Details

Time bar (total: 34.3s)

sample319.0ms

Algorithm
intervals
Results
148.0ms1959×body80nan
45.0ms256×body80valid

simplify6.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01516
12716
25916
314716
432616
568116
6121316
7175016
8207316
9207616
done207616

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize38.0ms

Local error

Found 3 expressions with local error:

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

rewrite326.0ms

Algorithm
rewrite-expression-head
Rules
19×log-prod *-un-lft-identity
15×add-sqr-sqrt
11×add-cube-cbrt
10×pow1 add-log-exp
associate-+r+
associate-+l+
distribute-rgt-in distribute-lft-in associate-*l/
add-exp-log flip3-- associate-*l* sum-log log-pow add-cbrt-cube flip-- distribute-lft-out
associate-*r* frac-add
associate-+l- flip3-+ flip-+
+-commutative log-div diff-log
sub-neg pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 80
Calls
3 calls:
263.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
25.0ms
(* (- a 0.5) (log t))
35.0ms
(+ (log (+ x y)) (log z))

series441.0ms

Counts
3 → 9
Calls
3 calls:
253.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
86.0ms
(* (- a 0.5) (log t))
101.0ms
(+ (log (+ x y)) (log z))

simplify1.3s

Counts
89 → 89
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02241499
15851424
220491323
done50001297

prune555.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

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

rewrite238.0ms

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:
16.0ms
(- (log z) t)
133.0ms
(+ (log (+ x y)) (+ (- (log z) t) (* (- a 0.5) (log t))))
23.0ms
(* (- a 0.5) (log t))
59.0ms
(+ (- (log z) t) (* (- a 0.5) (log t)))

series587.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(- (log z) t)
266.0ms
(+ (log (+ x y)) (+ (- (log z) t) (* (- a 0.5) (log t))))
79.0ms
(* (- a 0.5) (log t))
146.0ms
(+ (- (log z) t) (* (- a 0.5) (log t)))

simplify1.4s

Counts
110 → 110
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02391697
16431595
221761497
done50001479

prune509.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (- (log z) t) (* (- a 0.5) (* 2 (log (cbrt t)))))
0.2b
(+ (+ (- (log z) t) (* (- a 0.5) (* 2 (log (cbrt t))))) (* (log (cbrt t)) (- a 0.5)))
0.6b
(cbrt t)
0.6b
(cbrt t)

rewrite392.0ms

Algorithm
rewrite-expression-head
Rules
28×associate-+r+
27×log-prod
26×distribute-rgt-in distribute-lft-in
24×frac-add
18×cbrt-prod flip3-- flip--
16×add-log-exp
15×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×associate-*r/ associate-*l/
sum-log
associate-+l+
pow1 add-exp-log flip3-+ add-cbrt-cube flip-+
associate-+l- sub-neg associate--l+
+-commutative pow1/3 diff-log
Counts
4 → 99
Calls
4 calls:
93.0ms
(+ (- (log z) t) (* (- a 0.5) (* 2 (log (cbrt t)))))
285.0ms
(+ (+ (- (log z) t) (* (- a 0.5) (* 2 (log (cbrt t))))) (* (log (cbrt t)) (- a 0.5)))
2.0ms
(cbrt t)
1.0ms
(cbrt t)

series1.2s

Counts
4 → 12
Calls
4 calls:
292.0ms
(+ (- (log z) t) (* (- a 0.5) (* 2 (log (cbrt t)))))
269.0ms
(+ (+ (- (log z) t) (* (- a 0.5) (* 2 (log (cbrt t))))) (* (log (cbrt t)) (- a 0.5)))
304.0ms
(cbrt t)
302.0ms
(cbrt t)

simplify2.3s

Counts
111 → 111
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02953113
110012880
241102616
done50022587

prune810.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize90.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (pow t 2/3))
0.6b
(cbrt t)
0.6b
(cbrt t)
5.9b
(pow t 2/3)

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
13×cbrt-prod
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down
pow1 add-exp-log
add-cbrt-cube add-log-exp
pow-unpow pow1/3
sqr-pow
pow-to-exp pow-pow pow-exp
Counts
4 → 54
Calls
4 calls:
2.0ms
(cbrt (pow t 2/3))
1.0ms
(cbrt t)
1.0ms
(cbrt t)
3.0ms
(pow t 2/3)

series1.6s

Counts
4 → 12
Calls
4 calls:
298.0ms
(cbrt (pow t 2/3))
332.0ms
(cbrt t)
241.0ms
(cbrt t)
739.0ms
(pow t 2/3)

simplify1.6s

Counts
66 → 66
Iterations

Useful iterations: 4 (664.0ms)

IterNodesCost
075385
1140339
2256307
3578293
41793288
done5000288

prune543.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes552.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01516
11916
done1916

end0.0ms

sample13.3s

Algorithm
intervals
Results
7.9s55271×body80nan
1.1s8032×body80valid