Details

Time bar (total: 18.2s)

sample25.0ms

Algorithm
intervals
Results
8.0ms246×body80valid
2.0ms13×body640valid
1.0ms12×body320valid
1.0msbody1280valid
1.0ms11×body160valid

simplify9.0s

Counts
1 → 1
Iterations

Useful iterations: 3 (12.0ms)

IterNodesCost
01113
12013
24513
311412
427812
561812
6125612
7231612
8416112
done500112

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 9.7b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
13.2b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite15.0ms

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:
12.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series138.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- y x) (- a t))
85.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify1.9s

Counts
70 → 70
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
0118918
1270890
2628838
31591836
44648828
done5000828

prune220.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 5.5b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.5b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
5.1b
(* (/ (- y x) (- a t)) (- z t))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×add-cube-cbrt times-frac
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*r* associate-/r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times associate-*r/ div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
13.0ms
(/ (- y x) (- a t))
15.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
37.0ms
(* (/ (- y x) (- a t)) (- z t))

series390.0ms

Counts
3 → 9
Calls
3 calls:
53.0ms
(/ (- y x) (- a t))
137.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
199.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify1.1s

Counts
179 → 179
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02563107
16822740
221092516
done50012480

prune465.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 5.5b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.8b
(+ (* (- y x) (/ (- z t) (- a t))) x)
3.0b
(* (- y x) (/ (- z t) (- a t)))

rewrite66.0ms

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:
12.0ms
(/ (- z t) (- a t))
12.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)
36.0ms
(* (- y x) (/ (- z t) (- a t)))

series319.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ (- z t) (- a t))
152.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)
118.0ms
(* (- y x) (/ (- z t) (- a t)))

simplify1.0s

Counts
135 → 135
Iterations

Useful iterations: 2 (276.0ms)

IterNodesCost
01891881
14921765
217271669
done50001669

prune370.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
3.0b
(* (- y x) (* (- z t) (/ 1 (- a t))))
3.3b
(+ (* (- y x) (* (- z t) (/ 1 (- a t)))) x)

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
expm1-log1p-u pow-prod-down associate-/r/ un-div-inv log1p-expm1-u
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip fma-def frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 155
Calls
4 calls:
6.0ms
(/ 1 (- a t))
27.0ms
(* (- z t) (/ 1 (- a t)))
35.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
30.0ms
(+ (* (- y x) (* (- z t) (/ 1 (- a t)))) x)

series358.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(/ 1 (- a t))
48.0ms
(* (- z t) (/ 1 (- a t)))
116.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
156.0ms
(+ (* (- y x) (* (- z t) (/ 1 (- a t)))) x)

simplify1.1s

Counts
167 → 167
Iterations

Useful iterations: 2 (335.0ms)

IterNodesCost
02292378
16052004
222111782
done50001782

prune390.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.6b

regimes287.0ms

Accuracy

5.1% (7.2b remaining)

Error of 11.3b against oracle of 4.2b and baseline of 11.7b

bsearch147.0ms

Steps
ItersRangePoint
8
1.334149254675946e+295
4.067056781871996e+298
4.0194876181204073e+298
8
2.113839912867758e+227
2.4112655861716263e+231
2.1292815435723623e+229
8
-1.1995038685743404e+237
-2.1909922675420783e+232
-1.1745291012592303e+237

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03179
13779
done3779

end1.0ms

sample706.0ms

Algorithm
intervals
Results
259.0ms7781×body80valid
62.0ms465×body640valid
45.0ms278×body1280valid
37.0ms416×body320valid
17.0ms271×body160valid
4.0ms20×body2560valid