Details

Time bar (total: 32.1s)

sample108.0ms

Algorithm
intervals
Results
78.0ms148×body10240exit
11.0ms256×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: 0.3b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.3b
(/ (exp a) (+ (exp a) (exp b)))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
12×add-sqr-sqrt add-cube-cbrt times-frac
distribute-lft-out
associate-/r* add-cbrt-cube add-log-exp
add-exp-log fma-def associate-/l*
pow1 expm1-log1p-u flip3-+ associate-/r/ flip-+ log1p-expm1-u
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 52
Calls
2 calls:
88.0ms
(+ (exp a) (exp b))
39.0ms
(/ (exp a) (+ (exp a) (exp b)))

series104.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(+ (exp a) (exp b))
65.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify5.2s

Counts
58 → 58
Iterations
IterNodes
done5000
42463
3987
2502
1184
082

prune459.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize56.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp a) (exp b))
0.2b
(expm1 (/ (exp a) (+ (exp a) (exp b))))
0.3b
(/ (exp a) (+ (exp a) (exp b)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
13×add-sqr-sqrt add-cube-cbrt
12×times-frac
add-cbrt-cube distribute-lft-out add-log-exp
add-exp-log associate-/r* log1p-expm1-u
pow1 expm1-log1p-u fma-def associate-/l*
flip3-+ associate-/r/ flip-+
cbrt-undiv +-commutative expm1-log1p frac-2neg div-exp clear-num sum-log div-inv expm1-udef
Counts
3 → 63
Calls
3 calls:
22.0ms
(+ (exp a) (exp b))
1.0ms
(expm1 (/ (exp a) (+ (exp a) (exp b))))
43.0ms
(/ (exp a) (+ (exp a) (exp b)))

series256.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(+ (exp a) (exp b))
137.0ms
(expm1 (/ (exp a) (+ (exp a) (exp b))))
75.0ms
(/ (exp a) (+ (exp a) (exp b)))

simplify4.3s

Counts
72 → 72
Iterations
IterNodes
done5000
43440
31357
2603
1225
0101

prune649.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize54.0ms

Local error

Found 2 expressions with local error:

0.0b
(log1p (fma (exp 1/2) (fma b -1/4 (fma 1/4 a 1)) -1))
0.2b
(fma (exp 1/2) (fma b -1/4 (fma 1/4 a 1)) -1)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
expm1-log1p-u
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u add-log-exp
log1p-udef log1p-expm1 fma-udef
Counts
2 → 21
Calls
2 calls:
0.0ms
(log1p (fma (exp 1/2) (fma b -1/4 (fma 1/4 a 1)) -1))
0.0ms
(fma (exp 1/2) (fma b -1/4 (fma 1/4 a 1)) -1)

series414.0ms

Counts
2 → 6
Calls
2 calls:
262.0ms
(log1p (fma (exp 1/2) (fma b -1/4 (fma 1/4 a 1)) -1))
151.0ms
(fma (exp 1/2) (fma b -1/4 (fma 1/4 a 1)) -1)

simplify5.3s

Counts
27 → 27
Iterations
IterNodes
done5000
44037
31035
2362
1148
065

prune265.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize64.0ms

Local error

Found 4 expressions with local error:

0.0b
(log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1))
0.0b
(log1p (log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1)))
0.2b
(fma (fma 1/4 (- a b) 1) (sqrt E) -1)
0.2b
(expm1 (log1p (log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
expm1-log1p-u
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u add-log-exp
log1p-udef log1p-expm1
expm1-log1p fma-udef expm1-udef
Counts
4 → 43
Calls
4 calls:
1.0ms
(log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1))
1.0ms
(log1p (log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1)))
1.0ms
(fma (fma 1/4 (- a b) 1) (sqrt E) -1)
1.0ms
(expm1 (log1p (log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1))))

series5.4s

Counts
4 → 12
Calls
4 calls:
273.0ms
(log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1))
2.3s
(log1p (log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1)))
161.0ms
(fma (fma 1/4 (- a b) 1) (sqrt E) -1)
2.7s
(expm1 (log1p (log1p (fma (fma 1/4 (- a b) 1) (sqrt E) -1))))

simplify3.9s

Counts
55 → 55
Iterations
IterNodes
done5002
21448
1414
0157

prune547.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

regimes368.0ms

Accuracy

0% (0.1b remaining)

Error of 0.7b against oracle of 0.6b and baseline of 0.7b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done9
19
08

end0.0ms

sample4.4s

Algorithm
intervals
Results
3.5s3467×body10240exit
544.0ms8000×body80valid