Details

Time bar (total: 23.8s)

sample32.0ms

Algorithm
intervals
Results
10.0ms233×body80valid
2.0msbody1280valid
1.0msbody2560valid
1.0msbody640valid
0.0msbody160valid

simplify8.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1127
2197
3297
4407
5947
62067
74867
812727
943247
done50007

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ x (/ (- x y) 2.0))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
fma-def add-log-exp
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log +-commutative expm1-log1p-u associate-+r- flip3-+ div-sub sum-log add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out
Counts
1 → 18
Calls
1 calls:
41.0ms
(+ x (/ (- x y) 2.0))

series73.0ms

Counts
1 → 3
Calls
1 calls:
73.0ms
(+ x (/ (- x y) 2.0))

simplify3.2s

Counts
21 → 21
Iterations

Useful iterations: 4 (1.5s)

IterNodesCost
036194
198186
2269172
3872172
44342171
done5000171

prune126.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 1 expressions with local error:

0.0b
(- (+ x (/ x 2.0)) (/ y 2.0))

rewrite205.0ms

Algorithm
rewrite-expression-head
Rules
76×*-un-lft-identity
52×prod-diff
48×add-sqr-sqrt
43×add-cube-cbrt
37×times-frac
15×distribute-lft-out
add-log-exp
fma-neg div-inv
diff-log frac-sub distribute-lft-out-- difference-of-squares
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- flip3-+ associate--l+ sum-log add-cbrt-cube flip-- flip-+ log1p-expm1-u
Counts
1 → 78
Calls
1 calls:
196.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

series62.0ms

Counts
1 → 3
Calls
1 calls:
62.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

simplify2.7s

Counts
81 → 81
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01822778
14692488
218461818
done50001326

prune233.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
0.6b
(cbrt (+ x (/ x 2.0)))
0.6b
(cbrt (+ x (/ x 2.0)))
0.6b
(cbrt (+ x (/ x 2.0)))

rewrite237.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 103
Calls
4 calls:
178.0ms
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
18.0ms
(cbrt (+ x (/ x 2.0)))
17.0ms
(cbrt (+ x (/ x 2.0)))
18.0ms
(cbrt (+ x (/ x 2.0)))

series1.7s

Counts
4 → 12
Calls
4 calls:
468.0ms
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
411.0ms
(cbrt (+ x (/ x 2.0)))
409.0ms
(cbrt (+ x (/ x 2.0)))
391.0ms
(cbrt (+ x (/ x 2.0)))

simplify1.3s

Counts
115 → 115
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0941680
12141527
28581441
done50001368

prune817.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ x (/ x 2.0)))
0.6b
(cbrt (+ x (/ x 2.0)))
0.6b
(cbrt (+ x (/ x 2.0)))
0.6b
(cbrt (+ x (/ x 2.0)))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
16×cbrt-prod *-un-lft-identity
add-sqr-sqrt add-cube-cbrt cbrt-div
pow1 add-exp-log expm1-log1p-u flip3-+ pow1/3 add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
4 → 64
Calls
4 calls:
16.0ms
(cbrt (+ x (/ x 2.0)))
14.0ms
(cbrt (+ x (/ x 2.0)))
15.0ms
(cbrt (+ x (/ x 2.0)))
22.0ms
(cbrt (+ x (/ x 2.0)))

series1.4s

Counts
4 → 12
Calls
4 calls:
348.0ms
(cbrt (+ x (/ x 2.0)))
355.0ms
(cbrt (+ x (/ x 2.0)))
360.0ms
(cbrt (+ x (/ x 2.0)))
358.0ms
(cbrt (+ x (/ x 2.0)))

simplify1.6s

Counts
76 → 76
Iterations

Useful iterations: 4 (501.0ms)

IterNodesCost
045804
194760
2196712
3521700
41512692
done5001692

prune618.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.0b

regimes221.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
177
done77

end0.0ms

sample883.0ms

Algorithm
intervals
Results
347.0ms7384×body80valid
60.0ms98×body2560valid
44.0ms237×body1280valid
43.0ms91×body320valid
22.0ms140×body640valid
4.0ms57×body160valid