Details

Time bar (total: 1.8m)

sample14.8s

Algorithm
intervals
Results
14.1s1586×body10240exit
399.0ms1735×body80overflowed
101.0ms3577×pre80true
54.0ms247×body80valid
7.0msbody1280valid
6.0msbody5120valid
2.0msbody640valid
1.0msbody160valid
1.0msbody320valid

simplify24.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
05325
114725
285025
3500125

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.2b

localize20.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (+ 1.0 (exp (- t))))
1.5b
(pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p)
1.7b
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
3.4b
(/ (* (pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- s))))) c_n)) (* (pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- t))))) c_n)))

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
558×add-exp-log
312×prod-exp
264×pow-exp
250×div-exp
184×pow-to-exp
51×*-un-lft-identity
37×times-frac
36×unpow-prod-down
31×add-sqr-sqrt add-cube-cbrt
18×add-cbrt-cube
10×distribute-lft-out
pow1 pow-unpow associate-/r/
cbrt-undiv associate-/r*
expm1-log1p-u cbrt-unprod log1p-expm1-u div-inv associate-/l* add-log-exp
flip3-+ flip-+
pow-pow frac-2neg clear-num sqr-pow
Counts
4 → 293
Calls
4 calls:
8.0ms
(/ 1.0 (+ 1.0 (exp (- t))))
10.0ms
(pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p)
11.0ms
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
89.0ms
(/ (* (pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- s))))) c_n)) (* (pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- t))))) c_n)))

series727.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(/ 1.0 (+ 1.0 (exp (- t))))
67.0ms
(pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p)
67.0ms
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
568.0ms
(/ (* (pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- s))))) c_n)) (* (pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- t))))) c_n)))

simplify106.0ms

Algorithm
egg-herbie
Counts
305 → 305
Iterations

Useful iterations: 1 (17.0ms)

IterNodesCost
09936127
133505877
250025877

prune532.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.6b

localize7.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 0.5 (* s c_n))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
associate-*l* pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*r* *-commutative log1p-expm1-u add-log-exp
Counts
1 → 20
Calls
1 calls:
5.0ms
(* 0.5 (* s c_n))

series18.0ms

Counts
1 → 3
Calls
1 calls:
18.0ms
(* 0.5 (* s c_n))

simplify72.0ms

Algorithm
egg-herbie
Counts
23 → 23
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
08877
132062
2123462
3343862
4500262

prune53.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.6b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 0.5 (* s c_n))
0.1b
(expm1 (log1p (* 0.5 (* s c_n))))
0.5b
(log1p (* 0.5 (* s c_n)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity
associate-*l* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u add-log-exp
log1p-udef expm1-log1p log1p-expm1 associate-*r* *-commutative expm1-udef
Counts
3 → 42
Calls
3 calls:
5.0ms
(* 0.5 (* s c_n))
0.0ms
(expm1 (log1p (* 0.5 (* s c_n))))
0.0ms
(log1p (* 0.5 (* s c_n)))

series346.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(* 0.5 (* s c_n))
228.0ms
(expm1 (log1p (* 0.5 (* s c_n))))
100.0ms
(log1p (* 0.5 (* s c_n)))

simplify30.0ms

Algorithm
egg-herbie
Counts
51 → 51
Iterations

Useful iterations: 2 (26.0ms)

IterNodesCost
0265250
11006219
25001209

prune145.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.6b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (log1p (* 0.5 (* s c_n))) 3)
0.1b
(expm1 (cbrt (pow (log1p (* 0.5 (* s c_n))) 3)))
0.5b
(log1p (* 0.5 (* s c_n)))
29.0b
(cbrt (pow (log1p (* 0.5 (* s c_n))) 3))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down cube-prod
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
add-log-exp
pow-unpow
cube-mult unpow3 sqr-pow
pow-to-exp log1p-udef expm1-log1p pow-pow pow1/3 log1p-expm1 pow-exp rem-cbrt-cube expm1-udef rem-cube-cbrt
Counts
4 → 70
Calls
4 calls:
1.0ms
(pow (log1p (* 0.5 (* s c_n))) 3)
0.0ms
(expm1 (cbrt (pow (log1p (* 0.5 (* s c_n))) 3)))
0.0ms
(log1p (* 0.5 (* s c_n)))
1.0ms
(cbrt (pow (log1p (* 0.5 (* s c_n))) 3))

series776.0ms

Counts
4 → 12
Calls
4 calls:
347.0ms
(pow (log1p (* 0.5 (* s c_n))) 3)
227.0ms
(expm1 (cbrt (pow (log1p (* 0.5 (* s c_n))) 3)))
99.0ms
(log1p (* 0.5 (* s c_n)))
102.0ms
(cbrt (pow (log1p (* 0.5 (* s c_n))) 3))

simplify91.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 2 (81.0ms)

IterNodesCost
0920914
14536851
25001849

prune286.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.6b

regimes794.0ms

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05635
15635

end0.0ms

sample1.5m

Algorithm
intervals
Results
1.4m9620×body10240exit
2.3s10552×body80overflowed
550.0ms21746×pre80true
310.0ms1518×body80valid
31.0ms13×body1280valid
23.0msbody5120valid
13.0ms12×body640valid
10.0ms22×body160valid
9.0msbody2560valid
2.0msbody320valid