Details

Time bar (total: 25.3s)

sample671.0ms

Algorithm
intervals
Results
523.0ms195×body10240exit
30.0ms427×body80nan
16.0ms237×body80valid
4.0ms21×body160valid

simplify4.4s

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

localize22.0ms

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)

rewrite83.0ms

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:
52.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
11.0ms
(- (exp (* 2.0 x)) 1.0)
14.0ms
(- (exp x) 1.0)

series141.0ms

Counts
3 → 9
Calls
3 calls:
77.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
36.0ms
(- (exp (* 2.0 x)) 1.0)
28.0ms
(- (exp x) 1.0)

simplify2.9s

Counts
119 → 119
Iterations
IterNodes
done5004
33308
2981
1412
0171

prune556.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize23.0ms

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))

rewrite55.0ms

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)))
30.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
19.0ms
(- (exp x) 1.0)
1.0ms
(fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0))

series353.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(sqrt (exp (* 2.0 x)))
165.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (sqrt (exp (* 2.0 x))) (- 1.0)) (- (exp x) 1.0))
17.0ms
(- (exp x) 1.0)
143.0ms
(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

prune548.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize39.0ms

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))))

rewrite50.0ms

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:
25.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
16.0ms
(- (exp x) 1.0)
0.0ms
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
3.0ms
(log (sqrt (exp (* 2.0 x))))

series529.0ms

Counts
4 → 12
Calls
4 calls:
194.0ms
(/ (fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0)) (- (exp x) 1.0))
16.0ms
(- (exp x) 1.0)
128.0ms
(fma (sqrt (exp (* 2.0 x))) (exp (log (sqrt (exp (* 2.0 x))))) (- 1.0))
191.0ms
(log (sqrt (exp (* 2.0 x))))

simplify2.4s

Counts
110 → 110
Iterations
IterNodes
done5007
32341
2794
1336
0174

prune749.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
2 → 25
Calls
2 calls:
0.0ms
(fma x (fma 0.4999999999999998 x 1.0) 2.0)
1.0ms
(sqrt (fma x (fma 0.4999999999999998 x 1.0) 2.0))

series170.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(fma x (fma 0.4999999999999998 x 1.0) 2.0)
125.0ms
(sqrt (fma x (fma 0.4999999999999998 x 1.0) 2.0))

simplify1.8s

Counts
31 → 31
Iterations
IterNodes
done5002
31452
2418
1147
065

prune129.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes54.0ms

Accuracy

78.6% (0.7b remaining)

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

bsearch67.0ms

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

simplify5.0ms

Iterations
IterNodes
done22
122
021

end0.0ms

sample7.1s

Algorithm
intervals
Results
3.7s6556×body10240exit
2.2s12569×body80nan
570.0ms7407×body80valid
103.0ms716×body160valid