Details

Time bar (total: 17.6s)

sample52.0ms

Algorithm
intervals
Results
20.0ms76×body1280valid
7.0ms41×body640valid
6.0ms172×body80valid
3.0ms23×body320valid
1.0ms13×body160valid

simplify3.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
066
1116
2186
3266
4496
51116
62736
78106
829706
done50016

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.2b
(- (exp (* a x)) 1.0)

rewrite35.0ms

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))
26.0ms
(- (exp (* a x)) 1.0)

series94.0ms

Counts
2 → 6
Calls
2 calls:
17.0ms
(exp (* a x))
76.0ms
(- (exp (* a x)) 1.0)

simplify2.5s

Counts
30 → 30
Iterations

Useful iterations: done (2.5s)

IterNodesCost
053263
1116248
2282232
3751228
42588228
done5000224

prune115.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.2b

localize27.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* a x) 1/6)
1.0b
(* x (+ a (* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))))
1.3b
(* (pow a 2) (+ (* (* a x) 1/6) 1/2))
5.8b
(* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))

rewrite281.0ms

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:
19.0ms
(* (* a x) 1/6)
16.0ms
(* x (+ a (* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))))
100.0ms
(* (pow a 2) (+ (* (* a x) 1/6) 1/2))
143.0ms
(* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))

series368.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* (* a x) 1/6)
144.0ms
(* x (+ a (* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))))
67.0ms
(* (pow a 2) (+ (* (* a x) 1/6) 1/2))
129.0ms
(* x (* (pow a 2) (+ (* (* a x) 1/6) 1/2)))

simplify1.9s

Counts
108 → 108
Iterations

Useful iterations: 2 (666.0ms)

IterNodesCost
01741752
15011640
220201427
done50021427

prune316.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))
0.2b
(* (* x a) a)
0.3b
(* (* a x) 1/6)
1.0b
(* x (+ a (* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))))

rewrite220.0ms

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:
141.0ms
(* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))
31.0ms
(* (* x a) a)
25.0ms
(* (* a x) 1/6)
18.0ms
(* x (+ a (* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))))

series368.0ms

Counts
4 → 12
Calls
4 calls:
124.0ms
(* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))
29.0ms
(* (* x a) a)
40.0ms
(* (* a x) 1/6)
175.0ms
(* x (+ a (* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))))

simplify1.8s

Counts
95 → 95
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01501407
14501318
221151118
done50001116

prune281.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))
0.2b
(* (* x a) a)
0.3b
(* (* a x) 1/6)
3.1b
(* x (* (* (* x a) a) (+ (* (* a x) 1/6) 1/2)))

rewrite588.0ms

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:
169.0ms
(* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))
18.0ms
(* (* x a) a)
23.0ms
(* (* a x) 1/6)
371.0ms
(* x (* (* (* x a) a) (+ (* (* a x) 1/6) 1/2)))

series351.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(* (* (* x a) a) (+ (* (* a x) 1/6) 1/2))
47.0ms
(* (* x a) a)
30.0ms
(* (* a x) 1/6)
144.0ms
(* x (* (* (* x a) a) (+ (* (* a x) 1/6) 1/2)))

simplify2.0s

Counts
103 → 103
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01471565
14321475
222251159
done50011145

prune213.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

regimes244.0ms

Accuracy

98.8% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.5b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02134
12734
done2734

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.2s2658×body1280valid
273.0ms5416×body80valid
226.0ms1340×body640valid
124.0ms759×body320valid
30.0ms401×body160valid