Details

Time bar (total: 19.2s)

sample142.0ms

Algorithm
intervals
Results
54.0ms240×body10240exit
43.0ms106×body1280valid
17.0ms69×body640valid
8.0ms49×body320valid
2.0ms17×body160valid
1.0ms15×body80valid

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11513
22513
33113
44213
55213
65513
78713
810013
913613
1020113
1135513
1289213
13291313
done500013

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.5b

localize7.0ms

Local error

Found 2 expressions with local error:

1.3b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
4.7b
(- (exp x) (exp (- x)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
25×add-sqr-sqrt
20×times-frac
13×add-cube-cbrt
distribute-lft-out distribute-lft-out-- difference-of-squares
associate-/l*
add-exp-log associate-/r* add-cbrt-cube add-log-exp
pow1 flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-sub tanh-undef div-exp clear-num flip-+ div-inv
Counts
2 → 61
Calls
2 calls:
76.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
13.0ms
(- (exp x) (exp (- x)))

series140.0ms

Counts
2 → 6
Calls
2 calls:
96.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
44.0ms
(- (exp x) (exp (- x)))

simplify1.4s

Counts
67 → 67
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01061228
12501185
26501107
316461103
done50011095

prune204.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize4.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube tanh-def add-log-exp
Counts
1 → 10
Calls
1 calls:
3.0ms
(tanh x)

series137.0ms

Counts
1 → 3
Calls
1 calls:
137.0ms
(tanh x)

simplify2.2s

Counts
13 → 13
Iterations

Useful iterations: 2 (54.0ms)

IterNodesCost
042107
18983
219479
354979
4265179
done500179

prune22.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
0.0b
(+ x (* 2/15 (pow x 5)))
0.1b
(* 2/15 (pow x 5))
0.2b
(* 1/3 (pow x 3))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
19×associate-*r*
14×add-exp-log
11×add-cube-cbrt *-un-lft-identity add-log-exp
unpow-prod-down add-cbrt-cube
unswap-sqr
associate-*l* prod-exp
pow1 cube-prod sqr-pow
pow-to-exp diff-log pow-exp sum-log *-commutative cbrt-unprod
+-commutative cube-mult sub-neg flip3-- flip3-+ unpow3 associate--l+ flip-- flip-+
Counts
4 → 81
Calls
4 calls:
41.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
5.0ms
(+ x (* 2/15 (pow x 5)))
11.0ms
(* 2/15 (pow x 5))
16.0ms
(* 1/3 (pow x 3))

series384.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
201.0ms
(+ x (* 2/15 (pow x 5)))
52.0ms
(* 2/15 (pow x 5))
64.0ms
(* 1/3 (pow x 3))

simplify3.2s

Counts
93 → 93
Iterations

Useful iterations: 3 (900.0ms)

IterNodesCost
0133981
1319861
2957823
34564812
done5001812

prune218.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x)))))
1.3b
(/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
4.7b
(- (exp x) (exp (- x)))

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
177×*-un-lft-identity
125×add-sqr-sqrt
81×add-cube-cbrt
31×associate-/r*
26×distribute-lft-out
22×distribute-lft-out-- difference-of-squares
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp
associate-/l*
flip3-- flip-- div-inv
add-log-exp
pow1 cbrt-undiv
rec-exp frac-2neg 1-exp clear-num associate-/l/
sub-neg pow-flip flip3-+ diff-log flip-+ inv-pow
Counts
3 → 187
Calls
3 calls:
60.0ms
(/ 1 (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x)))))
62.0ms
(/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
20.0ms
(- (exp x) (exp (- x)))

series192.0ms

Counts
3 → 9
Calls
3 calls:
78.0ms
(/ 1 (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x)))))
78.0ms
(/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
36.0ms
(- (exp x) (exp (- x)))

simplify2.3s

Counts
196 → 196
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
02374755
15204267
212263936
332343817
done50003817

prune302.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes15.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify0.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
022
done22

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.8s7604×body10240exit
1.4s3256×body1280valid
653.0ms2480×body640valid
195.0ms1227×body320valid
59.0ms606×body160valid
27.0ms431×body80valid