Details

Time bar (total: 19.2s)

sample39.0ms

Algorithm
intervals
Results
18.0ms272×body80valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01011
12111
23710
36010
410310
516310
621410
724110
828010
932110
1040610
1150410
1257210
1363610
1466410
done66410

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 2.6b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
2.4b
(fma (/ (- z t) (- z a)) y x)

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
46.0ms
(/ (- z t) (- z a))
1.0ms
(fma (/ (- z t) (- z a)) y x)

series231.0ms

Counts
2 → 6
Calls
2 calls:
70.0ms
(/ (- z t) (- z a))
161.0ms
(fma (/ (- z t) (- z a)) y x)

simplify3.6s

Counts
70 → 70
Iterations

Useful iterations: 4 (2.2s)

IterNodesCost
0113884
1261856
2628808
31605808
44736806
done5000806

prune324.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 1.5b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) (- z t))
0.2b
(/ 1 (/ (- z a) (- z t)))
2.4b
(fma (/ 1 (/ (- z a) (- z t))) y x)

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- flip-- div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
pow-flip div-sub fma-udef inv-pow
Counts
3 → 214
Calls
3 calls:
58.0ms
(/ (- z a) (- z t))
33.0ms
(/ 1 (/ (- z a) (- z t)))
1.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

series345.0ms

Counts
3 → 9
Calls
3 calls:
66.0ms
(/ (- z a) (- z t))
132.0ms
(/ 1 (/ (- z a) (- z t)))
147.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

simplify3.0s

Counts
223 → 223
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
02693744
16093232
213842913
337662837
done50002837

prune550.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 1.5b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- z a))
0.2b
(* (/ 1 (- z a)) (- z t))
2.4b
(fma (* (/ 1 (- z a)) (- z t)) y x)

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
52×*-un-lft-identity
35×add-cube-cbrt
32×times-frac
21×associate-*l*
18×prod-diff
16×add-exp-log
11×distribute-rgt-in distribute-lft-in
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*r* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times sub-neg rec-exp 1-exp associate-*r/ cbrt-unprod div-inv
pow-flip frac-2neg pow-prod-down associate-*l/ clear-num *-commutative fma-udef inv-pow
Counts
3 → 126
Calls
3 calls:
25.0ms
(/ 1 (- z a))
69.0ms
(* (/ 1 (- z a)) (- z t))
0.0ms
(fma (* (/ 1 (- z a)) (- z t)) y x)

series319.0ms

Counts
3 → 9
Calls
3 calls:
53.0ms
(/ 1 (- z a))
126.0ms
(* (/ 1 (- z a)) (- z t))
139.0ms
(fma (* (/ 1 (- z a)) (- z t)) y x)

simplify3.3s

Counts
135 → 135
Iterations

Useful iterations: done (3.3s)

IterNodesCost
02071927
14751548
211701282
336331240
done50021222

prune383.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 1.5b

localize19.0ms

Local error

Found 4 expressions with local error:

2.4b
(fma (* (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))) (cbrt (/ (- z t) (- z a)))) y x)
5.4b
(cbrt (/ (- z t) (- z a)))
5.4b
(cbrt (/ (- z t) (- z a)))
5.4b
(cbrt (/ (- z t) (- z a)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
97×add-sqr-sqrt *-un-lft-identity
93×cbrt-prod
75×times-frac
37×add-cube-cbrt
30×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 → 136
Calls
4 calls:
0.0ms
(fma (* (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))) (cbrt (/ (- z t) (- z a)))) y x)
10.0ms
(cbrt (/ (- z t) (- z a)))
11.0ms
(cbrt (/ (- z t) (- z a)))
22.0ms
(cbrt (/ (- z t) (- z a)))

series866.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(fma (* (* (cbrt (/ (- z t) (- z a))) (cbrt (/ (- z t) (- z a)))) (cbrt (/ (- z t) (- z a)))) y x)
259.0ms
(cbrt (/ (- z t) (- z a)))
249.0ms
(cbrt (/ (- z t) (- z a)))
187.0ms
(cbrt (/ (- z t) (- z a)))

simplify1.8s

Counts
148 → 148
Iterations

Useful iterations: 4 (698.0ms)

IterNodesCost
01362570
12392486
24172204
37492159
417762150
done50002150

prune772.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 1.5b

regimes353.0ms

Accuracy

0% (0.7b remaining)

Error of 1.4b against oracle of 0.7b and baseline of 1.4b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01112
11312
done1312

end0.0ms

sample1.5s

Algorithm
intervals
Results
421.0ms8722×body80valid
0.0msbody320valid