Details

Time bar (total: 6.7s)

sample27.0ms

Algorithm
intervals
Results
12.0ms359×body80valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01313
12613
28813
327513
466913
5117913
6140513
7142413
done142413

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.8b

localize10.0ms

Local error

Found 3 expressions with local error:

0.2b
(- (* x y) (* (* z 9.0) t))
0.2b
(* (* z 9.0) t)
7.3b
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

rewrite20.0ms

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
times-frac associate-*r* pow-prod-down associate-/l*
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg frac-2neg diff-log div-sub associate-*l* clear-num associate-/r* *-commutative div-inv
Counts
3 → 54
Calls
3 calls:
3.0ms
(- (* x y) (* (* z 9.0) t))
7.0ms
(* (* z 9.0) t)
9.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

series138.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(- (* x y) (* (* z 9.0) t))
17.0ms
(* (* z 9.0) t)
67.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

simplify528.0ms

Counts
63 → 63
Iterations

Useful iterations: 2 (119.0ms)

IterNodesCost
0116858
1327827
21283711
done5000711

prune166.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.4b

localize12.0ms

Local error

Found 3 expressions with local error:

0.2b
(* 9.0 (* t z))
0.2b
(+ (* x y) (- (* 9.0 (* t z))))
7.3b
(/ (+ (* x y) (- (* 9.0 (* t z)))) (* a 2.0))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
pow1
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
prod-exp cbrt-unprod
times-frac div-sub associate-*l* pow-prod-down associate-/l*
cbrt-undiv neg-sub0 associate-+r- flip3-+ div-exp unsub-neg sum-log flip-+ associate-/l/
+-commutative frac-2neg associate-*r* neg-log clear-num associate-/r* *-commutative div-inv
Counts
3 → 59
Calls
3 calls:
6.0ms
(* 9.0 (* t z))
4.0ms
(+ (* x y) (- (* 9.0 (* t z))))
12.0ms
(/ (+ (* x y) (- (* 9.0 (* t z)))) (* a 2.0))

series140.0ms

Counts
3 → 9
Calls
3 calls:
20.0ms
(* 9.0 (* t z))
56.0ms
(+ (* x y) (- (* 9.0 (* t z))))
65.0ms
(/ (+ (* x y) (- (* 9.0 (* t z)))) (* a 2.0))

simplify515.0ms

Counts
68 → 68
Iterations

Useful iterations: done (513.0ms)

IterNodesCost
0118947
1336876
21294747
done5000744

prune169.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ (* x y) (* a 2.0)) (/ (* (* z 9.0) t) (* a 2.0)))
0.2b
(* (* z 9.0) t)
5.4b
(/ (* x y) (* a 2.0))
6.5b
(/ (* (* z 9.0) t) (* a 2.0))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
42×add-exp-log add-cbrt-cube
16×prod-exp cbrt-unprod
10×cbrt-undiv div-exp
pow1
add-sqr-sqrt *-un-lft-identity
add-log-exp
add-cube-cbrt
div-inv
associate-*r* pow-prod-down
frac-2neg times-frac clear-num associate-/r* associate-/l*
sub-neg flip3-- distribute-rgt-out-- diff-log associate-*l* *-commutative frac-sub flip-- distribute-lft-out-- sub-div difference-of-squares
Counts
4 → 81
Calls
4 calls:
10.0ms
(- (/ (* x y) (* a 2.0)) (/ (* (* z 9.0) t) (* a 2.0)))
7.0ms
(* (* z 9.0) t)
5.0ms
(/ (* x y) (* a 2.0))
12.0ms
(/ (* (* z 9.0) t) (* a 2.0))

series181.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(- (/ (* x y) (* a 2.0)) (/ (* (* z 9.0) t) (* a 2.0)))
20.0ms
(* (* z 9.0) t)
27.0ms
(/ (* x y) (* a 2.0))
26.0ms
(/ (* (* z 9.0) t) (* a 2.0))

simplify780.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (219.0ms)

IterNodesCost
01491327
14531256
226331024
done50001024

prune195.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ (* x y) (* a 2.0)) (* (/ (* z 9.0) a) (/ t 2.0)))
0.2b
(/ (* z 9.0) a)
5.4b
(/ (* x y) (* a 2.0))
5.6b
(* (/ (* z 9.0) a) (/ t 2.0))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
42×add-exp-log add-cbrt-cube
20×add-sqr-sqrt
17×times-frac
15×add-cube-cbrt *-un-lft-identity
13×cbrt-undiv div-exp associate-*r* prod-exp cbrt-unprod
associate-*l*
pow1 add-log-exp
associate-/r* div-inv
frac-times frac-sub
frac-2neg associate-*r/ associate-*l/ clear-num associate-/l* unswap-sqr
sub-neg flip3-- diff-log pow-prod-down *-commutative flip-- sub-div
Counts
4 → 104
Calls
4 calls:
9.0ms
(- (/ (* x y) (* a 2.0)) (* (/ (* z 9.0) a) (/ t 2.0)))
3.0ms
(/ (* z 9.0) a)
7.0ms
(/ (* x y) (* a 2.0))
15.0ms
(* (/ (* z 9.0) a) (/ t 2.0))

series185.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(- (/ (* x y) (* a 2.0)) (* (/ (* z 9.0) a) (/ t 2.0)))
21.0ms
(/ (* z 9.0) a)
28.0ms
(/ (* x y) (* a 2.0))
29.0ms
(* (/ (* z 9.0) a) (/ t 2.0))

simplify967.0ms

Counts
116 → 116
Iterations

Useful iterations: 2 (339.0ms)

IterNodesCost
02071578
16261491
230651255
done50001255

prune273.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

regimes457.0ms

Accuracy

50.8% (3.9b remaining)

Error of 4.0b against oracle of 0.1b and baseline of 8.1b

bsearch1.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
039119
149117
done49117

end0.0ms

sample719.0ms

Algorithm
intervals
Results
391.0ms11192×body80valid