocs/op
BenchmarkStructLevelValidationFailure-4 1000000 1290 ns/op 592 B/op 11 allocs/op
BenchmarkStructSimpleCustomTypeSuccess-4 2000000 911 ns/op 80 B/op 5 allocs/op
BenchmarkStructSimpleCustomTypeFailure-4 1000000 1446 ns/op 624 B/op 11 allocs/op
BenchmarkStructPartialSuccess-4 1000000 1221 ns/op 384 B/op 10 allocs/op
BenchmarkStructPartialFailure-4 1000000 1764 ns/op 800 B/op 15 allocs/op
BenchmarkStructExceptSuccess-4 2000000 941 ns/op 336 B/op 7 allocs/op
BenchmarkStructExceptFailure-4 1000000 1237 ns/op 384 B/op 10 allocs/op
BenchmarkStructSimpleCrossFieldSuccess-4 2000000 970 ns/op 128 B/op 6 allocs/op
BenchmarkStructSimpleCrossFieldFailure-4 1000000 1560 ns/op 560 B/op 11 allocs/op
BenchmarkStructSimpleCrossStructCrossFieldSuccess-4 1000000 1542 ns/op 176 B/op 9 allocs/op
BenchmarkStructSimpleCrossStructCrossFieldFailure-4 1000000 2147 ns/op 608 B/op 14 allocs/op
BenchmarkStructSimpleSuccess-4 2000000 847 ns/op 48 B/op 3 allocs/op
BenchmarkStructSimpleFailure-4 1000000 1497 ns/op 624 B/op 11 allocs/op
BenchmarkStructSimpleSuccessParallel-4 5000000 257 ns/op 48 B/op 3 allocs/op
BenchmarkStructSimpleFailureParallel-4 2000000 586 ns/op 624 B/op 11 allocs/op
BenchmarkStructComplexSuccess-4 300000 5104 ns/op 496 B/op 29 allocs/op
BenchmarkStructComplexFailure-4 200000 9840 ns/op 3400 B/op 71 allocs/op
BenchmarkStructComplexSuccessParallel-4 1000000 1540 ns/op 496 B/op 29 allocs/op
BenchmarkStructComplexFailureParallel-4 500000 3478 ns/op 3400 B/op 71 allocs/opOld Benchmarks
$ go test -cpu=4 -bench=. -benchmem=true
PASS
BenchmarkFieldSuccess-4 10000000 163 ns/op 0 B/op 0 allocs/op
BenchmarkFieldFailure-4 2000000 673 ns/op 400 B/op 4 allocs/op
BenchmarkFieldDiveSuccess-4 500000 3019 ns/op 480 B/op 27 allocs/op
BenchmarkFieldDiveFailure-4 500000 3553 ns/op 880 B/op 31 allocs/op
BenchmarkFieldCustomTypeSuccess-4 5000000 347 ns/op 32 B/op 2 allocs/op
BenchmarkFieldCustomTypeFailure-4 2000000 645 ns/op 400 B/op 4 allocs/op
BenchmarkFieldOrTagSuccess-4 1000000 1177 ns/op 16 B/op 1 allocs/op
BenchmarkFieldOrTagFailure-4 1000000 1093 ns/op 432 B/op 6 allocs/op
BenchmarkStructLevelValidationSuccess-4 2000000 702 ns/op 160 B/op 6 allocs/op
BenchmarkStructLevelValidationFailure-4 1000000 1279 ns/op 592 B/op 11 allocs/op
BenchmarkStructSimpleCustomTypeSuccess-4 1000000 1010 ns/op 80 B/op 5 allocs/op
BenchmarkStructSimpleCustomTypeFailure-4 1000000 1544 ns/op 624 B/op 11 allocs/op
BenchmarkStructPartialSuccess-4 1000000 1249 ns/op 400 B/op 11 allocs/op
BenchmarkStructPartialFailure-4 1000000 1797 ns/op 816 B/op 16 allocs/op
BenchmarkStructExceptSuccess-4 2000000 927 ns/op 368 B/op 9 allocs/op
BenchmarkStructExceptFailure-4 1000000 1259 ns/op 400 B/op 11 allocs/op
BenchmarkStructSimpleCrossFieldSuccess-4 1000000 1076 ns/op 128 B/op 6 allocs/op
BenchmarkStructSimpleCrossFieldFailure-4 1000000 1623 ns/op 560 B/op 11 allocs/op
BenchmarkStructSimpleCrossStructCrossFieldSuccess-4 1000000 1582 ns/op 176 B/op 9 allocs/op
BenchmarkStructSimpleCrossStructCrossFieldFailure-4 1000000 2139 ns/op 608 B/op 14 allocs/op
BenchmarkStructSimpleSuccess-4 1000000 1040 ns/op 48 B/op 3 allocs/op
BenchmarkStructSimpleFailure-4 1000000 1683 ns/op 624 B/op 11 allocs/op
BenchmarkStructSimpleSuccessParallel-4 5000000 356 ns/op 48 B/op 3 allocs/op
BenchmarkStructSimpleFailureParallel-4 2000000 831 ns/op 624 B/op 11 allocs/op
BenchmarkStructComplexSuccess-4 200000 6738 ns/op 512 B/op 30 allocs/op
BenchmarkStructComplexFailure-4 200000 11387 ns/op 3415 B/op 72 allocs/op
BenchmarkStructComplexSuccessParallel-4 500000 2330 ns/op 512 B/op 30 allocs/op
BenchmarkStructComplexFailureParallel-4 300000 4857 ns/op 3416 B/op 72 allocs/opP.S. Don't know how much more performant I can make this, but if you have anymore ideas, let me know either in an issue or even just email me.