Details

Time bar (total: 6.4s)

sample27.0ms

Algorithm
intervals
Results
12.0ms352×body80valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01313
12713
29013
328913
470413
5125513
6155913
7159213
done159213

prune2.0ms

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))

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-*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))
8.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

series142.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(* (* z 9.0) t)
54.0ms
(- (* x y) (* (* z 9.0) t))
70.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

simplify571.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (111.0ms)

IterNodesCost
0127944
1349906
21517787
done5001787

prune230.0ms

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))

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
(* z (* 9.0 t))
3.0ms
(- (* x y) (* z (* 9.0 t)))
8.0ms
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

series147.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(* z (* 9.0 t))
57.0ms
(- (* x y) (* z (* 9.0 t)))
71.0ms
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

simplify471.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (101.0ms)

IterNodesCost
0125941
1342905
21335786
done5000786

prune211.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.4b

localize10.0ms

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)))
8.0ms
(/ (- (* x y) (* 9.0 (* t z))) (* a 2.0))

series151.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(* 9.0 (* t z))
54.0ms
(- (* x y) (* 9.0 (* t z)))
71.0ms
(/ (- (* x y) (* 9.0 (* t z))) (* a 2.0))

simplify471.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (99.0ms)

IterNodesCost
0122941
1337905
21295786
done5000786

prune218.0ms

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)

rewrite25.0ms

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)))
8.0ms
(* 4.5 (/ (* t z) a))
4.0ms
(/ (* t z) a)
3.0ms
(/ (* x y) a)

series200.0ms

Counts
4 → 12
Calls
4 calls:
122.0ms
(- (* 0.5 (/ (* x y) a)) (* 4.5 (/ (* t z) a)))
35.0ms
(* 4.5 (/ (* t z) a))
21.0ms
(/ (* t z) a)
22.0ms
(/ (* x y) a)

simplify680.0ms

Counts
105 → 105
Iterations

Useful iterations: 2 (141.0ms)

IterNodesCost
01571165
14201114
21841975
done5001975

prune283.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.8b

regimes475.0ms

Accuracy

49.8% (3.6b remaining)

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

bsearch1.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03887
14887
done4887

end0.0ms

sample737.0ms

Algorithm
intervals
Results
390.0ms11185×body80valid