Details

Time bar (total: 13.4s)

sample130.0ms

Algorithm
intervals
Results
98.0ms111×body10240exit
18.0ms256×body80valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done7
17
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.2b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp a) (exp b))
1.2b
(/ (exp a) (+ (exp a) (exp b)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
12×add-sqr-sqrt times-frac add-cube-cbrt
distribute-lft-out
associate-/r* add-cbrt-cube add-log-exp
fma-def add-exp-log associate-/l*
expm1-log1p-u pow1 flip3-+ associate-/r/ flip-+ insert-posit16 log1p-expm1-u
cbrt-undiv +-commutative clear-num sum-log frac-2neg div-exp div-inv
Counts
2 → 54
Calls
2 calls:
17.0ms
(+ (exp a) (exp b))
30.0ms
(/ (exp a) (+ (exp a) (exp b)))

series108.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(+ (exp a) (exp b))
75.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify1.1s

Counts
60 → 60
Iterations
IterNodes
done2002
42002
31039
2503
1186
084

prune262.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.9b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- a (log (+ (exp a) (exp b)))))
0.0b
(+ (exp a) (exp b))
0.5b
(- a (log (+ (exp a) (exp b))))
3.5b
(log (+ (exp a) (exp b)))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
27×add-sqr-sqrt
24×prod-diff
23×add-cube-cbrt
16×exp-sum
13×pow1
log-pow add-log-exp
log-prod
log-div exp-prod
add-exp-log
expm1-log1p-u flip3-+ add-cbrt-cube flip-+ insert-posit16 log1p-expm1-u associate--r+ distribute-lft-out-- associate--r-
fma-def fma-neg distribute-lft-out
sub-neg diff-log difference-of-squares rem-exp-log
+-commutative sum-log flip3-- exp-diff rem-log-exp flip--
Counts
4 → 110
Calls
4 calls:
31.0ms
(exp (- a (log (+ (exp a) (exp b)))))
18.0ms
(+ (exp a) (exp b))
15.0ms
(- a (log (+ (exp a) (exp b))))
7.0ms
(log (+ (exp a) (exp b)))

series224.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(exp (- a (log (+ (exp a) (exp b)))))
33.0ms
(+ (exp a) (exp b))
58.0ms
(- a (log (+ (exp a) (exp b))))
61.0ms
(log (+ (exp a) (exp b)))

simplify1.1s

Counts
122 → 122
Iterations
IterNodes
done2000
32000
2820
1332
0153

prune598.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.9b

localize30.0ms

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)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
44×prod-diff associate--l+
30×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
28×exp-sum
22×distribute-rgt-in distribute-lft-in
sub-neg
add-log-exp
pow1
log-prod exp-prod associate--r+
expm1-log1p-u add-cbrt-cube diff-log add-exp-log log-pow insert-posit16 log1p-expm1-u rem-exp-log
flip3-- exp-diff fma-neg flip--
Counts
2 → 89
Calls
2 calls:
27.0ms
(- (* 1/2 (- a b)) (log 2))
65.0ms
(exp (- (* 1/2 (- a b)) (log 2)))

series109.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(- (* 1/2 (- a b)) (log 2))
65.0ms
(exp (- (* 1/2 (- a b)) (log 2)))

simplify979.0ms

Counts
95 → 95
Iterations
IterNodes
done2002
32002
2954
1416
0184

prune448.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.9b

localize80.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (exp a) (exp b))
1.0b
(* (/ (exp a) (+ (exp (* 3 b)) (exp (* 3 a)))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
1.2b
(/ (exp a) (+ (exp (* 3 b)) (exp (* 3 a))))
3.6b
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

rewrite700.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
31×add-sqr-sqrt
25×times-frac
24×add-cube-cbrt
21×associate-*l*
13×add-cbrt-cube
add-exp-log
pow1
distribute-lft-out
associate-*r* add-log-exp
expm1-log1p-u associate-/r* flip3-+ associate-/r/ flip-+ insert-posit16 log1p-expm1-u
prod-exp cbrt-unprod associate-/l* unswap-sqr
frac-times cbrt-undiv exp-prod div-exp pow-prod-down associate-*r/ *-commutative div-inv
distribute-rgt-in clear-num sub-neg frac-2neg distribute-lft-in flip3-- distribute-rgt-out-- fma-neg diff-log prod-diff associate-*l/ pow-prod-up flip--
Counts
4 → 122
Calls
4 calls:
13.0ms
(* (exp a) (exp b))
621.0ms
(* (/ (exp a) (+ (exp (* 3 b)) (exp (* 3 a)))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
37.0ms
(/ (exp a) (+ (exp (* 3 b)) (exp (* 3 a))))
27.0ms
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

series300.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* (exp a) (exp b))
169.0ms
(* (/ (exp a) (+ (exp (* 3 b)) (exp (* 3 a)))) (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b)))))
41.0ms
(/ (exp a) (+ (exp (* 3 b)) (exp (* 3 a))))
56.0ms
(- (* (exp b) (exp b)) (* (exp a) (exp b)))

simplify1.3s

Counts
134 → 134
Iterations
IterNodes
done2000
22000
1709
0211

prune920.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.9b

regimes118.0ms

Accuracy

0% (0.2b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done9
19
08

end0.0ms

sample4.6s

Algorithm
intervals
Results
3.1s3430×body10240exit
1.2s8000×body80valid