Details

Time bar (total: 11.9s)

sample82.0ms

Algorithm
intervals
Results
24.0ms64×body1280valid
20.0ms76×body10240exit
11.0ms49×body640valid
5.0ms29×body320valid
4.0ms98×body80valid
2.0ms16×body160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.7b

localize14.0ms

Local error

Found 2 expressions with local error:

1.0b
(/ (exp x) (- (exp x) 1.0))
3.7b
(- (exp x) 1.0)

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
fma-neg add-exp-log associate-/l*
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 67
Calls
2 calls:
35.0ms
(/ (exp x) (- (exp x) 1.0))
19.0ms
(- (exp x) 1.0)

series58.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(/ (exp x) (- (exp x) 1.0))
19.0ms
(- (exp x) 1.0)

simplify662.0ms

Counts
73 → 73
Iterations
IterNodes
done5000
2897
1253
0117

prune341.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (fma 1/12 x 1/2) (/ 1 x))
0.1b
(fma 1/12 x 1/2)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-log-exp
add-sqr-sqrt fma-def add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log fma-udef log1p-expm1-u distribute-lft-out
+-commutative associate-+l+ sum-log flip3-+ flip-+ div-inv
Counts
2 → 29
Calls
2 calls:
18.0ms
(+ (fma 1/12 x 1/2) (/ 1 x))
1.0ms
(fma 1/12 x 1/2)

series74.0ms

Counts
2 → 6
Calls
2 calls:
17.0ms
(+ (fma 1/12 x 1/2) (/ 1 x))
57.0ms
(fma 1/12 x 1/2)

simplify2.6s

Counts
35 → 35
Iterations
IterNodes
done5000
33869
2503
1115
042

prune229.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
0.0b
(/ 1.0 (exp x))
3.7b
(- 1 (/ 1.0 (exp x)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
99×add-sqr-sqrt
79×*-un-lft-identity
70×times-frac
59×add-cube-cbrt
39×prod-diff
20×difference-of-squares
11×associate-/r*
add-exp-log
add-cbrt-cube
associate-/l*
div-inv distribute-lft-out-- add-log-exp
pow1
expm1-log1p-u fma-neg div-exp log1p-expm1-u
cbrt-undiv clear-num frac-2neg flip3-- associate-/r/ flip--
rec-exp sub-neg diff-log 1-exp pow-flip inv-pow
Counts
3 → 145
Calls
3 calls:
29.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
6.0ms
(/ 1.0 (exp x))
25.0ms
(- 1 (/ 1.0 (exp x)))

series138.0ms

Counts
3 → 9
Calls
3 calls:
75.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
23.0ms
(/ 1.0 (exp x))
39.0ms
(- 1 (/ 1.0 (exp x)))

simplify2.3s

Counts
154 → 154
Iterations
IterNodes
done5001
22401
1609
0257

prune355.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.8b
(/ (fma 1.0 (- 1.0) (exp (+ x x))) (+ 1.0 (exp x)))
1.0b
(/ (exp x) (/ (fma 1.0 (- 1.0) (exp (+ x x))) (+ 1.0 (exp x))))
3.7b
(fma 1.0 (- 1.0) (exp (+ x x)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
114×times-frac
99×*-un-lft-identity
65×add-sqr-sqrt add-cube-cbrt
22×associate-/r*
17×distribute-lft-out
11×add-cbrt-cube associate-/r/
add-exp-log
flip3-+ flip-+ div-inv associate-/l* add-log-exp
expm1-log1p-u pow1 cbrt-undiv div-exp log1p-expm1-u
fma-def
clear-num frac-2neg
+-commutative sum-log fma-udef
Counts
4 → 154
Calls
4 calls:
5.0ms
(+ 1.0 (exp x))
14.0ms
(/ (fma 1.0 (- 1.0) (exp (+ x x))) (+ 1.0 (exp x)))
27.0ms
(/ (exp x) (/ (fma 1.0 (- 1.0) (exp (+ x x))) (+ 1.0 (exp x))))
1.0ms
(fma 1.0 (- 1.0) (exp (+ x x)))

series221.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(+ 1.0 (exp x))
71.0ms
(/ (fma 1.0 (- 1.0) (exp (+ x x))) (+ 1.0 (exp x)))
90.0ms
(/ (exp x) (/ (fma 1.0 (- 1.0) (exp (+ x x))) (+ 1.0 (exp x))))
51.0ms
(fma 1.0 (- 1.0) (exp (+ x x)))

simplify1.2s

Counts
166 → 166
Iterations
IterNodes
done5000
23278
1580
0233

prune722.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes91.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 21.6b

bsearch1.0ms

simplify4.0ms

Iterations
IterNodes
done37
137
031

end0.0ms

sample2.6s

Algorithm
intervals
Results
764.0ms2544×body10240exit
715.0ms1611×body640valid
617.0ms2289×body1280valid
136.0ms2894×body80valid
95.0ms792×body320valid
35.0ms417×body160valid