Details

Time bar (total: 15.4s)

sample80.0ms

Algorithm
intervals
Results
37.0ms497×body80valid

simplify1.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11913
25013
315913
429813
538413
639213
746313
862013
963213
done63213

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.1b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* z z) t)
4.8b
(* (* y 4.0) (- (* z z) t))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
associate-*r* add-log-exp
add-cube-cbrt sub-neg *-un-lft-identity pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in flip3-- distribute-lft-in associate-*r/ flip-- difference-of-squares
diff-log associate-*l* *-commutative
Counts
2 → 38
Calls
2 calls:
12.0ms
(- (* z z) t)
52.0ms
(* (* y 4.0) (- (* z z) t))

series124.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(- (* z z) t)
91.0ms
(* (* y 4.0) (- (* z z) t))

simplify2.2s

Counts
44 → 44
Iterations

Useful iterations: 2 (162.0ms)

IterNodesCost
076489
1209477
2748393
32880393
done5002393

prune149.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 2.0b

localize25.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (* y 4.0) (* (cbrt (- (* z z) t)) (cbrt (- (* z z) t))))
5.3b
(cbrt (- (* z z) t))
5.3b
(cbrt (- (* z z) t))
5.3b
(cbrt (- (* z z) t))

rewrite146.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
16×pow1 add-exp-log
12×cbrt-prod add-cbrt-cube
10×add-sqr-sqrt associate-*r/
flip3-- flip--
pow-prod-down prod-exp cbrt-unprod
add-cube-cbrt *-un-lft-identity
frac-times add-log-exp
pow1/3 difference-of-squares
associate-*l/
associate-*r* associate-*l* *-commutative
Counts
4 → 72
Calls
4 calls:
113.0ms
(* (* y 4.0) (* (cbrt (- (* z z) t)) (cbrt (- (* z z) t))))
10.0ms
(cbrt (- (* z z) t))
10.0ms
(cbrt (- (* z z) t))
10.0ms
(cbrt (- (* z z) t))

series456.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(* (* y 4.0) (* (cbrt (- (* z z) t)) (cbrt (- (* z z) t))))
123.0ms
(cbrt (- (* z z) t))
101.0ms
(cbrt (- (* z z) t))
97.0ms
(cbrt (- (* z z) t))

simplify2.2s

Counts
84 → 84
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01201340
13071252
29141084
330341048
done50001030

prune316.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 2.0b

localize21.0ms

Local error

Found 3 expressions with local error:

2.5b
(- (pow z 4) (* t t))
4.8b
(* (* y 4.0) (/ (- (pow z 4) (* t t)) (+ (pow z 2) t)))
24.7b
(/ (- (pow z 4) (* t t)) (+ (pow z 2) t))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
48×times-frac
46×add-sqr-sqrt
30×associate-*r* difference-of-squares
26×add-cube-cbrt
17×add-exp-log add-cbrt-cube
13×distribute-lft-out
10×unpow-prod-down sqr-pow
pow1
prod-exp cbrt-unprod associate-/l*
add-log-exp
associate-/r* associate-/r/
cbrt-undiv div-exp pow-prod-down
flip3-- flip3-+ flip-- flip-+ div-inv associate-/l/
sub-neg frac-2neg diff-log div-sub associate-*r/ associate-*l* clear-num *-commutative
Counts
3 → 116
Calls
3 calls:
15.0ms
(- (pow z 4) (* t t))
75.0ms
(* (* y 4.0) (/ (- (pow z 4) (* t t)) (+ (pow z 2) t)))
48.0ms
(/ (- (pow z 4) (* t t)) (+ (pow z 2) t))

series362.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(- (pow z 4) (* t t))
210.0ms
(* (* y 4.0) (/ (- (pow z 4) (* t t)) (+ (pow z 2) t)))
83.0ms
(/ (- (pow z 4) (* t t)) (+ (pow z 2) t))

simplify1.8s

Counts
125 → 125
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01782446
15152308
221132062
done50001827

prune494.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 2.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* y 4.0) (sqrt (- (* z z) t)))
0.2b
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
4.7b
(sqrt (- (* z z) t))
4.7b
(sqrt (- (* z z) t))

rewrite268.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1
18×add-exp-log sqrt-div add-cbrt-cube
16×add-sqr-sqrt sqrt-prod
14×associate-*r*
10×add-cube-cbrt *-un-lft-identity associate-*r/
flip3-- pow-prod-down prod-exp flip-- cbrt-unprod
frac-times add-log-exp difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* associate-*l/ *-commutative
Counts
4 → 89
Calls
4 calls:
63.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
165.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
17.0ms
(sqrt (- (* z z) t))
17.0ms
(sqrt (- (* z z) t))

series263.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
71.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
52.0ms
(sqrt (- (* z z) t))
62.0ms
(sqrt (- (* z z) t))

simplify1.6s

Counts
101 → 101
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01361685
13681362
212951120
done50001116

prune389.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 2.0b

regimes514.0ms

Accuracy

56.3% (1.5b remaining)

Error of 4.0b against oracle of 2.5b and baseline of 6.0b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02036
12536
done2536

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.4s15680×body80valid