Details

Time bar (total: 7.2s)

sample33.0ms

Algorithm
intervals
Results
13.0ms76×body1280valid
6.0ms59×body640valid
3.0ms188×body80valid
2.0ms21×body320valid
1.0ms16×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
056
1106
2136
3156
done156

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.1b

localize4.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
3.9b
(- (exp x) 1.0)

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
11.0ms
(/ (- (exp x) 1.0) x)
4.0ms
(- (exp x) 1.0)

series57.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- (exp x) 1.0) x)
15.0ms
(- (exp x) 1.0)

simplify2.3s

Counts
58 → 58
Iterations

Useful iterations: 4 (1.5s)

IterNodesCost
099596
1221572
2501542
31229537
44072536
done5001536

prune114.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* x 1/6) 1/2)
0.0b
(* x (+ (* x 1/6) 1/2))
0.3b
(* x 1/6)

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l*
add-log-exp
flip3-+ associate-*r/ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
+-commutative distribute-rgt-in distribute-lft-in sum-log
Counts
3 → 51
Calls
3 calls:
3.0ms
(+ (* x 1/6) 1/2)
10.0ms
(* x (+ (* x 1/6) 1/2))
3.0ms
(* x 1/6)

series102.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(+ (* x 1/6) 1/2)
58.0ms
(* x (+ (* x 1/6) 1/2))
14.0ms
(* x 1/6)

simplify1.9s

Counts
60 → 60
Iterations

Useful iterations: 3 (301.0ms)

IterNodesCost
078480
1204439
2502399
31461397
done5000397

prune99.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ (sqrt (exp x)) (sqrt 1.0)) (/ x (- (sqrt (exp x)) (sqrt 1.0))))
0.2b
(sqrt (exp x))
0.2b
(sqrt (exp x))
3.9b
(- (sqrt (exp x)) (sqrt 1.0))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
332×*-un-lft-identity
327×times-frac
274×add-sqr-sqrt
188×sqrt-prod
120×add-cube-cbrt
76×difference-of-squares
68×distribute-lft-out
38×distribute-lft-out--
33×associate-/r*
13×associate-/r/
add-exp-log add-cbrt-cube
sqrt-pow1
flip3-- flip-- div-inv
pow1 exp-prod add-log-exp
associate-/l*
cbrt-undiv div-exp
rem-sqrt-square pow1/2 associate-/l/
sub-neg frac-2neg flip3-+ diff-log clear-num flip-+
Counts
4 → 270
Calls
4 calls:
39.0ms
(/ (+ (sqrt (exp x)) (sqrt 1.0)) (/ x (- (sqrt (exp x)) (sqrt 1.0))))
1.0ms
(sqrt (exp x))
1.0ms
(sqrt (exp x))
8.0ms
(- (sqrt (exp x)) (sqrt 1.0))

series211.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(/ (+ (sqrt (exp x)) (sqrt 1.0)) (/ x (- (sqrt (exp x)) (sqrt 1.0))))
12.0ms
(sqrt (exp x))
12.0ms
(sqrt (exp x))
38.0ms
(- (sqrt (exp x)) (sqrt 1.0))

simplify935.0ms

Counts
282 → 282
Iterations

Useful iterations: 2 (251.0ms)

IterNodesCost
02876997
16326409
222585855
done50005855

prune377.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes15.0ms

Accuracy

98.6% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.2b

bsearch32.0ms

Steps
ItersRangePoint
9
-5.7596417613087905
-8.638519114283913e-09
-0.0002022345445868293

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01928
12628
done2628

end0.0ms

sample880.0ms

Algorithm
intervals
Results
390.0ms2245×body1280valid
180.0ms1677×body640valid
100.0ms5529×body80valid
57.0ms839×body320valid
19.0ms432×body160valid