Details

Time bar (total: 21.2s)

sample30.0ms

Algorithm
intervals
Results
11.0ms287×body80valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 3 (13.0ms)

IterNodesCost
01011
11711
23211
36010
411110
515610
620610
725110
830110
938610
1048410
1155210
1261610
1364410
done64410

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- a t))
4.6b
(fma (/ y (- a t)) (- z t) x)

rewrite17.0ms

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:
14.0ms
(/ y (- a t))
1.0ms
(fma (/ y (- a t)) (- z t) x)

series344.0ms

Counts
2 → 6
Calls
2 calls:
63.0ms
(/ y (- a t))
281.0ms
(fma (/ y (- a t)) (- z t) x)

simplify2.5s

Counts
55 → 55
Iterations

Useful iterations: 4 (1.2s)

IterNodesCost
092550
1167533
2348493
3761491
42276490
done5000490

prune252.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

4.6b
(fma (* (* (cbrt (/ y (- a t))) (cbrt (/ y (- a t)))) (cbrt (/ y (- a t)))) (- z t) x)
14.1b
(cbrt (/ y (- a t)))
14.1b
(cbrt (/ y (- a t)))
14.1b
(cbrt (/ y (- a t)))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
63×cbrt-prod
49×add-sqr-sqrt *-un-lft-identity
45×times-frac
31×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r/
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 flip-- div-inv
fma-udef
Counts
4 → 106
Calls
4 calls:
0.0ms
(fma (* (* (cbrt (/ y (- a t))) (cbrt (/ y (- a t)))) (cbrt (/ y (- a t)))) (- z t) x)
8.0ms
(cbrt (/ y (- a t)))
16.0ms
(cbrt (/ y (- a t)))
14.0ms
(cbrt (/ y (- a t)))

series1.3s

Counts
4 → 12
Calls
4 calls:
360.0ms
(fma (* (* (cbrt (/ y (- a t))) (cbrt (/ y (- a t)))) (cbrt (/ y (- a t)))) (- z t) x)
275.0ms
(cbrt (/ y (- a t)))
295.0ms
(cbrt (/ y (- a t)))
334.0ms
(cbrt (/ y (- a t)))

simplify3.0s

Counts
118 → 118
Iterations

Useful iterations: done (3.0s)

IterNodesCost
01371733
12241673
24421452
310801396
432181357
done50001345

prune774.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
4.6b
(fma (* (/ (* (cbrt y) (cbrt y)) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (cbrt y) (cbrt (- a t)))) (- z t) x)

rewrite5.0ms

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

series1.4s

Counts
4 → 12
Calls
4 calls:
349.0ms
(cbrt y)
341.0ms
(cbrt y)
351.0ms
(cbrt y)
399.0ms
(fma (* (/ (* (cbrt y) (cbrt y)) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (cbrt y) (cbrt (- a t)))) (- z t) x)

simplify1.3s

Counts
61 → 61
Iterations

Useful iterations: done (1.3s)

IterNodesCost
052605
193593
2241365
31038343
done5000310

prune403.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (fma (/ y (- a t)) (- z t) x)) (cbrt (fma (/ y (- a t)) (- z t) x)))
4.6b
(fma (/ y (- a t)) (- z t) x)
4.6b
(fma (/ y (- a t)) (- z t) x)
4.6b
(fma (/ y (- a t)) (- z t) x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
16×cbrt-prod
12×add-cube-cbrt *-un-lft-identity
11×pow1
add-exp-log pow1/3 swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
fma-udef
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 72
Calls
4 calls:
24.0ms
(* (cbrt (fma (/ y (- a t)) (- z t) x)) (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)

series4.3s

Counts
4 → 12
Calls
4 calls:
3.3s
(* (cbrt (fma (/ y (- a t)) (- z t) x)) (cbrt (fma (/ y (- a t)) (- z t) x)))
291.0ms
(fma (/ y (- a t)) (- z t) x)
353.0ms
(fma (/ y (- a t)) (- z t) x)
346.0ms
(fma (/ y (- a t)) (- z t) x)

simplify1.6s

Counts
84 → 84
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01051734
12181603
25401449
314821213
done50001198

prune452.0ms

Pruning

9 alts after pruning (5 fresh and 4 done)

Merged error: 0.0b

regimes535.0ms

Accuracy

87.2% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 2.8b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01855
12346
done2346

end0.0ms

sample1.3s

Algorithm
intervals
Results
572.0ms8743×body80valid
0.0msbody1280valid