Details

Time bar (total: 33.4s)

sample478.0ms

Algorithm
intervals
Results
295.0ms1923×body80nan
34.0ms256×body80valid

simplify7.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize39.0ms

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))
0.6b
(+ (log (+ x y)) (log z))

rewrite505.0ms

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:
110.0ms
(- (+ (log (+ x y)) (log z)) t)
332.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
43.0ms
(* (- a 0.5) (log t))
13.0ms
(+ (log (+ x y)) (log z))

series1.1s

Counts
4 → 12
Calls
4 calls:
256.0ms
(- (+ (log (+ x y)) (log z)) t)
589.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
85.0ms
(* (- a 0.5) (log t))
142.0ms
(+ (log (+ x y)) (log z))

simplify1.3s

Counts
114 → 114
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02391824
16171724
221301617
done50021584

prune681.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (+ (log (+ x y)) (* 2 (log (cbrt z)))) (log (cbrt z)))
0.5b
(+ (log (+ x y)) (* 2 (log (cbrt z))))
0.6b
(cbrt z)
0.6b
(cbrt z)

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
22×log-prod
18×associate-+r+ *-un-lft-identity
15×cbrt-prod
13×add-sqr-sqrt add-cube-cbrt
add-log-exp
distribute-rgt-in associate-+l- distribute-lft-in
pow1 associate-+l+
add-exp-log log-div flip3-+ sum-log add-cbrt-cube flip-+
distribute-lft-out
+-commutative pow1/3
log-pow
Counts
4 → 74
Calls
4 calls:
32.0ms
(+ (+ (log (+ x y)) (* 2 (log (cbrt z)))) (log (cbrt z)))
14.0ms
(+ (log (+ x y)) (* 2 (log (cbrt z))))
1.0ms
(cbrt z)
1.0ms
(cbrt z)

series1.0s

Counts
4 → 12
Calls
4 calls:
207.0ms
(+ (+ (log (+ x y)) (* 2 (log (cbrt z)))) (log (cbrt z)))
196.0ms
(+ (log (+ x y)) (* 2 (log (cbrt z))))
313.0ms
(cbrt z)
291.0ms
(cbrt z)

simplify2.8s

Counts
86 → 86
Iterations

Useful iterations: done (2.8s)

IterNodesCost
01481068
1348943
2916814
33595732
done5000719

prune618.0ms

Pruning

8 alts after pruning (7 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))
0.6b
(cbrt t)
0.6b
(cbrt t)
0.6b
(+ (log (+ x y)) (log z))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
17×*-un-lft-identity
13×pow1
11×add-sqr-sqrt
add-exp-log add-cube-cbrt add-cbrt-cube
log-prod
cbrt-prod
associate-*r* distribute-lft-out
associate-+l+ log-pow add-log-exp
associate-+r+ pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in associate-+l- sub-neg log-div distribute-lft-in flip3-+ pow1/3 associate-*r/ flip-+
+-commutative flip3-- associate-*l* sum-log *-commutative flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 72
Calls
4 calls:
38.0ms
(* (* 2 (log (cbrt t))) (- a 0.5))
1.0ms
(cbrt t)
1.0ms
(cbrt t)
12.0ms
(+ (log (+ x y)) (log z))

series889.0ms

Counts
4 → 12
Calls
4 calls:
223.0ms
(* (* 2 (log (cbrt t))) (- a 0.5))
295.0ms
(cbrt t)
272.0ms
(cbrt t)
98.0ms
(+ (log (+ x y)) (log z))

simplify1.4s

Counts
84 → 84
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0162807
1382772
21187639
done5000630

prune519.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- a 0.5) (log (pow (/ 1 t) -1/3)))
0.6b
(cbrt t)
0.6b
(+ (log (+ x y)) (log z))
5.0b
(pow (/ 1 t) -1/3)

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
41×log-prod *-un-lft-identity
39×unpow-prod-down
37×add-sqr-sqrt
33×add-cube-cbrt
27×times-frac
17×distribute-rgt-in distribute-lft-in
12×pow1
11×add-exp-log
add-cbrt-cube
associate-*l* log-pow distribute-lft-out
associate-+l+ associate-*r* pow-exp add-log-exp
cbrt-prod pow-unpow associate-+r+ pow-pow div-inv sqr-pow
associate-+l- log-div flip3-+ div-exp associate-*l/ flip-+
+-commutative pow-to-exp rec-exp flip3-- pow-flip pow1/3 1-exp pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod distribute-lft-out-- inv-pow difference-of-squares unswap-sqr
Counts
4 → 124
Calls
4 calls:
48.0ms
(* (- a 0.5) (log (pow (/ 1 t) -1/3)))
1.0ms
(cbrt t)
12.0ms
(+ (log (+ x y)) (log z))
7.0ms
(pow (/ 1 t) -1/3)

series703.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(* (- a 0.5) (log (pow (/ 1 t) -1/3)))
217.0ms
(cbrt t)
95.0ms
(+ (log (+ x y)) (log z))
260.0ms
(pow (/ 1 t) -1/3)

simplify924.0ms

Counts
136 → 136
Iterations

Useful iterations: done (920.0ms)

IterNodesCost
02971833
15931600
215241345
done50001254

prune478.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

regimes679.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01923
12523
done2523

end0.0ms

sample11.6s

Algorithm
intervals
Results
7.2s57140×body80nan
1.3s8030×body80valid