Details

Time bar (total: 5.6s)

sample29.0ms

Algorithm
intervals
Results
5.0ms48×body640valid
5.0ms64×body1280valid
4.0ms278×body80nan
2.0ms114×body80valid
1.0ms21×body320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104
done104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.9b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite39.0ms

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:
38.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series69.0ms

Counts
1 → 3
Calls
1 calls:
69.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify47.0ms

Counts
22 → 22
Iterations

Useful iterations: 3 (44.0ms)

IterNodesCost
0132175
1400159
21559153
35001149
done5001149

prune46.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite74.0ms

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:
29.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
43.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series198.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
134.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify35.0ms

Counts
61 → 61
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0295535
11077482
25001453
done5001453

prune119.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 4 expressions with local error:

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

rewrite274.0ms

Algorithm
rewrite-expression-head
Rules
742×*-un-lft-identity
700×sqrt-prod
594×times-frac
280×distribute-lft-out
254×add-sqr-sqrt
252×add-cube-cbrt
36×associate-/l*
28×sqrt-div
24×associate-/r/
18×associate-/r*
14×flip3-+ flip-+
12×div-inv
11×add-exp-log add-cbrt-cube
pow1
cbrt-undiv div-exp add-log-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num
associate-/l/
Counts
4 → 445
Calls
4 calls:
38.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
36.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
43.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
117.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

series774.0ms

Counts
4 → 12
Calls
4 calls:
156.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
160.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
321.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
136.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

simplify121.0ms

Counts
457 → 457
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
010338862
141207704
250017681
done50017681

prune565.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
0.2b
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (cbrt (pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3)))
0.3b
(cbrt (pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3))
0.5b
(pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3)

rewrite418.0ms

Algorithm
rewrite-expression-head
Rules
1804×*-un-lft-identity
1674×times-frac
1600×sqrt-prod
840×cbrt-prod
684×add-sqr-sqrt add-cube-cbrt
640×distribute-lft-out
324×unpow-prod-down cube-prod
64×sqrt-div
60×associate-/r/
36×cube-mult unpow3 associate-/r* associate-/l* sqr-pow
32×flip3-+ flip-+
30×div-inv
12×add-exp-log
10×add-cbrt-cube
pow1 cube-div
cbrt-undiv cbrt-div div-exp add-log-exp
pow-unpow pow-pow
frac-2neg clear-num
pow-to-exp sqrt-pow1 pow1/2 pow1/3 pow-exp sqrt-pow2 rem-cbrt-cube associate-/l/ rem-cube-cbrt
Counts
4 → 1096
Calls
4 calls:
42.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
168.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (cbrt (pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3)))
40.0ms
(cbrt (pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3))
43.0ms
(pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3)

series979.0ms

Counts
4 → 12
Calls
4 calls:
325.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
143.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (cbrt (pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3)))
156.0ms
(cbrt (pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3))
355.0ms
(pow (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))) 3)

simplify211.0ms

Counts
1108 → 1108
Iterations

Useful iterations: 1 (33.0ms)

IterNodesCost
0193626487
1500121134
done500121134

prune855.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

regimes45.0ms

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
095
195
done95

end0.0ms

sample688.0ms

Algorithm
intervals
Results
136.0ms1691×body1280valid
135.0ms8018×body80nan
83.0ms1335×body640valid
69.0ms4048×body80valid
28.0ms618×body320valid
10.0ms308×body160valid