Details

Time bar (total: 8.9s)

sample17.0ms

Algorithm
intervals
Results
7.0ms272×body80valid

simplify1.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
1149
2309
3639
41249
52049
63279
75119
87549
99889
109959
done9959

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.6b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (- y z) (- t z))
7.6b
(/ x (* (- y z) (- t z)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt flip3-- flip--
10×*-un-lft-identity
add-exp-log add-cbrt-cube
frac-times associate-/r/
add-cube-cbrt
associate-*r* associate-*l*
pow1 associate-*r/ associate-*l/
times-frac associate-/l*
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp cbrt-unprod distribute-lft-out-- add-log-exp difference-of-squares
frac-2neg pow-prod-down clear-num associate-/r* *-commutative div-inv unswap-sqr
Counts
2 → 63
Calls
2 calls:
17.0ms
(* (- y z) (- t z))
8.0ms
(/ x (* (- y z) (- t z)))

series155.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(* (- y z) (- t z))
121.0ms
(/ x (* (- y z) (- t z)))

simplify450.0ms

Counts
69 → 69
Iterations

Useful iterations: 2 (91.0ms)

IterNodesCost
0124860
1300844
21221756
done5001756

prune157.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)
0.9b
(* (/ (* (cbrt x) (cbrt x)) (- y z)) (/ (cbrt x) (- t z)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
56×add-sqr-sqrt
42×times-frac
40×*-un-lft-identity
36×associate-*r*
26×cbrt-prod add-cube-cbrt
25×add-exp-log
18×add-cbrt-cube
11×associate-*l*
prod-exp cbrt-unprod
cbrt-undiv div-exp distribute-lft-out-- difference-of-squares
pow1 unswap-sqr
associate-/r/ add-log-exp
pow1/3
flip3-- flip-- div-inv
frac-times associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 110
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
0.0ms
(cbrt x)
41.0ms
(* (/ (* (cbrt x) (cbrt x)) (- y z)) (/ (cbrt x) (- t z)))

series683.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(cbrt x)
186.0ms
(cbrt x)
174.0ms
(cbrt x)
144.0ms
(* (/ (* (cbrt x) (cbrt x)) (- y z)) (/ (cbrt x) (- t z)))

simplify682.0ms

Counts
122 → 122
Iterations

Useful iterations: 2 (210.0ms)

IterNodesCost
01801821
15351741
221201345
done50011345

prune343.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (- y z))
2.1b
(/ (/ x (- y z)) (- t z))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
210×times-frac
176×add-sqr-sqrt *-un-lft-identity
88×add-cube-cbrt
44×distribute-lft-out-- difference-of-squares
24×associate-/l*
16×associate-/r/
10×associate-/r*
add-exp-log add-cbrt-cube
flip3-- flip-- div-inv
cbrt-undiv div-exp
pow1 frac-2neg clear-num add-log-exp
associate-/l/
Counts
2 → 185
Calls
2 calls:
5.0ms
(/ x (- y z))
16.0ms
(/ (/ x (- y z)) (- t z))

series151.0ms

Counts
2 → 6
Calls
2 calls:
28.0ms
(/ x (- y z))
123.0ms
(/ (/ x (- y z)) (- t z))

simplify863.0ms

Counts
191 → 191
Iterations

Useful iterations: 2 (276.0ms)

IterNodesCost
02643352
16373172
220493096
done50003096

prune421.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y z) x)
0.2b
(/ 1 (/ (- y z) x))
2.1b
(/ (/ 1 (/ (- y z) x)) (- t z))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
1054×times-frac
680×add-sqr-sqrt *-un-lft-identity
414×add-cube-cbrt
133×distribute-lft-out-- difference-of-squares
70×associate-/l*
35×add-exp-log
31×div-inv
27×associate-/r*
22×div-exp
19×add-cbrt-cube
10×cbrt-undiv
associate-/r/
pow1 rec-exp 1-exp
frac-2neg clear-num associate-/l/ add-log-exp
flip3-- flip--
pow-flip div-sub inv-pow
Counts
3 → 538
Calls
3 calls:
7.0ms
(/ (- y z) x)
9.0ms
(/ 1 (/ (- y z) x))
34.0ms
(/ (/ 1 (/ (- y z) x)) (- t z))

series306.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(/ (- y z) x)
67.0ms
(/ 1 (/ (- y z) x))
212.0ms
(/ (/ 1 (/ (- y z) x)) (- t z))

simplify1.8s

Counts
547 → 547
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
066912152
1176410302
243819278
done50019278

prune666.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes169.0ms

Accuracy

11.7% (2.2b remaining)

Error of 2.3b against oracle of 0.0b and baseline of 2.6b

bsearch77.0ms

Steps
ItersRangePoint
8
1.3542269813719534e-125
1.8136824079598192e-122
1.5692981510658075e-125
9
5.608873078538286e-259
9.226920354819254e-253
4.0510841144545337e-255

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02445
12843
done2843

end0.0ms

sample439.0ms

Algorithm
intervals
Results
225.0ms8452×body80valid