Details

Time bar (total: 17.3s)

sample58.0ms

Algorithm
intervals
Results
11.0ms286×body80nan
8.0ms45×body1280valid
8.0ms57×body640valid
5.0ms122×body80valid
2.0ms20×body320valid
1.0ms12×body160valid

simplify9.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune49.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.6b

localize17.0ms

Local error

Found 2 expressions with local error:

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

rewrite115.0ms

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:
13.0ms
(sqrt (+ x 1.0))
94.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series162.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(sqrt (+ x 1.0))
116.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify987.0ms

Counts
95 → 95
Iterations

Useful iterations: done (982.0ms)

IterNodesCost
01371993
13161446
210401125
done5000951

prune356.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize32.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.0b
(+ (sqrt x) (sqrt (+ x 1.0)))
0.2b
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
76×*-un-lft-identity
32×distribute-lft-out
31×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 → 93
Calls
3 calls:
14.0ms
(sqrt (+ x 1.0))
39.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
89.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

series389.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(sqrt (+ x 1.0))
100.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
237.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

simplify1.7s

Counts
102 → 102
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01691453
14281178
219951093
done50011085

prune569.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
26.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.4s

Counts
4 → 12
Calls
4 calls:
363.0ms
(* (cbrt x) (cbrt x))
338.0ms
(cbrt x)
341.0ms
(cbrt x)
345.0ms
(cbrt x)

simplify1.5s

Counts
93 → 93
Iterations

Useful iterations: done (1.4s)

IterNodesCost
065554
1143443
2719423
done5000409

prune707.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

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

rewrite626.0ms

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
expm1-log1p-u log1p-expm1-u 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 → 258
Calls
4 calls:
79.0ms
(sqrt (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))
78.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
77.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
358.0ms
(* (sqrt (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))) (sqrt (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))

series1.5s

Counts
4 → 12
Calls
4 calls:
659.0ms
(sqrt (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))
262.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
258.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
305.0ms
(* (sqrt (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))) (sqrt (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))

simplify2.8s

Counts
270 → 270
Iterations

Useful iterations: done (2.7s)

IterNodesCost
03176276
17344476
233354198
done50024140

prune1.5s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes108.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01218
11416
21516
done1516

end0.0ms

sample2.6s

Algorithm
intervals
Results
791.0ms1235×body640valid
497.0ms7916×body80nan
493.0ms1773×body1280valid
177.0ms4046×body80valid
125.0ms617×body320valid
27.0ms329×body160valid