Details

Time bar (total: 26.2s)

sample415.0ms

Algorithm
intervals
Results
216.0ms2044×body80nan
26.0ms256×body80valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01516
12716
25916
314916
444216
5154316
done500016

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (log (+ x y)) (log z)) t)
0.1b
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
0.2b
(* (- a 0.5) (log t))
0.5b
(+ (log (+ x y)) (log z))

rewrite349.0ms

Algorithm
rewrite-expression-head
Rules
30×*-un-lft-identity
19×log-prod
18×add-sqr-sqrt
15×pow1
14×add-log-exp
12×add-cube-cbrt
associate-+r+ log-pow distribute-lft-out
associate-+l+
add-exp-log distribute-rgt-in flip3-- distribute-lft-in associate-*l/ sum-log add-cbrt-cube flip-- distribute-lft-out--
associate-+l- associate-*l*
log-div flip3-+ diff-log associate-*r* frac-add flip-+
+-commutative associate--l- sub-neg associate--l+ difference-of-squares
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 102
Calls
4 calls:
58.0ms
(- (+ (log (+ x y)) (log z)) t)
242.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
31.0ms
(* (- a 0.5) (log t))
14.0ms
(+ (log (+ x y)) (log z))

series687.0ms

Counts
4 → 12
Calls
4 calls:
243.0ms
(- (+ (log (+ x y)) (log z)) t)
291.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
67.0ms
(* (- a 0.5) (log t))
86.0ms
(+ (log (+ x y)) (log z))

simplify1.4s

Counts
114 → 114
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02391824
16321724
226561621
done50011615

prune854.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.1b
(+ (- (log z) t) (* (- a 0.5) (log t)))
0.1b
(+ (log (+ x y)) (+ (- (log z) t) (* (- a 0.5) (log t))))
0.2b
(* (- a 0.5) (log t))

rewrite264.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
22×log-prod
19×add-sqr-sqrt
14×add-log-exp
13×add-cube-cbrt
pow1 associate-+l+
associate-+r+ sum-log
add-exp-log distribute-rgt-in flip3-- distribute-lft-in associate-*l/ associate--l+ add-cbrt-cube flip--
associate-*l*
associate-+l- associate-*r* frac-add
flip3-+ diff-log log-pow flip-+ distribute-lft-out distribute-lft-out--
+-commutative sub-neg log-div difference-of-squares
associate-+r- pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 98
Calls
4 calls:
10.0ms
(- (log z) t)
51.0ms
(+ (- (log z) t) (* (- a 0.5) (log t)))
151.0ms
(+ (log (+ x y)) (+ (- (log z) t) (* (- a 0.5) (log t))))
49.0ms
(* (- a 0.5) (log t))

series527.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (log z) t)
100.0ms
(+ (- (log z) t) (* (- a 0.5) (log t)))
297.0ms
(+ (log (+ x y)) (+ (- (log z) t) (* (- a 0.5) (log t))))
67.0ms
(* (- a 0.5) (log t))

simplify1.5s

Counts
110 → 110
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02391697
16571595
227011497
done50021485

prune512.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (log (sqrt z)) (- (log (sqrt z)) t))
0.1b
(+ (+ (log (sqrt z)) (- (log (sqrt z)) t)) (* (- a 0.5) (log t)))
0.1b
(+ (log (+ x y)) (+ (+ (log (sqrt z)) (- (log (sqrt z)) t)) (* (- a 0.5) (log t))))
0.2b
(* (- a 0.5) (log t))

rewrite830.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
28×log-prod
19×add-sqr-sqrt add-log-exp
16×sum-log
15×add-cube-cbrt associate-+r+
13×pow1
11×associate-+l+
distribute-lft-out
log-pow
add-exp-log distribute-rgt-in distribute-lft-in flip3-+ associate-*l/ associate--l+ sqrt-prod add-cbrt-cube flip-+
associate-*l* distribute-lft-out--
associate-+l- associate-+r- associate-*r* frac-add
+-commutative flip3-- diff-log flip--
log-div
sub-neg pow-prod-down prod-exp *-commutative cbrt-unprod difference-of-squares unswap-sqr
Counts
4 → 111
Calls
4 calls:
45.0ms
(+ (log (sqrt z)) (- (log (sqrt z)) t))
246.0ms
(+ (+ (log (sqrt z)) (- (log (sqrt z)) t)) (* (- a 0.5) (log t)))
506.0ms
(+ (log (+ x y)) (+ (+ (log (sqrt z)) (- (log (sqrt z)) t)) (* (- a 0.5) (log t))))
28.0ms
(* (- a 0.5) (log t))

series735.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(+ (log (sqrt z)) (- (log (sqrt z)) t))
187.0ms
(+ (+ (log (sqrt z)) (- (log (sqrt z)) t)) (* (- a 0.5) (log t)))
370.0ms
(+ (log (+ x y)) (+ (+ (log (sqrt z)) (- (log (sqrt z)) t)) (* (- a 0.5) (log t))))
73.0ms
(* (- a 0.5) (log t))

simplify1.2s

Counts
123 → 123
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02632356
17372053
230671848
done50011825

prune600.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 2 (log (cbrt t))) (- a 0.5))
0.3b
(+ (* (* 2 (log (cbrt t))) (- a 0.5)) (* (log (cbrt t)) (- a 0.5)))
0.6b
(cbrt t)
0.6b
(cbrt t)

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
10×associate-*r/
pow1 add-exp-log add-sqr-sqrt *-un-lft-identity add-cbrt-cube
add-cube-cbrt
cbrt-prod distribute-rgt-in sub-neg distribute-lft-in add-log-exp
flip3-- associate-*r* flip--
associate-+l+ associate-+r+ frac-add
pow-prod-down prod-exp cbrt-unprod
pow1/3
+-commutative distribute-rgt-out flip3-+ associate-*l* sum-log *-commutative flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 72
Calls
4 calls:
57.0ms
(* (* 2 (log (cbrt t))) (- a 0.5))
58.0ms
(+ (* (* 2 (log (cbrt t))) (- a 0.5)) (* (log (cbrt t)) (- a 0.5)))
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series1.2s

Counts
4 → 12
Calls
4 calls:
247.0ms
(* (* 2 (log (cbrt t))) (- a 0.5))
369.0ms
(+ (* (* 2 (log (cbrt t))) (- a 0.5)) (* (log (cbrt t)) (- a 0.5)))
257.0ms
(cbrt t)
281.0ms
(cbrt t)

simplify1.4s

Counts
84 → 84
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01541272
14801136
22428897
done5002868

prune556.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

regimes455.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01721
12221
done2221

end0.0ms

sample11.5s

Algorithm
intervals
Results
6.7s55897×body80nan
909.0ms8043×body80valid