Details

Time bar (total: 19.9s)

sample50.0ms

Algorithm
intervals
Results
20.0ms283×body80valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (13.0ms)

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

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.6b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.5b
(fma (/ (- z t) (- z a)) y x)

rewrite49.0ms

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:
44.0ms
(/ (- z t) (- z a))
1.0ms
(fma (/ (- z t) (- z a)) y x)

series207.0ms

Counts
2 → 6
Calls
2 calls:
82.0ms
(/ (- z t) (- z a))
124.0ms
(fma (/ (- z t) (- z a)) y x)

simplify3.5s

Counts
70 → 70
Iterations

Useful iterations: 4 (2.1s)

IterNodesCost
0113884
1261856
2628808
31605808
44736806
done5000806

prune353.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 1.2b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) (- z t))
0.4b
(/ 1 (/ (- z a) (- z t)))
1.5b
(fma (/ 1 (/ (- z a) (- z t))) y x)

rewrite89.0ms

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:
27.0ms
(/ (- z a) (- z t))
47.0ms
(/ 1 (/ (- z a) (- z t)))
1.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

series415.0ms

Counts
3 → 9
Calls
3 calls:
73.0ms
(/ (- z a) (- z t))
178.0ms
(/ 1 (/ (- z a) (- z t)))
164.0ms
(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

prune587.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 1.2b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.0b
(/ 1 (- z a))
0.2b
(/ (/ 1 (- z a)) (/ 1 (- z t)))
1.5b
(fma (/ (/ 1 (- z a)) (/ 1 (- z t))) y x)

rewrite216.0ms

Algorithm
rewrite-expression-head
Rules
1131×times-frac
700×add-sqr-sqrt *-un-lft-identity
420×add-cube-cbrt
140×distribute-lft-out-- difference-of-squares
93×associate-/r/
52×add-exp-log
47×div-inv
46×flip3-- flip--
36×div-exp
31×associate-/r*
27×associate-/l*
20×add-cbrt-cube
10×cbrt-undiv rec-exp 1-exp
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg clear-num
pow-flip inv-pow
fma-udef associate-/l/
Counts
4 → 613
Calls
4 calls:
27.0ms
(/ 1 (- z t))
36.0ms
(/ 1 (- z a))
69.0ms
(/ (/ 1 (- z a)) (/ 1 (- z t)))
1.0ms
(fma (/ (/ 1 (- z a)) (/ 1 (- z t))) y x)

series417.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ 1 (- z t))
62.0ms
(/ 1 (- z a))
149.0ms
(/ (/ 1 (- z a)) (/ 1 (- z t)))
151.0ms
(fma (/ (/ 1 (- z a)) (/ 1 (- z t))) y x)

simplify2.7s

Counts
625 → 625
Iterations

Useful iterations: 2 (1.6s)

IterNodesCost
074615038
1206211196
238009962
done50009962

prune1.1s

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 1.2b

localize19.0ms

Local error

Found 4 expressions with local error:

1.5b
(fma (* (/ (/ 1 (cbrt (/ (- z a) (- z t)))) (cbrt (/ (- z a) (- z t)))) (/ 1 (cbrt (/ (- z a) (- z t))))) y x)
4.7b
(cbrt (/ (- z a) (- z t)))
4.7b
(cbrt (/ (- z a) (- z t)))
4.7b
(cbrt (/ (- z a) (- z t)))

rewrite46.0ms

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 (* (/ (/ 1 (cbrt (/ (- z a) (- z t)))) (cbrt (/ (- z a) (- z t)))) (/ 1 (cbrt (/ (- z a) (- z t))))) y x)
10.0ms
(cbrt (/ (- z a) (- z t)))
18.0ms
(cbrt (/ (- z a) (- z t)))
11.0ms
(cbrt (/ (- z a) (- z t)))

series799.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(fma (* (/ (/ 1 (cbrt (/ (- z a) (- z t)))) (cbrt (/ (- z a) (- z t)))) (/ 1 (cbrt (/ (- z a) (- z t))))) y x)
213.0ms
(cbrt (/ (- z a) (- z t)))
226.0ms
(cbrt (/ (- z a) (- z t)))
217.0ms
(cbrt (/ (- z a) (- z t)))

simplify2.1s

Counts
148 → 148
Iterations

Useful iterations: 4 (841.0ms)

IterNodesCost
01392622
12482538
24502402
38212181
420112160
done50002160

prune845.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 1.2b

regimes306.0ms

Accuracy

0% (0.7b remaining)

Error of 1.4b against oracle of 0.6b and baseline of 1.4b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11111
done1111

end0.0ms

sample1.5s

Algorithm
intervals
Results
440.0ms8691×body80valid
0.0msbody320valid
0.0msbody1280valid