Details

Time bar (total: 2.1m)

sample3.1s

Algorithm
intervals
Results
1.1s326×body80nan
964.0ms211×body10240exit
58.0ms244×body80valid
3.0ms15×body160valid

simplify22.0s

Counts
1 → 1
Iterations
IterNodes
done5006
83863
71042
6332
5133
465
337
227
119
010

prune87.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.8b

localize141.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
0.0b
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
3.4b
(- (exp (* 2.0 x)) 1.0)
3.4b
(- (exp x) 1.0)

rewrite674.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
75×*-un-lft-identity
51×times-frac
31×sqrt-prod
27×add-cube-cbrt
24×distribute-lft-out-- difference-of-squares
add-log-exp
add-exp-log add-cbrt-cube
pow1 flip3-- associate-/r* flip-- associate-/l*
associate-/r/
sub-neg rem-sqrt-square diff-log div-inv associate-/l/
cbrt-undiv frac-2neg sqrt-pow1 pow1/2 sqrt-div div-sub div-exp clear-num
Counts
4 → 123
Calls
4 calls:
43.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
296.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
36.0ms
(- (exp (* 2.0 x)) 1.0)
203.0ms
(- (exp x) 1.0)

series1.6s

Counts
4 → 12
Calls
4 calls:
355.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
469.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
128.0ms
(- (exp (* 2.0 x)) 1.0)
615.0ms
(- (exp x) 1.0)

simplify11.9s

Counts
135 → 135
Iterations
IterNodes
done5001
33152
2993
1396
0189

prune2.2s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize71.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (* (+ (sqrt (exp (* 2.0 x))) (sqrt 1.0)) (- (sqrt (exp (* 2.0 x))) (sqrt 1.0))) (- (exp x) 1.0))
0.0b
(* (+ (sqrt (exp (* 2.0 x))) (sqrt 1.0)) (- (sqrt (exp (* 2.0 x))) (sqrt 1.0)))
3.4b
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
3.4b
(- (exp x) 1.0)

rewrite703.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
26×*-un-lft-identity
14×sqrt-prod
11×add-exp-log add-cbrt-cube difference-of-squares
flip3-- associate-*r* flip--
frac-times add-cube-cbrt associate-/l/ add-log-exp
distribute-lft-out--
pow1 flip3-+ flip-+
times-frac associate-*l* associate-/r*
sub-neg associate-*r/ associate-*l/
cbrt-undiv distribute-rgt-in distribute-lft-in diff-log div-exp prod-exp associate-/r/ cbrt-unprod distribute-lft-out
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
4 → 105
Calls
4 calls:
204.0ms
(/ (* (+ (sqrt (exp (* 2.0 x))) (sqrt 1.0)) (- (sqrt (exp (* 2.0 x))) (sqrt 1.0))) (- (exp x) 1.0))
374.0ms
(* (+ (sqrt (exp (* 2.0 x))) (sqrt 1.0)) (- (sqrt (exp (* 2.0 x))) (sqrt 1.0)))
80.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
23.0ms
(- (exp x) 1.0)

series1.4s

Counts
4 → 12
Calls
4 calls:
741.0ms
(/ (* (+ (sqrt (exp (* 2.0 x))) (sqrt 1.0)) (- (sqrt (exp (* 2.0 x))) (sqrt 1.0))) (- (exp x) 1.0))
348.0ms
(* (+ (sqrt (exp (* 2.0 x))) (sqrt 1.0)) (- (sqrt (exp (* 2.0 x))) (sqrt 1.0)))
209.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
84.0ms
(- (exp x) 1.0)

simplify7.8s

Counts
117 → 117
Iterations
IterNodes
done5001
21983
1499
0180

prune2.7s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize729.0ms

Local error

Found 4 expressions with local error:

3.4b
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
3.4b
(- (exp x) 1.0)
3.4b
(- (exp x) 1.0)
3.4b
(- (exp x) 1.0)

rewrite206.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
14×*-un-lft-identity
12×add-log-exp
difference-of-squares
sqrt-prod
distribute-lft-out--
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip--
Counts
4 → 60
Calls
4 calls:
69.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
51.0ms
(- (exp x) 1.0)
40.0ms
(- (exp x) 1.0)
36.0ms
(- (exp x) 1.0)

series426.0ms

Counts
4 → 12
Calls
4 calls:
267.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
31.0ms
(- (exp x) 1.0)
52.0ms
(- (exp x) 1.0)
61.0ms
(- (exp x) 1.0)

simplify7.3s

Counts
72 → 72
Iterations
IterNodes
done5000
42291
3945
2390
1162
076

prune1.5s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize53.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (+ (* 0.5 x) 1.0))
25.5b
(sqrt (+ 2.0 (* x (+ (* 0.5 x) 1.0))))

rewrite219.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
associate-*r* associate-*l* sqrt-prod
flip3-+ sqrt-div associate-*r/ flip-+ add-log-exp
distribute-rgt-in rem-sqrt-square distribute-lft-in sqrt-pow1 pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
2 → 37
Calls
2 calls:
51.0ms
(* x (+ (* 0.5 x) 1.0))
114.0ms
(sqrt (+ 2.0 (* x (+ (* 0.5 x) 1.0))))

series769.0ms

Counts
2 → 6
Calls
2 calls:
368.0ms
(* x (+ (* 0.5 x) 1.0))
397.0ms
(sqrt (+ 2.0 (* x (+ (* 0.5 x) 1.0))))

simplify4.7s

Counts
43 → 43
Iterations
IterNodes
done5003
21128
1298
0106

prune584.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes146.0ms

Accuracy

80% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 3.6b

bsearch324.0ms

Steps
ItersRangePoint
6
-0.00015200343398984049
-1.963203309137196e-05
-1.9984726555003664e-05

simplify62.0ms

Iterations
IterNodes
done37
137
030

end0.0ms

sample51.8s

Algorithm
intervals
Results
37.0s6584×body10240exit
6.8s7320×body80valid
5.5s12492×body80nan
1.3s798×body160valid