Details

Time bar (total: 8.6s)

sample27.0ms

Algorithm
intervals
Results
9.0ms355×body80valid

simplify42.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1169
2339
3459
4639
5679
done679

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.8b

localize7.0ms

Local error

Found 2 expressions with local error:

0.2b
(- (* x y) (* z t))
9.3b
(/ (- (* x y) (* z t)) a)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 42
Calls
2 calls:
10.0ms
(- (* x y) (* z t))
18.0ms
(/ (- (* x y) (* z t)) a)

series94.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(- (* x y) (* z t))
52.0ms
(/ (- (* x y) (* z t)) a)

simplify1.3s

Counts
48 → 48
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
080652
1205632
2638582
32177582
done5001582

prune121.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 9.4b

localize11.0ms

Local error

Found 2 expressions with local error:

0.2b
(- (* x y) (* z t))
9.4b
(* (- (* x y) (* z t)) (/ 1 a))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*r*
11×add-exp-log *-un-lft-identity times-frac
10×add-cube-cbrt
add-cbrt-cube
pow1 prod-exp add-log-exp
flip3-- associate-*l* flip-- unswap-sqr
frac-times div-exp associate-*l/ cbrt-unprod
cbrt-undiv sub-neg rec-exp diff-log 1-exp associate-*r/ pow-prod-down un-div-inv *-commutative div-inv
Counts
2 → 52
Calls
2 calls:
8.0ms
(- (* x y) (* z t))
32.0ms
(* (- (* x y) (* z t)) (/ 1 a))

series97.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(- (* x y) (* z t))
55.0ms
(* (- (* x y) (* z t)) (/ 1 a))

simplify1.9s

Counts
58 → 58
Iterations

Useful iterations: 2 (107.0ms)

IterNodesCost
0106832
1271728
2802638
33106638
done5002638

prune126.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 9.4b

localize8.0ms

Local error

Found 3 expressions with local error:

0.2b
(- (* x y) (* z t))
0.4b
(/ 1 (/ a (- (* x y) (* z t))))
9.3b
(/ a (- (* x y) (* z t)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
55×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp
flip3-- flip-- div-inv associate-/l*
add-log-exp
pow1 cbrt-undiv
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log inv-pow
Counts
3 → 125
Calls
3 calls:
8.0ms
(- (* x y) (* z t))
20.0ms
(/ 1 (/ a (- (* x y) (* z t))))
15.0ms
(/ a (- (* x y) (* z t)))

series178.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(- (* x y) (* z t))
84.0ms
(/ 1 (/ a (- (* x y) (* z t))))
48.0ms
(/ a (- (* x y) (* z t)))

simplify1.8s

Counts
134 → 134
Iterations

Useful iterations: 3 (592.0ms)

IterNodesCost
01872490
14162241
29362032
328071998
done50011998

prune232.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 9.4b

localize12.0ms

Local error

Found 2 expressions with local error:

0.2b
(- (* x y) (* z t))
9.3b
(/ (- (* x y) (* z t)) a)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 42
Calls
2 calls:
7.0ms
(- (* x y) (* z t))
18.0ms
(/ (- (* x y) (* z t)) a)

series98.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(- (* x y) (* z t))
56.0ms
(/ (- (* x y) (* z t)) a)

simplify1.3s

Counts
48 → 48
Iterations

Useful iterations: 2 (74.0ms)

IterNodesCost
080652
1205632
2638582
32177582
done5001582

prune103.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 9.4b

regimes324.0ms

Accuracy

0% (0.3b remaining)

Error of 7.8b against oracle of 7.4b and baseline of 7.8b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01111
1169
done169

end0.0ms

sample728.0ms

Algorithm
intervals
Results
277.0ms11042×body80valid