Details

Time bar (total: 11.7s)

sample20.0ms

Algorithm
intervals
Results
8.0ms280×body80valid

simplify933.0ms

Counts
1 → 1
Iterations

Useful iterations: 3 (9.0ms)

IterNodesCost
01011
11711
23211
35910
410110
515410
620410
724010
828310
936910
1048410
1155810
1265210
1369210
done69210

prune7.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 2 expressions with local error:

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

rewrite7.0ms

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:
5.0ms
(/ y (- a t))
0.0ms
(fma (/ y (- a t)) (- z t) x)

series217.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ y (- a t))
186.0ms
(fma (/ y (- a t)) (- z t) x)

simplify1.3s

Counts
55 → 55
Iterations

Useful iterations: 4 (655.0ms)

IterNodesCost
092550
1167533
2347493
3756491
41993490
done5000490

prune166.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

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:
0.0ms
(cbrt y)
0.0ms
(cbrt y)
1.0ms
(cbrt y)
0.0ms
(fma (* (* (cbrt y) (cbrt y)) (/ (cbrt y) (- a t))) (- z t) x)

series776.0ms

Counts
4 → 12
Calls
4 calls:
185.0ms
(cbrt y)
181.0ms
(cbrt y)
184.0ms
(cbrt y)
226.0ms
(fma (* (* (cbrt y) (cbrt y)) (/ (cbrt y) (- a t))) (- z t) x)

simplify2.3s

Counts
61 → 61
Iterations

Useful iterations: 3 (72.0ms)

IterNodesCost
049462
184450
2193354
3651310
43994310
done5000310

prune203.0ms

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))
20.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
0.0ms
(fma (/ (/ y (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (- z t) x)

series641.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(cbrt (- a t))
156.0ms
(cbrt (- a t))
139.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
186.0ms
(fma (/ (/ y (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (- z t) x)

simplify1.3s

Counts
114 → 114
Iterations

Useful iterations: 3 (473.0ms)

IterNodesCost
01561539
13061443
27641251
321471127
done50011127

prune378.0ms

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:
654.0ms
(cbrt (fma (/ y (- a t)) (- z t) x))
190.0ms
(fma (/ y (- a t)) (- z t) x)
191.0ms
(fma (/ y (- a t)) (- z t) x)
189.0ms
(fma (/ y (- a t)) (- z t) x)

simplify1.1s

Counts
55 → 55
Iterations

Useful iterations: done (1.1s)

IterNodesCost
076757
1158750
2404664
31322651
done5000642

prune205.0ms

Pruning

8 alts after pruning (4 fresh and 4 done)

Merged error: 0.0b

regimes292.0ms

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

sample522.0ms

Algorithm
intervals
Results
263.0ms8722×body80valid
0.0msbody640valid