Details

Time bar (total: 14.2s)

sample33.0ms

Algorithm
intervals
Results
14.0ms273×body80valid

simplify228.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
010205
120165
244165
380165
4123165
5169165
6201165
7230165
8241165
done241165

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 4.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
4.1b
(/ (* x 2.0) (* z (- y t)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
18×*-un-lft-identity prod-diff
16×add-cbrt-cube add-exp-log add-cube-cbrt
11×distribute-rgt-in distribute-lft-in
associate-*r* prod-exp cbrt-unprod
pow1 cbrt-undiv div-exp associate-*r/
associate-*l*
expm1-log1p-u sub-neg flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp
clear-num associate-/r* frac-2neg times-frac pow-prod-down *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 71
Calls
2 calls:
23.0ms
(* z (- y t))
12.0ms
(/ (* x 2.0) (* z (- y t)))

series116.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(* z (- y t))
64.0ms
(/ (* x 2.0) (* z (- y t)))

simplify1.4s

Counts
77 → 77
Iterations

Useful iterations: done (1.4s)

IterNodesCost
014520967
135718109
2141214225
done503313825

prune254.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (- y t))
0.4b
(/ 1 (/ (* z (- y t)) (* x 2.0)))
3.9b
(/ (* z (- y t)) (* x 2.0))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
61×add-exp-log
35×add-cbrt-cube
31×add-sqr-sqrt
29×*-un-lft-identity
27×add-cube-cbrt
26×div-exp
20×times-frac
18×prod-diff
17×prod-exp
13×cbrt-undiv
11×distribute-rgt-in distribute-lft-in
cbrt-unprod
pow1 associate-/r* div-inv
rec-exp 1-exp associate-*r*
associate-*r/ associate-/l*
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
clear-num sub-neg frac-2neg flip3-- flip-- associate-/l/
pow-prod-down associate-/r/ *-commutative pow-flip distribute-lft-out-- inv-pow difference-of-squares unswap-sqr
Counts
3 → 129
Calls
3 calls:
21.0ms
(* z (- y t))
19.0ms
(/ 1 (/ (* z (- y t)) (* x 2.0)))
19.0ms
(/ (* z (- y t)) (* x 2.0))

series214.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(* z (- y t))
105.0ms
(/ 1 (/ (* z (- y t)) (* x 2.0)))
70.0ms
(/ (* z (- y t)) (* x 2.0))

simplify2.1s

Counts
138 → 138
Iterations

Useful iterations: done (2.1s)

IterNodesCost
022341744
154434354
2202130150
done517829190

prune428.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (- y t))
0.6b
(/ 1 (* z (- y t)))
3.8b
(/ (/ 1 (* z (- y t))) (/ 1 (* x 2.0)))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
184×add-exp-log
120×times-frac
109×div-exp
59×add-sqr-sqrt
57×*-un-lft-identity
55×add-cube-cbrt
46×add-cbrt-cube prod-exp
30×rec-exp 1-exp
23×cbrt-undiv
20×associate-*r/ div-inv
19×associate-/r/
18×prod-diff
12×associate-/l*
11×distribute-rgt-in distribute-lft-in
10×flip3-- flip--
pow1 associate-/r* cbrt-unprod
associate-*r*
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
clear-num sub-neg frac-2neg pow-prod-down pow-flip
*-commutative distribute-lft-out-- inv-pow difference-of-squares unswap-sqr associate-/l/
Counts
3 → 229
Calls
3 calls:
18.0ms
(* z (- y t))
15.0ms
(/ 1 (* z (- y t)))
49.0ms
(/ (/ 1 (* z (- y t))) (/ 1 (* x 2.0)))

series236.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(* z (- y t))
51.0ms
(/ 1 (* z (- y t)))
120.0ms
(/ (/ 1 (* z (- y t))) (/ 1 (* x 2.0)))

simplify2.9s

Counts
238 → 238
Iterations

Useful iterations: done (2.8s)

IterNodesCost
035891890
195471341
2249961966
done500561320

prune835.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize78.0ms

Local error

Found 4 expressions with local error:

3.9b
(/ (* z (- y t)) (* x 2.0))
19.5b
(cbrt (/ (* z (- y t)) (* x 2.0)))
19.5b
(cbrt (/ (* z (- y t)) (* x 2.0)))
19.5b
(cbrt (/ (* z (- y t)) (* x 2.0)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
16×add-cbrt-cube add-exp-log
15×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 cbrt-undiv times-frac div-exp prod-exp cbrt-unprod log1p-expm1-u div-inv add-log-exp
cbrt-div pow1/3
associate-*r/ associate-/l/
clear-num associate-/r* frac-2neg flip3-- flip-- associate-/l*
Counts
4 → 73
Calls
4 calls:
25.0ms
(/ (* z (- y t)) (* x 2.0))
19.0ms
(cbrt (/ (* z (- y t)) (* x 2.0)))
13.0ms
(cbrt (/ (* z (- y t)) (* x 2.0)))
14.0ms
(cbrt (/ (* z (- y t)) (* x 2.0)))

series768.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(/ (* z (- y t)) (* x 2.0))
226.0ms
(cbrt (/ (* z (- y t)) (* x 2.0)))
234.0ms
(cbrt (/ (* z (- y t)) (* x 2.0)))
206.0ms
(cbrt (/ (* z (- y t)) (* x 2.0)))

simplify2.0s

Counts
85 → 85
Iterations

Useful iterations: done (2.0s)

IterNodesCost
012329509
131128521
2124827551
done500026951

prune598.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

regimes733.0ms

Accuracy

48.2% (2.9b remaining)

Error of 2.9b against oracle of 0.0b and baseline of 5.5b

bsearch2.0ms

simplify10.0ms

Iterations

Useful iterations: 0 (4.0ms)

IterNodesCost
027879
134879
done34879

end0.0ms

sample910.0ms

Algorithm
intervals
Results
522.0ms8735×body80valid