Return number of analyzed positions

This commit is contained in:
Trevor Slocum 2024-11-22 00:31:40 -08:00
parent d112a9463c
commit 2be040d10c
6 changed files with 91 additions and 5 deletions

View file

@ -1,5 +1,5 @@
# tabula - Backgammon analysis engine
[![GoDoc](https://code.rocket9labs.com/tslocum/godoc-static/raw/branch/master/badge.svg)](https://docs.rocket9labs.com/code.rocket9labs.com/tslocum/tabula)
[![GoDoc](https://code.rocket9labs.com/tslocum/godoc-static/raw/branch/main/badge.svg)](https://docs.rocket9labs.com/code.rocket9labs.com/tslocum/tabula)
[![Donate via LiberaPay](https://img.shields.io/liberapay/receives/rocket9labs.com.svg?logo=liberapay)](https://liberapay.com/rocket9labs.com)
Information on the design of the engine is documented in [DESIGN.md](https://code.rocket9labs.com/tslocum/tabula/src/branch/main/DESIGN.md).

View file

@ -76,7 +76,10 @@ type Analysis struct {
hitScore int
chance int
skipOpp bool
wg *sync.WaitGroup
evaluated int
wg *sync.WaitGroup
}
func (a *Analysis) _analyze() {
@ -97,6 +100,7 @@ func (a *Analysis) _analyze() {
a.Past = a.Board.Past()
}
a.Board.evaluate(a.player, hs, a)
a.evaluated++
if a.player == 1 && !a.Past && !a.skipOpp {
a.wg.Add(21)
@ -132,6 +136,7 @@ func (a *Analysis) _analyze() {
a.wg.Done()
return
}
a.evaluated += len(available)
a.wg.Add(len(available))
for _, moves := range available {
a := &Analysis{

16
bei.go
View file

@ -7,11 +7,17 @@ import (
"log"
"net"
"strconv"
"time"
"code.rocket9labs.com/tslocum/bei"
"golang.org/x/text/language"
"golang.org/x/text/message"
)
var msgPrinter = message.NewPrinter(language.English)
type BEIServer struct {
Verbose bool
}
func NewBEIServer() *BEIServer {
@ -55,8 +61,16 @@ func (s *BEIServer) handleConnection(conn net.Conn) {
return
}
var t time.Time
available, _ := b.Available(1)
b.Analyze(available, &analysis, false)
if s.Verbose {
t = time.Now()
}
analyzedPositions := b.Analyze(available, &analysis, false)
if s.Verbose {
delta := time.Since(t)
log.Println(msgPrinter.Sprintf("Analyzed %d positions in %s. (%d/ms)", analyzedPositions, delta.Round(time.Millisecond), analyzedPositions/int(delta.Milliseconds())))
}
var move *bei.Move
if len(analysis) > 0 {
move = &bei.Move{}

View file

@ -712,7 +712,7 @@ func (b Board) Evaluation(player int8, hitScore int, moves [4][2]int8) *Analysis
return a
}
func (b Board) Analyze(available [][4][2]int8, result *[]*Analysis, skipOpponent bool) {
func (b Board) Analyze(available [][4][2]int8, result *[]*Analysis, skipOpponent bool) (analyzedPositions int) {
if len(available) == 0 {
*result = (*result)[:0]
return
@ -792,6 +792,7 @@ func (b Board) Analyze(available [][4][2]int8, result *[]*Analysis, skipOpponent
if a.player == 1 && !past && a.Past {
a.Score += priorityScore
}
analyzedPositions += a.evaluated
}
if b[SpaceVariant] != VariantTabula && b.StartingPosition(1) {
@ -872,6 +873,7 @@ func (b Board) Analyze(available [][4][2]int8, result *[]*Analysis, skipOpponent
sort.Slice(*result, func(i, j int) bool {
return (*result)[i].Score < (*result)[j].Score
})
return analyzedPositions
}
func (b Board) StartingPosition(player int8) bool {

5
go.mod
View file

@ -2,4 +2,7 @@ module code.rocket9labs.com/tslocum/tabula
go 1.17
require code.rocket9labs.com/tslocum/bei v0.0.0-20240108012722-6db380cc190b
require (
code.rocket9labs.com/tslocum/bei v0.0.0-20240108012722-6db380cc190b
golang.org/x/text v0.20.0
)

62
go.sum
View file

@ -1,2 +1,64 @@
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code.rocket9labs.com/tslocum/bei v0.0.0-20240108012722-6db380cc190b/go.mod h1:tS60/VNAJphKvDBkSLQhKALa15msIAuWWfEKNc4oFZc=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
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