Details

Time bar (total: 18.5s)

sample42.0ms

Algorithm
intervals
Results
22.0ms256×body80valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1119
2149
done149

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.8b

localize14.0ms

Local error

Found 1 expressions with local error:

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

rewrite67.0ms

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 expm1-log1p-u flip3-- frac-2neg flip3-+ div-exp clear-num flip-- flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 52
Calls
1 calls:
65.0ms
(/ (+ x y) (- 1.0 (/ y z)))

series79.0ms

Counts
1 → 3
Calls
1 calls:
79.0ms
(/ (+ x y) (- 1.0 (/ y z)))

simplify3.3s

Counts
55 → 55
Iterations

Useful iterations: 4 (2.1s)

IterNodesCost
097855
1209831
2558795
31461795
44342794
done5000794

prune172.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 6.6b

localize9.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ 1 (- 1.0 (/ y z)))
8.3b
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

rewrite142.0ms

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 expm1-log1p-u frac-times rec-exp flip3-- flip3-+ 1-exp associate-*l/ flip-- cbrt-unprod flip-+ log1p-expm1-u 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 → 101
Calls
2 calls:
28.0ms
(/ 1 (- 1.0 (/ y z)))
105.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

series224.0ms

Counts
2 → 6
Calls
2 calls:
100.0ms
(/ 1 (- 1.0 (/ y z)))
123.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

simplify3.6s

Counts
107 → 107
Iterations

Useful iterations: 2 (271.0ms)

IterNodesCost
01471404
13451179
29981081
329561081
done50001081

prune371.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 6.6b

localize10.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
8.8b
(/ (- 1.0 (/ y z)) (+ x y))

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
231×times-frac
194×add-sqr-sqrt
193×*-un-lft-identity
89×add-cube-cbrt
42×difference-of-squares
34×associate-/r*
31×distribute-lft-out
21×distribute-lft-out--
15×add-exp-log
11×associate-/r/
add-cbrt-cube associate-/l*
div-exp
div-inv
flip3-+ flip-+
cbrt-undiv
pow1
expm1-log1p-u rec-exp frac-2neg 1-exp clear-num log1p-expm1-u associate-/l/ add-log-exp
flip3-- pow-flip div-sub flip-- inv-pow
Counts
2 → 199
Calls
2 calls:
67.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
60.0ms
(/ (- 1.0 (/ y z)) (+ x y))

series271.0ms

Counts
2 → 6
Calls
2 calls:
196.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
75.0ms
(/ (- 1.0 (/ y z)) (+ x y))

simplify3.4s

Counts
205 → 205
Iterations

Useful iterations: 3 (2.0s)

IterNodesCost
02494065
15793570
213513259
337103215
done50003215

prune423.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 6.6b

localize36.0ms

Local error

Found 4 expressions with local error:

1.1b
(/ (+ x y) (* (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)))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
19×*-un-lft-identity
18×cbrt-prod cbrt-div
add-exp-log add-cube-cbrt flip3-- flip--
associate-/r/
times-frac add-cbrt-cube
difference-of-squares
pow1 expm1-log1p-u frac-times log1p-expm1-u associate-/l* add-log-exp
pow1/3 distribute-lft-out--
cbrt-undiv associate-*r/ div-exp associate-*l/ associate-/l/ distribute-lft-out
frac-2neg flip3-+ prod-exp clear-num associate-/r* cbrt-unprod flip-+ div-inv
Counts
4 → 89
Calls
4 calls:
57.0ms
(/ (+ x y) (* (cbrt (- 1.0 (/ y z))) (cbrt (- 1.0 (/ y z)))))
18.0ms
(cbrt (- 1.0 (/ y z)))
18.0ms
(cbrt (- 1.0 (/ y z)))
19.0ms
(cbrt (- 1.0 (/ y z)))

series1.8s

Counts
4 → 12
Calls
4 calls:
351.0ms
(/ (+ x y) (* (cbrt (- 1.0 (/ y z))) (cbrt (- 1.0 (/ y z)))))
467.0ms
(cbrt (- 1.0 (/ y z)))
468.0ms
(cbrt (- 1.0 (/ y z)))
533.0ms
(cbrt (- 1.0 (/ y z)))

simplify2.1s

Counts
101 → 101
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01501613
13481520
28621397
323141364
done50011325

prune490.0ms

Pruning

9 alts after pruning (5 fresh and 4 done)

Merged error: 6.6b

regimes245.0ms

Accuracy

33.2% (1.2b remaining)

Error of 6.6b against oracle of 5.4b and baseline of 7.2b

bsearch1.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02569
13061
done3061

end0.0ms

sample1.4s

Algorithm
intervals
Results
916.0ms7999×body80valid
0.0msbody1280valid