Details

Time bar (total: 6.7s)

sample13.0ms

Algorithm
intervals
Results
4.0ms234×body80valid
1.0msbody1280valid
1.0msbody640valid
0.0msbody160valid
0.0msbody2560valid

simplify87.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1127
2197
3297
4397
5487
6607
7837
81037
91187
101247
111277
done1277

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 1 expressions with local error:

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

rewrite13.0ms

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:
13.0ms
(+ x (/ (- x y) 2.0))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(+ x (/ (- x y) 2.0))

simplify992.0ms

Counts
21 → 21
Iterations

Useful iterations: 4 (276.0ms)

IterNodesCost
036194
198186
2234172
3684172
42699171
done5001171

prune57.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite76.0ms

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:
71.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

series45.0ms

Counts
1 → 3
Calls
1 calls:
44.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

simplify536.0ms

Counts
81 → 81
Iterations

Useful iterations: done (527.0ms)

IterNodesCost
01822778
14442480
212851758
done50001743

prune112.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

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)

rewrite12.0ms

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:
6.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
3.0ms
(cbrt x)
1.0ms
(cbrt x)

series797.0ms

Counts
4 → 12
Calls
4 calls:
218.0ms
(* (cbrt x) (cbrt x))
199.0ms
(cbrt x)
189.0ms
(cbrt x)
191.0ms
(cbrt x)

simplify1.5s

Counts
93 → 93
Iterations

Useful iterations: 3 (349.0ms)

IterNodesCost
065554
1119443
2383423
31868405
done5000405

prune250.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt (cbrt x))
0.6b
(cbrt (cbrt x))
0.6b
(cbrt (cbrt x))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
30×cbrt-prod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
Counts
4 → 61
Calls
4 calls:
0.0ms
(cbrt x)
1.0ms
(cbrt (cbrt x))
4.0ms
(cbrt (cbrt x))
1.0ms
(cbrt (cbrt x))

series1.0s

Counts
4 → 12
Calls
4 calls:
207.0ms
(cbrt x)
270.0ms
(cbrt (cbrt x))
269.0ms
(cbrt (cbrt x))
267.0ms
(cbrt (cbrt x))

simplify559.0ms

Counts
73 → 73
Iterations

Useful iterations: 3 (60.0ms)

IterNodesCost
046419
179400
2151370
3335358
41129358
done5001358

prune252.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes61.0ms

Accuracy

0% (0.0b 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
079
189
done89

end0.0ms

sample320.0ms

Algorithm
intervals
Results
142.0ms7409×body80valid
19.0ms148×body640valid
17.0ms202×body1280valid
9.0ms90×body2560valid
5.0ms99×body320valid
2.0ms56×body160valid