Details

Time bar (total: 6.6s)

sample28.0ms

Algorithm
intervals
Results
12.0ms352×body80valid

simplify1.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01313
12713
29013
328913
470313
5123413
6150513
7153413
done153413

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.5b
(* (* z 9.0) t)
0.5b
(- (* x y) (* (* z 9.0) t))
5.4b
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
pow1
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
prod-exp cbrt-unprod
expm1-log1p-u times-frac associate-*r* pow-prod-down log1p-expm1-u associate-/l*
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg frac-2neg fma-neg diff-log div-sub associate-*l* prod-diff clear-num associate-/r* *-commutative div-inv
Counts
3 → 62
Calls
3 calls:
7.0ms
(* (* z 9.0) t)
3.0ms
(- (* x y) (* (* z 9.0) t))
9.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

series157.0ms

Counts
3 → 9
Calls
3 calls:
20.0ms
(* (* z 9.0) t)
62.0ms
(- (* x y) (* (* z 9.0) t))
76.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

simplify655.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (155.0ms)

IterNodesCost
0127944
1344906
21462787
done5000787

prune227.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.4b

localize10.0ms

Local error

Found 3 expressions with local error:

0.2b
(* z (* 9.0 t))
0.5b
(- (* x y) (* z (* 9.0 t)))
5.4b
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
pow1
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
prod-exp cbrt-unprod
expm1-log1p-u times-frac associate-*l* pow-prod-down log1p-expm1-u associate-/l*
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg frac-2neg fma-neg diff-log div-sub associate-*r* prod-diff clear-num associate-/r* *-commutative div-inv
Counts
3 → 62
Calls
3 calls:
6.0ms
(* z (* 9.0 t))
3.0ms
(- (* x y) (* z (* 9.0 t)))
12.0ms
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

series151.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(* z (* 9.0 t))
60.0ms
(- (* x y) (* z (* 9.0 t)))
71.0ms
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

simplify574.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (110.0ms)

IterNodesCost
0125941
1340905
21292786
done5001786

prune224.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.4b

localize11.0ms

Local error

Found 3 expressions with local error:

0.2b
(* 9.0 (* t z))
0.5b
(- (* x y) (* 9.0 (* t z)))
5.4b
(/ (- (* x y) (* 9.0 (* t z))) (* a 2.0))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
pow1
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
prod-exp cbrt-unprod
expm1-log1p-u times-frac associate-*l* pow-prod-down log1p-expm1-u associate-/l*
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg frac-2neg fma-neg diff-log div-sub associate-*r* prod-diff clear-num associate-/r* *-commutative div-inv
Counts
3 → 62
Calls
3 calls:
6.0ms
(* 9.0 (* t z))
3.0ms
(- (* x y) (* 9.0 (* t z)))
9.0ms
(/ (- (* x y) (* 9.0 (* t z))) (* a 2.0))

series164.0ms

Counts
3 → 9
Calls
3 calls:
22.0ms
(* 9.0 (* t z))
65.0ms
(- (* x y) (* 9.0 (* t z)))
77.0ms
(/ (- (* x y) (* 9.0 (* t z))) (* a 2.0))

simplify604.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (112.0ms)

IterNodesCost
0122941
1335905
21254786
done5000786

prune225.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* 0.5 (/ (* x y) a)) (* 4.5 (/ (* t z) a)))
0.2b
(* 4.5 (/ (* t z) a))
4.9b
(/ (* t z) a)
6.0b
(/ (* x y) a)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log add-cbrt-cube
13×add-sqr-sqrt
11×add-cube-cbrt *-un-lft-identity
times-frac
associate-*r*
pow1 cbrt-undiv div-exp prod-exp associate-/r* cbrt-unprod add-log-exp
associate-*r/
expm1-log1p-u log1p-expm1-u
associate-*l* div-inv
frac-2neg clear-num associate-/l*
sub-neg flip3-- fma-neg diff-log prod-diff pow-prod-down *-commutative frac-sub flip-- sub-div unswap-sqr
Counts
4 → 93
Calls
4 calls:
7.0ms
(- (* 0.5 (/ (* x y) a)) (* 4.5 (/ (* t z) a)))
13.0ms
(* 4.5 (/ (* t z) a))
3.0ms
(/ (* t z) a)
4.0ms
(/ (* x y) a)

series204.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(- (* 0.5 (/ (* x y) a)) (* 4.5 (/ (* t z) a)))
30.0ms
(* 4.5 (/ (* t z) a))
22.0ms
(/ (* t z) a)
22.0ms
(/ (* x y) a)

simplify530.0ms

Counts
105 → 105
Iterations

Useful iterations: 2 (145.0ms)

IterNodesCost
01571165
14031114
21472975
done5000975

prune301.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.8b

regimes494.0ms

Accuracy

49.8% (3.6b remaining)

Error of 4.1b against oracle of 0.5b and baseline of 7.6b

bsearch2.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03887
14887
done4887

end0.0ms

sample744.0ms

Algorithm
intervals
Results
396.0ms11185×body80valid