Details

Time bar (total: 2.4s)

sample25.0ms

Algorithm
intervals
Results
12.0ms318×body80valid

simplify4.0ms

Counts
1 → 1

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.2b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (/ (+ x 4.0) y) (* (/ x y) z))
4.6b
(* (/ x y) z)

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
13×associate-*l*
10×add-cube-cbrt *-un-lft-identity times-frac
add-exp-log add-cbrt-cube
pow1 add-log-exp
associate-*r* associate-*l/
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv sub-neg flip3-- diff-log div-exp pow-prod-down *-commutative frac-sub flip-- div-inv sub-div
Counts
2 → 46
Calls
2 calls:
49.0ms
(- (/ (+ x 4.0) y) (* (/ x y) z))
25.0ms
(* (/ x y) z)

series72.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(- (/ (+ x 4.0) y) (* (/ x y) z))
26.0ms
(* (/ x y) z)

simplify79.0ms

Counts
52 → 52

prune126.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (/ (+ x 4.0) y) (* x (/ z y)))
4.3b
(* x (/ z y))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
13×associate-*r*
10×add-cube-cbrt *-un-lft-identity times-frac
add-exp-log add-cbrt-cube
pow1 add-log-exp
associate-*r/ associate-*l*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv sub-neg flip3-- diff-log div-exp pow-prod-down *-commutative frac-sub flip-- div-inv sub-div
Counts
2 → 46
Calls
2 calls:
51.0ms
(- (/ (+ x 4.0) y) (* x (/ z y)))
13.0ms
(* x (/ z y))

series67.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(- (/ (+ x 4.0) y) (* x (/ z y)))
21.0ms
(* x (/ z y))

simplify29.0ms

Counts
52 → 52

prune121.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ x 4.0) (* x z))
2.2b
(/ (- (+ x 4.0) (* x z)) y)

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-log-exp
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 flip3-- diff-log flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg div-sub div-exp associate--l+ clear-num sum-log div-inv
Counts
2 → 44
Calls
2 calls:
38.0ms
(- (+ x 4.0) (* x z))
69.0ms
(/ (- (+ x 4.0) (* x z)) y)

series70.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(- (+ x 4.0) (* x z))
48.0ms
(/ (- (+ x 4.0) (* x z)) y)

simplify75.0ms

Counts
50 → 50

prune114.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (/ (+ x 4.0) y) (* (* x z) (/ 1 y)))
5.1b
(* (* x z) (/ 1 y))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
24×add-exp-log
14×add-cbrt-cube
13×associate-*r*
12×prod-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
pow1
cbrt-unprod
div-exp add-log-exp
associate-*r/ pow-prod-down un-div-inv
cbrt-undiv rec-exp 1-exp frac-sub div-inv sub-div
sub-neg flip3-- distribute-rgt-out-- diff-log associate-*l* *-commutative flip--
Counts
2 → 55
Calls
2 calls:
74.0ms
(- (/ (+ x 4.0) y) (* (* x z) (/ 1 y)))
23.0ms
(* (* x z) (/ 1 y))

series69.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(- (/ (+ x 4.0) y) (* (* x z) (/ 1 y)))
21.0ms
(* (* x z) (/ 1 y))

simplify38.0ms

Counts
61 → 61

prune105.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes159.0ms

Accuracy

79.3% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.9b

bsearch2.0ms

simplify1.0ms

end0.0ms

sample844.0ms

Algorithm
intervals
Results
532.0ms9999×body80valid