Details

Time bar (total: 39.8s)

sample19.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1119
2149
done149

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.8b

localize7.0ms

Local error

Found 1 expressions with local error:

8.8b
(/ (+ x y) (- 1.0 (/ y z)))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
29×times-frac
13×add-cube-cbrt
10×difference-of-squares
distribute-lft-out
associate-/r*
distribute-lft-out--
associate-/l*
add-exp-log add-cbrt-cube
associate-/r/ associate-/l/
pow1 cbrt-undiv flip3-- frac-2neg flip3-+ div-exp clear-num flip-- flip-+ div-inv add-log-exp
Counts
1 → 50
Calls
1 calls:
35.0ms
(/ (+ x y) (- 1.0 (/ y z)))

series60.0ms

Counts
1 → 3
Calls
1 calls:
59.0ms
(/ (+ x y) (- 1.0 (/ y z)))

simplify2.5s

Counts
53 → 53
Iterations

Useful iterations: 4 (1.2s)

IterNodesCost
095835
1204812
2547776
31371776
43954775
done5000775

prune113.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 6.9b

localize8.0ms

Local error

Found 2 expressions with local error:

1.0b
(/ 1 (- 1.0 (/ y z)))
7.6b
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
66×add-sqr-sqrt
45×times-frac
41×*-un-lft-identity
24×add-cube-cbrt associate-*r*
15×add-exp-log
14×difference-of-squares
add-cbrt-cube
distribute-lft-out--
associate-/r*
pow1
div-exp associate-*l* prod-exp associate-/r/
associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp flip3-- flip3-+ 1-exp associate-*l/ flip-- cbrt-unprod flip-+ div-inv add-log-exp
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative distribute-lft-out inv-pow
Counts
2 → 97
Calls
2 calls:
24.0ms
(/ 1 (- 1.0 (/ y z)))
72.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

series129.0ms

Counts
2 → 6
Calls
2 calls:
72.0ms
(/ 1 (- 1.0 (/ y z)))
58.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

simplify2.2s

Counts
103 → 103
Iterations

Useful iterations: 2 (193.0ms)

IterNodesCost
01431364
13371144
29751046
327941046
done50001046

prune241.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 6.9b

localize19.0ms

Local error

Found 4 expressions with local error:

7.6b
(* (+ x y) (/ (/ (/ 1 (cbrt (- 1.0 (/ y z)))) (cbrt (- 1.0 (/ y z)))) (cbrt (- 1.0 (/ y z)))))
9.1b
(cbrt (- 1.0 (/ y z)))
9.1b
(cbrt (- 1.0 (/ y z)))
9.1b
(cbrt (- 1.0 (/ y z)))

rewrite2.1s

Algorithm
rewrite-expression-head
Rules
8493×times-frac
6844×add-sqr-sqrt
5106×cbrt-prod
4216×*-un-lft-identity
2733×associate-*r*
2514×add-cube-cbrt
1692×difference-of-squares
846×distribute-lft-out--
188×cbrt-div
182×associate-/r/
94×flip3-- flip--
93×div-inv
26×add-exp-log
25×unswap-sqr
12×add-cbrt-cube
11×div-exp
pow1 cbrt-undiv prod-exp
associate-*l* cbrt-unprod add-log-exp
pow1/3
frac-times flip3-+ associate-*l/ flip-+
rec-exp 1-exp associate-*r/ pow-prod-down *-commutative distribute-lft-out
Counts
4 → 2834
Calls
4 calls:
1.3s
(* (+ x y) (/ (/ (/ 1 (cbrt (- 1.0 (/ y z)))) (cbrt (- 1.0 (/ y z)))) (cbrt (- 1.0 (/ y z)))))
12.0ms
(cbrt (- 1.0 (/ y z)))
9.0ms
(cbrt (- 1.0 (/ y z)))
9.0ms
(cbrt (- 1.0 (/ y z)))

series1.4s

Counts
4 → 12
Calls
4 calls:
92.0ms
(* (+ x y) (/ (/ (/ 1 (cbrt (- 1.0 (/ y z)))) (cbrt (- 1.0 (/ y z)))) (cbrt (- 1.0 (/ y z)))))
439.0ms
(cbrt (- 1.0 (/ y z)))
432.0ms
(cbrt (- 1.0 (/ y z)))
462.0ms
(cbrt (- 1.0 (/ y z)))

simplify10.6s

Counts
2846 → 2846
Iterations

Useful iterations: done (10.4s)

IterNodesCost
0417587843
done500085077

prune15.7s

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 6.9b

localize17.0ms

Local error

Found 4 expressions with local error:

1.0b
(/ 1 (- 1.0 (/ y z)))
1.0b
(/ 1 (- 1.0 (/ y z)))
7.3b
(sqrt (/ 1 (- 1.0 (/ y z))))
7.3b
(sqrt (/ 1 (- 1.0 (/ y z))))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
124×add-sqr-sqrt
90×times-frac
76×*-un-lft-identity
48×sqrt-prod
46×add-cube-cbrt
28×difference-of-squares
14×distribute-lft-out--
12×add-exp-log associate-/r*
10×pow1
associate-/r/ add-cbrt-cube
rem-sqrt-square sqrt-pow1 associate-/l*
flip3-- pow-flip div-exp flip-- div-inv inv-pow add-log-exp
cbrt-undiv rec-exp frac-2neg pow1/2 sqrt-div 1-exp clear-num
Counts
4 → 168
Calls
4 calls:
22.0ms
(/ 1 (- 1.0 (/ y z)))
26.0ms
(/ 1 (- 1.0 (/ y z)))
21.0ms
(sqrt (/ 1 (- 1.0 (/ y z))))
22.0ms
(sqrt (/ 1 (- 1.0 (/ y z))))

series501.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(/ 1 (- 1.0 (/ y z)))
53.0ms
(/ 1 (- 1.0 (/ y z)))
192.0ms
(sqrt (/ 1 (- 1.0 (/ y z))))
182.0ms
(sqrt (/ 1 (- 1.0 (/ y z))))

simplify2.2s

Counts
180 → 180
Iterations

Useful iterations: 4 (571.0ms)

IterNodesCost
01302356
12142014
23681912
37201912
416631910
done50011910

prune500.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 6.9b

regimes198.0ms

Accuracy

62.4% (0.7b remaining)

Error of 6.7b against oracle of 6.0b and baseline of 7.8b

bsearch2.0ms

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02263
12755
done2755

end0.0ms

sample1.0s

Algorithm
intervals
Results
314.0ms7999×body80valid
0.0msbody1280valid