Details

Time bar (total: 11.6s)

sample183.0ms

Algorithm
intervals
Results
84.0ms66×body1280valid
38.0ms21×body2560valid
16.0ms29×body640valid
14.0ms108×body80valid
9.0ms21×body320valid
4.0ms11×body160valid

simplify9.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11113
21313
done1313

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ x (* y 2.0))
5.1b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
33.6b
(sin (/ x (* y 2.0)))
33.8b
(tan (/ x (* y 2.0)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×times-frac
11×add-exp-log add-cbrt-cube
associate-/l*
pow1 expm1-log1p-u associate-/r* log1p-expm1-u add-log-exp
cbrt-undiv div-exp
tan-quot frac-2neg clear-num div-inv
prod-exp cbrt-unprod associate-/l/
Counts
4 → 72
Calls
4 calls:
14.0ms
(/ x (* y 2.0))
20.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
8.0ms
(sin (/ x (* y 2.0)))
4.0ms
(tan (/ x (* y 2.0)))

series198.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(/ x (* y 2.0))
75.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
13.0ms
(sin (/ x (* y 2.0)))
67.0ms
(tan (/ x (* y 2.0)))

simplify499.0ms

Counts
84 → 84
Iterations

Useful iterations: 2 (150.0ms)

IterNodesCost
01251075
12431053
21063957
done5000957

prune380.0ms

Pruning

20 alts after pruning (20 fresh and 0 done)

Merged error: 29.7b

localize0.0ms

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

prune59.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 29.7b

localize24.0ms

Local error

Found 4 expressions with local error:

33.6b
(sin (/ x (* y 2.0)))
33.8b
(tan (/ x (* y 2.0)))
33.8b
(tan (/ x (* y 2.0)))
33.8b
(tan (/ x (* y 2.0)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u add-log-exp
tan-quot
Counts
4 → 39
Calls
4 calls:
7.0ms
(sin (/ x (* y 2.0)))
6.0ms
(tan (/ x (* y 2.0)))
4.0ms
(tan (/ x (* y 2.0)))
3.0ms
(tan (/ x (* y 2.0)))

series160.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(sin (/ x (* y 2.0)))
46.0ms
(tan (/ x (* y 2.0)))
41.0ms
(tan (/ x (* y 2.0)))
57.0ms
(tan (/ x (* y 2.0)))

simplify1.6s

Counts
51 → 51
Iterations

Useful iterations: 4 (604.0ms)

IterNodesCost
037476
162470
2139422
3496422
42489410
done5001410

prune244.0ms

Pruning

21 alts after pruning (19 fresh and 2 done)

Merged error: 29.7b

localize20.0ms

Local error

Found 4 expressions with local error:

5.0b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
33.6b
(sin (/ x (* y 2.0)))
33.6b
(sin (/ x (* y 2.0)))
34.0b
(cos (/ x (* y 2.0)))

rewrite77.0ms

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:
49.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
7.0ms
(sin (/ x (* y 2.0)))
11.0ms
(sin (/ x (* y 2.0)))
8.0ms
(cos (/ x (* y 2.0)))

series89.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
16.0ms
(sin (/ x (* y 2.0)))
15.0ms
(sin (/ x (* y 2.0)))
20.0ms
(cos (/ x (* y 2.0)))

simplify2.0s

Counts
63 → 63
Iterations

Useful iterations: 3 (466.0ms)

IterNodesCost
077989
1152777
2491604
33703600
done5001600

prune215.0ms

Pruning

23 alts after pruning (22 fresh and 1 done)

Merged error: 29.7b

regimes423.0ms

Accuracy

34.6% (1.9b remaining)

Error of 27.1b against oracle of 25.2b and baseline of 28.1b

bsearch2.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01728
12328
done2328

end0.0ms

sample5.4s

Algorithm
intervals
Results
1.5s1427×body1280valid
1.2s967×body640valid
1.1s651×body2560valid
934.0ms4132×body80valid
283.0ms544×body320valid
86.0ms279×body160valid