Details

Time bar (total: 14.2s)

sample153.0ms

Algorithm
intervals
Results
121.0ms126×body10240exit
19.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations
IterNodes
27
17
06

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.7b

localize19.0ms

Local error

Found 2 expressions with local error:

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

rewrite41.0ms

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 clear-num sum-log frac-2neg div-exp div-inv
Counts
2 → 45
Calls
2 calls:
14.0ms
(+ (exp a) (exp b))
26.0ms
(/ (exp a) (+ (exp a) (exp b)))

series86.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(+ (exp a) (exp b))
58.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify859.0ms

Counts
51 → 51
Iterations
IterNodes
42206
3960
2466
1174
078

prune443.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize31.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.3b
(- a (log (+ (exp a) (exp b))))
2.6b
(log (+ (exp a) (exp b)))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
log-prod
add-sqr-sqrt
add-log-exp
pow1 add-cube-cbrt
log-div add-exp-log associate--r+
flip3-+ add-cbrt-cube flip-+ distribute-lft-out
log-pow distribute-lft-out-- associate--r-
+-commutative sum-log sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
3 → 48
Calls
3 calls:
14.0ms
(+ (exp a) (exp b))
16.0ms
(- a (log (+ (exp a) (exp b))))
11.0ms
(log (+ (exp a) (exp b)))

series139.0ms

Counts
3 → 9
Calls
3 calls:
20.0ms
(+ (exp a) (exp b))
55.0ms
(- a (log (+ (exp a) (exp b))))
64.0ms
(log (+ (exp a) (exp b)))

simplify1.7s

Counts
57 → 57
Iterations
IterNodes
54699
41600
3731
2357
1181
082

prune526.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

localize25.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (* (* (/ (exp a) (+ (exp b) (exp a))) (/ (exp a) (+ (exp b) (exp a)))) (/ (exp a) (+ (exp b) (exp a)))))
0.7b
(/ (exp a) (+ (exp b) (exp a)))
0.7b
(/ (exp a) (+ (exp b) (exp a)))
0.7b
(/ (exp a) (+ (exp b) (exp a)))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
55×*-un-lft-identity
36×times-frac
31×add-sqr-sqrt add-cube-cbrt
12×associate-/r* distribute-lft-out
10×add-cbrt-cube
associate-/l*
cbrt-div add-exp-log
associate-/r/
frac-times associate-*l/
pow1 add-log-exp
cbrt-undiv clear-num frac-2neg flip3-+ div-exp associate-*r/ flip-+ div-inv
cbrt-prod pow1/3 pow3 rem-cbrt-cube
Counts
4 → 116
Calls
4 calls:
86.0ms
(cbrt (* (* (/ (exp a) (+ (exp b) (exp a))) (/ (exp a) (+ (exp b) (exp a)))) (/ (exp a) (+ (exp b) (exp a)))))
18.0ms
(/ (exp a) (+ (exp b) (exp a)))
13.0ms
(/ (exp a) (+ (exp b) (exp a)))
24.0ms
(/ (exp a) (+ (exp b) (exp a)))

series214.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(cbrt (* (* (/ (exp a) (+ (exp b) (exp a))) (/ (exp a) (+ (exp b) (exp a)))) (/ (exp a) (+ (exp b) (exp a)))))
59.0ms
(/ (exp a) (+ (exp b) (exp a)))
56.0ms
(/ (exp a) (+ (exp b) (exp a)))
63.0ms
(/ (exp a) (+ (exp b) (exp a)))

simplify943.0ms

Counts
128 → 128
Iterations
IterNodes
42212
31077
2578
1202
091

prune1.2s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.5b

localize27.0ms

Local error

Found 2 expressions with local error:

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

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
log-prod exp-prod associate--r+
pow1 sub-neg add-cbrt-cube diff-log exp-sum add-exp-log rem-exp-log
flip3-- exp-diff flip--
Counts
2 → 30
Calls
2 calls:
21.0ms
(- (* (- a b) 1/2) (log 2))
56.0ms
(exp (- (* (- a b) 1/2) (log 2)))

series121.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(- (* (- a b) 1/2) (log 2))
75.0ms
(exp (- (* (- a b) 1/2) (log 2)))

simplify2.6s

Counts
36 → 36
Iterations
IterNodes
46533
31397
2440
1155
065

prune324.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.5b

regimes203.0ms

Accuracy

0% (0.1b remaining)

Error of 0.7b against oracle of 0.5b and baseline of 0.7b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
29
19
08

end0.0ms

sample4.2s

Algorithm
intervals
Results
3.3s3479×body10240exit
615.0ms8000×body80valid