Details

Time bar (total: 6.5s)

analyze1.0s (15.9%)

Algorithm
search
Search
TrueOtherFalseIter
0%99.9%0.1%0
0%99.9%0.1%1
0%99.9%0.1%2
0%99.9%0.1%3
0%99.9%0.1%4
0%99.9%0.1%5
0%99.9%0.1%6
12.5%87.4%0.1%7
18.7%81.1%0.1%8
26.5%72.9%0.5%9
38.2%60.7%1.1%10
41.7%54.9%3.4%11
47.6%47.4%5%12
53.4%39.4%7.2%13
54.9%34.5%10.6%14

sample62.0ms (1%)

Algorithm
intervals
Results
18.0ms196×body80valid
9.0ms17×body1280valid
6.0ms64×body80invalid
5.0ms15×body640valid
5.0ms20×body320valid
2.0msbody640invalid
1.0msbody160valid
1.0msbody320invalid
1.0msbody1280invalid
1.0msbody160invalid

simplify66.0ms (1%)

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (64.0ms)

IterNodesCost
0484516
1484516

prune17.0ms (0.3%)

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 25.7b

Counts
2 → 2

localize13.0ms (0.2%)

Local error

Found 4 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* x (* x (* (pow c 2.0) (pow s 2.0)))))
4.7b
(* x (* x (* (pow c 2.0) (pow s 2.0))))
6.7b
(* x (* (pow c 2.0) (pow s 2.0)))
16.5b
(* (pow c 2.0) (pow s 2.0))

rewrite37.0ms (0.6%)

Algorithm
rewrite-expression-head
Rules
122×add-exp-log
88×prod-exp
34×add-cbrt-cube
24×add-sqr-sqrt pow-to-exp pow-exp
16×cbrt-unprod
13×associate-*l*
12×add-cube-cbrt unpow-prod-down *-un-lft-identity div-exp
11×pow1
associate-*r* unswap-sqr
sqr-pow
pow-prod-down
cbrt-undiv add-log-exp
times-frac *-commutative associate-/l*
frac-2neg clear-num associate-/r* div-inv
Counts
4 → 128
Calls

4 calls:

10.0ms
(/ (cos (* 2.0 x)) (* x (* x (* (pow c 2.0) (pow s 2.0)))))
9.0ms
(* x (* x (* (pow c 2.0) (pow s 2.0))))
6.0ms
(* (pow c 2.0) (pow s 2.0))
6.0ms
(* x (* (pow c 2.0) (pow s 2.0)))

series248.0ms (3.8%)

Counts
4 → 12
Calls

4 calls:

78.0ms
(/ (cos (* 2.0 x)) (* x (* x (* (pow c 2.0) (pow s 2.0)))))
59.0ms
(* x (* x (* (pow c 2.0) (pow s 2.0))))
58.0ms
(* (pow c 2.0) (pow s 2.0))
52.0ms
(* x (* (pow c 2.0) (pow s 2.0)))

simplify69.0ms (1.1%)

Algorithm
egg-herbie
Counts
140 → 140
Iterations

Useful iterations: 0 (57.0ms)

IterNodesCost
049521811
149521811

prune381.0ms (5.9%)

Pruning

16 alts after pruning (16 fresh and 0 done)

PrunedKeptTotal
New12515140
Fresh011
Picked101
Done000
Total12616142

Merged error: 8.7b

Counts
142 → 16

localize11.0ms (0.2%)

Local error

Found 4 expressions with local error:

0.3b
(pow (* c s) 2.0)
0.5b
(/ (cos (* 2.0 x)) (* x (* x (pow (* c s) 2.0))))
4.7b
(* x (* x (pow (* c s) 2.0)))
6.7b
(* x (pow (* c s) 2.0))

rewrite23.0ms (0.4%)

Algorithm
rewrite-expression-head
Rules
50×add-exp-log
26×prod-exp
20×add-cbrt-cube
13×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
pow1
pow-exp
cbrt-unprod
div-exp associate-*r* associate-*l*
pow-to-exp add-log-exp
cbrt-undiv pow-unpow times-frac associate-/l* sqr-pow
unpow-prod-down pow-pow pow-prod-down *-commutative unswap-sqr
frac-2neg clear-num associate-/r* div-inv
Counts
4 → 86
Calls

4 calls:

7.0ms
(/ (cos (* 2.0 x)) (* x (* x (pow (* c s) 2.0))))
5.0ms
(* x (* x (pow (* c s) 2.0)))
5.0ms
(* x (pow (* c s) 2.0))
3.0ms
(pow (* c s) 2.0)

series180.0ms (2.8%)

Counts
4 → 12
Calls

4 calls:

67.0ms
(/ (cos (* 2.0 x)) (* x (* x (pow (* c s) 2.0))))
52.0ms
(* x (* x (pow (* c s) 2.0)))
48.0ms
(* x (pow (* c s) 2.0))
13.0ms
(pow (* c s) 2.0)

simplify49.0ms (0.8%)

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 0 (40.0ms)

IterNodesCost
049631115
149631115

prune281.0ms (4.3%)

Pruning

16 alts after pruning (15 fresh and 1 done)

PrunedKeptTotal
New881098
Fresh10515
Picked011
Done000
Total9816114

Merged error: 3.6b

Counts
114 → 16

localize17.0ms (0.3%)

