Details

Time bar (total: 16.4s)

sample44.0ms

Algorithm
intervals
Results
9.0ms55×body1280valid
8.0ms43×body640valid
8.0ms248×body80nan
4.0ms124×body80valid
2.0ms23×body320valid
1.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
06162
19162
210162
done10162

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
2.6b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity sqrt-prod
add-log-exp difference-of-squares
pow1 add-cube-cbrt distribute-lft-out--
add-cbrt-cube sqrt-div add-exp-log distribute-lft-out
rem-sqrt-square sub-neg sqrt-pow1 flip3-+ flip3-- pow1/2 diff-log flip-+ flip--
Counts
2 → 35
Calls
2 calls:
12.0ms
(sqrt (+ x 1.0))
58.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series172.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(sqrt (+ x 1.0))
116.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.7s

Counts
41 → 41
Iterations

Useful iterations: 2 (160.0ms)

IterNodesCost
08612737
11939896
25399452
316059452
done50069452

prune160.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 29.7b

localize31.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.0b
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
1.7b
(- (+ x 1.0) x)

rewrite241.0ms

Algorithm
rewrite-expression-head
Rules
117×*-un-lft-identity
41×distribute-lft-out
36×add-sqr-sqrt times-frac sqrt-prod
19×add-cube-cbrt
16×distribute-lft-out--
11×add-log-exp
difference-of-squares
associate-/r* add-cbrt-cube add-exp-log associate-/l*
pow1
flip3-+ flip-+
sum-log flip3-- sqrt-div diff-log associate-/r/ flip-- associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub div-exp associate--l+ div-inv
Counts
4 → 112
Calls
4 calls:
6.0ms
(sqrt (+ x 1.0))
36.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
135.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
60.0ms
(- (+ x 1.0) x)

series330.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(sqrt (+ x 1.0))
80.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
205.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
1.0ms
(- (+ x 1.0) x)

simplify2.0s

Counts
124 → 124
Iterations

Useful iterations: done (2.0s)

IterNodesCost
018842967
148935953
2169635146
done500034669

prune468.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.2b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
24×sqrt-prod
21×distribute-lft-out
18×times-frac
16×add-sqr-sqrt
15×add-cube-cbrt
associate-/r*
add-cbrt-cube add-exp-log add-log-exp
pow1
flip3-+ flip-+ associate-/l*
sqrt-div associate-/r/
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 pow1/2 div-exp div-inv
Counts
3 → 71
Calls
3 calls:
5.0ms
(sqrt (+ x 1.0))
24.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
37.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series331.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(sqrt (+ x 1.0))
107.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
174.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify3.0s

Counts
80 → 80
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
015627666
137122188
2113121250
3382520930
done506620930

prune272.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
0.2b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
0.2b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
0.3b
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

rewrite371.0ms

Algorithm
rewrite-expression-head
Rules
297×*-un-lft-identity
274×sqrt-prod
157×times-frac
119×add-sqr-sqrt
116×distribute-lft-out
88×add-cube-cbrt
41×swap-sqr
27×associate-*r* associate-*l*
20×pow1
14×associate-/r/
12×associate-/r*
10×add-cbrt-cube add-exp-log
sqrt-pow1 pow1/2 unswap-sqr
flip3-+ flip-+ div-inv
associate-/l*
sqrt-div pow-prod-up
add-log-exp
pow-prod-down pow-sqr
cbrt-undiv rem-sqrt-square clear-num frac-2neg div-exp
pow2 frac-times rem-square-sqrt pow-plus sqrt-unprod associate-*l/ prod-exp associate-*r/ *-commutative cbrt-unprod
Counts
4 → 250
Calls
4 calls:
60.0ms
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
36.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
45.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
216.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

series1.1s

Counts
4 → 12
Calls
4 calls:
443.0ms
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
213.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
202.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
229.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

simplify3.1s

Counts
262 → 262
Iterations

Useful iterations: done (3.0s)

IterNodesCost
0310116171
168993167
2187991659
done500091259

prune884.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

regimes88.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
07202
19202
done9202

end0.0ms

sample1.9s

Algorithm
intervals
Results
677.0ms4095×body80valid
359.0ms1684×body1280valid
346.0ms7971×body80nan
205.0ms1253×body640valid
63.0ms662×body320valid
21.0ms306×body160valid