Details

Time bar (total: 18.6s)

sample84.0ms

Algorithm
intervals
Results
39.0ms540×body80valid

simplify38.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01115
12415
24215
35415
done5415

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.8b

localize35.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t)))
19.9b
(/ (* x x) (* y y))
23.8b
(/ (* z z) (* t t))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
27×add-exp-log add-cbrt-cube
cbrt-undiv div-exp prod-exp cbrt-unprod
*-un-lft-identity add-log-exp
pow1 add-sqr-sqrt add-cube-cbrt
frac-2neg times-frac clear-num associate-/r* div-inv associate-/l*
+-commutative flip3-+ frac-add sum-log flip-+ distribute-lft-out
Counts
3 → 55
Calls
3 calls:
45.0ms
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t)))
13.0ms
(/ (* x x) (* y y))
22.0ms
(/ (* z z) (* t t))

series214.0ms

Counts
3 → 9
Calls
3 calls:
138.0ms
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t)))
35.0ms
(/ (* x x) (* y y))
41.0ms
(/ (* z z) (* t t))

simplify2.6s

Counts
64 → 64
Iterations

Useful iterations: 2 (578.0ms)

IterNodesCost
0113909
1430884
24331666
done5000666

prune285.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.9b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ (* x x) (* y y)) (* (/ z t) (/ z t)))
0.3b
(* (/ z t) (/ z t))
19.9b
(/ (* x x) (* y y))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
41×times-frac
31×add-cube-cbrt *-un-lft-identity
27×add-exp-log add-cbrt-cube
13×swap-sqr associate-*r* associate-*l*
10×pow1
cbrt-undiv div-exp prod-exp cbrt-unprod
div-inv add-log-exp
unswap-sqr
frac-add
frac-times associate-*r/ associate-*l/
+-commutative pow2 frac-2neg flip3-+ pow-plus pow-prod-down clear-num associate-/r* sum-log pow-sqr *-commutative pow-prod-up flip-+ associate-/l*
Counts
3 → 102
Calls
3 calls:
24.0ms
(+ (/ (* x x) (* y y)) (* (/ z t) (/ z t)))
29.0ms
(* (/ z t) (/ z t))
22.0ms
(/ (* x x) (* y y))

series182.0ms

Counts
3 → 9
Calls
3 calls:
119.0ms
(+ (/ (* x x) (* y y)) (* (/ z t) (/ z t)))
32.0ms
(* (/ z t) (/ z t))
31.0ms
(/ (* x x) (* y y))

simplify2.8s

Counts
111 → 111
Iterations

Useful iterations: 2 (1.0s)

IterNodesCost
01821515
16711402
249211167
done50001167

prune448.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* (fabs (/ x y)) (fabs (/ x y))) (* (/ z t) (/ z t)))
0.3b
(* (/ z t) (/ z t))
0.3b
(* (fabs (/ x y)) (fabs (/ x y)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
40×times-frac
35×add-cube-cbrt *-un-lft-identity
17×pow1 add-exp-log add-cbrt-cube
16×swap-sqr associate-*r* associate-*l*
prod-exp cbrt-unprod add-log-exp unswap-sqr
cbrt-undiv div-exp div-inv
pow2 pow-plus pow-prod-down pow-sqr *-commutative pow-prod-up
+-commutative frac-times flip3-+ associate-*r/ associate-*l/ sum-log flip-+
Counts
3 → 103
Calls
3 calls:
8.0ms
(+ (* (fabs (/ x y)) (fabs (/ x y))) (* (/ z t) (/ z t)))
42.0ms
(* (/ z t) (/ z t))
7.0ms
(* (fabs (/ x y)) (fabs (/ x y)))

series126.0ms

Counts
3 → 9
Calls
3 calls:
88.0ms
(+ (* (fabs (/ x y)) (fabs (/ x y))) (* (/ z t) (/ z t)))
29.0ms
(* (/ z t) (/ z t))
9.0ms
(* (fabs (/ x y)) (fabs (/ x y)))

simplify3.2s

Counts
112 → 112
Iterations

Useful iterations: done (3.2s)

IterNodesCost
01551544
15471294
243371083
done50001074

prune415.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (/ z t) (/ z t))
0.5b
(pow (sqrt (fabs (/ x y))) 3)
9.1b
(sqrt (fabs (/ x y)))
9.1b
(sqrt (fabs (/ x y)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
40×times-frac
39×add-cube-cbrt *-un-lft-identity
17×add-exp-log add-cbrt-cube
15×pow1
13×swap-sqr associate-*r* associate-*l*
12×sqrt-prod
unpow-prod-down cube-prod
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv add-log-exp unswap-sqr
pow-unpow pow-pow sqrt-pow1 pow1/2
rem-sqrt-square
pow2 cube-mult frac-times pow-to-exp pow-plus unpow3 associate-*r/ pow-prod-down associate-*l/ pow-exp pow-sqr *-commutative pow-prod-up sqrt-pow2 rem-cube-cbrt sqr-pow
Counts
4 → 125
Calls
4 calls:
23.0ms
(* (/ z t) (/ z t))
4.0ms
(pow (sqrt (fabs (/ x y))) 3)
1.0ms
(sqrt (fabs (/ x y)))
1.0ms
(sqrt (fabs (/ x y)))

series99.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* (/ z t) (/ z t))
32.0ms
(pow (sqrt (fabs (/ x y))) 3)
14.0ms
(sqrt (fabs (/ x y)))
14.0ms
(sqrt (fabs (/ x y)))

simplify3.2s

Counts
137 → 137
Iterations

Useful iterations: done (3.2s)

IterNodesCost
01581473
15441270
236681155
done50011134

prune633.0ms

Pruning

20 alts after pruning (20 fresh and 0 done)

Merged error: 0.0b

regimes1.6s

Accuracy

0% (0.5b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01224
11524
done1524

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.4s15437×body80valid