Details

Time bar (total: 16.8s)

sample25.0ms

Algorithm
intervals
Results
8.0ms250×body80valid
2.0ms14×body640valid
1.0ms15×body320valid
1.0msbody160valid
0.0msbody1280valid
0.0msbody2560valid

simplify8.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
12313
24313
311513
426313
556813
6100413
7171213
8306013
9379513
10399913
11445313
done500113

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.3b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t x) (- a z))
3.7b
(* (- y z) (/ (- t x) (- a z)))
4.3b
(+ x (* (- y z) (/ (- t x) (- a z))))

rewrite53.0ms

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-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
10.0ms
(/ (- t x) (- a z))
35.0ms
(* (- y z) (/ (- t x) (- a z)))
3.0ms
(+ x (* (- y z) (/ (- t x) (- a z))))

series336.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (- t x) (- a z))
128.0ms
(* (- y z) (/ (- t x) (- a z)))
156.0ms
(+ x (* (- y z) (/ (- t x) (- a z))))

simplify935.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (267.0ms)

IterNodesCost
01831813
14741704
216861606
done50001606

prune311.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.6b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
1.8b
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
6.2b
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
59×*-un-lft-identity
52×times-frac
46×associate-*r*
37×cbrt-prod
27×add-cube-cbrt
25×add-exp-log
18×cbrt-div add-cbrt-cube
17×associate-*l*
16×distribute-lft-out-- difference-of-squares
10×associate-/r/
flip3-- flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 add-log-exp unswap-sqr
frac-times
associate-*r/ associate-*l/
pow1/3 div-inv
+-commutative flip3-+ pow-prod-down sum-log *-commutative flip-+
Counts
4 → 134
Calls
4 calls:
2.0ms
(cbrt (- a z))
2.0ms
(cbrt (- a z))
77.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
3.0ms
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

series749.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(cbrt (- a z))
150.0ms
(cbrt (- a z))
296.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
154.0ms
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

simplify987.0ms

Counts
146 → 146
Iterations

Useful iterations: done (982.0ms)

IterNodesCost
02553364
17433180
228722663
done50012655

prune469.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.6b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a z))
0.3b
(* (- t x) (/ 1 (- a z)))
3.7b
(* (- y z) (* (- t x) (/ 1 (- a z))))
5.0b
(+ x (* (- y z) (* (- t x) (/ 1 (- a z)))))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
pow-prod-down associate-/r/ un-div-inv
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 146
Calls
4 calls:
5.0ms
(/ 1 (- a z))
23.0ms
(* (- t x) (/ 1 (- a z)))
35.0ms
(* (- y z) (* (- t x) (/ 1 (- a z))))
3.0ms
(+ x (* (- y z) (* (- t x) (/ 1 (- a z)))))

series370.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ 1 (- a z))
53.0ms
(* (- t x) (/ 1 (- a z)))
127.0ms
(* (- y z) (* (- t x) (/ 1 (- a z))))
155.0ms
(+ x (* (- y z) (* (- t x) (/ 1 (- a z)))))

simplify833.0ms

Counts
158 → 158
Iterations

Useful iterations: 2 (220.0ms)

IterNodesCost
02212286
15861896
220881716
done50001716

prune326.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 3.6b

localize13.0ms

Local error

Found 4 expressions with local error:

5.7b
(cbrt (/ (- t x) (- a z)))
5.7b
(cbrt (/ (- t x) (- a z)))
5.7b
(cbrt (/ (- t x) (- a z)))
8.4b
(+ x (* (- y z) (* (* (cbrt (/ (- t x) (- a z))) (cbrt (/ (- t x) (- a z)))) (cbrt (/ (- t x) (- a z))))))

rewrite28.0ms

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/ add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div flip3-- pow1/3 flip-- div-inv
+-commutative flip3-+ sum-log flip-+
Counts
4 → 131
Calls
4 calls:
5.0ms
(cbrt (/ (- t x) (- a z)))
5.0ms
(cbrt (/ (- t x) (- a z)))
5.0ms
(cbrt (/ (- t x) (- a z)))
3.0ms
(+ x (* (- y z) (* (* (cbrt (/ (- t x) (- a z))) (cbrt (/ (- t x) (- a z)))) (cbrt (/ (- t x) (- a z))))))

series602.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(cbrt (/ (- t x) (- a z)))
150.0ms
(cbrt (/ (- t x) (- a z)))
149.0ms
(cbrt (/ (- t x) (- a z)))
153.0ms
(+ x (* (- y z) (* (* (cbrt (/ (- t x) (- a z))) (cbrt (/ (- t x) (- a z)))) (cbrt (/ (- t x) (- a z))))))

simplify1.2s

Counts
143 → 143
Iterations

Useful iterations: 3 (384.0ms)

IterNodesCost
01832893
13882774
28832419
327752320
done50012320

prune465.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 2.1b

regimes288.0ms

Accuracy

52.2% (4.4b remaining)

Error of 7.6b against oracle of 3.2b and baseline of 12.4b

bsearch3.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02880
13480
done3480

end0.0ms

sample692.0ms

Algorithm
intervals
Results
269.0ms7794×body80valid
55.0ms460×body640valid
40.0ms435×body320valid
38.0ms255×body1280valid
17.0ms280×body160valid
3.0ms14×body2560valid