Details

Time bar (total: 16.8s)

sample146.0ms

Algorithm
intervals
Results
78.0ms745×body80nan
11.0ms255×body80valid
0.0msbody160valid

simplify14.0ms

Counts
1 → 1
Iterations
IterNodes
done12
112
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize12.0ms

Local error

Found 1 expressions with local error:

0.5b
(* (sqrt (- x 1)) (sqrt x))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
14×sqrt-prod
10×associate-*l*
*-un-lft-identity
associate-*r*
pow1 add-cube-cbrt
unswap-sqr
add-cbrt-cube pow-prod-down add-exp-log
sqrt-pow1 pow1/2 sqrt-div associate-*l/ difference-of-squares
expm1-log1p-u flip3-- sqrt-unprod difference-of-sqr-1 prod-exp *-commutative cbrt-unprod insert-posit16 log1p-expm1-u flip-- distribute-lft-out-- add-log-exp
Counts
1 → 39
Calls
1 calls:
19.0ms
(* (sqrt (- x 1)) (sqrt x))

series124.0ms

Counts
1 → 3
Calls
1 calls:
124.0ms
(* (sqrt (- x 1)) (sqrt x))

simplify2.1s

Counts
42 → 42
Iterations
IterNodes
done5000
31365
2493
1199
087

prune127.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- x 1))
0.5b
(cbrt (- x 1))
0.5b
(cbrt (- x 1))
0.6b
(* (cbrt (- x 1)) (cbrt (- x 1)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
61×cbrt-prod
55×add-sqr-sqrt
44×*-un-lft-identity
18×cbrt-div
16×difference-of-squares
15×add-cube-cbrt
14×swap-sqr
11×pow1
10×associate-*r* associate-*l*
flip3-- pow1/3 difference-of-sqr-1 flip-- distribute-lft-out--
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 127
Calls
4 calls:
6.0ms
(cbrt (- x 1))
5.0ms
(cbrt (- x 1))
3.0ms
(cbrt (- x 1))
25.0ms
(* (cbrt (- x 1)) (cbrt (- x 1)))

series296.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(cbrt (- x 1))
69.0ms
(cbrt (- x 1))
77.0ms
(cbrt (- x 1))
69.0ms
(* (cbrt (- x 1)) (cbrt (- x 1)))

simplify2.2s

Counts
139 → 139
Iterations
IterNodes
done5007
33176
2997
1360
0157

prune685.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (- (/ -1/8 x) 1/2) x)

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
43×*-un-lft-identity
41×add-sqr-sqrt associate-+l+
39×prod-diff
36×add-cube-cbrt
28×times-frac
fma-def add-log-exp
div-inv
sum-log distribute-lft-out distribute-lft-out-- difference-of-squares
expm1-log1p-u pow1 +-commutative sub-neg flip3-+ add-cbrt-cube diff-log add-exp-log associate-+l- flip-+ insert-posit16 log1p-expm1-u
Counts
1 → 65
Calls
1 calls:
65.0ms
(+ (- (/ -1/8 x) 1/2) x)

series24.0ms

Counts
1 → 3
Calls
1 calls:
24.0ms
(+ (- (/ -1/8 x) 1/2) x)

simplify2.0s

Counts
68 → 68
Iterations
IterNodes
done5006
31501
2352
1133
057

prune269.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (- x 1) x)
32.5b
(sqrt (* (- x 1) x))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
pow1 *-un-lft-identity associate-*l*
add-cbrt-cube associate-*l/ add-exp-log add-cube-cbrt
associate-*r*
expm1-log1p-u sqrt-pow1 flip3-- sqrt-div pow-prod-down insert-posit16 log1p-expm1-u flip-- add-log-exp difference-of-squares
pow1/2 difference-of-sqr-1 prod-exp *-commutative sqrt-prod cbrt-unprod distribute-lft-out-- unswap-sqr
Counts
2 → 43
Calls
2 calls:
30.0ms
(* (- x 1) x)
8.0ms
(sqrt (* (- x 1) x))

series122.0ms

Counts
2 → 6
Calls
2 calls:
69.0ms
(* (- x 1) x)
53.0ms
(sqrt (* (- x 1) x))

simplify4.3s

Counts
49 → 49
Iterations
IterNodes
done5000
43651
31291
2461
1193
084

prune184.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes42.0ms

Accuracy

0% (0.8b remaining)

Error of 0.8b against oracle of 0.0b and baseline of 0.8b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done14
114
010

end0.0ms

sample3.9s

Algorithm
intervals
Results
2.7s23634×body80nan
710.0ms7994×body80valid
1.0msbody160valid