Details

Time bar (total: 15.2s)

sample113.0ms

Algorithm
intervals
Results
79.0ms107×body10240exit
15.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
178
done78

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp a) (exp b))
1.0b
(/ (exp a) (+ (exp a) (exp b)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
12×times-frac
11×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
associate-/r* add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-+ associate-/r/ flip-+
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 45
Calls
2 calls:
16.0ms
(+ (exp a) (exp b))
48.0ms
(/ (exp a) (+ (exp a) (exp b)))

series70.0ms

Counts
2 → 6
Calls
2 calls:
28.0ms
(+ (exp a) (exp b))
42.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify2.6s

Counts
51 → 51
Iterations

Useful iterations: 3 (259.0ms)

IterNodesCost
078616
1164587
2382548
3730546
41872546
done5000546

prune192.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.7b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- a (log (+ (exp a) (exp b)))))
0.0b
(+ (exp a) (exp b))
0.6b
(- a (log (+ (exp a) (exp b))))
2.8b
(log (+ (exp a) (exp b)))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
11×add-sqr-sqrt
add-log-exp
log-prod
pow1 add-cube-cbrt
log-div exp-prod
add-exp-log
flip3-+ exp-sum add-cbrt-cube flip-+ associate--r+ distribute-lft-out-- associate--r-
log-pow distribute-lft-out
sub-neg diff-log rem-exp-log difference-of-squares
+-commutative flip3-- exp-diff rem-log-exp sum-log flip--
Counts
4 → 68
Calls
4 calls:
52.0ms
(exp (- a (log (+ (exp a) (exp b)))))
21.0ms
(+ (exp a) (exp b))
23.0ms
(- a (log (+ (exp a) (exp b))))
9.0ms
(log (+ (exp a) (exp b)))

series272.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(exp (- a (log (+ (exp a) (exp b)))))
46.0ms
(+ (exp a) (exp b))
66.0ms
(- a (log (+ (exp a) (exp b))))
65.0ms
(log (+ (exp a) (exp b)))

simplify2.0s

Counts
80 → 80
Iterations

Useful iterations: 3 (299.0ms)

IterNodesCost
0107890
1234819
2480746
3934742
42098742
done5000742

prune335.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.7b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (/ (exp a) (+ (exp a) (exp b))))
0.0b
(+ (exp a) (exp b))
0.0b
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
1.0b
(/ (exp a) (+ (exp a) (exp b)))

rewrite189.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
36×exp-prod times-frac
30×add-sqr-sqrt add-cube-cbrt
19×log-pow
11×distribute-lft-out
add-log-exp
associate-/r/ add-cbrt-cube
pow1 add-exp-log
flip3-+ associate-/r* flip-+
log-prod div-inv associate-/l*
cbrt-undiv +-commutative frac-2neg div-exp rem-log-exp clear-num sum-log rem-exp-log
Counts
4 → 101
Calls
4 calls:
53.0ms
(exp (/ (exp a) (+ (exp a) (exp b))))
17.0ms
(+ (exp a) (exp b))
76.0ms
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
34.0ms
(/ (exp a) (+ (exp a) (exp b)))

series222.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(exp (/ (exp a) (+ (exp a) (exp b))))
36.0ms
(+ (exp a) (exp b))
69.0ms
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
49.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify2.4s

Counts
113 → 113
Iterations

Useful iterations: 4 (828.0ms)

IterNodesCost
01331368
12371244
25071159
39361153
421861152
done50001152

prune474.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.6b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(log (* (+ 1 (* 1/4 (- a b))) (exp 1/2)))
0.2b
(* (+ 1 (* 1/4 (- a b))) (exp 1/2))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
pow1
add-sqr-sqrt
add-exp-log
add-cube-cbrt *-un-lft-identity associate-*l/ add-cbrt-cube
associate-*r* associate-*l*
log-div flip3-+ rem-log-exp pow-prod-down prod-exp log-pow flip-+ add-log-exp
log-prod *-commutative cbrt-unprod unswap-sqr
Counts
2 → 34
Calls
2 calls:
14.0ms
(log (* (+ 1 (* 1/4 (- a b))) (exp 1/2)))
23.0ms
(* (+ 1 (* 1/4 (- a b))) (exp 1/2))

series223.0ms

Counts
2 → 6
Calls
2 calls:
157.0ms
(log (* (+ 1 (* 1/4 (- a b))) (exp 1/2)))
66.0ms
(* (+ 1 (* 1/4 (- a b))) (exp 1/2))

simplify2.1s

Counts
40 → 40
Iterations

Useful iterations: 3 (892.0ms)

IterNodesCost
095609
1243552
2716484
32625475
done5000475

prune103.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.6b

regimes166.0ms

Accuracy

0% (0.1b remaining)

Error of 0.6b against oracle of 0.5b and baseline of 0.6b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
199
done99

end0.0ms

sample3.6s

Algorithm
intervals
Results
2.8s3454×body10240exit
387.0ms8000×body80valid