Details

Time bar (total: 4.7s)

sample86.0ms

Algorithm
intervals
Results
64.0ms116×body10240exit
8.0ms256×body80valid

simplify2.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.0b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite32.0ms

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:
10.0ms
(+ (exp a) (exp b))
20.0ms
(/ (exp a) (+ (exp a) (exp b)))

series73.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(+ (exp a) (exp b))
51.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify80.0ms

Counts
51 → 51

prune117.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

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)))))
1.2b
(- a (log (+ (exp a) (exp b))))
2.9b
(log (+ (exp a) (exp b)))

rewrite59.0ms

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))
19.0ms
(exp (- a (log (+ (exp a) (exp b)))))
14.0ms
(- a (log (+ (exp a) (exp b))))
13.0ms
(log (+ (exp a) (exp b)))

series155.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(+ (exp a) (exp b))
58.0ms
(exp (- a (log (+ (exp a) (exp b)))))
36.0ms
(- a (log (+ (exp a) (exp b))))
40.0ms
(log (+ (exp a) (exp b)))

simplify81.0ms

Counts
80 → 80

prune207.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- a (log (+ (exp a) (exp b)))))
0.1b
(log (exp (exp (- a (log (+ (exp a) (exp b)))))))
1.2b
(- a (log (+ (exp a) (exp b))))
2.9b
(log (+ (exp a) (exp b)))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
13×add-sqr-sqrt exp-prod
11×log-prod log-pow
add-cube-cbrt
pow1 log-div exp-sum
add-log-exp
associate--r-
add-exp-log
flip3-+ add-cbrt-cube flip-+ associate--r+ distribute-lft-out--
sub-neg
diff-log rem-log-exp rem-exp-log distribute-lft-out difference-of-squares
flip3-- exp-diff flip--
Counts
4 → 75
Calls
4 calls:
21.0ms
(exp (- a (log (+ (exp a) (exp b)))))
24.0ms
(log (exp (exp (- a (log (+ (exp a) (exp b)))))))
13.0ms
(- a (log (+ (exp a) (exp b))))
9.0ms
(log (+ (exp a) (exp b)))

series182.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(exp (- a (log (+ (exp a) (exp b)))))
55.0ms
(log (exp (exp (- a (log (+ (exp a) (exp b)))))))
36.0ms
(- a (log (+ (exp a) (exp b))))
39.0ms
(log (+ (exp a) (exp b)))

simplify77.0ms

Counts
87 → 87

prune246.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 3 expressions with local error:

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

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
13×add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
diff-log
pow1 add-exp-log associate-+l+ log-prod exp-prod sum-log add-cbrt-cube rem-exp-log
sub-neg exp-sum
+-commutative flip3-- flip3-+ exp-diff flip-- flip-+ associate--r+
Counts
3 → 44
Calls
3 calls:
15.0ms
(- (* 1/2 a) (+ (log 2) (* 1/2 b)))
8.0ms
(+ (log 2) (* 1/2 b))
52.0ms
(exp (- (* 1/2 a) (+ (log 2) (* 1/2 b))))

series295.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(- (* 1/2 a) (+ (log 2) (* 1/2 b)))
203.0ms
(+ (log 2) (* 1/2 b))
54.0ms
(exp (- (* 1/2 a) (+ (log 2) (* 1/2 b))))

simplify71.0ms

Counts
53 → 53

prune130.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.2b

regimes93.0ms

Accuracy

0% (0.3b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 0.7b

bsearch0.0ms

simplify1.0ms

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.9s3415×body10240exit
319.0ms8000×body80valid