Details

Time bar (total: 22.5s)

sample51.0ms

Algorithm
intervals
Results
23.0ms256×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 4 (148.0ms)

IterNodesCost
01621
13320
27920
320120
463719
5224019
6495219
done500019

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.9b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ t y) a)
1.9b
(+ (* (+ x y) z) (* (+ t y) a))
2.0b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
25.3b
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

rewrite420.0ms

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:
28.0ms
(* (+ t y) a)
20.0ms
(+ (* (+ x y) z) (* (+ t y) a))
125.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
241.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

series1.0s

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (+ t y) a)
79.0ms
(+ (* (+ x y) z) (* (+ t y) a))
140.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
778.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

simplify1.6s

Counts
117 → 117
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01922540
15742315
225592104
done50022080

prune523.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 9.5b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ x t) y))
1.9b
(+ (* (+ x y) z) (* (+ t y) a))
2.0b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
25.4b
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

rewrite475.0ms

Algorithm
rewrite-expression-head
Rules
62×*-un-lft-identity
33×add-sqr-sqrt
32×times-frac
26×add-cube-cbrt
21×associate-*r* distribute-lft-out
17×add-exp-log
11×add-cbrt-cube add-log-exp
10×associate-*l/
pow1 flip3-+ flip-+
associate-/r*
expm1-log1p-u div-exp frac-add prod-exp associate-/r/ log1p-expm1-u
flip3-- fma-neg associate-*l* prod-diff flip-- associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp diff-log 1-exp sum-log cbrt-unprod div-inv
+-commutative sub-neg pow-flip fma-def frac-2neg associate-*r/ pow-prod-down associate--l+ clear-num un-div-inv *-commutative inv-pow
Counts
4 → 133
Calls
4 calls:
39.0ms
(/ 1 (+ (+ x t) y))
16.0ms
(+ (* (+ x y) z) (* (+ t y) a))
88.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
327.0ms
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

series1.1s

Counts
4 → 12
Calls
4 calls:
83.0ms
(/ 1 (+ (+ x t) y))
72.0ms
(+ (* (+ x y) z) (* (+ t y) a))
142.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
762.0ms
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

simplify3.5s

Counts
145 → 145
Iterations

Useful iterations: 2 (665.0ms)

IterNodesCost
02072953
16262602
242672274
done50002274

prune597.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 9.5b

localize61.0ms

Local error

Found 4 expressions with local error:

5.8b
(/ (* (cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))) (cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))) (/ (+ (+ x t) y) (cbrt (fma z (+ x y) (fma a t (* y (- a b)))))))
26.0b
(cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))
26.0b
(cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))
26.0b
(cbrt (fma z (+ x y) (fma a t (* y (- a b)))))

rewrite363.0ms

Algorithm
rewrite-expression-head
Rules
101×*-un-lft-identity
94×times-frac
41×add-sqr-sqrt add-cube-cbrt
39×cbrt-prod
36×distribute-lft-out
34×associate-/r*
16×add-exp-log cbrt-div
10×add-cbrt-cube
flip3-- flip-- associate-/l/
cbrt-undiv div-exp
pow1 expm1-log1p-u frac-times log1p-expm1-u add-log-exp
pow1/3 div-inv
associate-*r/ associate-*l/ prod-exp cbrt-unprod
frac-2neg clear-num associate-/r/ associate-/l*
Counts
4 → 141
Calls
4 calls:
236.0ms
(/ (* (cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))) (cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))) (/ (+ (+ x t) y) (cbrt (fma z (+ x y) (fma a t (* y (- a b)))))))
55.0ms
(cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))
61.0ms
(cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))
1.0ms
(cbrt (fma z (+ x y) (fma a t (* y (- a b)))))

series2.7s

Counts
4 → 12
Calls
4 calls:
1.4s
(/ (* (cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))) (cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))) (/ (+ (+ x t) y) (cbrt (fma z (+ x y) (fma a t (* y (- a b)))))))
486.0ms
(cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))
493.0ms
(cbrt (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)))
311.0ms
(cbrt (fma z (+ x y) (fma a t (* y (- a b)))))

simplify2.6s

Counts
153 → 153
Iterations

Useful iterations: done (2.5s)

IterNodesCost
02257747
16217282
241516795
done50006787

prune697.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 9.5b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (- a b))
0.0b
(/ 1 (+ (+ x t) y))
0.5b
(fma t a (* y (- a b)))
17.5b
(* (fma t a (* y (- a b))) (/ 1 (+ (+ x t) y)))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
76×*-un-lft-identity
49×add-sqr-sqrt
38×add-cube-cbrt
32×times-frac
26×associate-*r*
21×distribute-lft-out
19×add-exp-log
18×prod-diff
13×add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
pow1
associate-*l*
prod-exp associate-/r*
expm1-log1p-u div-exp associate-/r/ log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ cbrt-unprod associate-/l*
cbrt-undiv sub-neg rec-exp flip3-+ 1-exp pow-prod-down *-commutative flip-+ div-inv
flip3-- pow-flip frac-2neg clear-num un-div-inv flip-- fma-udef distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 145
Calls
4 calls:
22.0ms
(* y (- a b))
36.0ms
(/ 1 (+ (+ x t) y))
0.0ms
(fma t a (* y (- a b)))
79.0ms
(* (fma t a (* y (- a b))) (/ 1 (+ (+ x t) y)))

series238.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* y (- a b))
59.0ms
(/ 1 (+ (+ x t) y))
36.0ms
(fma t a (* y (- a b)))
105.0ms
(* (fma t a (* y (- a b))) (/ 1 (+ (+ x t) y)))

simplify1.0s

Counts
157 → 157
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02092272
14921897
223911647
done50021619

prune280.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 9.5b

regimes476.0ms

Accuracy

52.5% (8.8b remaining)

Error of 17.1b against oracle of 8.3b and baseline of 26.8b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02271
13371
done3371

end0.0ms

sample1.1s

Algorithm
intervals
Results
657.0ms7997×body80valid
0.0msbody160valid
0.0msbody640valid