Details

Time bar (total: 28.4s)

sample184.0ms

Algorithm
intervals
Results
50.0ms17×body2560valid
46.0ms41×body1280valid
23.0ms32×body640valid
22.0ms135×body80valid
10.0ms18×body320valid
5.0ms13×body160valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11113
21313
done1313

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.9b

localize24.0ms

Local error

Found 3 expressions with local error:

5.7b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
27.2b
(sin (/ x (* y 2.0)))
27.8b
(tan (/ x (* y 2.0)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u associate-/r* log1p-expm1-u associate-/l* add-log-exp
tan-quot
cbrt-undiv frac-2neg div-exp clear-num div-inv associate-/l/
Counts
3 → 49
Calls
3 calls:
58.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
11.0ms
(sin (/ x (* y 2.0)))
8.0ms
(tan (/ x (* y 2.0)))

series177.0ms

Counts
3 → 9
Calls
3 calls:
75.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
19.0ms
(sin (/ x (* y 2.0)))
82.0ms
(tan (/ x (* y 2.0)))

simplify2.7s

Counts
58 → 58
Iterations

Useful iterations: 3 (239.0ms)

IterNodesCost
083878
1147865
2330789
3814785
42543785
done5001785

prune339.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 24.9b

localize1.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune68.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 24.9b

localize25.0ms

Local error

Found 4 expressions with local error:

5.7b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
27.2b
(sin (/ x (* y 2.0)))
27.2b
(sin (/ x (* y 2.0)))
27.5b
(cos (/ x (* y 2.0)))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
times-frac associate-/l*
cbrt-undiv div-exp
frac-2neg prod-exp clear-num associate-/r* associate-/r/ sin-cos-mult cbrt-unprod div-inv
Counts
4 → 51
Calls
4 calls:
57.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
10.0ms
(sin (/ x (* y 2.0)))
8.0ms
(sin (/ x (* y 2.0)))
7.0ms
(cos (/ x (* y 2.0)))

series97.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
25.0ms
(sin (/ x (* y 2.0)))
15.0ms
(sin (/ x (* y 2.0)))
22.0ms
(cos (/ x (* y 2.0)))

simplify7.9s

Counts
63 → 63
Iterations

Useful iterations: 3 (489.0ms)

IterNodesCost
077989
1152777
2416604
31226600
done5000600

prune345.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 24.9b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (cos (/ x (* y 2.0))))
0.8b
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
0.9b
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
27.5b
(cos (/ x (* y 2.0)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log
add-cbrt-cube
pow1 log1p-expm1-u
expm1-log1p-u add-log-exp
associate-/r* associate-/l*
div-exp
cbrt-undiv rec-exp log1p-udef expm1-log1p pow-flip frac-2neg 1-exp log1p-expm1 clear-num div-inv inv-pow expm1-udef
Counts
4 → 64
Calls
4 calls:
11.0ms
(/ 1 (cos (/ x (* y 2.0))))
1.0ms
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
0.0ms
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
7.0ms
(cos (/ x (* y 2.0)))

series338.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ 1 (cos (/ x (* y 2.0))))
106.0ms
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
160.0ms
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
26.0ms
(cos (/ x (* y 2.0)))

simplify7.6s

Counts
76 → 76
Iterations

Useful iterations: 5 (1.2s)

IterNodesCost
091887
1150807
2250731
3462731
4978731
51562729
62008729
73260729
done5000729

prune305.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 24.8b

regimes513.0ms

Accuracy

0% (2.5b remaining)

Error of 28.9b against oracle of 26.3b and baseline of 28.9b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01112
11512
done1512

end0.0ms

sample7.6s

Algorithm
intervals
Results
3.1s1416×body1280valid
1.4s602×body2560valid
997.0ms1024×body640valid
886.0ms4045×body80valid
449.0ms600×body320valid
173.0ms313×body160valid