Details

Time bar (total: 19.3s)

sample40.0ms

Algorithm
intervals
Results
14.0ms74×body1280valid
5.0ms179×body80valid
5.0ms38×body640valid
2.0ms29×body320valid
1.0ms17×body160valid

simplify3.5s

Counts
1 → 1
Iterations
IterNodes
done5001
73485
6450
5118
451
327
218
111
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.1b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.0b
(- (exp (* a x)) 1.0)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
exp-prod sub-neg flip3-- exp-to-pow diff-log flip-- distribute-lft-out-- difference-of-squares rem-exp-log
Counts
2 → 40
Calls
2 calls:
6.0ms
(exp (* a x))
25.0ms
(- (exp (* a x)) 1.0)

series85.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(exp (* a x))
62.0ms
(- (exp (* a x)) 1.0)

simplify2.1s

Counts
46 → 46
Iterations
IterNodes
done5000
33404
2600
1183
079

prune153.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/6 a)
1.1b
(* (* 1/6 a) (* (* x a) (* x a)))
1.7b
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
12.5b
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
49×pow1 add-cbrt-cube add-exp-log
33×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
associate-*r/ unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+ fma-udef
Counts
4 → 96
Calls
4 calls:
10.0ms
(* 1/6 a)
126.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
17.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
0.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

series401.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(* 1/6 a)
81.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
152.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
150.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

simplify2.5s

Counts
108 → 108
Iterations
IterNodes
done5002
22797
1447
0147

prune464.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/6 a)
1.1b
(* (* 1/6 a) (* (* x a) (* x a)))
2.9b
(* x (* (* 1/6 a) (* (* x a) (* x a))))
12.5b
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* x (* (* 1/6 a) (* (* x a) (* x a))))))

rewrite389.0ms

Algorithm
rewrite-expression-head
Rules
100×pow1 add-cbrt-cube add-exp-log
74×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity associate-*l* add-cube-cbrt
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
fma-udef unswap-sqr
Counts
4 → 119
Calls
4 calls:
5.0ms
(* 1/6 a)
97.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
279.0ms
(* x (* (* 1/6 a) (* (* x a) (* x a))))
1.0ms
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* x (* (* 1/6 a) (* (* x a) (* x a))))))

series357.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* 1/6 a)
67.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
95.0ms
(* x (* (* 1/6 a) (* (* x a) (* x a))))
169.0ms
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* x (* (* 1/6 a) (* (* x a) (* x a))))))

simplify2.9s

Counts
131 → 131
Iterations
IterNodes
done5002
23098
1459
0151

prune534.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (- (exp (* a x)) 1.0))
4.0b
(- (exp (* a x)) 1.0)
4.0b
(- (exp (* a x)) 1.0)
4.0b
(- (exp (* a x)) 1.0)

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt *-un-lft-identity
27×prod-diff
26×add-cube-cbrt
10×add-log-exp
fma-neg
cbrt-prod
expm1-log1p-u pow1 flip3-- add-cbrt-cube add-exp-log log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
sub-neg diff-log
cbrt-div
pow1/3
Counts
4 → 101
Calls
4 calls:
11.0ms
(cbrt (- (exp (* a x)) 1.0))
21.0ms
(- (exp (* a x)) 1.0)
25.0ms
(- (exp (* a x)) 1.0)
22.0ms
(- (exp (* a x)) 1.0)

series341.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(cbrt (- (exp (* a x)) 1.0))
61.0ms
(- (exp (* a x)) 1.0)
67.0ms
(- (exp (* a x)) 1.0)
59.0ms
(- (exp (* a x)) 1.0)

simplify2.4s

Counts
113 → 113
Iterations
IterNodes
done5000
34379
2794
1239
0105

prune566.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes381.0ms

Accuracy

98% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 21.1b

bsearch1.0ms

simplify13.0ms

Iterations
IterNodes
done36
336
234
131
024

end0.0ms

sample1.8s

Algorithm
intervals
Results
875.0ms2706×body1280valid
317.0ms1357×body640valid
220.0ms5424×body80valid
87.0ms758×body320valid
30.0ms391×body160valid