Details

Time bar (total: 22.9s)

sample186.0ms

Algorithm
intervals
Results
72.0ms253×body10240exit
69.0ms113×body1280valid
22.0ms77×body640valid
7.0ms41×body320valid
2.0ms15×body160valid
1.0ms10×body80valid

simplify3.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11513
22513
33113
44213
55613
65913
79513
811013
915513
1022713
1139513
1296513
13306113
done500113

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.8b

localize10.0ms

Local error

Found 2 expressions with local error:

1.0b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
5.6b
(- (exp x) (exp (- x)))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
44×*-un-lft-identity
32×add-sqr-sqrt
20×add-cube-cbrt times-frac
prod-diff
distribute-lft-out distribute-lft-out-- difference-of-squares
associate-/l*
add-exp-log associate-/r* add-cbrt-cube add-log-exp
fma-neg
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-sub tanh-undef div-exp clear-num flip-+ div-inv
Counts
2 → 77
Calls
2 calls:
83.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
27.0ms
(- (exp x) (exp (- x)))

series164.0ms

Counts
2 → 6
Calls
2 calls:
102.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
61.0ms
(- (exp x) (exp (- x)))

simplify2.7s

Counts
83 → 83
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01341618
13081438
28581284
333571224
done50001224

prune281.0ms

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)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u tanh-def add-log-exp
Counts
1 → 12
Calls
1 calls:
3.0ms
(tanh x)

series125.0ms

Counts
1 → 3
Calls
1 calls:
125.0ms
(tanh x)

simplify1.6s

Counts
15 → 15
Iterations

Useful iterations: 3 (126.0ms)

IterNodesCost
044113
19287
220182
359481
4282681
done500081

prune49.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) (+ (exp x) (exp (- x))))
0.0b
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
12×times-frac
11×add-sqr-sqrt add-cube-cbrt
add-exp-log associate-/r* add-cbrt-cube distribute-lft-out
associate-/l*
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ fma-udef div-inv
Counts
2 → 45
Calls
2 calls:
30.0ms
(/ (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) (+ (exp x) (exp (- x))))
0.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

series217.0ms

Counts
2 → 6
Calls
2 calls:
114.0ms
(/ (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) (+ (exp x) (exp (- x))))
103.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

simplify1.3s

Counts
51 → 51
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01051398
12241366
26381257
323231255
done50021254

prune225.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.3b
(/ (- 1 (exp (* -2 x))) (+ 1 (exp (* -2 x))))
5.6b
(- 1 (exp (* -2 x)))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
57×*-un-lft-identity
41×add-sqr-sqrt
24×times-frac
23×add-cube-cbrt
12×difference-of-squares
prod-diff
distribute-lft-out
add-log-exp
associate-/l* distribute-lft-out--
add-exp-log add-cbrt-cube
associate-/r*
pow1 expm1-log1p-u fma-def fma-neg log1p-expm1-u
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp clear-num sum-log div-inv
Counts
3 → 99
Calls
3 calls:
7.0ms
(+ 1 (exp (* -2 x)))
48.0ms
(/ (- 1 (exp (* -2 x))) (+ 1 (exp (* -2 x))))
12.0ms
(- 1 (exp (* -2 x)))

series89.0ms

Counts
3 → 9
Calls
3 calls:
11.0ms
(+ 1 (exp (* -2 x)))
60.0ms
(/ (- 1 (exp (* -2 x))) (+ 1 (exp (* -2 x))))
18.0ms
(- 1 (exp (* -2 x)))

simplify2.9s

Counts
108 → 108
Iterations

Useful iterations: done (2.9s)

IterNodesCost
01461968
13311686
28571517
330421460
done50001428

prune320.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes27.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
022
done22

end0.0ms

sample9.2s

Algorithm
intervals
Results
5.1s7558×body10240exit
2.4s3398×body1280valid
871.0ms2364×body640valid
322.0ms1213×body320valid
85.0ms606×body160valid
34.0ms419×body80valid