Details

Time bar (total: 17.0s)

sample66.0ms

Algorithm
intervals
Results
27.0ms89×body1280valid
8.0ms39×body640valid
7.0ms180×body80valid
3.0ms25×body320valid
1.0ms12×body160valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
066
1116
2186
3266
4496
51116
62736
78106
829706
done50016

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.8b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
3.1b
(- (exp (* a x)) 1.0)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg exp-prod flip3-- exp-to-pow diff-log flip-- rem-exp-log distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
8.0ms
(exp (* a x))
20.0ms
(- (exp (* a x)) 1.0)

series72.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(exp (* a x))
54.0ms
(- (exp (* a x)) 1.0)

simplify2.6s

Counts
30 → 30
Iterations

Useful iterations: done (2.6s)

IterNodesCost
053263
1116248
2282232
3751228
42588228
done5000224

prune137.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 1.7b

localize33.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* a x) 1/6)
0.4b
(* (pow a 2) (+ (* (* a x) 1/6) 1/2))
1.4b
(* x (+ a (* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))))
5.5b
(* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))

rewrite285.0ms

Algorithm
rewrite-expression-head
Rules
26×add-exp-log
19×add-sqr-sqrt
18×add-cbrt-cube
15×associate-*l*
14×prod-exp
13×pow1
11×add-cube-cbrt *-un-lft-identity
10×associate-*r*
associate-*r/ cbrt-unprod
distribute-rgt-in distribute-lft-in
pow-prod-down unswap-sqr
unpow-prod-down *-commutative add-log-exp
flip3-+ flip-+
pow-to-exp pow-exp unpow2 sqr-pow
Counts
4 → 96
Calls
4 calls:
29.0ms
(* (* a x) 1/6)
94.0ms
(* (pow a 2) (+ (* (* a x) 1/6) 1/2))
18.0ms
(* x (+ a (* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))))
136.0ms
(* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))

series360.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* (* a x) 1/6)
67.0ms
(* (pow a 2) (+ (* (* a x) 1/6) 1/2))
138.0ms
(* x (+ a (* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))))
128.0ms
(* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))

simplify1.6s

Counts
108 → 108
Iterations

Useful iterations: 2 (616.0ms)

IterNodesCost
01741752
15011640
220241427
done50011427

prune323.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))
0.1b
(* (* a x) a)
0.3b
(* (* a x) 1/6)
1.4b
(* x (+ a (* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))))

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*l*
associate-*r/ *-commutative add-log-exp
distribute-rgt-in distribute-lft-in flip3-+ flip-+
unswap-sqr
Counts
4 → 83
Calls
4 calls:
129.0ms
(* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))
36.0ms
(* (* a x) a)
44.0ms
(* (* a x) 1/6)
31.0ms
(* x (+ a (* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))))

series300.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))
20.0ms
(* (* a x) a)
31.0ms
(* (* a x) 1/6)
144.0ms
(* x (+ a (* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))))

simplify1.6s

Counts
95 → 95
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01441407
14291318
218991118
done50001116

prune283.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))
0.1b
(* (* a x) a)
0.3b
(* (* a x) 1/6)
3.7b
(* x (* (* (* a x) a) (+ (* (* a x) 1/6) 1/2)))

rewrite474.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*r/ associate-*l*
distribute-rgt-in distribute-lft-in
*-commutative add-log-exp
flip3-+ flip-+
Counts
4 → 91
Calls
4 calls:
158.0ms
(* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))
34.0ms
(* (* a x) a)
17.0ms
(* (* a x) 1/6)
258.0ms
(* x (* (* (* a x) a) (+ (* (* a x) 1/6) 1/2)))

series316.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(* (* (* a x) a) (+ (* (* a x) 1/6) 1/2))
23.0ms
(* (* a x) a)
37.0ms
(* (* a x) 1/6)
130.0ms
(* x (* (* (* a x) a) (+ (* (* a x) 1/6) 1/2)))

simplify1.8s

Counts
103 → 103
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01411565
14041475
220221159
done50001155

prune275.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes185.0ms

Accuracy

98.2% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 21.2b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02034
12734
done2734

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.2s2716×body1280valid
323.0ms5450×body80valid
280.0ms1341×body640valid
126.0ms779×body320valid
29.0ms376×body160valid