Details

Time bar (total: 18.9s)

sample16.0ms

Algorithm
intervals
Results
5.0ms236×body80valid
1.0msbody1280valid
0.0msbody640valid
0.0msbody2560valid
0.0msbody320valid
0.0msbody160valid

simplify5.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite36.0ms

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:
35.0ms
(+ x (/ (- x y) 2.0))

series58.0ms

Counts
1 → 3
Calls
1 calls:
58.0ms
(+ x (/ (- x y) 2.0))

simplify2.9s

Counts
21 → 21
Iterations

Useful iterations: 4 (1.3s)

IterNodesCost
036194
198186
2269172
3872172
44342171
done5000171

prune98.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 1 expressions with local error:

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

rewrite186.0ms

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:
181.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

series54.0ms

Counts
1 → 3
Calls
1 calls:
54.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

simplify2.7s

Counts
81 → 81
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01822778
14692488
218461818
done50001326

prune139.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite25.0ms

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:
18.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.2s

Counts
4 → 12
Calls
4 calls:
330.0ms
(* (cbrt x) (cbrt x))
308.0ms
(cbrt x)
296.0ms
(cbrt x)
298.0ms
(cbrt x)

simplify1.2s

Counts
93 → 93
Iterations

Useful iterations: done (1.2s)

IterNodesCost
065554
1143443
2719423
done5000409

prune360.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize14.0ms

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)))

rewrite166.0ms

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:
124.0ms
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
16.0ms
(cbrt (+ x (/ x 2.0)))
9.0ms
(cbrt (+ x (/ x 2.0)))
10.0ms
(cbrt (+ x (/ x 2.0)))

series1.4s

Counts
4 → 12
Calls
4 calls:
357.0ms
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
321.0ms
(cbrt (+ x (/ x 2.0)))
349.0ms
(cbrt (+ x (/ x 2.0)))
371.0ms
(cbrt (+ x (/ x 2.0)))

simplify1.1s

Counts
115 → 115
Iterations

Useful iterations: done (1.1s)

IterNodesCost
0941680
12141527
28581441
done50001368

prune537.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes90.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
177
done77

end0.0ms

sample740.0ms

Algorithm
intervals
Results
367.0ms7370×body80valid
35.0ms235×body1280valid
20.0ms176×body640valid
16.0ms89×body2560valid
8.0ms92×body320valid
2.0ms40×body160valid