Details

Time bar (total: 13.0s)

sample67.0ms

Algorithm
intervals
Results
12.0ms54×body1280valid
10.0ms223×body80nan
9.0ms20×body320valid
7.0ms42×body640valid
7.0ms130×body80valid
1.0ms10×body160valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.7b

localize12.0ms

Local error

Found 1 expressions with local error:

3.1b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity sqrt-prod
difference-of-squares
distribute-lft-out-- add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip-- distribute-lft-out
Counts
1 → 19
Calls
1 calls:
68.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series80.0ms

Counts
1 → 3
Calls
1 calls:
80.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.5s

Counts
22 → 22
Iterations

Useful iterations: done (1.5s)

IterNodesCost
059310
1134285
2443263
31777257
done5001250

prune83.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.1b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
48×*-un-lft-identity
20×sqrt-prod distribute-lft-out
18×times-frac
13×add-sqr-sqrt add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube add-log-exp
associate-/l*
pow1 flip3-+ associate-/r/ flip-+
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 55
Calls
2 calls:
37.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
74.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series302.0ms

Counts
2 → 6
Calls
2 calls:
87.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
215.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify735.0ms

Counts
61 → 61
Iterations

Useful iterations: done (733.0ms)

IterNodesCost
0128947
1308865
21239790
done5001782

prune169.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
0.1b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
0.1b
(/ 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)))))

rewrite471.0ms

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-exp-log add-cbrt-cube
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 frac-2neg div-exp clear-num
pow2 frac-times pow-plus sqrt-unprod associate-*r/ associate-*l/ prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 250
Calls
4 calls:
79.0ms
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
51.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
54.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
269.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
513.0ms
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
229.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
214.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
203.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

simplify1.8s

Counts
262 → 262
Iterations

Useful iterations: done (1.8s)

IterNodesCost
03116170
17034400
232204128
done50024073

prune760.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize24.0ms

Local error

Found 4 expressions with local error:

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

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
92×*-un-lft-identity
62×sqrt-prod
37×times-frac
36×add-sqr-sqrt distribute-lft-out
29×add-cube-cbrt
27×associate-*l*
12×cbrt-prod
add-exp-log add-cbrt-cube
pow1 associate-/r*
cbrt-div flip3-+ associate-/r/ flip-+ add-log-exp
associate-*r* associate-/l* unswap-sqr
pow1/3 div-inv
cbrt-undiv frac-2neg sqrt-div div-exp pow-prod-down associate-*l/ prod-exp clear-num *-commutative cbrt-unprod
Counts
4 → 118
Calls
4 calls:
49.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
115.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (fabs (/ (cbrt 1.0) (cbrt (+ (sqrt (+ x 1.0)) (sqrt x))))))
27.0ms
(cbrt (+ (sqrt (+ x 1.0)) (sqrt x)))
35.0ms
(cbrt (+ (sqrt (+ x 1.0)) (sqrt x)))

series1.5s

Counts
4 → 12
Calls
4 calls:
197.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
406.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (fabs (/ (cbrt 1.0) (cbrt (+ (sqrt (+ x 1.0)) (sqrt x))))))
450.0ms
(cbrt (+ (sqrt (+ x 1.0)) (sqrt x)))
456.0ms
(cbrt (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify1.6s

Counts
130 → 130
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02853149
17142954
231062720
done50012714

prune603.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

regimes51.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
199
done99

end0.0ms

sample1.6s

Algorithm
intervals
Results
395.0ms7921×body80nan
277.0ms1792×body1280valid
266.0ms1305×body640valid
221.0ms3991×body80valid
54.0ms601×body320valid
19.0ms311×body160valid