Details

Time bar (total: 22.7s)

sample55.0ms

Algorithm
intervals
Results
37.0ms111×body10240exit
8.0ms256×body80valid

simplify3.0ms

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: 0.5b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.5b
(/ (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)))

series49.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(+ (exp a) (exp b))
31.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify2.8s

Counts
51 → 51
Iterations

Useful iterations: 3 (164.0ms)

IterNodesCost
078616
1175587
2473548
31149546
43499546
done5000546

prune111.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.0b
(exp (- a (log (+ (exp a) (exp b)))))
1.1b
(- a (log (+ (exp a) (exp b))))
3.6b
(log (+ (exp a) (exp b)))

rewrite28.0ms

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:
4.0ms
(+ (exp a) (exp b))
12.0ms
(exp (- a (log (+ (exp a) (exp b)))))
6.0ms
(- a (log (+ (exp a) (exp b))))
4.0ms
(log (+ (exp a) (exp b)))

series132.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(+ (exp a) (exp b))
49.0ms
(exp (- a (log (+ (exp a) (exp b)))))
31.0ms
(- a (log (+ (exp a) (exp b))))
33.0ms
(log (+ (exp a) (exp b)))

simplify15.6s

Counts
80 → 80
Iterations

Useful iterations: 3 (164.0ms)

IterNodesCost
0107890
1237819
2502746
31412742
44590742
done5000742

prune176.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (- a (log (+ (exp a) (exp b)))) 3)
1.1b
(- a (log (+ (exp a) (exp b))))
3.6b
(log (+ (exp a) (exp b)))
15.1b
(cbrt (pow (- a (log (+ (exp a) (exp b)))) 3))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
31×*-un-lft-identity
22×add-sqr-sqrt
18×cbrt-prod
12×add-cube-cbrt unpow-prod-down cube-prod
11×pow1
10×distribute-lft-out--
log-prod
add-exp-log log-pow
add-cbrt-cube add-log-exp difference-of-squares
cube-div log-div associate--r+
pow-unpow flip3-- flip--
cube-mult cbrt-div flip3-+ unpow3 flip-+ distribute-lft-out associate--r- sqr-pow
pow-to-exp sub-neg pow-pow pow1/3 diff-log rem-log-exp pow-exp rem-cbrt-cube rem-cube-cbrt
Counts
4 → 96
Calls
4 calls:
5.0ms
(pow (- a (log (+ (exp a) (exp b)))) 3)
6.0ms
(- a (log (+ (exp a) (exp b))))
4.0ms
(log (+ (exp a) (exp b)))
6.0ms
(cbrt (pow (- a (log (+ (exp a) (exp b)))) 3))

series170.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(pow (- a (log (+ (exp a) (exp b)))) 3)
31.0ms
(- a (log (+ (exp a) (exp b))))
34.0ms
(log (+ (exp a) (exp b)))
41.0ms
(cbrt (pow (- a (log (+ (exp a) (exp b)))) 3))

simplify471.0ms

Counts
108 → 108
Iterations

Useful iterations: done (468.0ms)

IterNodesCost
01451742
13451454
211341343
done50011322

prune254.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

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)))

series81.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(- (* 1/2 (- a b)) (log 2))
47.0ms
(exp (- (* 1/2 (- a b)) (log 2)))

simplify829.0ms

Counts
44 → 44
Iterations

Useful iterations: 3 (180.0ms)

IterNodesCost
072507
1159465
2443409
31664380
done5001380

prune80.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.2b

regimes90.0ms

Accuracy

0% (0.3b remaining)

Error of 0.6b against oracle of 0.3b and baseline of 0.6b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
178
done78

end0.0ms

sample1.6s

Algorithm
intervals
Results
1.3s3510×body10240exit
181.0ms8000×body80valid