Details

Time bar (total: 41.7s)

sample53.0ms

Algorithm
intervals
Results
14.0ms237×body80valid
7.0ms18×body640valid
2.0ms12×body320valid
2.0msbody1280valid
2.0ms13×body160valid
0.0msbody2560valid

simplify2.6s

Counts
1 → 1
Iterations
IterNodes
done5000
63874
5979
4326
3116
245
120
011

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.4b

localize30.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
4.0b
(fma (/ (- z t) (- a t)) (- y x) x)

rewrite26.0ms

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-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
23.0ms
(/ (- z t) (- a t))
1.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

series271.0ms

Counts
2 → 6
Calls
2 calls:
91.0ms
(/ (- z t) (- a t))
180.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

simplify2.0s

Counts
70 → 70
Iterations
IterNodes
done5000
34602
2861
1272
0116

prune396.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.8b

localize29.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.3b
(* (/ (- z t) (- a t)) (- y x))
3.5b
(+ (* (/ (- z t) (- a t)) (- y x)) x)

rewrite206.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×times-frac add-cube-cbrt
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-cbrt-cube add-exp-log
pow1 associate-/r* flip3-- associate-*r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
frac-times cbrt-undiv div-exp prod-exp associate-*r/ cbrt-unprod div-inv unswap-sqr associate-/l/
+-commutative clear-num sum-log fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
43.0ms
(/ (- z t) (- a t))
112.0ms
(* (/ (- z t) (- a t)) (- y x))
42.0ms
(+ (* (/ (- z t) (- a t)) (- y x)) x)

series902.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(/ (- z t) (- a t))
573.0ms
(* (/ (- z t) (- a t)) (- y x))
258.0ms
(+ (* (/ (- z t) (- a t)) (- y x)) x)

simplify1.5s

Counts
179 → 179
Iterations
IterNodes
done5001
23220
1717
0255

prune1.1s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
1.3b
(* (* (- z t) (/ 1 (- a t))) (- y x))
5.2b
(+ (* (* (- z t) (/ 1 (- a t))) (- y x)) x)

rewrite247.0ms

Algorithm
rewrite-expression-head
Rules
74×add-sqr-sqrt
68×*-un-lft-identity
49×add-cube-cbrt
36×prod-diff
32×times-frac add-exp-log
26×associate-*r*
22×distribute-rgt-in associate-+l+ distribute-lft-in
20×frac-times add-cbrt-cube
17×flip3-- flip--
14×associate-*l/
13×prod-exp
12×pow1
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp associate-*l* associate-*r/ add-log-exp
associate-/r*
expm1-log1p-u sub-neg 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 clear-num sum-log fma-def frac-2neg flip3-+ flip-+ pow-flip inv-pow
Counts
4 → 199
Calls
4 calls:
20.0ms
(/ 1 (- a t))
70.0ms
(* (- z t) (/ 1 (- a t)))
65.0ms
(* (* (- z t) (/ 1 (- a t))) (- y x))
77.0ms
(+ (* (* (- z t) (/ 1 (- a t))) (- y x)) x)

series944.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ 1 (- a t))
97.0ms
(* (- z t) (/ 1 (- a t)))
506.0ms
(* (* (- z t) (/ 1 (- a t))) (- y x))
282.0ms
(+ (* (* (- z t) (/ 1 (- a t))) (- y x)) x)

simplify580.0ms

Counts
211 → 211
Iterations
IterNodes
done5001
1882
0293

prune1.3s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.5b

localize29.0ms

Local error

Found 4 expressions with local error:

2.7b
(cbrt (* (/ (- z t) (- a t)) (- y x)))
2.7b
(cbrt (* (/ (- z t) (- a t)) (- y x)))
2.7b
(cbrt (* (/ (- z t) (- a t)) (- y x)))
9.3b
(+ (* (* (cbrt (* (/ (- z t) (- a t)) (- y x))) (cbrt (* (/ (- z t) (- a t)) (- y x)))) (cbrt (* (/ (- z t) (- a t)) (- y x)))) x)

rewrite230.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-div
frac-times flip3-- associate-*r/ flip-- add-log-exp
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt log1p-expm1-u
cbrt-prod pow1/3 associate-*l/
+-commutative sum-log fma-def flip3-+ flip-+
Counts
4 → 62
Calls
4 calls:
29.0ms
(cbrt (* (/ (- z t) (- a t)) (- y x)))
34.0ms
(cbrt (* (/ (- z t) (- a t)) (- y x)))
31.0ms
(cbrt (* (/ (- z t) (- a t)) (- y x)))
132.0ms
(+ (* (* (cbrt (* (/ (- z t) (- a t)) (- y x))) (cbrt (* (/ (- z t) (- a t)) (- y x)))) (cbrt (* (/ (- z t) (- a t)) (- y x)))) x)

series23.7s

Counts
4 → 12
Calls
4 calls:
8.0s
(cbrt (* (/ (- z t) (- a t)) (- y x)))
7.7s
(cbrt (* (/ (- z t) (- a t)) (- y x)))
7.7s
(cbrt (* (/ (- z t) (- a t)) (- y x)))
322.0ms
(+ (* (* (cbrt (* (/ (- z t) (- a t)) (- y x))) (cbrt (* (/ (- z t) (- a t)) (- y x)))) (cbrt (* (/ (- z t) (- a t)) (- y x)))) x)

simplify1.7s

Counts
74 → 74
Iterations
IterNodes
done5001
33444
2765
1266
0109

prune701.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.5b

regimes890.0ms

Accuracy

15.7% (7.1b remaining)

Error of 10.6b against oracle of 3.5b and baseline of 11.9b

bsearch118.0ms

Steps
ItersRangePoint
5
7.34498270994874e+96
1.6206214054784986e+97
1.5420261181459113e+97
9
-1.644112463012158e+125
-1.7091033691876119e+118
-8.256417904055176e+123

simplify3.0ms

Iterations
IterNodes
done33
133
028

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.1s7689×body80valid
156.0ms493×body640valid
120.0ms403×body320valid
87.0ms290×body1280valid
34.0ms282×body160valid
7.0ms18×body2560valid