Details

Time bar (total: 25.9s)

sample329.0ms

Algorithm
intervals
Results
93.0ms195×body10240exit
79.0ms237×body80valid
34.0ms427×body80nan
4.0ms21×body160valid

simplify4.6s

Counts
1 → 1
Iterations
IterNodes
done5000
84825
71216
6342
5135
466
338
227
119
010

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.7b

localize42.0ms

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)

rewrite114.0ms

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:
61.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
22.0ms
(- (exp (* 2.0 x)) 1.0)
22.0ms
(- (exp x) 1.0)

series157.0ms

Counts
3 → 9
Calls
3 calls:
89.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
28.0ms
(- (exp (* 2.0 x)) 1.0)
39.0ms
(- (exp x) 1.0)

simplify3.0s

Counts
119 → 119
Iterations
IterNodes
done5004
33308
2981
1412
0171

prune557.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize22.0ms

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:
5.0ms
(sqrt (exp (* 2.0 x)))
24.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
17.0ms
(- (exp x) 1.0)
0.0ms
(fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0))

series314.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(sqrt (exp (* 2.0 x)))
149.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
19.0ms
(- (exp x) 1.0)
114.0ms
(fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0))

simplify2.4s

Counts
106 → 106
Iterations
IterNodes
done5000
32465
2778
1315
0157

prune565.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize47.0ms

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))))

rewrite43.0ms

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:
18.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
10.0ms
(- (exp x) 1.0)
0.0ms
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
8.0ms
(log (sqrt (exp (* 2.0 x))))

series844.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
24.0ms
(- (exp x) 1.0)
119.0ms
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
543.0ms
(log (sqrt (exp (* 2.0 x))))

simplify2.4s

Counts
110 → 110
Iterations
IterNodes
done5007
32341
2794
1336
0174

prune728.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 1 expressions with local error:

26.2b
(sqrt (fma x (fma x 0.5 1.0) 2.0))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 add-exp-log log1p-expm1-u add-log-exp
Counts
1 → 15
Calls
1 calls:
7.0ms
(sqrt (fma x (fma x 0.5 1.0) 2.0))

series139.0ms

Counts
1 → 3
Calls
1 calls:
139.0ms
(sqrt (fma x (fma x 0.5 1.0) 2.0))

simplify2.8s

Counts
18 → 18
Iterations
IterNodes
done5000
44664
31112
2354
1126
053

prune80.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes32.0ms

Accuracy

78.6% (0.7b remaining)

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

bsearch40.0ms

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

simplify4.0ms

Iterations
IterNodes
done22
122
021

end0.0ms

sample6.4s

Algorithm
intervals
Results
3.9s6556×body10240exit
1.2s12569×body80nan
567.0ms7407×body80valid
94.0ms716×body160valid