Details

Time bar (total: 14.7s)

sample26.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify2.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01621
13221
27021
313021
428021
550021
682721
7173221
8354621
done500021

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.4b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ x y) z)
1.3b
(+ (* (+ x y) z) (* (+ t y) a))
2.8b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
24.8b
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
18×add-sqr-sqrt
16×add-cube-cbrt
15×times-frac
13×distribute-lft-out
11×add-log-exp
10×associate-*l/
add-exp-log add-cbrt-cube
flip3-+ flip-+
pow1
associate-/r*
associate-*l* frac-add
associate-*r* associate-/l*
flip3-- diff-log sum-log associate-/r/ flip-- associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg div-sub div-exp pow-prod-down prod-exp associate--l+ clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 90
Calls
4 calls:
10.0ms
(* (+ x y) z)
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
36.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
83.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

series796.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (+ x y) z)
54.0ms
(+ (* (+ x y) z) (* (+ t y) a))
105.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
615.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

simplify650.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (162.0ms)

IterNodesCost
01792307
15322205
221532077
done50002077

prune358.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 7.6b

localize17.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))))
1.3b
(+ (* (+ x y) z) (* (+ t y) a))
2.8b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
24.9b
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
152×*-un-lft-identity
138×times-frac
72×add-sqr-sqrt add-cube-cbrt
48×distribute-lft-out
24×associate-/r*
17×add-exp-log
11×associate-/r/ add-cbrt-cube add-log-exp
div-exp associate-*l/ associate-/l*
flip3-- flip3-+ flip-- flip-+ div-inv
pow1
cbrt-undiv frac-add
rec-exp frac-2neg diff-log 1-exp clear-num sum-log associate-/l/
+-commutative sub-neg pow-flip associate--l+ inv-pow
Counts
4 → 176
Calls
4 calls:
59.0ms
(/ 1 (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))))
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
36.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
68.0ms
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

series862.0ms

Counts
4 → 12
Calls
4 calls:
596.0ms
(/ 1 (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))))
53.0ms
(+ (* (+ x y) z) (* (+ t y) a))
104.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
108.0ms
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

simplify1.3s

Counts
188 → 188
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02626527
17216159
227745714
done50005706

prune407.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.2b
(pow (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))) -1)
1.3b
(+ (* (+ x y) z) (* (+ t y) a))
2.8b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
24.9b
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

rewrite173.0ms

Algorithm
rewrite-expression-head
Rules
59×*-un-lft-identity
30×times-frac
24×add-sqr-sqrt add-cube-cbrt
21×unpow-prod-down distribute-lft-out
11×add-log-exp
add-exp-log
associate-*l/
flip3-+ add-cbrt-cube flip-+
pow1 associate-/l*
frac-add associate-/r/
pow-unpow flip3-- associate-/r* flip--
diff-log div-exp pow-exp sum-log div-inv associate-/l/
cbrt-undiv +-commutative pow-to-exp sub-neg unpow-1 pow-pow frac-2neg associate--l+ clear-num sqr-pow
Counts
4 → 105
Calls
4 calls:
60.0ms
(pow (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))) -1)
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
35.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
67.0ms
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

series2.3s

Counts
4 → 12
Calls
4 calls:
2.1s
(pow (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))) -1)
52.0ms
(+ (* (+ x y) z) (* (+ t y) a))
102.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
103.0ms
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

simplify676.0ms

Counts
117 → 117
Iterations

Useful iterations: done (672.0ms)

IterNodesCost
02013583
16133453
223923285
done50003237

prune352.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 4.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (+ (+ x t) y) -1)
2.1b
(- (* (+ t y) a) (* y b))
2.2b
(+ (- (* (+ t y) a) (* y b)) (* (+ x y) z))
24.9b
(* (pow (+ (+ x t) y) -1) (+ (- (* (+ t y) a) (* y b)) (* (+ x y) z)))

rewrite196.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
14×add-sqr-sqrt
13×associate-*l/
12×frac-add
11×unpow-prod-down add-log-exp
10×add-exp-log
add-cube-cbrt flip3-+ associate-*l* flip-+
unpow-1
flip3-- flip--
frac-times associate-*r/ add-cbrt-cube distribute-lft-out
pow1
pow-unpow associate-*r* prod-exp unswap-sqr sqr-pow
pow-to-exp sub-neg associate-+l+ diff-log pow-exp sum-log
+-commutative distribute-rgt-in associate-+l- pow-pow distribute-lft-in *-commutative cbrt-unprod
Counts
4 → 93
Calls
4 calls:
20.0ms
(pow (+ (+ x t) y) -1)
5.0ms
(- (* (+ t y) a) (* y b))
24.0ms
(+ (- (* (+ t y) a) (* y b)) (* (+ x y) z))
144.0ms
(* (pow (+ (+ x t) y) -1) (+ (- (* (+ t y) a) (* y b)) (* (+ x y) z)))

series744.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(pow (+ (+ x t) y) -1)
33.0ms
(- (* (+ t y) a) (* y b))
94.0ms
(+ (- (* (+ t y) a) (* y b)) (* (+ x y) z))
563.0ms
(* (pow (+ (+ x t) y) -1) (+ (- (* (+ t y) a) (* y b)) (* (+ x y) z)))

simplify1.4s

Counts
105 → 105
Iterations

Useful iterations: 2 (194.0ms)

IterNodesCost
01712817
15862652
234052475
done50002475

prune306.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 4.1b

regimes825.0ms

Accuracy

85.9% (3.1b remaining)

Error of 7.5b against oracle of 4.4b and baseline of 26.4b

bsearch2.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02981
14575
24775
done4775

end0.0ms

sample617.0ms

Algorithm
intervals
Results
349.0ms8000×body80valid