Details

Time bar (total: 9.3s)

sample47.0ms

Algorithm
intervals
Results
30.0ms88×body10240exit
6.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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)))

rewrite31.0ms

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))
19.0ms
(/ (exp a) (+ (exp a) (exp b)))

series61.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(+ (exp a) (exp b))
40.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify1.6s

Counts
51 → 51
Iterations

Useful iterations: 3 (153.0ms)

IterNodesCost
078616
1164587
2382548
3730546
41872546
done5000546

prune116.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.2b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- a (log (+ (exp a) (exp b)))))
0.0b
(+ (exp a) (exp b))
0.6b
(- a (log (+ (exp a) (exp b))))
2.9b
(log (+ (exp a) (exp b)))

rewrite53.0ms

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:
18.0ms
(exp (- a (log (+ (exp a) (exp b)))))
10.0ms
(+ (exp a) (exp b))
16.0ms
(- a (log (+ (exp a) (exp b))))
8.0ms
(log (+ (exp a) (exp b)))

series154.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(exp (- a (log (+ (exp a) (exp b)))))
20.0ms
(+ (exp a) (exp b))
40.0ms
(- a (log (+ (exp a) (exp b))))
38.0ms
(log (+ (exp a) (exp b)))

simplify1.3s

Counts
80 → 80
Iterations

Useful iterations: 3 (201.0ms)

IterNodesCost
0107890
1234819
2480746
3934742
42098742
done5000742

prune198.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
36×exp-prod times-frac
30×add-sqr-sqrt add-cube-cbrt
19×log-pow
11×distribute-lft-out
add-log-exp
associate-/r/ add-cbrt-cube
pow1 add-exp-log
flip3-+ associate-/r* flip-+
log-prod div-inv associate-/l*
cbrt-undiv +-commutative frac-2neg div-exp rem-log-exp clear-num sum-log rem-exp-log
Counts
4 → 101
Calls
4 calls:
10.0ms
(+ (exp a) (exp b))
35.0ms
(exp (/ (exp a) (+ (exp a) (exp b))))
36.0ms
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
19.0ms
(/ (exp a) (+ (exp a) (exp b)))

series150.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(+ (exp a) (exp b))
51.0ms
(exp (/ (exp a) (+ (exp a) (exp b))))
36.0ms
(log (exp (/ (exp a) (+ (exp a) (exp b)))))
39.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify1.5s

Counts
113 → 113
Iterations

Useful iterations: 4 (564.0ms)

IterNodesCost
01331368
12371244
25061159
39341153
421821152
done50011152

prune293.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (exp a))
0.0b
(log (pow (exp (exp a)) (/ 1 (+ (exp a) (exp b)))))
0.0b
(/ 1 (+ (exp a) (exp b)))
0.3b
(pow (exp (exp a)) (/ 1 (+ (exp a) (exp b))))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
26×add-sqr-sqrt add-cube-cbrt
24×times-frac
18×pow-unpow
add-exp-log
log-prod distribute-lft-out
pow1 unpow-prod-down exp-prod add-cbrt-cube
add-log-exp
pow-pow associate-/r* associate-/r/
rem-log-exp associate-/l*
pow-to-exp flip3-+ div-exp pow-exp flip-+ div-inv sqr-pow
cbrt-undiv rec-exp pow-flip frac-2neg 1-exp clear-num log-pow rem-exp-log inv-pow
Counts
4 → 101
Calls
4 calls:
4.0ms
(exp (exp a))
5.0ms
(log (pow (exp (exp a)) (/ 1 (+ (exp a) (exp b)))))
18.0ms
(/ 1 (+ (exp a) (exp b)))
15.0ms
(pow (exp (exp a)) (/ 1 (+ (exp a) (exp b))))

series401.0ms

Counts
4 → 12
Calls
4 calls:
225.0ms
(exp (exp a))
73.0ms
(log (pow (exp (exp a)) (/ 1 (+ (exp a) (exp b)))))
32.0ms
(/ 1 (+ (exp a) (exp b)))
71.0ms
(pow (exp (exp a)) (/ 1 (+ (exp a) (exp b))))

simplify1.1s

Counts
113 → 113
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01481417
13261229
27201092
317391072
done50001063

prune257.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes109.0ms

Accuracy

0% (0.3b remaining)

Error of 0.8b against oracle of 0.5b and baseline of 0.8b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01012
11312
done1312

end0.0ms

sample1.6s

Algorithm
intervals
Results
1.2s3336×body10240exit
179.0ms8000×body80valid