Details

Time bar (total: 15.5s)

sample132.0ms

Algorithm
intervals
Results
97.0ms117×body10240exit
13.0ms256×body80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
178
done78

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.0b

localize14.0ms

Local error

Found 2 expressions with local error:

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

rewrite36.0ms

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:
11.0ms
(+ (exp a) (exp b))
23.0ms
(/ (exp a) (+ (exp a) (exp b)))

series110.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(+ (exp a) (exp b))
72.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify2.7s

Counts
51 → 51
Iterations

Useful iterations: 3 (213.0ms)

IterNodesCost
078616
1164587
2382548
3730546
41872546
done5000546

prune231.0ms

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) (exp b))
0.0b
(exp (- a (log (+ (exp a) (exp b)))))
0.3b
(- a (log (+ (exp a) (exp b))))
2.1b
(log (+ (exp a) (exp b)))

rewrite91.0ms

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:
11.0ms
(+ (exp a) (exp b))
29.0ms
(exp (- a (log (+ (exp a) (exp b)))))
27.0ms
(- a (log (+ (exp a) (exp b))))
22.0ms
(log (+ (exp a) (exp b)))

series238.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(+ (exp a) (exp b))
96.0ms
(exp (- a (log (+ (exp a) (exp b)))))
61.0ms
(- a (log (+ (exp a) (exp b))))
57.0ms
(log (+ (exp a) (exp b)))

simplify2.2s

Counts
80 → 80
Iterations

Useful iterations: 3 (346.0ms)

IterNodesCost
0107890
1234819
2480746
3936742
42100742
done5000742

prune338.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.7b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (exp a) (exp b))
1.0b
(/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
1.0b
(* (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
3.0b
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

rewrite563.0ms

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:
37.0ms
(* (exp a) (exp b))
74.0ms
(/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
416.0ms
(* (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
22.0ms
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

series468.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* (exp a) (exp b))
138.0ms
(/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
209.0ms
(* (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
82.0ms
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

simplify1.9s

Counts
155 → 155
Iterations

Useful iterations: 2 (623.0ms)

IterNodesCost
02093711
16393146
227132897
done50002897

prune723.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.7b

localize15.0ms

Local error

Found 1 expressions with local error:

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

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
diff-log
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt sub-neg flip3-- *-un-lft-identity associate--l+ sum-log add-cbrt-cube flip--
Counts
1 → 14
Calls
1 calls:
106.0ms
(- (+ (* 1/4 a) 1/2) (* 1/4 b))

series26.0ms

Counts
1 → 3
Calls
1 calls:
26.0ms
(- (+ (* 1/4 a) 1/2) (* 1/4 b))

simplify1.5s

Counts
17 → 17
Iterations

Useful iterations: 3 (361.0ms)

IterNodesCost
035233
198222
2336204
31441168
done5000168

prune29.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.7b

regimes110.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
199
done99

end0.0ms

sample3.8s

Algorithm
intervals
Results
2.9s3357×body10240exit
495.0ms8000×body80valid