Details

Time bar (total: 4.7s)

sample26.0ms

Algorithm
intervals
Results
5.0ms267×body80nan
4.0ms55×body1280valid
3.0ms55×body640valid
2.0ms118×body80valid
1.0ms18×body320valid
0.0ms10×body160valid

simplify5.0ms

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: 32.5b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
2.4b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
61×sqrt-prod
54×*-un-lft-identity
42×add-sqr-sqrt prod-diff
31×add-cube-cbrt
distribute-lft-out
fma-neg
add-log-exp difference-of-squares
pow1 distribute-lft-out--
add-exp-log expm1-log1p-u sqrt-div add-cbrt-cube log1p-expm1-u
sub-neg rem-sqrt-square flip3-- sqrt-pow1 flip3-+ pow1/2 diff-log flip-- flip-+ hypot-def
Counts
2 → 89
Calls
2 calls:
7.0ms
(sqrt (+ x 1.0))
47.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series97.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(sqrt (+ x 1.0))
65.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify38.0ms

Counts
95 → 95
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
02991161
1921822
25001744
done5001744

prune129.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize7.0ms

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 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
33×distribute-lft-out
32×sqrt-prod
24×times-frac
21×add-sqr-sqrt
18×add-cube-cbrt
fma-def
associate-/r*
add-exp-log add-cbrt-cube add-log-exp
pow1 flip3-+ flip-+ associate-/l*
expm1-log1p-u log1p-expm1-u
sqrt-div associate-/r/ associate-/l/
cbrt-undiv +-commutative rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp clear-num sum-log hypot-def div-inv
Counts
3 → 94
Calls
3 calls:
7.0ms
(sqrt (+ x 1.0))
34.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
55.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

series226.0ms

Counts
3 → 9
Calls
3 calls:
29.0ms
(sqrt (+ x 1.0))
67.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
129.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify57.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0409789
11675716
25001675
done5001675

prune212.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

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 0) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
0.2b
(/ (/ (+ 1.0 0) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

rewrite316.0ms

Algorithm
rewrite-expression-head
Rules
1122×*-un-lft-identity
908×sqrt-prod
774×times-frac
460×distribute-lft-out
310×add-sqr-sqrt
292×add-cube-cbrt
46×associate-/l*
28×sqrt-div
24×associate-/r/
18×associate-/r*
15×flip3-+ flip-+
12×div-inv
11×add-exp-log add-cbrt-cube
hypot-def
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u add-log-exp
associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num
Counts
4 → 563
Calls
4 calls:
40.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
41.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
56.0ms
(/ (+ 1.0 0) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
130.0ms
(/ (/ (+ 1.0 0) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

series796.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
157.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
331.0ms
(/ (+ 1.0 0) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
146.0ms
(/ (/ (+ 1.0 0) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

simplify159.0ms

Counts
575 → 575
Iterations

Useful iterations: 1 (26.0ms)

IterNodesCost
0110711444
145519783
250019783
done50019783

prune614.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
0.2b
(/ (+ 1.0 0) (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
25×add-sqr-sqrt
19×add-cube-cbrt
13×cbrt-prod
12×times-frac
10×associate-*r*
sqrt-prod
add-exp-log add-cbrt-cube
distribute-lft-out
pow1 cbrt-div
flip3-+ flip-+
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp
associate-*l* associate-/r* unswap-sqr
pow1/3 sqrt-div associate-*r/ associate-/r/ associate-/l/
cbrt-undiv frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv
Counts
4 → 100
Calls
4 calls:
24.0ms
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
40.0ms
(/ (+ 1.0 0) (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
4.0ms
(cbrt (+ x 1.0))
4.0ms
(cbrt (+ x 1.0))

series470.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
190.0ms
(/ (+ 1.0 0) (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
90.0ms
(cbrt (+ x 1.0))
89.0ms
(cbrt (+ x 1.0))

simplify111.0ms

Counts
112 → 112
Iterations

Useful iterations: 2 (97.0ms)

IterNodesCost
09381649
145401538
250011536
done50011536

prune393.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

regimes36.0ms

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
0126
1166
2166
done166

end0.0ms

sample708.0ms

Algorithm
intervals
Results
147.0ms1783×body1280valid
136.0ms8113×body80nan
79.0ms1231×body640valid
73.0ms4030×body80valid
29.0ms629×body320valid
11.0ms327×body160valid