Details

Time bar (total: 20.6s)

sample585.0ms

Algorithm
intervals
Results
382.0ms427×body80nan
84.0ms195×body10240exit
15.0ms237×body80valid
3.0ms21×body160valid

simplify1.6s

Counts
1 → 1
Iterations
IterNodes
done5001
6767
5185
476
341
228
119
010

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.7b

localize38.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
4.1b
(- (exp (* 2.0 x)) 1.0)
4.2b
(- (exp x) 1.0)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
57×add-sqr-sqrt *-un-lft-identity
29×add-cube-cbrt
25×times-frac
18×prod-diff
14×distribute-lft-out-- difference-of-squares
add-log-exp
fma-neg
associate-/r* add-cbrt-cube add-exp-log associate-/l*
flip3-- flip--
expm1-log1p-u pow1 log1p-expm1-u
sub-neg diff-log associate-/r/ associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp div-inv
Counts
3 → 110
Calls
3 calls:
34.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
12.0ms
(- (exp (* 2.0 x)) 1.0)
12.0ms
(- (exp x) 1.0)

series156.0ms

Counts
3 → 9
Calls
3 calls:
80.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
44.0ms
(- (exp (* 2.0 x)) 1.0)
31.0ms
(- (exp x) 1.0)

simplify1.3s

Counts
119 → 119
Iterations
IterNodes
done5000
21331
1413
0171

prune511.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (exp (* 2.0 x)))
0.0b
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
4.2b
(- (exp x) 1.0)
4.2b
(fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
32×*-un-lft-identity
22×add-cube-cbrt
15×times-frac
prod-diff
add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-/r* distribute-lft-out-- difference-of-squares
expm1-log1p-u log1p-expm1-u
sqrt-pow1 fma-neg sqrt-prod associate-/l*
flip3-- associate-/r/ flip--
cbrt-undiv rem-sqrt-square exp-prod clear-num sub-neg frac-2neg exp-to-pow pow1/2 diff-log div-exp fma-udef div-inv
Counts
4 → 94
Calls
4 calls:
3.0ms
(sqrt (exp (* 2.0 x)))
28.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
18.0ms
(- (exp x) 1.0)
1.0ms
(fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0))

series398.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(sqrt (exp (* 2.0 x)))
189.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
25.0ms
(- (exp x) 1.0)
137.0ms
(fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0))

simplify2.8s

Counts
106 → 106
Iterations
IterNodes
done5000
34905
2915
1316
0157

prune500.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
4.2b
(- (exp x) 1.0)
4.2b
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
5.4b
(log (sqrt (exp (* 2.0 x))))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt *-un-lft-identity
23×add-cube-cbrt
15×times-frac
prod-diff
add-exp-log add-log-exp
pow1 log-prod add-cbrt-cube
associate-/r* log-pow distribute-lft-out-- difference-of-squares
expm1-log1p-u log1p-expm1-u
sqrt-pow1 fma-neg sqrt-prod associate-/l*
flip3-- associate-/r/ flip--
cbrt-undiv exp-prod clear-num sub-neg frac-2neg exp-to-pow pow1/2 diff-log div-exp rem-log-exp fma-udef div-inv
Counts
4 → 98
Calls
4 calls:
22.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
13.0ms
(- (exp x) 1.0)
0.0ms
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
4.0ms
(log (sqrt (exp (* 2.0 x))))

series441.0ms

Counts
4 → 12
Calls
4 calls:
144.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
22.0ms
(- (exp x) 1.0)
101.0ms
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
174.0ms
(log (sqrt (exp (* 2.0 x))))

simplify2.7s

Counts
110 → 110
Iterations
IterNodes
done5000
34873
2958
1337
0174

prune637.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 2 expressions with local error:

0.1b
(* x (fma 0.4999999999999998 x 1.0))
26.2b
(sqrt (+ 2.0 (* x (fma 0.4999999999999998 x 1.0))))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log
associate-*r* associate-*l* sqrt-prod
expm1-log1p-u sqrt-div fma-udef log1p-expm1-u add-log-exp
distribute-rgt-in rem-sqrt-square distribute-lft-in sqrt-pow1 flip3-+ pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
2 → 39
Calls
2 calls:
11.0ms
(* x (fma 0.4999999999999998 x 1.0))
8.0ms
(sqrt (+ 2.0 (* x (fma 0.4999999999999998 x 1.0))))

series232.0ms

Counts
2 → 6
Calls
2 calls:
101.0ms
(* x (fma 0.4999999999999998 x 1.0))
131.0ms
(sqrt (+ 2.0 (* x (fma 0.4999999999999998 x 1.0))))

simplify1.0s

Counts
45 → 45
Iterations
IterNodes
done5000
2946
1244
0103

prune181.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes62.0ms

Accuracy

78.6% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 3.4b

bsearch50.0ms

Steps
ItersRangePoint
7
-0.00027856517442265854
-4.347642122658769e-06
-9.471958066473225e-06

simplify5.0ms

Iterations
IterNodes
done25
125
022

end0.0ms

sample7.1s

Algorithm
intervals
Results
4.3s6556×body10240exit
1.2s7407×body80valid
912.0ms12569×body80nan
157.0ms716×body160valid