Details

Time bar (total: 22.9s)

sample65.0ms

Algorithm
intervals
Results
19.0ms243×body80valid
9.0ms18×body640valid
3.0ms14×body320valid
1.0ms10×body160valid
1.0msbody1280valid
1.0msbody2560valid

simplify8.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (17.0ms)

IterNodesCost
01113
12013
24513
311612
432212
577012
6155612
7286512
8469812
done500012

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.8b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
15.0b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
36.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series215.0ms

Counts
2 → 6
Calls
2 calls:
99.0ms
(/ (- y x) (- a t))
116.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify1.4s

Counts
70 → 70
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0118918
1270890
2658838
31740836
done5000830

prune250.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.3b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- y x) (/ 1 (- a t)))
14.9b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
14.0ms
(/ 1 (- a t))
66.0ms
(* (- y x) (/ 1 (- a t)))
0.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series225.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ 1 (- a t))
71.0ms
(* (- y x) (/ 1 (- a t)))
109.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify2.9s

Counts
114 → 114
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
01551285
13451052
2954948
33237946
done5001946

prune371.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 6.3b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.9b
(+ (* (- z t) (/ (- y x) (- a t))) x)
5.4b
(* (- z t) (/ (- y x) (- a t)))

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 126
Calls
3 calls:
31.0ms
(/ (- y x) (- a t))
40.0ms
(+ (* (- z t) (/ (- y x) (- a t))) x)
108.0ms
(* (- z t) (/ (- y x) (- a t)))

series493.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(/ (- y x) (- a t))
206.0ms
(+ (* (- z t) (/ (- y x) (- a t))) x)
217.0ms
(* (- z t) (/ (- y x) (- a t)))

simplify1.3s

Counts
135 → 135
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01891881
14861765
217661669
done50011667

prune558.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 3.7b

localize42.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(cbrt (- a t))
2.1b
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t))))
7.8b
(+ (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t)))) x)

rewrite377.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
59×*-un-lft-identity
52×times-frac
46×associate-*r*
37×cbrt-prod
27×add-cube-cbrt
25×add-exp-log
18×cbrt-div add-cbrt-cube
17×associate-*l*
16×distribute-lft-out-- difference-of-squares
10×associate-/r/
flip3-- flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 add-log-exp unswap-sqr
frac-times
expm1-log1p-u log1p-expm1-u
associate-*r/ associate-*l/
pow1/3 div-inv
+-commutative fma-def flip3-+ pow-prod-down sum-log *-commutative flip-+
Counts
4 → 143
Calls
4 calls:
5.0ms
(cbrt (- a t))
5.0ms
(cbrt (- a t))
212.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t))))
147.0ms
(+ (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t)))) x)

series1.1s

Counts
4 → 12
Calls
4 calls:
184.0ms
(cbrt (- a t))
222.0ms
(cbrt (- a t))
451.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t))))
253.0ms
(+ (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (cbrt (- a t)))) x)

simplify1.8s

Counts
155 → 155
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02613480
17373292
228162749
done50012561

prune620.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 3.7b

regimes439.0ms

Accuracy

13.1% (7.4b remaining)

Error of 11.1b against oracle of 3.7b and baseline of 12.3b

bsearch115.0ms

Steps
ItersRangePoint
7
1.8535951948600626e+171
1.07622919242428e+173
1.2558832831296409e+172
7
-3.826349898080599e+239
-1.2700546258789921e+238
-1.8613957186985918e+239

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02867
13556
done3556

end0.0ms

sample1.8s

Algorithm
intervals
Results
641.0ms7760×body80valid
378.0ms463×body640valid
130.0ms275×body1280valid
70.0ms441×body320valid
28.0ms254×body160valid
7.0ms21×body2560valid