Details

Time bar (total: 11.7s)

sample15.0ms

Algorithm
intervals
Results
6.0ms232×body80valid
1.0msbody1280valid
0.0msbody2560valid
0.0msbody640valid
0.0msbody320valid
0.0msbody160valid

simplify107.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1127
2197
3297
4397
5487
6537
7627
8787
9997
101107
111127
121167
131197
done1197

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize4.0ms

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:
12.0ms
(+ x (/ (- x y) 2.0))

series41.0ms

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

simplify1.1s

Counts
21 → 21
Iterations

Useful iterations: 4 (335.0ms)

IterNodesCost
036194
198186
2234172
3674172
42652171
done5000171

prune236.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

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:
72.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

series37.0ms

Counts
1 → 3
Calls
1 calls:
37.0ms
(- (+ x (/ x 2.0)) (/ y 2.0))

simplify1.2s

Counts
81 → 81
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01822778
14522480
212851830
done50011791

prune102.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

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)

rewrite10.0ms

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))
0.0ms
(cbrt x)
0.0ms
(cbrt x)
1.0ms
(cbrt x)

series756.0ms

Counts
4 → 12
Calls
4 calls:
206.0ms
(* (cbrt x) (cbrt x))
181.0ms
(cbrt x)
182.0ms
(cbrt x)
187.0ms
(cbrt x)

simplify3.7s

Counts
93 → 93
Iterations

Useful iterations: 4 (1.9s)

IterNodesCost
065554
1119495
2322423
31163405
43785400
done5000400

prune232.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

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

rewrite71.0ms

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:
50.0ms
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
6.0ms
(cbrt (+ x (/ x 2.0)))
6.0ms
(cbrt (+ x (/ x 2.0)))
6.0ms
(cbrt (+ x (/ x 2.0)))

series866.0ms

Counts
4 → 12
Calls
4 calls:
245.0ms
(* (cbrt (+ x (/ x 2.0))) (cbrt (+ x (/ x 2.0))))
210.0ms
(cbrt (+ x (/ x 2.0)))
202.0ms
(cbrt (+ x (/ x 2.0)))
208.0ms
(cbrt (+ x (/ x 2.0)))

simplify2.3s

Counts
115 → 115
Iterations

Useful iterations: 4 (1.0s)

IterNodesCost
0941680
11831539
24621441
312161312
436251286
done50001286

prune285.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.0b

regimes71.0ms

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
079
189
done89

end0.0ms

sample304.0ms

Algorithm
intervals
Results
133.0ms7396×body80valid
24.0ms225×body1280valid
10.0ms165×body640valid
8.0ms91×body2560valid
4.0ms79×body320valid
2.0ms48×body160valid