Details

Time bar (total: 13.2s)

sample25.0ms

Algorithm
intervals
Results
11.0ms256×body80valid

simplify3.9s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01621
13221
27021
312821
427521
548321
680521
7165021
8317921
9490121
done500021

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.4b

localize15.0ms

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))

rewrite128.0ms

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:
11.0ms
(* (+ x y) z)
5.0ms
(+ (* (+ x y) z) (* (+ t y) a))
32.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
76.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

series761.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (+ x y) z)
46.0ms
(+ (* (+ x y) z) (* (+ t y) a))
102.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
592.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

simplify633.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (178.0ms)

IterNodesCost
01792307
15242205
219832077
done50002077

prune341.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 7.6b

localize16.0ms

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)))

rewrite160.0ms

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:
52.0ms
(/ 1 (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))))
7.0ms
(+ (* (+ x y) z) (* (+ t y) a))
32.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
61.0ms
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

series842.0ms

Counts
4 → 12
Calls
4 calls:
590.0ms
(/ 1 (/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))))
48.0ms
(+ (* (+ x y) z) (* (+ t y) a))
106.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
99.0ms
(/ (+ (+ x t) y) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

simplify790.0ms

Counts
188 → 188
Iterations

Useful iterations: done (783.0ms)

IterNodesCost
02626527
17066083
223715714
done50005706

prune396.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ x t) y))
1.3b
(+ (* (+ x y) z) (* (+ t y) a))
2.8b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
24.9b
(* (/ 1 (+ (+ x t) y)) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

rewrite170.0ms

Algorithm
rewrite-expression-head
Rules
60×*-un-lft-identity
32×times-frac
31×add-sqr-sqrt
24×add-cube-cbrt
21×associate-*l* distribute-lft-out
17×add-exp-log
11×add-cbrt-cube add-log-exp
associate-*l/
pow1 flip3-+ flip-+
associate-/r*
div-exp frac-add prod-exp associate-/r/
distribute-rgt-in sub-neg flip3-- distribute-lft-in associate-*r* associate--l+ flip-- associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp diff-log 1-exp associate-*r/ sum-log cbrt-unprod div-inv
+-commutative pow-flip frac-2neg pow-prod-down clear-num *-commutative inv-pow
Counts
4 → 123
Calls
4 calls:
18.0ms
(/ 1 (+ (+ x t) y))
5.0ms
(+ (* (+ x y) z) (* (+ t y) a))
32.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
109.0ms
(* (/ 1 (+ (+ x t) y)) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

series783.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(/ 1 (+ (+ x t) y))
46.0ms
(+ (* (+ x y) z) (* (+ t y) a))
101.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
578.0ms
(* (/ 1 (+ (+ x t) y)) (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))

simplify772.0ms

Counts
135 → 135
Iterations

Useful iterations: 2 (219.0ms)

IterNodesCost
02062904
16112659
223592439
done50002439

prune350.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 4.1b

localize21.0ms

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)) (+ y (+ x t)))

rewrite117.0ms

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:
9.0ms
(* (+ x y) z)
5.0ms
(+ (* (+ x y) z) (* (+ t y) a))
31.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
69.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ y (+ x t)))

series726.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* (+ x y) z)
49.0ms
(+ (* (+ x y) z) (* (+ t y) a))
94.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
563.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ y (+ x t)))

simplify571.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (157.0ms)

IterNodesCost
01792307
15252205
219842077
done50012077

prune314.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 4.1b

regimes679.0ms

Accuracy

85.9% (3.1b remaining)

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

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03084
14478
done4478

end0.0ms

sample614.0ms

Algorithm
intervals
Results
349.0ms8000×body80valid