Details

Time bar (total: 27.5s)

sample38.0ms

Algorithm
intervals
Results
11.0ms249×body80valid
3.0ms19×body640valid
2.0ms15×body320valid
2.0ms10×body1280valid
1.0msbody160valid
0.0msbody2560valid

simplify13.9s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
12013
24513
311113
428813
563113
6119513
7205913
8290313
9342613
10386113
11415813
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.7b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y z) (- t x))
2.8b
(+ x (/ (* (- y z) (- t x)) (- a z)))
16.7b
(/ (* (- y z) (- t x)) (- a z))

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-exp-log add-cbrt-cube
frac-times associate-/l/
add-cube-cbrt
pow1 times-frac associate-*r* associate-*l* associate-/r* add-log-exp
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
46.0ms
(* (- y z) (- t x))
21.0ms
(+ x (/ (* (- y z) (- t x)) (- a z)))
49.0ms
(/ (* (- y z) (- t x)) (- a z))

series390.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(* (- y z) (- t x))
181.0ms
(+ x (/ (* (- y z) (- t x)) (- a z)))
160.0ms
(/ (* (- y z) (- t x)) (- a z))

simplify1.2s

Counts
90 → 90
Iterations

Useful iterations: 2 (329.0ms)

IterNodesCost
01621284
14661213
219861111
done50001111

prune416.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.3b

localize35.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a z))
0.5b
(* (cbrt (- a z)) (cbrt (- a z)))
1.4b
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
7.6b
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

rewrite284.0ms

Algorithm
rewrite-expression-head
Rules
96×add-sqr-sqrt
78×*-un-lft-identity
60×cbrt-prod
54×associate-*r*
52×times-frac
34×add-cube-cbrt
28×cbrt-div
27×add-exp-log
25×associate-*l*
21×distribute-lft-out--
19×difference-of-squares
18×add-cbrt-cube
14×flip3-- flip--
13×pow1
10×swap-sqr associate-/r/ unswap-sqr
frac-times prod-exp cbrt-unprod
cbrt-undiv pow1/3 div-exp
add-log-exp
associate-*r/ associate-*l/
pow-prod-down
pow-sqr *-commutative pow-prod-up div-inv
+-commutative pow2 flip3-+ pow-plus sum-log flip-+
Counts
4 → 175
Calls
4 calls:
8.0ms
(cbrt (- a z))
45.0ms
(* (cbrt (- a z)) (cbrt (- a z)))
192.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
15.0ms
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

series1.1s

Counts
4 → 12
Calls
4 calls:
255.0ms
(cbrt (- a z))
180.0ms
(* (cbrt (- a z)) (cbrt (- a z)))
447.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
208.0ms
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

simplify2.0s

Counts
187 → 187
Iterations

Useful iterations: done (2.0s)

IterNodesCost
03074004
18213733
233153184
done50013016

prune759.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.3b

localize64.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- t x))
0.6b
(cbrt (- t x))
0.6b
(cbrt (* (cbrt (- a z)) (cbrt (- a z))))
10.8b
(+ x (* (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (* (cbrt (- t x)) (cbrt (- t x))) (cbrt (* (cbrt (- a z)) (cbrt (- a z)))))) (/ (cbrt (- t x)) (cbrt (cbrt (- a z))))))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
24×cbrt-div
11×cbrt-prod
10×add-sqr-sqrt *-un-lft-identity
flip3-- flip--
add-cube-cbrt add-log-exp
pow1 add-exp-log frac-times add-cbrt-cube
pow1/3
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
+-commutative flip3-+ sum-log flip-+
Counts
4 → 58
Calls
4 calls:
5.0ms
(cbrt (- t x))
4.0ms
(cbrt (- t x))
23.0ms
(cbrt (* (cbrt (- a z)) (cbrt (- a z))))
17.0ms
(+ x (* (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (* (cbrt (- t x)) (cbrt (- t x))) (cbrt (* (cbrt (- a z)) (cbrt (- a z)))))) (/ (cbrt (- t x)) (cbrt (cbrt (- a z))))))

series856.0ms

Counts
4 → 12
Calls
4 calls:
210.0ms
(cbrt (- t x))
204.0ms
(cbrt (- t x))
208.0ms
(cbrt (* (cbrt (- a z)) (cbrt (- a z))))
235.0ms
(+ x (* (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (* (cbrt (- t x)) (cbrt (- t x))) (cbrt (* (cbrt (- a z)) (cbrt (- a z)))))) (/ (cbrt (- t x)) (cbrt (cbrt (- a z))))))

simplify922.0ms

Counts
70 → 70
Iterations

Useful iterations: done (919.0ms)

IterNodesCost
01791659
13911592
210381462
done50001268

prune613.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 2.4b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t x) (- a z))
3.5b
(+ x (* (- y z) (/ (- t x) (- a z))))
4.8b
(* (- y z) (/ (- t x) (- a z)))

rewrite116.0ms

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:
21.0ms
(/ (- t x) (- a z))
8.0ms
(+ x (* (- y z) (/ (- t x) (- a z))))
74.0ms
(* (- y z) (/ (- t x) (- a z)))

series461.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(/ (- t x) (- a z))
209.0ms
(+ x (* (- y z) (/ (- t x) (- a z))))
194.0ms
(* (- y z) (/ (- t x) (- a z)))

simplify1.3s

Counts
128 → 128
Iterations

Useful iterations: 2 (318.0ms)

IterNodesCost
01831813
14691704
217361606
done50001606

prune403.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 2.4b

regimes371.0ms

Accuracy

26.3% (6.6b remaining)

Error of 10.1b against oracle of 3.5b and baseline of 12.4b

bsearch170.0ms

Steps
ItersRangePoint
10
2.7753413219507016e+156
1.5853395761105443e+166
4.892583137041057e+158
9
-1.7910089691738227e+194
-1.8921491898552533e+186
-1.0577972736928619e+192

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
03177
13967
done3967

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.1s7808×body80valid
106.0ms482×body640valid
100.0ms414×body320valid
73.0ms270×body1280valid
31.0ms283×body160valid
8.0ms25×body2560valid