Details

Time bar (total: 17.6s)

sample29.0ms

Algorithm
intervals
Results
11.0ms352×body80valid

simplify3.0s

Counts
1 → 1
Iterations
IterNodes
done5001
133308
122041
111149
10682
9352
8198
7153
6134
5109
472
340
223
114
08

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.1b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* y (- z x)) t))
0.0b
(* y (- z x))
7.5b
(/ (* y (- z x)) t)

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
10×add-cbrt-cube add-exp-log
add-cube-cbrt
pow1 associate-*r* add-log-exp
associate-*r/
associate-/r* times-frac associate-*l*
distribute-rgt-in cbrt-undiv sub-neg distribute-lft-in flip3-- div-exp prod-exp cbrt-unprod flip-- associate-/l/
+-commutative clear-num sum-log frac-2neg flip3-+ pow-prod-down *-commutative flip-+ div-inv distribute-lft-out associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 61
Calls
3 calls:
10.0ms
(+ x (/ (* y (- z x)) t))
34.0ms
(* y (- z x))
26.0ms
(/ (* y (- z x)) t)

series173.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(+ x (/ (* y (- z x)) t))
56.0ms
(* y (- z x))
64.0ms
(/ (* y (- z x)) t)

simplify2.5s

Counts
70 → 70
Iterations
IterNodes
done5004
33908
2880
1304
0113

prune395.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* (/ y t) (- z x)))
6.7b
(* (/ y t) (- z x))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*l*
12×*-un-lft-identity
10×times-frac add-cube-cbrt
add-cbrt-cube add-exp-log
associate-*r*
distribute-rgt-in pow1 associate-+r+ sub-neg distribute-lft-in add-log-exp
frac-times flip3-- prod-exp associate-*r/ cbrt-unprod flip-- unswap-sqr
cbrt-undiv +-commutative sum-log flip3-+ div-exp pow-prod-down associate-*l/ *-commutative flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 57
Calls
2 calls:
16.0ms
(+ x (* (/ y t) (- z x)))
26.0ms
(* (/ y t) (- z x))

series129.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(+ x (* (/ y t) (- z x)))
63.0ms
(* (/ y t) (- z x))

simplify2.6s

Counts
63 → 63
Iterations
IterNodes
done5001
34444
21077
1323
0120

prune307.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.2b
(* (/ (cbrt y) t) (- z x))
3.2b
(* (/ (* (cbrt y) (cbrt y)) 1) (* (/ (cbrt y) t) (- z x)))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
66×add-exp-log
35×add-cbrt-cube
33×prod-exp
32×add-sqr-sqrt
29×associate-*l*
24×*-un-lft-identity
23×times-frac
22×add-cube-cbrt
20×cbrt-unprod
18×div-exp
16×cbrt-prod
11×frac-times pow1 associate-*r/
10×distribute-rgt-in cbrt-undiv distribute-lft-in
sub-neg flip3-- 1-exp associate-*r* flip--
pow-prod-down associate-*l/ add-log-exp
unswap-sqr
pow1/3 *-commutative div-inv
distribute-lft-out-- difference-of-squares
Counts
4 → 135
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
42.0ms
(* (/ (cbrt y) t) (- z x))
86.0ms
(* (/ (* (cbrt y) (cbrt y)) 1) (* (/ (cbrt y) t) (- z x)))

series917.0ms

Counts
4 → 12
Calls
4 calls:
261.0ms
(cbrt y)
311.0ms
(cbrt y)
229.0ms
(* (/ (cbrt y) t) (- z x))
115.0ms
(* (/ (* (cbrt y) (cbrt y)) 1) (* (/ (cbrt y) t) (- z x)))

simplify2.1s

Counts
147 → 147
Iterations
IterNodes
done5001
22330
1691
0224

prune844.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ y (/ t (- z x))))
0.0b
(/ t (- z x))
5.8b
(/ y (/ t (- z x)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
105×*-un-lft-identity
103×add-sqr-sqrt
71×add-cube-cbrt
26×associate-/r*
16×distribute-lft-out-- difference-of-squares
11×associate-/r/
10×add-cbrt-cube add-exp-log
div-inv associate-/l*
flip3-- flip-- add-log-exp
cbrt-undiv div-exp
pow1
clear-num frac-2neg
+-commutative sum-log flip3-+ flip-+ distribute-lft-out
Counts
3 → 151
Calls
3 calls:
47.0ms
(+ x (/ y (/ t (- z x))))
12.0ms
(/ t (- z x))
14.0ms
(/ y (/ t (- z x)))

series176.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(+ x (/ y (/ t (- z x))))
48.0ms
(/ t (- z x))
76.0ms
(/ y (/ t (- z x)))

simplify1.8s

Counts
160 → 160
Iterations
IterNodes
done5000
22149
1611
0242

prune890.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes387.0ms

Accuracy

35.4% (1.4b remaining)

Error of 1.4b against oracle of 0.0b and baseline of 2.1b

bsearch2.0ms

simplify4.0ms

Iterations
IterNodes
done25
125
020

end0.0ms

sample915.0ms

Algorithm
intervals
Results
469.0ms10721×body80valid