Details

Time bar (total: 18.0s)

sample224.0ms

Algorithm
intervals
Results
94.0ms194×body10240exit
18.0ms433×body80nan
14.0ms240×body80valid
2.0ms23×body160valid

simplify1.3s

Counts
1 → 1
Iterations
IterNodes
done5000
6752
5179
474
340
228
119
010

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.2b

localize39.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
0.3b
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
4.3b
(- (exp (* 2.0 x)) 1.0)
4.3b
(- (exp x) 1.0)

rewrite127.0ms

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-cbrt-cube add-exp-log
pow1 associate-/r* flip3-- flip-- associate-/l*
associate-/r/
rem-sqrt-square sub-neg diff-log div-inv associate-/l/
cbrt-undiv clear-num frac-2neg sqrt-pow1 pow1/2 sqrt-div div-sub div-exp
Counts
4 → 123
Calls
4 calls:
22.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
56.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
19.0ms
(- (exp (* 2.0 x)) 1.0)
20.0ms
(- (exp x) 1.0)

series288.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
96.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
39.0ms
(- (exp (* 2.0 x)) 1.0)
39.0ms
(- (exp x) 1.0)

simplify1.1s

Counts
135 → 135
Iterations
IterNodes
done5001
21219
1396
0189

prune875.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize67.0ms

Local error

Found 4 expressions with local error:

0.3b
(sqrt (exp (* 2.0 x)))
0.3b
(sqrt (exp (* 2.0 x)))
4.3b
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
4.3b
(- (exp x) 1.0)

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
12×*-un-lft-identity sqrt-prod
10×add-log-exp
pow1 sqrt-pow1 add-cube-cbrt
difference-of-squares
add-cbrt-cube add-exp-log
distribute-lft-out--
rem-sqrt-square exp-prod sub-neg flip3-- exp-to-pow pow1/2 diff-log flip--
Counts
4 → 62
Calls
4 calls:
4.0ms
(sqrt (exp (* 2.0 x)))
5.0ms
(sqrt (exp (* 2.0 x)))
26.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
14.0ms
(- (exp x) 1.0)

series171.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(sqrt (exp (* 2.0 x)))
29.0ms
(sqrt (exp (* 2.0 x)))
76.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
26.0ms
(- (exp x) 1.0)

simplify1.1s

Counts
74 → 74
Iterations
IterNodes
done5001
31417
2452
1174
087

prune506.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize91.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (exp 2.0) (/ x 2))
0.3b
(sqrt (exp (* 2.0 x)))
4.3b
(- (exp x) 1.0)
4.3b
(- (pow (exp 2.0) (/ x 2)) (sqrt 1.0))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
18×*-un-lft-identity
14×add-cube-cbrt
13×pow-unpow
times-frac add-log-exp
difference-of-squares
pow1 sqrt-prod
unpow-prod-down
exp-prod pow-pow add-cbrt-cube add-exp-log
sqrt-pow1 sqr-pow
sub-neg flip3-- diff-log flip-- distribute-lft-out--
pow-to-exp rem-sqrt-square exp-to-pow pow1/2 pow-exp div-inv
Counts
4 → 78
Calls
4 calls:
9.0ms
(pow (exp 2.0) (/ x 2))
4.0ms
(sqrt (exp (* 2.0 x)))
15.0ms
(- (exp x) 1.0)
38.0ms
(- (pow (exp 2.0) (/ x 2)) (sqrt 1.0))

series174.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(pow (exp 2.0) (/ x 2))
26.0ms
(sqrt (exp (* 2.0 x)))
16.0ms
(- (exp x) 1.0)
90.0ms
(- (pow (exp 2.0) (/ x 2)) (sqrt 1.0))

simplify935.0ms

Counts
90 → 90
Iterations
IterNodes
done5000
21142
1358
0150

prune734.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (exp 2.0) (/ x 2))
0.1b
(pow (exp 2.0) (/ x 2))
4.3b
(- (exp x) 1.0)
4.3b
(- (pow (exp 2.0) (/ x 2)) (sqrt 1.0))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
26×pow-unpow *-un-lft-identity
22×add-cube-cbrt
18×times-frac
unpow-prod-down pow-pow add-log-exp
difference-of-squares
pow1 exp-prod
add-cbrt-cube add-exp-log sqr-pow
sqrt-prod
pow-to-exp sub-neg flip3-- diff-log pow-exp div-inv flip-- distribute-lft-out--
Counts
4 → 93
Calls
4 calls:
9.0ms
(pow (exp 2.0) (/ x 2))
4.0ms
(pow (exp 2.0) (/ x 2))
11.0ms
(- (exp x) 1.0)
32.0ms
(- (pow (exp 2.0) (/ x 2)) (sqrt 1.0))

series176.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(pow (exp 2.0) (/ x 2))
41.0ms
(pow (exp 2.0) (/ x 2))
16.0ms
(- (exp x) 1.0)
75.0ms
(- (pow (exp 2.0) (/ x 2)) (sqrt 1.0))

simplify892.0ms

Counts
105 → 105
Iterations
IterNodes
done5000
21106
1337
0134

prune735.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes66.0ms

Accuracy

74.9% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 3.0b

bsearch42.0ms

Steps
ItersRangePoint
5
-6.8406817238881764e-12
-3.323511487531625e-12
-6.780812387076979e-12

simplify9.0ms

Iterations
IterNodes
done46
146
037

end0.0ms

sample8.1s

Algorithm
intervals
Results
4.9s6720×body10240exit
1.6s12340×body80nan
672.0ms7398×body80valid
113.0ms753×body160valid