Details

Time bar (total: 24.6s)

sample283.0ms

Algorithm
intervals
Results
143.0ms203×body10240exit
27.0ms384×body80nan
17.0ms245×body80valid
3.0ms16×body160valid

simplify3.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01012
11912
22812
34112
47612
518112
648912
7169512
done500012

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.4b

localize12.0ms

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))
3.0b
(- (exp (* 2.0 x)) 1.0)
3.1b
(- (exp x) 1.0)

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
92×add-sqr-sqrt
89×*-un-lft-identity
51×times-frac
41×add-cube-cbrt
31×sqrt-prod
24×distribute-lft-out-- difference-of-squares
18×prod-diff
add-log-exp
add-exp-log fma-neg add-cbrt-cube
pow1 flip3-- associate-/r* flip-- associate-/l*
expm1-log1p-u associate-/r/ log1p-expm1-u
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 → 155
Calls
4 calls:
30.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
51.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
29.0ms
(- (exp (* 2.0 x)) 1.0)
23.0ms
(- (exp x) 1.0)

series298.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
119.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
33.0ms
(- (exp (* 2.0 x)) 1.0)
25.0ms
(- (exp x) 1.0)

simplify2.5s

Counts
167 → 167
Iterations

Useful iterations: done (2.5s)

IterNodesCost
02322954
14822688
210712471
335542362
done50002356

prune491.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 1.0)
0.0b
(sqrt (* (/ (- (exp (* 2.0 x)) 1.0) (- (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0)))
3.0b
(- (exp (* 2.0 x)) 1.0)
3.0b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
17×add-sqr-sqrt
14×add-cube-cbrt
13×prod-diff
10×add-log-exp
pow1 fma-neg
sqrt-div
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
fma-def flip3-+ exp-sum flip-+ difference-of-squares
frac-times sub-neg flip3-- sqrt-pow1 diff-log associate-*r/ flip--
+-commutative pow1/2 pow-prod-down associate-*l/ sum-log sqrt-prod distribute-lft-out distribute-lft-out--
Counts
4 → 87
Calls
4 calls:
10.0ms
(+ (exp x) 1.0)
86.0ms
(sqrt (* (/ (- (exp (* 2.0 x)) 1.0) (- (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0)))
29.0ms
(- (exp (* 2.0 x)) 1.0)
65.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series235.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(+ (exp x) 1.0)
169.0ms
(sqrt (* (/ (- (exp (* 2.0 x)) 1.0) (- (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0)))
27.0ms
(- (exp (* 2.0 x)) 1.0)
24.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify3.8s

Counts
99 → 99
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
01831444
14231302
211761154
34985947
done5000947

prune553.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(sqrt (exp x))
0.2b
(sqrt (exp x))
3.0b
(- (exp (* 2.0 x)) 1.0)
3.0b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×*-un-lft-identity
17×add-cube-cbrt
13×prod-diff
sqrt-pow1 add-log-exp
fma-neg
pow1 exp-prod sqrt-prod
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
exp-sum difference-of-squares
sub-neg rem-sqrt-square flip3-- pow1/2 diff-log flip--
distribute-lft-out--
Counts
4 → 88
Calls
4 calls:
3.0ms
(sqrt (exp x))
3.0ms
(sqrt (exp x))
17.0ms
(- (exp (* 2.0 x)) 1.0)
82.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series113.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(sqrt (exp x))
18.0ms
(sqrt (exp x))
44.0ms
(- (exp (* 2.0 x)) 1.0)
31.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.2s

Counts
100 → 100
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01411009
1288881
2647762
32356669
done5000651

prune493.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (exp x) 3)
3.0b
(- (exp (* 2.0 x)) 1.0)
3.0b
(- (exp (+ x x)) (* 1.0 1.0))
3.1b
(- 1.0 (exp x))

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
28×*-un-lft-identity
24×add-cube-cbrt
22×prod-diff
10×fma-neg add-log-exp
pow1 add-cbrt-cube
add-exp-log expm1-log1p-u pow-pow log1p-expm1-u difference-of-squares
sub-neg unpow-prod-down pow-unpow exp-prod flip3-- diff-log cube-prod exp-sum flip--
distribute-lft-out--
cube-mult pow-to-exp unpow3 pow-exp rem-cube-cbrt sqr-pow
Counts
4 → 108
Calls
4 calls:
8.0ms
(pow (exp x) 3)
30.0ms
(- (exp (* 2.0 x)) 1.0)
100.0ms
(- (exp (+ x x)) (* 1.0 1.0))
13.0ms
(- 1.0 (exp x))

series145.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(pow (exp x) 3)
45.0ms
(- (exp (* 2.0 x)) 1.0)
38.0ms
(- (exp (+ x x)) (* 1.0 1.0))
33.0ms
(- 1.0 (exp x))

simplify1.5s

Counts
120 → 120
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02011421
14301100
21221927
done5000855

prune663.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes55.0ms

Accuracy

73.9% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 2.7b

bsearch57.0ms

Steps
ItersRangePoint
8
-4.403108084983288e-07
-5.598498926449877e-10
-3.6396238490178844e-07

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03148
13548
done3548

end0.0ms

sample7.2s

Algorithm
intervals
Results
4.0s6421×body10240exit
1.8s12501×body80nan
577.0ms7417×body80valid
103.0ms708×body160valid