Details

Time bar (total: 9.6s)

sample50.0ms

Algorithm
intervals
Results
20.0ms107×body1280valid
9.0ms93×body640valid
4.0ms374×pre80true
3.0ms36×body320valid
2.0ms125×body80valid
1.0ms13×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
164
274
done74

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.8b

localize4.0ms

Local error

Found 1 expressions with local error:

4.9b
(- (exp x) 1.0)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
1 → 28
Calls
1 calls:
13.0ms
(- (exp x) 1.0)

series30.0ms

Counts
1 → 3
Calls
1 calls:
30.0ms
(- (exp x) 1.0)

simplify1.8s

Counts
31 → 31
Iterations

Useful iterations: done (1.8s)

IterNodesCost
066376
1150291
2425231
32023186
done5001175

prune78.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 1 expressions with local error:

0.0b
(fma (pow x 2) (fma x 1/6 1/2) x)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
1.0ms
(fma (pow x 2) (fma x 1/6 1/2) x)

series46.0ms

Counts
1 → 3
Calls
1 calls:
46.0ms
(fma (pow x 2) (fma x 1/6 1/2) x)

simplify909.0ms

Counts
13 → 13
Iterations

Useful iterations: 3 (184.0ms)

IterNodesCost
025167
152161
2157143
3729137
done5000137

prune64.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (pow x 2) (fma x 1/6 1/2) x)
0.0b
(pow (fma (pow x 2) (fma x 1/6 1/2) x) 3)
41.9b
(cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 3))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down cube-prod
pow1 add-exp-log add-cbrt-cube
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
cube-mult unpow3 sqr-pow
pow-to-exp pow-pow pow1/3 pow-exp rem-cbrt-cube fma-udef rem-cube-cbrt
Counts
3 → 58
Calls
3 calls:
0.0ms
(fma (pow x 2) (fma x 1/6 1/2) x)
3.0ms
(pow (fma (pow x 2) (fma x 1/6 1/2) x) 3)
2.0ms
(cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 3))

series140.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(fma (pow x 2) (fma x 1/6 1/2) x)
48.0ms
(pow (fma (pow x 2) (fma x 1/6 1/2) x) 3)
46.0ms
(cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 3))

simplify1.7s

Counts
67 → 67
Iterations

Useful iterations: done (1.7s)

IterNodesCost
0911155
1227962
21190856
done5000855

prune235.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (fma (pow x 2) (fma x 1/6 1/2) x) 2)
0.3b
(* (cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 2)) (cbrt (fma (pow x 2) (fma x 1/6 1/2) x)))
0.7b
(cbrt (fma (pow x 2) (fma x 1/6 1/2) x))
29.0b
(cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 2))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
30×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity
11×unpow-prod-down associate-*l*
10×unswap-sqr
pow1 add-exp-log
associate-*r* unpow2
sqr-pow
expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
pow-unpow
pow-prod-down
pow-to-exp pow-pow pow3 pow-exp prod-exp *-commutative cbrt-unprod
Counts
4 → 93
Calls
4 calls:
3.0ms
(pow (fma (pow x 2) (fma x 1/6 1/2) x) 2)
31.0ms
(* (cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 2)) (cbrt (fma (pow x 2) (fma x 1/6 1/2) x)))
2.0ms
(cbrt (fma (pow x 2) (fma x 1/6 1/2) x))
5.0ms
(cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 2))

series263.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(pow (fma (pow x 2) (fma x 1/6 1/2) x) 2)
32.0ms
(* (cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 2)) (cbrt (fma (pow x 2) (fma x 1/6 1/2) x)))
102.0ms
(cbrt (fma (pow x 2) (fma x 1/6 1/2) x))
87.0ms
(cbrt (pow (fma (pow x 2) (fma x 1/6 1/2) x) 2))

simplify978.0ms

Counts
105 → 105
Iterations

Useful iterations: done (973.0ms)

IterNodesCost
01852454
14302271
214202128
done50002083

prune466.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes52.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
done79

end0.0ms

sample2.7s

Algorithm
intervals
Results
945.0ms3385×body1280valid
861.0ms2545×body640valid
262.0ms11936×pre80true
123.0ms1235×body320valid
99.0ms4096×body80valid
72.0ms675×body160valid