Local error

Found 4 expressions with local error:

0.2b
(* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2)))
0.5b
(/ (cos (* 2.0 x)) (* x (* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2)))))
3.0b
(* x (pow (* c s) (* 1/2 2.0)))
4.7b
(* x (* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2))))

rewrite42.0ms (0.6%)

Algorithm
rewrite-expression-head
Rules
247×add-exp-log
182×prod-exp
56×pow-exp
34×add-cbrt-cube
28×pow-to-exp
22×div-exp
16×cbrt-unprod
13×add-sqr-sqrt
11×associate-*r*
10×add-cube-cbrt *-un-lft-identity
associate-*l*
pow1
cbrt-undiv add-log-exp
times-frac *-commutative associate-/l* sqr-pow
unpow-prod-down unswap-sqr
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 139
Calls

4 calls:

11.0ms
(/ (cos (* 2.0 x)) (* x (* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2)))))
11.0ms
(* x (* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2))))
8.0ms
(* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2)))
5.0ms
(* x (pow (* c s) (* 1/2 2.0)))

series215.0ms (3.3%)

Counts
4 → 12
Calls

4 calls:

67.0ms
(/ (cos (* 2.0 x)) (* x (* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2)))))
52.0ms
(* x (* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2))))
50.0ms
(* x (pow (* c s) (* 1/2 2.0)))
47.0ms
(* (* x (pow (* c s) (* 1/2 2.0))) (pow (* c s) (/ 2.0 2)))

simplify59.0ms (0.9%)

Algorithm
egg-herbie
Counts
151 → 151
Iterations

Useful iterations: 0 (45.0ms)

IterNodesCost
049181843
149181843

prune378.0ms (5.8%)

Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New1483151
Fresh41014
Picked101
Done011
Total15314167

Merged error: 1.0b

Counts
167 → 14

localize18.0ms (0.3%)

Local error

Found 4 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* (* x (* x (pow (* c s) (* 1/2 2.0)))) (pow (* c s) (/ 2.0 2))))
1.3b
(* x (* x (pow (* c s) (* 1/2 2.0))))
3.0b
(* x (pow (* c s) (* 1/2 2.0)))
4.5b
(* (* x (* x (pow (* c s) (* 1/2 2.0)))) (pow (* c s) (/ 2.0 2)))

rewrite36.0ms (0.6%)

Algorithm
rewrite-expression-head
Rules
220×add-exp-log
155×prod-exp
44×pow-exp
34×add-cbrt-cube
25×div-exp
22×pow-to-exp
16×cbrt-unprod
13×add-sqr-sqrt
11×associate-*r*
10×add-cube-cbrt *-un-lft-identity
associate-*l*
pow1
cbrt-undiv add-log-exp
times-frac *-commutative associate-/l* sqr-pow
unpow-prod-down unswap-sqr
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 130
Calls

4 calls:

10.0ms
(/ (cos (* 2.0 x)) (* (* x (* x (pow (* c s) (* 1/2 2.0)))) (pow (* c s) (/ 2.0 2))))
9.0ms
(* (* x (* x (pow (* c s) (* 1/2 2.0)))) (pow (* c s) (/ 2.0 2)))
5.0ms
(* x (* x (pow (* c s) (* 1/2 2.0))))
5.0ms
(* x (pow (* c s) (* 1/2 2.0)))

series219.0ms (3.4%)

Counts
4 → 12
Calls

4 calls:

65.0ms
(/ (cos (* 2.0 x)) (* (* x (* x (pow (* c s) (* 1/2 2.0)))) (pow (* c s) (/ 2.0 2))))
56.0ms
(* (* x (* x (pow (* c s) (* 1/2 2.0)))) (pow (* c s) (/ 2.0 2)))
53.0ms
(* x (* x (pow (* c s) (* 1/2 2.0))))
45.0ms
(* x (pow (* c s) (* 1/2 2.0)))

simplify57.0ms (0.9%)

Algorithm
egg-herbie
Counts
142 → 142
Iterations

Useful iterations: 0 (43.0ms)

IterNodesCost
049391930
149391930

prune321.0ms (5%)

Pruning

16 alts after pruning (16 fresh and 0 done)

PrunedKeptTotal
New1366142
Fresh21012
Picked101
Done101
Total14016156

Merged error: 0.8b

Counts
156 → 16

regimes590.0ms (9.1%)

Accuracy

Total 3.7b remaining (65.1%)

Threshold costs 0b (0%)

bsearch109.0ms (1.7%)

Steps
ItersRangePoint
9
1.0569631154164961e-247
8.861296350169727e-239
8.638771279925528e-239
9
-2.559157428029134e-247
-1.7426765548082583e-255
-2.5212314714250252e-247

simplify1.0ms (0%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03959
13959

end0.0ms (0%)

sample2.0s (30.2%)

Algorithm
intervals
Results
552.0ms6007×body80valid
359.0ms698×body1280valid
256.0ms713×body640valid
163.0ms1820×body80invalid
101.0ms385×body320valid
80.0ms232×body640invalid
67.0ms142×body1280invalid
50.0ms192×body320invalid
35.0ms197×body160valid
18.0ms107×body160invalid

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