Details

Time bar (total: 23.1s)

sample341.0ms

Algorithm
intervals
Results
113.0ms218×body10240exit
90.0ms395×body80nan
18.0ms235×body80valid
4.0ms23×body160valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
01012
11912
22812
34012
47412
517912
675212
done500012

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.1b

localize36.0ms

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))
4.4b
(- (exp (* 2.0 x)) 1.0)
4.4b
(- (exp x) 1.0)

rewrite194.0ms

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:
52.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
84.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
25.0ms
(- (exp (* 2.0 x)) 1.0)
23.0ms
(- (exp x) 1.0)

series350.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
98.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
48.0ms
(- (exp (* 2.0 x)) 1.0)
42.0ms
(- (exp x) 1.0)

simplify1.1s

Counts
135 → 135
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01892376
13962279
212202169
done50002156

prune771.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize54.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ (exp x) 1.0))
0.0b
(+ (exp x) 1.0)
4.4b
(- (exp (* 2.0 x)) 1.0)
4.4b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite188.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
10×add-log-exp
add-sqr-sqrt
pow1 add-cube-cbrt
add-exp-log sqrt-prod add-cbrt-cube
difference-of-squares
sub-neg flip3-- flip3-+ sqrt-div diff-log flip-- flip-+ distribute-lft-out
+-commutative rem-sqrt-square sqrt-pow1 pow1/2 exp-sum sum-log distribute-lft-out--
Counts
4 → 56
Calls
4 calls:
23.0ms
(sqrt (+ (exp x) 1.0))
18.0ms
(+ (exp x) 1.0)
25.0ms
(- (exp (* 2.0 x)) 1.0)
120.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series170.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(sqrt (+ (exp x) 1.0))
17.0ms
(+ (exp x) 1.0)
45.0ms
(- (exp (* 2.0 x)) 1.0)
41.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify3.0s

Counts
68 → 68
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
0127697
1292657
2936598
34004585
done5002585

prune515.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize61.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 1.0)
0.1b
(* (sqrt (sqrt (+ (exp x) 1.0))) (sqrt (sqrt (+ (exp x) 1.0))))
4.4b
(- (exp (* 2.0 x)) 1.0)
4.4b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite285.0ms

Algorithm
rewrite-expression-head
Rules
82×sqrt-prod
49×add-sqr-sqrt
34×*-un-lft-identity
32×sqrt-pow1
27×pow1
24×sqrt-div
18×swap-sqr
16×add-cube-cbrt pow1/2
10×associate-*r* associate-*l* add-log-exp
pow-prod-up unswap-sqr
flip3-+ flip-+ distribute-lft-out
add-exp-log add-cbrt-cube
pow-prod-down pow-sqr
frac-times
difference-of-squares
sub-neg flip3-- diff-log associate-*r/ associate-*l/ flip--
+-commutative pow2 pow-plus sqrt-unprod exp-sum prod-exp sum-log rem-square-sqrt *-commutative cbrt-unprod distribute-lft-out--
Counts
4 → 128
Calls
4 calls:
22.0ms
(+ (exp x) 1.0)
126.0ms
(* (sqrt (sqrt (+ (exp x) 1.0))) (sqrt (sqrt (+ (exp x) 1.0))))
23.0ms
(- (exp (* 2.0 x)) 1.0)
102.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series162.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(+ (exp x) 1.0)
60.0ms
(* (sqrt (sqrt (+ (exp x) 1.0))) (sqrt (sqrt (+ (exp x) 1.0))))
47.0ms
(- (exp (* 2.0 x)) 1.0)
35.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.0s

Counts
140 → 140
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01962210
14331393
217441279
done50001267

prune823.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (+ (* 0.5 x) 1.0))
27.0b
(sqrt (+ 2.0 (* x (+ (* 0.5 x) 1.0))))

rewrite71.0ms

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:
58.0ms
(* x (+ (* 0.5 x) 1.0))
11.0ms
(sqrt (+ 2.0 (* x (+ (* 0.5 x) 1.0))))

series254.0ms

Counts
2 → 6
Calls
2 calls:
116.0ms
(* x (+ (* 0.5 x) 1.0))
138.0ms
(sqrt (+ 2.0 (* x (+ (* 0.5 x) 1.0))))

simplify1.2s

Counts
43 → 43
Iterations

Useful iterations: 2 (352.0ms)

IterNodesCost
0106598
1300547
21430513
done5002513

prune225.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes71.0ms

Accuracy

76% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 3.1b

bsearch62.0ms

Steps
ItersRangePoint
5
-4.5846337071089676e-10
-2.188605173615867e-10
-4.5450129290399687e-10

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02536
13236
done3236

end0.0ms

sample9.9s

Algorithm
intervals
Results
5.7s6881×body10240exit
1.6s7412×body80valid
1.3s12981×body80nan
233.0ms717×body160valid