Details

Time bar (total: 5.3s)

sample412.0ms

Algorithm
intervals
Results
61.0ms226×body10240exit
11.0ms375×body80nan
9.0ms237×body80valid
2.0ms21×body160valid

simplify75.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0197
1287
2407
3737
41767
55597
626267
750017
done50017

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
0.1b
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
4.5b
(- (exp (* 2.0 x)) 1.0)
4.6b
(- (exp x) 1.0)

rewrite99.0ms

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:
28.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
42.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
12.0ms
(- (exp (* 2.0 x)) 1.0)
12.0ms
(- (exp x) 1.0)

series204.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
61.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
26.0ms
(- (exp (* 2.0 x)) 1.0)
25.0ms
(- (exp x) 1.0)

simplify120.0ms

Counts
135 → 135
Iterations

Useful iterations: 3 (107.0ms)

IterNodesCost
03871380
110541314
242871301
350031293
done50031293

prune326.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.3b
(sqrt (exp (* 2.0 x)))
0.3b
(sqrt (exp (* 2.0 x)))
4.6b
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
4.6b
(- (exp x) 1.0)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
12×*-un-lft-identity sqrt-prod
10×add-log-exp
pow1 add-cube-cbrt sqrt-pow1
difference-of-squares
add-exp-log add-cbrt-cube
distribute-lft-out--
sub-neg rem-sqrt-square exp-prod flip3-- exp-to-pow pow1/2 diff-log flip--
Counts
4 → 62
Calls
4 calls:
5.0ms
(sqrt (exp (* 2.0 x)))
3.0ms
(sqrt (exp (* 2.0 x)))
17.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
10.0ms
(- (exp x) 1.0)

series111.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(sqrt (exp (* 2.0 x)))
23.0ms
(sqrt (exp (* 2.0 x)))
47.0ms
(- (sqrt (exp (* 2.0 x))) (sqrt 1.0))
15.0ms
(- (exp x) 1.0)

simplify103.0ms

Counts
74 → 74
Iterations

Useful iterations: 3 (29.0ms)

IterNodesCost
0168382
1414365
21068363
33163361
45001361
done5001361

prune208.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (exp 2.0) (* 1/2 x))
0.3b
(sqrt (exp (* 2.0 x)))
4.6b
(- (pow (exp 2.0) (* 1/2 x)) (sqrt 1.0))
4.6b
(- (exp x) 1.0)

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
11×*-un-lft-identity
add-log-exp
add-cube-cbrt difference-of-squares
pow1 sqrt-prod
unpow-prod-down
add-exp-log exp-prod pow-pow add-cbrt-cube
sqrt-pow1 sqr-pow
sub-neg flip3-- diff-log flip-- distribute-lft-out--
pow-to-exp rem-sqrt-square pow-unpow exp-to-pow pow1/2 pow-exp
Counts
4 → 66
Calls
4 calls:
7.0ms
(pow (exp 2.0) (* 1/2 x))
3.0ms
(sqrt (exp (* 2.0 x)))
27.0ms
(- (pow (exp 2.0) (* 1/2 x)) (sqrt 1.0))
10.0ms
(- (exp x) 1.0)

series124.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(pow (exp 2.0) (* 1/2 x))
26.0ms
(sqrt (exp (* 2.0 x)))
54.0ms
(- (pow (exp 2.0) (* 1/2 x)) (sqrt 1.0))
15.0ms
(- (exp x) 1.0)

simplify65.0ms

Counts
78 → 78
Iterations

Useful iterations: 3 (60.0ms)

IterNodesCost
0243428
1686409
22418406
35002404
done5002404

prune266.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (pow (- (exp x) 1.0) 3))
0.3b
(sqrt (exp (* 2.0 x)))
4.6b
(- (pow (exp 2.0) (* 1/2 x)) (sqrt 1.0))
4.6b
(- (exp x) 1.0)

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
16×cbrt-prod *-un-lft-identity
add-log-exp difference-of-squares
add-cube-cbrt
unpow-prod-down
sqrt-prod
pow1 cube-prod
add-exp-log add-cbrt-cube distribute-lft-out--
flip3-- sqrt-pow1 flip-- sqr-pow
cube-div sub-neg cbrt-div diff-log
cube-mult rem-sqrt-square exp-prod exp-to-pow pow1/2 pow1/3 unpow3 rem-cbrt-cube
Counts
4 → 75
Calls
4 calls:
12.0ms
(cbrt (pow (- (exp x) 1.0) 3))
3.0ms
(sqrt (exp (* 2.0 x)))
29.0ms
(- (pow (exp 2.0) (* 1/2 x)) (sqrt 1.0))
10.0ms
(- (exp x) 1.0)

series107.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(cbrt (pow (- (exp x) 1.0) 3))
22.0ms
(sqrt (exp (* 2.0 x)))
55.0ms
(- (pow (exp 2.0) (* 1/2 x)) (sqrt 1.0))
15.0ms
(- (exp x) 1.0)

simplify104.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (24.0ms)

IterNodesCost
0293489
1928475
23891471
35001471
done5001471

prune289.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes30.0ms

Accuracy

75.2% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 2.9b

bsearch31.0ms

Steps
ItersRangePoint
5
-1.7281007446970404e-10
-4.560344852981834e-11
-1.6932215378213687e-10

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03520
13520
done3520

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.3s6893×body10240exit
394.0ms12839×body80nan
241.0ms7396×body80valid
55.0ms727×body160valid