Details

Time bar (total: 19.1s)

sample37.0ms

Algorithm
intervals
Results
11.0ms253×body80valid
2.0msbody1280valid
2.0ms14×body640valid
1.0msbody320valid
0.0msbody2560valid
0.0msbody160valid

simplify2.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
011245
120245
245245
3111245
4292245
5879245
63465245
done5000245

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.9b

localize36.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
1.8b
(+ x (/ (* (- y x) (- z t)) (- a t)))
15.9b
(/ (* (- y x) (- z t)) (- a t))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-cbrt-cube add-exp-log
frac-times associate-/l/
add-cube-cbrt
pow1 associate-/r* times-frac associate-*r* associate-*l* add-log-exp
associate-*l/ associate-*r/ distribute-lft-out-- difference-of-squares
distribute-rgt-in cbrt-undiv sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative clear-num sum-log frac-2neg flip3-+ pow-prod-down *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
31.0ms
(* (- y x) (- z t))
27.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
31.0ms
(/ (* (- y x) (- z t)) (- a t))

series490.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(* (- y x) (- z t))
264.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
164.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.7s

Counts
90 → 90
Iterations

Useful iterations: 2 (646.0ms)

IterNodesCost
016225515
148022392
2265421992
done500022072

prune686.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.8b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.8b
(+ x (* (- y x) (/ (- z t) (- a t))))
1.9b
(* (- y x) (/ (- z t) (- a t)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-cbrt-cube add-exp-log
pow1 associate-/r* flip3-- associate-*l* flip-- associate-/l* add-log-exp
associate-/r/
frac-times cbrt-undiv div-exp associate-*l/ prod-exp cbrt-unprod div-inv unswap-sqr associate-/l/
+-commutative clear-num sum-log frac-2neg flip3-+ div-sub pow-prod-down associate-*r/ *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
22.0ms
(/ (- z t) (- a t))
6.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
67.0ms
(* (- y x) (/ (- z t) (- a t)))

series587.0ms

Counts
3 → 9
Calls
3 calls:
87.0ms
(/ (- z t) (- a t))
305.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
195.0ms
(* (- y x) (/ (- z t) (- a t)))

simplify2.3s

Counts
128 → 128
Iterations

Useful iterations: 2 (719.0ms)

IterNodesCost
018336295
150333341
2263332775
done500132775

prune800.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.8b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
1.8b
(+ x (/ (- y x) (/ (- a t) (- z t))))
2.1b
(/ (- y x) (/ (- a t) (- z t)))

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
323×*-un-lft-identity
321×add-sqr-sqrt
113×add-cube-cbrt
104×distribute-lft-out-- difference-of-squares
36×associate-/r*
15×associate-/r/
10×add-cbrt-cube add-exp-log associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
clear-num frac-2neg
+-commutative associate-+r- sum-log flip3-+ flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
28.0ms
(/ (- a t) (- z t))
83.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
32.0ms
(/ (- y x) (/ (- a t) (- z t)))

series638.0ms

Counts
3 → 9
Calls
3 calls:
74.0ms
(/ (- a t) (- z t))
236.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
328.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify1.1s

Counts
283 → 283
Iterations

Useful iterations: done (1.1s)

IterNodesCost
0354130065
11154121883
done5000119516

prune1.5s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ a (- z t))
0.0b
(/ t (- z t))
1.8b
(+ x (/ (- y x) (- (/ a (- z t)) (/ t (- z t)))))
2.1b
(/ (- y x) (- (/ a (- z t)) (/ t (- z t))))

rewrite460.0ms

Algorithm
rewrite-expression-head
Rules
273×*-un-lft-identity
228×times-frac
211×add-sqr-sqrt
99×distribute-lft-out--
63×difference-of-squares
61×add-cube-cbrt
32×associate-/r/
28×associate-/r*
18×distribute-rgt-out--
16×flip3-- flip--
15×div-inv
11×associate-/l*
10×add-cbrt-cube add-exp-log
add-log-exp
pow1
cbrt-undiv clear-num frac-2neg div-exp
div-sub associate-/l/
+-commutative associate-+r- sum-log flip3-+ frac-sub flip-+ distribute-lft-out sub-div
Counts
4 → 219
Calls
4 calls:
9.0ms
(/ a (- z t))
10.0ms
(/ t (- z t))
269.0ms
(+ x (/ (- y x) (- (/ a (- z t)) (/ t (- z t)))))
160.0ms
(/ (- y x) (- (/ a (- z t)) (/ t (- z t))))

series481.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ a (- z t))
50.0ms
(/ t (- z t))
213.0ms
(+ x (/ (- y x) (- (/ a (- z t)) (/ t (- z t)))))
172.0ms
(/ (- y x) (- (/ a (- z t)) (/ t (- z t))))

simplify1.9s

Counts
231 → 231
Iterations

Useful iterations: 2 (877.0ms)

IterNodesCost
033288863
181682070
2326281174
done500081174

prune1.5s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.8b

regimes783.0ms

Accuracy

44.1% (4.0b remaining)

Error of 8.3b against oracle of 4.4b and baseline of 11.5b

bsearch3.0ms

simplify16.0ms

Iterations

Useful iterations: 0 (7.0ms)

IterNodesCost
0341148
1451148
done451148

end0.0ms

sample1.7s

Algorithm
intervals
Results
893.0ms7915×body80valid
159.0ms274×body1280valid
94.0ms450×body640valid
66.0ms433×body320valid
48.0ms222×body160valid
5.0ms15×body2560valid