Details

Time bar (total: 10.5s)

sample333.0ms

Algorithm
intervals
Results
38.0ms192×body10240exit
13.0ms393×body80nan
8.0ms245×body80valid
1.0ms13×body160valid

simplify845.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01012
11912
22812
34012
47412
517012
646412
7149212
done500012

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.9b

localize11.0ms

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))
3.5b
(- (exp (* 2.0 x)) 1.0)
3.5b
(- (exp x) 1.0)

rewrite48.0ms

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:
14.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
16.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
4.0ms
(- (exp (* 2.0 x)) 1.0)
7.0ms
(- (exp x) 1.0)

series208.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
60.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
26.0ms
(- (exp (* 2.0 x)) 1.0)
30.0ms
(- (exp x) 1.0)

simplify906.0ms

Counts
135 → 135
Iterations

Useful iterations: done (901.0ms)

IterNodesCost
01892376
13882279
28962169
323862156
done50002154

prune314.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 1.0)
0.0b
(sqrt (+ (exp x) 1.0))
3.5b
(- (exp (* 2.0 x)) 1.0)
3.5b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite46.0ms

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:
4.0ms
(+ (exp x) 1.0)
6.0ms
(sqrt (+ (exp x) 1.0))
4.0ms
(- (exp (* 2.0 x)) 1.0)
31.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series86.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(+ (exp x) 1.0)
31.0ms
(sqrt (+ (exp x) 1.0))
28.0ms
(- (exp (* 2.0 x)) 1.0)
20.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify709.0ms

Counts
68 → 68
Iterations

Useful iterations: 3 (238.0ms)

IterNodesCost
0127697
1278657
2721598
32104585
done5000585

prune218.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (exp x) 3)
3.5b
(- (exp (* 2.0 x)) 1.0)
3.5b
(- (exp (+ x x)) (* 1.0 1.0))
3.5b
(- 1.0 (exp x))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
12×*-un-lft-identity
10×add-log-exp
add-cube-cbrt
pow1 add-cbrt-cube
add-exp-log pow-pow difference-of-squares
sub-neg unpow-prod-down pow-unpow exp-prod flip3-- diff-log cube-prod flip--
distribute-lft-out--
cube-mult pow-to-exp unpow3 exp-sum pow-exp rem-cube-cbrt sqr-pow
Counts
4 → 68
Calls
4 calls:
2.0ms
(pow (exp x) 3)
4.0ms
(- (exp (* 2.0 x)) 1.0)
31.0ms
(- (exp (+ x x)) (* 1.0 1.0))
3.0ms
(- 1.0 (exp x))

series85.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(pow (exp x) 3)
24.0ms
(- (exp (* 2.0 x)) 1.0)
19.0ms
(- (exp (+ x x)) (* 1.0 1.0))
14.0ms
(- 1.0 (exp x))

simplify2.3s

Counts
80 → 80
Iterations

Useful iterations: 3 (542.0ms)

IterNodesCost
0142727
1305659
2924597
34530592
done5000592

prune297.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (sqrt 2.0) (* 0.5 (/ x (sqrt 2.0))))
0.4b
(/ x (sqrt 2.0))
0.4b
(* (/ (pow x 2) (sqrt 2.0)) (- 0.25 (/ 0.125 2.0)))
0.4b
(/ (pow x 2) (sqrt 2.0))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
123×times-frac
108×add-sqr-sqrt
83×*-un-lft-identity
81×add-cube-cbrt
67×sqrt-prod
52×associate-*l*
41×unpow-prod-down
21×add-exp-log
15×unpow2 sqr-pow
13×add-cbrt-cube
12×associate-/r*
11×associate-/l*
unswap-sqr
div-exp
pow1 associate-*r* add-log-exp
prod-exp
cbrt-undiv div-inv
distribute-rgt-in frac-times pow-to-exp sub-neg flip3-- frac-2neg distribute-lft-in associate-*r/ pow-exp clear-num flip-- cbrt-unprod difference-of-squares
+-commutative flip3-+ pow-prod-down associate-*l/ sum-log *-commutative flip-+ distribute-lft-out--
Counts
4 → 217
Calls
4 calls:
4.0ms
(+ (sqrt 2.0) (* 0.5 (/ x (sqrt 2.0))))
3.0ms
(/ x (sqrt 2.0))
52.0ms
(* (/ (pow x 2) (sqrt 2.0)) (- 0.25 (/ 0.125 2.0)))
6.0ms
(/ (pow x 2) (sqrt 2.0))

series309.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(+ (sqrt 2.0) (* 0.5 (/ x (sqrt 2.0))))
56.0ms
(/ x (sqrt 2.0))
71.0ms
(* (/ (pow x 2) (sqrt 2.0)) (- 0.25 (/ 0.125 2.0)))
65.0ms
(/ (pow x 2) (sqrt 2.0))

simplify745.0ms

Counts
229 → 229
Iterations

Useful iterations: done (739.0ms)

IterNodesCost
02703092
16182863
221602630
done50002620

prune488.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes25.0ms

Accuracy

76.6% (0.6b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 2.8b

bsearch50.0ms

Steps
ItersRangePoint
7
-7.520341406059738e-16
-2.574374193275519e-17
-7.268542916058787e-16

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03348
14048
done4048

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.3s6629×body10240exit
392.0ms12553×body80nan
250.0ms7427×body80valid
55.0ms715×body160valid