Details

Time bar (total: 30.1s)

sample61.0ms

Algorithm
intervals
Results
17.0ms37×body1280valid
13.0ms38×body640valid
11.0ms152×body80valid
5.0ms23×body320valid
1.0msbody160valid

simplify12.7s

Counts
1 → 1
Iterations
IterNodes
99494
81963
7550
6229
5103
451
330
222
118
09

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.7b

localize31.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
0.0b
(+ 1 (exp (* -2 x)))
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
101×*-un-lft-identity
74×add-sqr-sqrt
63×times-frac add-cube-cbrt
54×prod-diff
18×fma-neg
17×distribute-lft-out
10×associate-/r/
add-exp-log
add-log-exp
flip3-+ flip-+
add-cbrt-cube div-inv
associate-/r* difference-of-squares
expm1-log1p-u pow1 fma-def insert-posit16 log1p-expm1-u associate-/l*
expm1-def difference-of-sqr-1 div-exp
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 150
Calls
3 calls:
14.0ms
(/ 2 (+ 1 (exp (* -2 x))))
12.0ms
(+ 1 (exp (* -2 x)))
119.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series130.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(/ 2 (+ 1 (exp (* -2 x))))
19.0ms
(+ 1 (exp (* -2 x)))
79.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify1.2s

Counts
159 → 159
Iterations
IterNodes
32098
2870
1407
0183

prune1.5s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1)
0.0b
(/ (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1) (+ (fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1) (/ 2 (+ 1 (exp (* -2 x))))))
0.0b
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
1.8b
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
99×*-un-lft-identity
76×times-frac
61×add-sqr-sqrt
49×add-cube-cbrt
24×swap-sqr
22×distribute-lft-out
18×add-cbrt-cube associate-*r* associate-*l* add-exp-log
11×pow1
10×associate-/r/
cbrt-undiv flip3-+ div-exp flip-+ div-inv
expm1-log1p-u associate-/r* prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
associate-/l*
fma-udef
pow2 frac-times clear-num frac-2neg pow-plus pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
4 → 149
Calls
4 calls:
0.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1)
44.0ms
(/ (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1) (+ (fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1) (/ 2 (+ 1 (exp (* -2 x))))))
65.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
0.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

series972.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1)
303.0ms
(/ (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1) (+ (fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1) (/ 2 (+ 1 (exp (* -2 x))))))
51.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
556.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

simplify992.0ms

Counts
161 → 161
Iterations
IterNodes
22062
1707
0243

prune1.9s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (log (exp (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1))) (+ (fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1) (/ 2 (+ 1 (exp (* -2 x))))))
0.0b
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
1.8b
(log (exp (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)))
1.8b
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

rewrite158.0ms

Algorithm
rewrite-expression-head
Rules
118×*-un-lft-identity
92×times-frac
72×add-sqr-sqrt
60×add-cube-cbrt
26×distribute-lft-out
24×swap-sqr log-pow
18×exp-prod add-cbrt-cube associate-*r* associate-*l* add-exp-log
17×pow1
10×associate-/r/
associate-/l*
cbrt-undiv flip3-+ div-exp flip-+ div-inv
expm1-log1p-u log-prod associate-/r* prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
fma-udef
pow2 frac-times clear-num frac-2neg pow-plus rem-log-exp exp-sum pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
4 → 177
Calls
4 calls:
79.0ms
(/ (log (exp (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1))) (+ (fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1) (/ 2 (+ 1 (exp (* -2 x))))))
69.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
3.0ms
(log (exp (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)))
0.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

series568.0ms

Counts
4 → 12
Calls
4 calls:
309.0ms
(/ (log (exp (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1))) (+ (fma (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))) 1) (/ 2 (+ 1 (exp (* -2 x))))))
46.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
117.0ms
(log (exp (fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)))
96.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

simplify1.2s

Counts
189 → 189
Iterations
IterNodes
22294
1760
0280

prune2.1s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (+ 1 (exp (* -2 x))))
0.4b
(cbrt (+ 1 (exp (* -2 x))))
0.4b
(/ 2 (cbrt (+ 1 (exp (* -2 x)))))
25.2b
(fma (/ 1 (* (cbrt (+ 1 (exp (* -2 x)))) (cbrt (+ 1 (exp (* -2 x)))))) (/ 2 (cbrt (+ 1 (exp (* -2 x))))) -1)

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
24×cbrt-prod
22×add-sqr-sqrt add-cube-cbrt
21×times-frac
associate-/r*
cbrt-div add-exp-log distribute-lft-out
add-cbrt-cube
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u add-log-exp
flip3-+ flip-+ associate-/l*
pow1/3 associate-/r/
cbrt-undiv clear-num frac-2neg div-exp fma-udef div-inv
Counts
4 → 93
Calls
4 calls:
4.0ms
(cbrt (+ 1 (exp (* -2 x))))
4.0ms
(cbrt (+ 1 (exp (* -2 x))))
11.0ms
(/ 2 (cbrt (+ 1 (exp (* -2 x)))))
0.0ms
(fma (/ 1 (* (cbrt (+ 1 (exp (* -2 x)))) (cbrt (+ 1 (exp (* -2 x)))))) (/ 2 (cbrt (+ 1 (exp (* -2 x))))) -1)

series896.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(cbrt (+ 1 (exp (* -2 x))))
102.0ms
(cbrt (+ 1 (exp (* -2 x))))
194.0ms
(/ 2 (cbrt (+ 1 (exp (* -2 x)))))
469.0ms
(fma (/ 1 (* (cbrt (+ 1 (exp (* -2 x)))) (cbrt (+ 1 (exp (* -2 x)))))) (/ 2 (cbrt (+ 1 (exp (* -2 x))))) -1)

simplify866.0ms

Counts
105 → 105
Iterations
IterNodes
32713
2849
1305
0147

prune1.1s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes465.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 29.1b

bsearch2.0ms

simplify8.0ms

Iterations
IterNodes
245
145
038

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.0s1763×body1280valid
951.0ms1192×body640valid
410.0ms4116×body80valid
193.0ms621×body320valid
55.0ms308×body160valid