Details

Time bar (total: 14.6s)

sample50.0ms

Algorithm
intervals
Results
20.0ms276×body80valid

simplify333.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
01011
1199
2449
3829
41329
51799
62129
72309
82349
done2349

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 6.9b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
6.9b
(/ (* x 2.0) (* z (- y t)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
16×add-exp-log add-cbrt-cube
add-sqr-sqrt
*-un-lft-identity
associate-*r* prod-exp cbrt-unprod
pow1 cbrt-undiv add-cube-cbrt associate-*r/ div-exp
associate-*l*
distribute-rgt-in sub-neg flip3-- distribute-lft-in associate-/r/ flip-- add-log-exp
frac-2neg times-frac pow-prod-down clear-num associate-/r* *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 49
Calls
2 calls:
31.0ms
(* z (- y t))
22.0ms
(/ (* x 2.0) (* z (- y t)))

series111.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(* z (- y t))
60.0ms
(/ (* x 2.0) (* z (- y t)))

simplify852.0ms

Counts
55 → 55
Iterations

Useful iterations: done (850.0ms)

IterNodesCost
093556
1260543
21413437
done5002427

prune318.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 1 expressions with local error:

4.8b
(/ (/ (* x 2.0) z) (- y t))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
53×times-frac
37×add-sqr-sqrt *-un-lft-identity
21×add-cube-cbrt
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
div-inv associate-/l*
cbrt-undiv div-exp associate-/r*
associate-/r/
pow1 flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod associate-/l/ add-log-exp
Counts
1 → 66
Calls
1 calls:
40.0ms
(/ (/ (* x 2.0) z) (- y t))

series88.0ms

Counts
1 → 3
Calls
1 calls:
88.0ms
(/ (/ (* x 2.0) z) (- y t))

simplify1.0s

Counts
69 → 69
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01451073
13831025
21862961
done5000957

prune352.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y t))
0.6b
(cbrt (- y t))
0.6b
(cbrt (- y t))
2.7b
(* (/ x (* (cbrt (- y t)) (cbrt (- y t)))) (/ (/ 2.0 z) (cbrt (- y t))))

rewrite278.0ms

Algorithm
rewrite-expression-head
Rules
196×times-frac
156×add-sqr-sqrt
124×*-un-lft-identity
110×associate-*r*
92×add-cube-cbrt
84×cbrt-prod
40×add-exp-log
28×add-cbrt-cube
20×cbrt-div
16×distribute-lft-out-- difference-of-squares
15×cbrt-undiv div-exp associate-*l*
12×prod-exp cbrt-unprod
10×flip3-- associate-/r/ flip-- div-inv unswap-sqr
pow1
frac-times
add-log-exp
pow1/3 associate-*r/ associate-*l/
pow-prod-down *-commutative
Counts
4 → 210
Calls
4 calls:
4.0ms
(cbrt (- y t))
4.0ms
(cbrt (- y t))
6.0ms
(cbrt (- y t))
236.0ms
(* (/ x (* (cbrt (- y t)) (cbrt (- y t)))) (/ (/ 2.0 z) (cbrt (- y t))))

series758.0ms

Counts
4 → 12
Calls
4 calls:
245.0ms
(cbrt (- y t))
214.0ms
(cbrt (- y t))
196.0ms
(cbrt (- y t))
103.0ms
(* (/ x (* (cbrt (- y t)) (cbrt (- y t)))) (/ (/ 2.0 z) (cbrt (- y t))))

simplify718.0ms

Counts
222 → 222
Iterations

Useful iterations: done (711.0ms)

IterNodesCost
03824794
113164567
done50004231

prune1.2s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (/ 2.0 z))
0.6b
(cbrt (/ 2.0 z))
0.6b
(cbrt (/ 2.0 z))
2.9b
(* (/ (/ x (cbrt (- y t))) (cbrt (- y t))) (* (cbrt (/ 2.0 z)) (cbrt (/ 2.0 z))))

rewrite267.0ms

Algorithm
rewrite-expression-head
Rules
469×times-frac
331×add-sqr-sqrt
314×cbrt-prod *-un-lft-identity
246×associate-*l*
206×add-cube-cbrt
54×distribute-lft-out-- difference-of-squares
29×cbrt-div
25×add-exp-log
18×associate-/r/
13×add-cbrt-cube
12×div-inv
pow1 flip3-- prod-exp flip-- cbrt-unprod
unswap-sqr
cbrt-undiv div-exp
frac-times associate-*r/
add-log-exp
pow1/3 pow-prod-down associate-*l/
associate-*r* *-commutative
Counts
4 → 349
Calls
4 calls:
3.0ms
(cbrt (/ 2.0 z))
2.0ms
(cbrt (/ 2.0 z))
2.0ms
(cbrt (/ 2.0 z))
217.0ms
(* (/ (/ x (cbrt (- y t))) (cbrt (- y t))) (* (cbrt (/ 2.0 z)) (cbrt (/ 2.0 z))))

series1.3s

Counts
4 → 12
Calls
4 calls:
330.0ms
(cbrt (/ 2.0 z))
338.0ms
(cbrt (/ 2.0 z))
312.0ms
(cbrt (/ 2.0 z))
357.0ms
(* (/ (/ x (cbrt (- y t))) (cbrt (- y t))) (* (cbrt (/ 2.0 z)) (cbrt (/ 2.0 z))))

simplify2.1s

Counts
361 → 361
Iterations

Useful iterations: done (2.1s)

IterNodesCost
04167509
112087410
243117140
done50007054

prune2.3s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0b

regimes508.0ms

Accuracy

34.2% (2.6b remaining)

Error of 2.7b against oracle of 0.0b and baseline of 4.0b

bsearch148.0ms

Steps
ItersRangePoint
11
8.375463895322616e+20
4.0768115069989146e+42
1.6365850306645365e+21
8
-1.0218937639515915e+104
-6.003682551293429e+100
-2.032242565828042e+101

simplify25.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02649
13349
23749
33849
done3849

end0.0ms

sample1.6s

Algorithm
intervals
Results
608.0ms8707×body80valid