Details

Time bar (total: 11.6s)

sample16.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify13.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0911
11511
22211
32511
42611
done2611

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 1 expressions with local error:

7.6b
(/ y (+ 1.0 (/ (* x y) 2.0)))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
12×times-frac
10×add-sqr-sqrt add-cube-cbrt
associate-/r* distribute-lft-out
add-exp-log add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv add-log-exp
Counts
1 → 33
Calls
1 calls:
16.0ms
(/ y (+ 1.0 (/ (* x y) 2.0)))

series77.0ms

Counts
1 → 3
Calls
1 calls:
77.0ms
(/ y (+ 1.0 (/ (* x y) 2.0)))

simplify1.4s

Counts
36 → 36
Iterations

Useful iterations: 3 (471.0ms)

IterNodesCost
089584
1208565
2587519
31723517
done5000517

prune100.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ 1 (/ (+ 1.0 (/ (* x y) 2.0)) y))
7.6b
(/ (+ 1.0 (/ (* x y) 2.0)) y)

rewrite101.0ms

Algorithm
rewrite-expression-head
Rules
108×times-frac
92×*-un-lft-identity
60×add-sqr-sqrt add-cube-cbrt
19×associate-/r*
16×distribute-lft-out
15×add-exp-log
add-cbrt-cube
div-exp
associate-/l*
div-inv
cbrt-undiv
pow1
rec-exp frac-2neg 1-exp clear-num associate-/l/ add-log-exp
pow-flip flip3-+ associate-/r/ flip-+ inv-pow
Counts
2 → 121
Calls
2 calls:
34.0ms
(/ 1 (/ (+ 1.0 (/ (* x y) 2.0)) y))
57.0ms
(/ (+ 1.0 (/ (* x y) 2.0)) y)

series168.0ms

Counts
2 → 6
Calls
2 calls:
83.0ms
(/ 1 (/ (+ 1.0 (/ (* x y) 2.0)) y))
84.0ms
(/ (+ 1.0 (/ (* x y) 2.0)) y)

simplify2.2s

Counts
127 → 127
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01892414
14292119
29711898
325071872
done50001872

prune250.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize14.0ms

Local error

Found 1 expressions with local error:

0.1b
(/ 1 (+ (* 0.5 x) (/ 1.0 y)))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
add-exp-log
associate-/r* add-cbrt-cube associate-/l*
pow1 div-exp associate-/r/
cbrt-undiv rec-exp pow-flip frac-2neg flip3-+ 1-exp clear-num flip-+ div-inv inv-pow add-log-exp
Counts
1 → 33
Calls
1 calls:
22.0ms
(/ 1 (+ (* 0.5 x) (/ 1.0 y)))

series59.0ms

Counts
1 → 3
Calls
1 calls:
58.0ms
(/ 1 (+ (* 0.5 x) (/ 1.0 y)))

simplify3.1s

Counts
36 → 36
Iterations

Useful iterations: 3 (442.0ms)

IterNodesCost
088559
1210510
2564466
31506464
44442464
done5000464

prune74.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (/ (* x y) 2.0) (/ (* x y) 2.0))
4.0b
(/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0))))
15.4b
(* (/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0)))) (- 1.0 (/ (* x y) 2.0)))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
46×add-exp-log add-cbrt-cube
38×add-sqr-sqrt
37×times-frac
31×*-un-lft-identity
29×add-cube-cbrt
25×associate-*l*
17×prod-exp cbrt-unprod
14×cbrt-undiv div-exp
12×pow1 associate-*r*
difference-of-squares
swap-sqr
div-inv
flip3-- associate-/r* associate-/r/ flip--
frac-times associate-*r/ associate-/l* add-log-exp unswap-sqr
distribute-rgt-in sub-neg distribute-lft-in pow-prod-down associate-*l/ *-commutative
pow2 frac-2neg pow-plus clear-num pow-sqr pow-prod-up distribute-lft-out--
Counts
3 → 136
Calls
3 calls:
32.0ms
(* (/ (* x y) 2.0) (/ (* x y) 2.0))
15.0ms
(/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0))))
92.0ms
(* (/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0)))) (- 1.0 (/ (* x y) 2.0)))

series276.0ms

Counts
3 → 9
Calls
3 calls:
53.0ms
(* (/ (* x y) 2.0) (/ (* x y) 2.0))
77.0ms
(/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0))))
146.0ms
(* (/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0)))) (- 1.0 (/ (* x y) 2.0)))

simplify2.0s

Counts
145 → 145
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02483485
16673196
226222752
done50012182

prune522.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes34.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11411
done1411

end0.0ms

sample992.0ms

Algorithm
intervals
Results
792.0ms7996×body80valid
1.0msbody2560valid
0.0msbody1280valid
0.0msbody640valid