Implement wand-like optimization for boolean query

[MBkkt]

Also:

• Compute score single time
• Make wand score compatible work
• Add wand optimization for conjunction, disjunction and min_match

master:

Index read time calls:1, time: 50293 us, avg call: 50293 us
Order build time calls:1, time: 1 us, avg call: 1 us
Query building (AndHighHigh) time calls:1000, time: 27679 us, avg call: 27.679 us
Query building (AndHighLow) time calls:1000, time: 20964 us, avg call: 20.964 us
Query building (AndHighMed) time calls:1000, time: 28698 us, avg call: 28.698 us
Query building (HighTerm) time calls:282, time: 1560 us, avg call: 5.53191 us
Query building (LowTerm) time calls:1000, time: 8037 us, avg call: 8.037 us
Query building (MedTerm) time calls:1000, time: 6794 us, avg call: 6.794 us
Query building (MinMatch2High2Med) time calls:2, time: 320 us, avg call: 160 us
Query building (Or4High) time calls:2, time: 78 us, avg call: 39 us
Query building (Or6High4Med2Low) time calls:2, time: 203 us, avg call: 101.5 us
Query execution (AndHighHigh) time calls:1000, time: 84034036 us, avg call: 84034 us
Query execution (AndHighLow) time calls:1000, time: 1891038 us, avg call: 1891.04 us
Query execution (AndHighMed) time calls:1000, time: 29832592 us, avg call: 29832.6 us
Query execution (HighTerm) time calls:282, time: 55568 us, avg call: 197.05 us
Query execution (LowTerm) time calls:1000, time: 240645 us, avg call: 240.645 us
Query execution (MedTerm) time calls:1000, time: 230304 us, avg call: 230.304 us
Query execution (MinMatch2High2Med) time calls:2, time: 1095620 us, avg call: 547810 us
Query execution (Or4High) time calls:2, time: 1831226 us, avg call: 915613 us
Query execution (Or6High4Med2Low) time calls:2, time: 3189758 us, avg call: 1.59488e+06 us
Total Time calls:1, time: 384756430 us, avg call: 3.84756e+08 us

this branch:

Index read time calls:1, time: 49971 us, avg call: 49971 us
Order build time calls:1, time: 1 us, avg call: 1 us
Query building (AndHighHigh) time calls:1000, time: 21830 us, avg call: 21.83 us
Query building (AndHighLow) time calls:1000, time: 20462 us, avg call: 20.462 us
Query building (AndHighMed) time calls:1000, time: 22017 us, avg call: 22.017 us
Query building (HighTerm) time calls:282, time: 1846 us, avg call: 6.5461 us
Query building (LowTerm) time calls:1000, time: 6599 us, avg call: 6.599 us
Query building (MedTerm) time calls:1000, time: 6743 us, avg call: 6.743 us
Query building (MinMatch2High2Med) time calls:2, time: 314 us, avg call: 157 us
Query building (Or4High) time calls:2, time: 99 us, avg call: 49.5 us
Query building (Or6High4Med2Low) time calls:2, time: 208 us, avg call: 104 us
Query execution (AndHighHigh) time calls:1000, time: 32042074 us, avg call: 32042.1 us
Query execution (AndHighLow) time calls:1000, time: 1538670 us, avg call: 1538.67 us
Query execution (AndHighMed) time calls:1000, time: 15533962 us, avg call: 15534 us
Query execution (HighTerm) time calls:282, time: 55386 us, avg call: 196.404 us
Query execution (LowTerm) time calls:1000, time: 228807 us, avg call: 228.807 us
Query execution (MedTerm) time calls:1000, time: 227585 us, avg call: 227.585 us
Query execution (MinMatch2High2Med) time calls:2, time: 809330 us, avg call: 404665 us
Query execution (Or4High) time calls:2, time: 1342383 us, avg call: 671192 us
Query execution (Or6High4Med2Low) time calls:2, time: 2340679 us, avg call: 1.17034e+06 us
Total Time calls:1, time: 316445536 us, avg call: 3.16446e+08 us

[Dronplane]

LGTM in general. Some minor comments.

[Dronplane]

LGTM