Details

Time bar (total: 3.2s)

sample17.0ms

Algorithm
intervals
Results
6.0ms294×body80valid

simplify68.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0113
1223
2423
3613
4863
5973
63883
729173
850013
done50013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.8b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (- y z))
12.2b
(/ (* x (- y z)) y)

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
9×add-exp-log add-cbrt-cube
8×*-un-lft-identity
6×add-cube-cbrt
5×associate-*r*
4×pow1 associate-*r/
3×times-frac associate-*l* associate-/r*
2×cbrt-undiv distribute-rgt-in sub-neg flip3-- distribute-lft-in div-exp prod-exp flip-- cbrt-unprod associate-/l/ add-log-exp
1×frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 49
Calls
2 calls:
22.0ms
(* x (- y z))
15.0ms
(/ (* x (- y z)) y)

series86.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(* x (- y z))
48.0ms
(/ (* x (- y z)) y)

simplify33.0ms

Counts
55 → 55
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0219218
11044189
25001189
done5001189

prune86.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) y)
3.6b
(* x (/ (- y z) y))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
31×times-frac
22×add-cube-cbrt
19×associate-*r*
9×add-exp-log add-cbrt-cube
7×distribute-lft-out-- difference-of-squares
5×associate-/l*
4×pow1
3×associate-*l* associate-/r*
2×cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
1×flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative flip--
Counts
2 → 76
Calls
2 calls:
15.0ms
(/ (- y z) y)
28.0ms
(* x (/ (- y z) y))

series82.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ (- y z) y)
52.0ms
(* x (/ (- y z) y))

simplify39.0ms

Counts
82 → 82
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0264396
11187365
25001364
done5001364

prune142.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- y z))
0.5b
(cbrt (- y z))
0.5b
(cbrt (- y z))
1.6b
(* x (/ (* (cbrt (- y z)) (cbrt (- y z))) (* (cbrt y) (cbrt y))))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
22×add-exp-log
18×add-sqr-sqrt
15×cbrt-prod *-un-lft-identity
14×add-cbrt-cube
9×add-cube-cbrt prod-exp cbrt-unprod
6×pow1 cbrt-div
5×associate-*r*
4×cbrt-undiv div-exp add-log-exp
3×flip3-- pow1/3 associate-*l* flip-- distribute-lft-out-- difference-of-squares
2×times-frac unswap-sqr
1×associate-*r/ pow-prod-down *-commutative div-inv
Counts
4 → 75
Calls
4 calls:
4.0ms
(cbrt (- y z))
4.0ms
(cbrt (- y z))
4.0ms
(cbrt (- y z))
58.0ms
(* x (/ (* (cbrt (- y z)) (cbrt (- y z))) (* (cbrt y) (cbrt y))))

series606.0ms

Counts
4 → 12
Calls
4 calls:
145.0ms
(cbrt (- y z))
149.0ms
(cbrt (- y z))
145.0ms
(cbrt (- y z))
167.0ms
(* x (/ (* (cbrt (- y z)) (cbrt (- y z))) (* (cbrt y) (cbrt y))))

simplify47.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0359731
11479626
25002593
done5002593

prune236.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.3b
(* (cbrt x) (/ (- y z) y))
2.5b
(* (* (cbrt x) (cbrt x)) (* (cbrt x) (/ (- y z) y)))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
30×add-exp-log
23×*-un-lft-identity
20×associate-*r*
18×pow1 add-cbrt-cube
17×add-cube-cbrt times-frac
15×prod-exp cbrt-unprod
11×cbrt-prod
9×pow-prod-down
7×associate-*l*
4×add-log-exp unswap-sqr
3×cbrt-undiv associate-*r/ div-exp distribute-lft-out-- difference-of-squares
2×pow1/3 *-commutative
1×div-inv
Counts
4 → 92
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
28.0ms
(* (cbrt x) (/ (- y z) y))
53.0ms
(* (* (cbrt x) (cbrt x)) (* (cbrt x) (/ (- y z) y)))

series653.0ms

Counts
4 → 12
Calls
4 calls:
191.0ms
(cbrt x)
172.0ms
(cbrt x)
214.0ms
(* (cbrt x) (/ (- y z) y))
76.0ms
(* (* (cbrt x) (cbrt x)) (* (cbrt x) (/ (- y z) y)))

simplify56.0ms

Counts
104 → 104
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0349672
11638536
25002504
done5002504

prune185.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

regimes103.0ms

Accuracy

-29.9% (1.4b remaining)

Error of 1.4b against oracle of 0.0b and baseline of 1.1b

bsearch58.0ms

Steps
ItersRangePoint
9
3.494947854256038e+36
3.475263835047251e+45
3.572580006165377e+36
8
-2.2416054230608577e-248
-1.872794966336752e-252
-1.4464146076820333e-250

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02721
12721
done2721

end0.0ms

sample470.0ms

Algorithm
intervals
Results
195.0ms9612×body80valid