Details

Time bar (total: 11.3s)

sample21.0ms

Algorithm
intervals
Results
8.0ms280×body80valid

simplify845.0ms

Counts
1 → 1
Iterations

Useful iterations: 3 (9.0ms)

IterNodesCost
01011
11711
23211
35910
410110
515010
620010
723610
827910
936510
1047810
1155010
1264410
1367210
done67210

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- a t))
3.0b
(fma (/ y (- a t)) (- z t) x)

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube distribute-lft-out-- difference-of-squares
associate-/l*
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 49
Calls
2 calls:
6.0ms
(/ y (- a t))
0.0ms
(fma (/ y (- a t)) (- z t) x)

series220.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ y (- a t))
190.0ms
(fma (/ y (- a t)) (- z t) x)

simplify1.1s

Counts
55 → 55
Iterations

Useful iterations: 4 (418.0ms)

IterNodesCost
092550
1167533
2347493
3756491
41990490
done5000490

prune173.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
3.0b
(fma (* (* (cbrt y) (cbrt y)) (/ (cbrt y) (- a t))) (- z t) x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow1/3
fma-udef
Counts
4 → 49
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)
0.0ms
(fma (* (* (cbrt y) (cbrt y)) (/ (cbrt y) (- a t))) (- z t) x)

series799.0ms

Counts
4 → 12
Calls
4 calls:
195.0ms
(cbrt y)
191.0ms
(cbrt y)
192.0ms
(cbrt y)
221.0ms
(fma (* (* (cbrt y) (cbrt y)) (/ (cbrt y) (- a t))) (- z t) x)

simplify2.3s

Counts
61 → 61
Iterations

Useful iterations: 3 (76.0ms)

IterNodesCost
049462
184450
2193354
3651310
43916310
done5001310

prune212.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(cbrt (- a t))
0.6b
(* (cbrt (- a t)) (cbrt (- a t)))
3.0b
(fma (/ (/ y (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (- z t) x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
38×cbrt-prod
34×add-sqr-sqrt
32×*-un-lft-identity
16×cbrt-div
14×add-cube-cbrt
11×pow1
10×swap-sqr
flip3-- pow1/3 associate-*r* associate-*l* flip-- distribute-lft-out--
add-exp-log difference-of-squares
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 fma-udef
Counts
4 → 102
Calls
4 calls:
2.0ms
(cbrt (- a t))
2.0ms
(cbrt (- a t))
21.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
0.0ms
(fma (/ (/ y (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (- z t) x)

series645.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(cbrt (- a t))
159.0ms
(cbrt (- a t))
139.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
185.0ms
(fma (/ (/ y (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (- z t) x)

simplify1.1s

Counts
114 → 114
Iterations

Useful iterations: 3 (458.0ms)

IterNodesCost
01561539
13061431
27671251
321521127
done50001127

prune383.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (/ y (- a t)) (- z t) x))
3.0b
(fma (/ y (- a t)) (- z t) x)
3.0b
(fma (/ y (- a t)) (- z t) x)
3.0b
(fma (/ y (- a t)) (- z t) x)

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (/ y (- a t)) (- z t) x))
0.0ms
(fma (/ y (- a t)) (- z t) x)
0.0ms
(fma (/ y (- a t)) (- z t) x)
0.0ms
(fma (/ y (- a t)) (- z t) x)

series1.2s

Counts
4 → 12
Calls
4 calls:
651.0ms
(cbrt (fma (/ y (- a t)) (- z t) x))
191.0ms
(fma (/ y (- a t)) (- z t) x)
187.0ms
(fma (/ y (- a t)) (- z t) x)
186.0ms
(fma (/ y (- a t)) (- z t) x)

simplify1.1s

Counts
55 → 55
Iterations

Useful iterations: done (1.1s)

IterNodesCost
076757
1158750
2404664
31322651
done5000642

prune213.0ms

Pruning

8 alts after pruning (4 fresh and 4 done)

Merged error: 0.0b

regimes287.0ms

Accuracy

84.5% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 3.0b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01855
12346
done2346

end0.0ms

sample508.0ms

Algorithm
intervals
Results
260.0ms8722×body80valid
0.0msbody640valid