Details

Time bar (total: 6.8m)

sample49.6s

Algorithm
intervals
Results
49.0s3422×body10240exit
256.0ms3679×pre80true
30.0ms252×body80valid
6.0msbody1280valid
1.0msbody160valid

simplify606.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02243
15343
214743
383943
done500143

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.5b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(- 1.0 (/ 1.0 (+ 1.0 (exp (- s)))))
0.5b
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
0.7b
(pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p)
2.9b
(/ (* (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)))

rewrite281.0ms

Algorithm
rewrite-expression-head
Rules
556×add-exp-log
312×prod-exp
264×pow-exp
249×div-exp
184×pow-to-exp
97×*-un-lft-identity
70×add-sqr-sqrt
65×add-cube-cbrt
62×times-frac
54×prod-diff
36×unpow-prod-down
16×add-cbrt-cube
15×distribute-lft-out
10×associate-/r/
pow1 pow-unpow div-inv add-log-exp
flip3-+ flip-+
cbrt-undiv expm1-log1p-u cbrt-unprod log1p-expm1-u
fma-neg
pow-pow difference-of-squares sqr-pow
sub-neg flip3-- frac-2neg diff-log clear-num associate-/r* flip-- associate-/l* distribute-lft-out--
Counts
4 → 332
Calls
4 calls:
42.0ms
(- 1.0 (/ 1.0 (+ 1.0 (exp (- s)))))
20.0ms
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
22.0ms
(pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p)
175.0ms
(/ (* (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)))

series858.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(- 1.0 (/ 1.0 (+ 1.0 (exp (- s)))))
75.0ms
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
75.0ms
(pow (/ 1.0 (+ 1.0 (exp (- t)))) c_p)
656.0ms
(/ (* (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)))

simplify1.4s

Counts
344 → 344
Iterations

Useful iterations: done (1.3s)

IterNodesCost
047114274
1113713014
2319111812
done500011521

prune566.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.9b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 0.5 (* s c_p) 1)
0.0b
(* 0.5 (* s c_n))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l* pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative fma-udef
Counts
2 → 30
Calls
2 calls:
0.0ms
(fma 0.5 (* s c_p) 1)
16.0ms
(* 0.5 (* s c_n))

series60.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(fma 0.5 (* s c_p) 1)
21.0ms
(* 0.5 (* s c_n))

simplify2.8s

Counts
36 → 36
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
052276
1109270
2352227
31191227
42885227
done5000227

prune86.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.9b

localize14.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* 0.5 (* s c_n))) (cbrt (* 0.5 (* s c_n))))
23.1b
(cbrt (* 0.5 (* s c_n)))
23.1b
(cbrt (* 0.5 (* s c_n)))
23.1b
(cbrt (* 0.5 (* s c_n)))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1
10×add-sqr-sqrt
pow1/3
add-cube-cbrt *-un-lft-identity
cbrt-prod
add-exp-log
expm1-log1p-u swap-sqr associate-*r* associate-*l* add-cbrt-cube log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 66
Calls
4 calls:
27.0ms
(* (cbrt (* 0.5 (* s c_n))) (cbrt (* 0.5 (* s c_n))))
15.0ms
(cbrt (* 0.5 (* s c_n)))
11.0ms
(cbrt (* 0.5 (* s c_n)))
11.0ms
(cbrt (* 0.5 (* s c_n)))

series431.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(* (cbrt (* 0.5 (* s c_n))) (cbrt (* 0.5 (* s c_n))))
97.0ms
(cbrt (* 0.5 (* s c_n)))
97.0ms
(cbrt (* 0.5 (* s c_n)))
97.0ms
(cbrt (* 0.5 (* s c_n)))

simplify2.3s

Counts
78 → 78
Iterations

Useful iterations: done (2.3s)

IterNodesCost
090926
1211836
2546740
31447648
44040606
done5000573

prune226.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.9b

localize39.0ms

Local error

Found 4 expressions with local error:

0.0b
(- 1.0 (/ 1.0 (+ 1.0 (exp (- t)))))
0.0b
(- 1.0 (/ 1.0 (+ 1.0 (exp (- s)))))
0.5b
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
1.7b
(/ (* (pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- s))))) c_n)) (* (fma (log 0.5) c_p (fma 0.5 (* t c_p) 1)) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- t))))) c_n)))

rewrite274.0ms

Algorithm
rewrite-expression-head
Rules
169×add-exp-log
145×*-un-lft-identity
109×add-sqr-sqrt
108×prod-diff
99×add-cube-cbrt
87×times-frac prod-exp
65×div-exp
55×pow-exp
42×pow-to-exp
21×distribute-lft-out
18×unpow-prod-down
16×add-cbrt-cube
14×associate-/r/
div-inv add-log-exp
flip3-+ flip-+
fma-neg
pow1
cbrt-undiv expm1-log1p-u cbrt-unprod log1p-expm1-u difference-of-squares
pow-unpow
sub-neg flip3-- diff-log flip-- distribute-lft-out--
pow-pow frac-2neg clear-num associate-/r* associate-/l* sqr-pow
Counts
4 → 254
Calls
4 calls:
42.0ms
(- 1.0 (/ 1.0 (+ 1.0 (exp (- t)))))
42.0ms
(- 1.0 (/ 1.0 (+ 1.0 (exp (- s)))))
20.0ms
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
155.0ms
(/ (* (pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- s))))) c_n)) (* (fma (log 0.5) c_p (fma 0.5 (* t c_p) 1)) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- t))))) c_n)))

series987.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(- 1.0 (/ 1.0 (+ 1.0 (exp (- t)))))
54.0ms
(- 1.0 (/ 1.0 (+ 1.0 (exp (- s)))))
73.0ms
(pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p)
806.0ms
(/ (* (pow (/ 1.0 (+ 1.0 (exp (- s)))) c_p) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- s))))) c_n)) (* (fma (log 0.5) c_p (fma 0.5 (* t c_p) 1)) (pow (- 1.0 (/ 1.0 (+ 1.0 (exp (- t))))) c_n)))

simplify1.6s

Counts
266 → 266
Iterations

Useful iterations: done (1.6s)

IterNodesCost
055011940
1135910677
242188567
done50008555

prune863.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.9b

regimes437.0ms

bsearch4.4s

Steps
ItersRangePoint
3
929.2230967103569
1152.9458673759273
1133.0396377537263
5
5.584792604326362e-120
1.2147547225272793e-119
5.6408403315168225e-120

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04795
15995
done5995

end0.0ms

sample5.6m

Algorithm
intervals
Results
5.6m25783×body10240exit
2.0s27745×pre80true
252.0ms1893×body80valid
56.0msbody5120valid
20.0ms11×body1280valid
15.0ms17×body640valid
10.0msbody2560valid
6.0ms21×body160valid
4.0ms10×body320valid