Details

Time bar (total: 13.5s)

sample27.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 4 (51.0ms)

IterNodesCost
01621
13320
27820
315420
437119
570719
6118819
7241419
done500019

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.9b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ t y) a)
1.6b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
1.8b
(+ (* (+ x y) z) (* (+ t y) a))
23.3b
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
20×add-sqr-sqrt
18×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*
expm1-log1p-u associate-*l* frac-add log1p-expm1-u
fma-neg associate-*r* prod-diff associate-/l*
flip3-- diff-log sum-log associate-/r/ flip-- associate-/l/
cbrt-undiv +-commutative sub-neg fma-def frac-2neg div-sub div-exp pow-prod-down prod-exp associate--l+ clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 105
Calls
4 calls:
12.0ms
(* (+ t y) a)
40.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
85.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

series870.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* (+ t y) a)
113.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
54.0ms
(+ (* (+ x y) z) (* (+ t y) a))
680.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

simplify817.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (201.0ms)

IterNodesCost
01922540
15752315
223282102
done50002102

prune483.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.6b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ t y) a)
1.6b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
1.8b
(+ (* (+ x y) z) (* (+ t y) a))
23.4b
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

rewrite203.0ms

Algorithm
rewrite-expression-head
Rules
36×*-un-lft-identity
27×add-sqr-sqrt
24×associate-*r*
18×add-cube-cbrt
17×times-frac
15×add-exp-log
12×associate-*l/
11×add-cbrt-cube add-log-exp
10×distribute-lft-out
pow1
flip3-+ associate-*l* flip-+
prod-exp
expm1-log1p-u frac-add log1p-expm1-u unswap-sqr
flip3-- fma-neg prod-diff flip-- cbrt-unprod
frac-times diff-log div-exp pow-prod-down sum-log associate-/r/ *-commutative
cbrt-undiv +-commutative sub-neg rec-exp fma-def 1-exp associate-*r/ associate--l+ un-div-inv div-inv
Counts
4 → 113
Calls
4 calls:
10.0ms
(* (+ t y) a)
42.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
141.0ms
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

series797.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(* (+ t y) a)
102.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
48.0ms
(+ (* (+ x y) z) (* (+ t y) a))
621.0ms
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

simplify1.1s

Counts
125 → 125
Iterations

Useful iterations: 2 (227.0ms)

IterNodesCost
02192652
16632344
228002043
done50002043

prune422.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.6b

localize19.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt a)
1.6b
(- (+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a))) (* y b))
1.8b
(+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a)))
23.3b
(/ (- (+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a))) (* y b)) (+ (+ x t) y))

rewrite150.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
17×add-sqr-sqrt add-cube-cbrt
15×times-frac
12×associate-*l/ distribute-lft-out
11×add-log-exp
add-exp-log flip3-+ add-cbrt-cube flip-+
associate-/r*
pow1 expm1-log1p-u frac-add log1p-expm1-u
cbrt-prod fma-neg prod-diff associate-/l*
flip3-- diff-log sum-log associate-/r/ flip-- associate-/l/
cbrt-undiv +-commutative sub-neg fma-def frac-2neg pow1/3 div-sub div-exp associate--l+ clear-num div-inv
Counts
4 → 95
Calls
4 calls:
1.0ms
(cbrt a)
48.0ms
(- (+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a))) (* y b))
9.0ms
(+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a)))
90.0ms
(/ (- (+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a))) (* y b)) (+ (+ x t) y))

series1.2s

Counts
4 → 12
Calls
4 calls:
209.0ms
(cbrt a)
189.0ms
(- (+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a))) (* y b))
116.0ms
(+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a)))
729.0ms
(/ (- (+ (* (+ x y) z) (* (* (+ t y) (* (cbrt a) (cbrt a))) (cbrt a))) (* y b)) (+ (+ x t) y))

simplify757.0ms

Counts
107 → 107
Iterations

Useful iterations: 2 (194.0ms)

IterNodesCost
01933226
15732993
222631997
done50001997

prune415.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 5.6b

localize27.0ms

Local error

Found 4 expressions with local error:

2.8b
(fma z (+ x y) (fma t a (* y (- a b))))
23.3b
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))
23.3b
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))
23.3b
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
94×*-un-lft-identity
45×times-frac
36×distribute-lft-out
34×add-sqr-sqrt add-cube-cbrt
15×associate-/r*
10×add-exp-log add-cbrt-cube
associate-/l*
associate-/r/
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
fma-udef
Counts
4 → 127
Calls
4 calls:
0.0ms
(fma z (+ x y) (fma t a (* y (- a b))))
18.0ms
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))
18.0ms
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))
18.0ms
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))

series1.6s

Counts
4 → 12
Calls
4 calls:
116.0ms
(fma z (+ x y) (fma t a (* y (- a b))))
481.0ms
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))
479.0ms
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))
478.0ms
(/ (fma z (+ x y) (fma t a (* y (- a b)))) (+ (+ x t) y))

simplify840.0ms

Counts
139 → 139
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
0813706
11803627
25253371
319493371
done50013371

prune546.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 5.6b

regimes490.0ms

Accuracy

15.2% (14.9b remaining)

Error of 23.4b against oracle of 8.5b and baseline of 26.1b

bsearch233.0ms

Steps
ItersRangePoint
8
9.688319091200168e+210
4.7471826758723055e+213
2.7492352456446427e+212
9
-1.65136639351713e-266
-7.451480749479347e-273
-1.6194793515167915e-266
8
-6.170392859290159e-228
-2.0779468591431954e-230
-2.1108017491855503e-230
8
-8.278918965766029e+130
-2.283374321947351e+128
-2.0102242405280762e+130

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03065
14165
done4165

end0.0ms

sample666.0ms

Algorithm
intervals
Results
381.0ms7998×body80valid
0.0msbody320valid
0.0msbody160valid