Details

Time bar (total: 6.8s)

sample127.0ms

Algorithm
intervals
Results
69.0ms59×body2560valid
27.0ms67×body1280valid
14.0ms62×body640valid
7.0ms42×body320valid
2.0ms17×body160valid
1.0msbody80valid

simplify6.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0114
1144
2164
3164

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize8.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
2.6b
(- 1.0 (cos x))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
fma-neg associate-/r*
pow1 expm1-log1p-u flip3-- flip-- log1p-expm1-u associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 68
Calls
2 calls:
9.0ms
(/ (- 1.0 (cos x)) (sin x))
4.0ms
(- 1.0 (cos x))

series64.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (- 1.0 (cos x)) (sin x))
19.0ms
(- 1.0 (cos x))

simplify37.0ms

Algorithm
egg-herbie
Counts
74 → 74
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0292569
1965460
25002460

prune193.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.2b

localize8.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1 (/ (sin x) (- 1.0 (cos x))))
0.2b
(/ (sin x) (- 1.0 (cos x)))
2.6b
(- 1.0 (cos x))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
112×add-sqr-sqrt *-un-lft-identity
78×add-cube-cbrt
26×associate-/r*
17×distribute-lft-out-- difference-of-squares
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
prod-diff
div-exp
flip3-- flip-- div-inv associate-/l*
add-log-exp
pow1 cbrt-undiv
expm1-log1p-u fma-neg log1p-expm1-u
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log inv-pow
Counts
3 → 177
Calls
3 calls:
14.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
7.0ms
(/ (sin x) (- 1.0 (cos x)))
3.0ms
(- 1.0 (cos x))

series97.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
36.0ms
(/ (sin x) (- 1.0 (cos x)))
19.0ms
(- 1.0 (cos x))

simplify68.0ms

Algorithm
egg-herbie
Counts
186 → 186
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
05721779
126361549
250011441

prune321.0ms

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (sin x) (- 1.0 (cos x)))
0.2b
(exp (/ 1 (/ (sin x) (- 1.0 (cos x)))))
1.7b
(log (exp (/ 1 (/ (sin x) (- 1.0 (cos x))))))
2.6b
(- 1.0 (cos x))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
231×times-frac
166×add-sqr-sqrt *-un-lft-identity
136×exp-prod
120×add-cube-cbrt
69×log-pow
23×distribute-lft-out-- difference-of-squares
16×associate-/r/
prod-diff div-inv
flip3-- flip--
add-log-exp
add-exp-log add-cbrt-cube
pow1 associate-/r*
expm1-log1p-u log1p-expm1-u
log-prod fma-neg associate-/l*
cbrt-undiv sub-neg frac-2neg diff-log div-exp rem-log-exp clear-num rem-exp-log
Counts
4 → 227
Calls
4 calls:
7.0ms
(/ (sin x) (- 1.0 (cos x)))
24.0ms
(exp (/ 1 (/ (sin x) (- 1.0 (cos x)))))
31.0ms
(log (exp (/ 1 (/ (sin x) (- 1.0 (cos x))))))
4.0ms
(- 1.0 (cos x))

series145.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(/ (sin x) (- 1.0 (cos x)))
43.0ms
(exp (/ 1 (/ (sin x) (- 1.0 (cos x)))))
41.0ms
(log (exp (/ 1 (/ (sin x) (- 1.0 (cos x))))))
19.0ms
(- 1.0 (cos x))

simplify63.0ms

Algorithm
egg-herbie
Counts
239 → 239
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
05931886
121791647
250021502

prune684.0ms

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (sin x))
0.2b
(* (- 1.0 (cos x)) (/ 1 (sin x)))
2.6b
(- 1.0 (cos x))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
31×*-un-lft-identity
26×add-cube-cbrt
20×times-frac
16×add-exp-log
13×associate-*r*
10×add-cbrt-cube
prod-diff
pow1
associate-*l* add-log-exp
div-exp prod-exp
expm1-log1p-u flip3-- fma-neg associate-/r* flip-- log1p-expm1-u associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv distribute-lft-out-- difference-of-squares
sub-neg pow-flip frac-2neg diff-log associate-*r/ pow-prod-down clear-num un-div-inv *-commutative inv-pow
Counts
3 → 105
Calls
3 calls:
2.0ms
(/ 1 (sin x))
20.0ms
(* (- 1.0 (cos x)) (/ 1 (sin x)))
3.0ms
(- 1.0 (cos x))

series69.0ms

Counts
3 → 9
Calls
3 calls:
13.0ms
(/ 1 (sin x))
36.0ms
(* (- 1.0 (cos x)) (/ 1 (sin x)))
19.0ms
(- 1.0 (cos x))

simplify53.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0381728
11613574
25002548

prune193.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 0.1b

regimes359.0ms

Accuracy

97.9% (0.6b remaining)

Error of 0.8b against oracle of 0.2b and baseline of 30.3b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03531
13531

end0.0ms

sample4.1s

Algorithm
intervals
Results
2.1s1600×body2560valid
1.2s2746×body1280valid
449.0ms1888×body640valid
154.0ms937×body320valid
51.0ms445×body160valid
24.0ms383×body80valid
3.0msbody5120valid