Details

Time bar (total: 6.7s)

sample56.0ms

Algorithm
intervals
Results
41.0ms111×body10240exit
6.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
068
178
done78

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.8b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.7b
(/ (exp a) (+ (exp a) (exp b)))

rewrite14.0ms

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:
4.0ms
(+ (exp a) (exp b))
9.0ms
(/ (exp a) (+ (exp a) (exp b)))

series52.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(+ (exp a) (exp b))
31.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify870.0ms

Counts
51 → 51
Iterations

Useful iterations: 3 (112.0ms)

IterNodesCost
078616
1164587
2356548
3750546
41775546
done5000546

prune106.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- a (log (+ (exp a) (exp b))))
0.0b
(+ (exp a) (exp b))
2.9b
(log (+ (exp a) (exp b)))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
log-prod
add-sqr-sqrt
add-log-exp
pow1 add-cube-cbrt
add-exp-log log-div associate--r+
flip3-+ add-cbrt-cube flip-+ distribute-lft-out
log-pow distribute-lft-out-- associate--r-
+-commutative sub-neg flip3-- diff-log rem-log-exp sum-log flip-- difference-of-squares
Counts
3 → 48
Calls
3 calls:
6.0ms
(- a (log (+ (exp a) (exp b))))
4.0ms
(+ (exp a) (exp b))
4.0ms
(log (+ (exp a) (exp b)))

series83.0ms

Counts
3 → 9
Calls
3 calls:
33.0ms
(- a (log (+ (exp a) (exp b))))
18.0ms
(+ (exp a) (exp b))
32.0ms
(log (+ (exp a) (exp b)))

simplify1.1s

Counts
57 → 57
Iterations

Useful iterations: 3 (93.0ms)

IterNodesCost
082620
1176579
2331539
3589535
41119535
52714535
done5001535

prune148.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (exp a) (exp b))
0.7b
(/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
0.7b
(* (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
2.6b
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

rewrite206.0ms

Algorithm
rewrite-expression-head
Rules
106×*-un-lft-identity
55×times-frac
41×add-sqr-sqrt
36×associate-*l*
35×distribute-lft-out
34×add-cube-cbrt
28×unpow-prod-down cube-prod
13×add-cbrt-cube
add-exp-log associate-/r*
pow1
sum-cubes
associate-*r* add-log-exp
flip3-+ associate-/r/ flip-+
prod-exp cbrt-unprod associate-/l* unswap-sqr
cbrt-undiv frac-times exp-prod associate-*r/ div-exp pow-prod-down *-commutative div-inv
distribute-rgt-in sub-neg flip3-- distribute-rgt-out-- frac-2neg distribute-lft-in diff-log associate-*l/ clear-num pow-prod-up flip--
Counts
4 → 143
Calls
4 calls:
7.0ms
(* (exp a) (exp b))
30.0ms
(/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
156.0ms
(* (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
7.0ms
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

series261.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(* (exp a) (exp b))
63.0ms
(/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
137.0ms
(* (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
43.0ms
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

simplify877.0ms

Counts
155 → 155
Iterations

Useful iterations: 2 (252.0ms)

IterNodesCost
02093711
16443146
227462897
done50012897

prune423.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.5b

localize8.0ms

Local error

Found 2 expressions with local error:

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

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
associate--l+
sub-neg exp-sum
add-log-exp
distribute-rgt-in add-sqr-sqrt add-cube-cbrt *-un-lft-identity distribute-lft-in
log-prod exp-prod associate--r+
pow1 add-exp-log diff-log add-cbrt-cube rem-exp-log
flip3-- exp-diff flip--
Counts
2 → 38
Calls
2 calls:
6.0ms
(- (* 1/2 (- a b)) (log 2))
17.0ms
(exp (- (* 1/2 (- a b)) (log 2)))

series86.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(- (* 1/2 (- a b)) (log 2))
50.0ms
(exp (- (* 1/2 (- a b)) (log 2)))

simplify521.0ms

Counts
44 → 44
Iterations

Useful iterations: 3 (162.0ms)

IterNodesCost
072507
1158465
2348409
31092384
done5001384

prune79.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.5b

regimes74.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
199
done99

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.3s3481×body10240exit
190.0ms8000×body80valid