Details

Time bar (total: 7.5s)

sample96.0ms

Algorithm
intervals
Results
31.0ms24×body2560valid
25.0ms42×body1280valid
13.0ms34×body640valid
10.0ms127×body80valid
4.0ms16×body320valid
2.0ms13×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0813
11113
21313
done1313

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.0b

localize17.0ms

Local error

Found 3 expressions with local error:

7.2b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
28.6b
(sin (/ x (* y 2.0)))
29.9b
(tan (/ x (* y 2.0)))

rewrite9.0ms

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:
4.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
2.0ms
(sin (/ x (* y 2.0)))
1.0ms
(tan (/ x (* y 2.0)))

series95.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
10.0ms
(sin (/ x (* y 2.0)))
40.0ms
(tan (/ x (* y 2.0)))

simplify795.0ms

Counts
58 → 58
Iterations

Useful iterations: 3 (180.0ms)

IterNodesCost
083878
1150865
2436789
31883785
done5001785

prune219.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 27.3b

localize0.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune35.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 27.3b

localize12.0ms

Local error

Found 4 expressions with local error:

7.2b
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
28.6b
(sin (/ x (* y 2.0)))
28.6b
(sin (/ x (* y 2.0)))
29.6b
(cos (/ x (* y 2.0)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
75×times-frac
46×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×associate-/l*
add-exp-log add-cbrt-cube
div-inv
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv div-exp associate-/r*
frac-2neg clear-num associate-/l/
Counts
4 → 99
Calls
4 calls:
13.0ms
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
2.0ms
(sin (/ x (* y 2.0)))
2.0ms
(sin (/ x (* y 2.0)))
2.0ms
(cos (/ x (* y 2.0)))

series56.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
9.0ms
(sin (/ x (* y 2.0)))
9.0ms
(sin (/ x (* y 2.0)))
12.0ms
(cos (/ x (* y 2.0)))

simplify654.0ms

Counts
111 → 111
Iterations

Useful iterations: 2 (120.0ms)

IterNodesCost
01672899
13642846
215112406
done50002406

prune394.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 27.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (cos (/ x (* y 2.0))))
0.7b
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
0.8b
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
29.6b
(cos (/ x (* y 2.0)))

rewrite6.0ms

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:
2.0ms
(/ 1 (cos (/ x (* y 2.0))))
0.0ms
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
0.0ms
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
2.0ms
(cos (/ x (* y 2.0)))

series172.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(/ 1 (cos (/ x (* y 2.0))))
72.0ms
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
61.0ms
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
12.0ms
(cos (/ x (* y 2.0)))

simplify1.1s

Counts
76 → 76
Iterations

Useful iterations: 3 (238.0ms)

IterNodesCost
091887
1157817
2440730
31600728
done5000728

prune182.0ms

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 27.2b

regimes446.0ms

Accuracy

29.9% (1.7b remaining)

Error of 27.9b against oracle of 26.2b and baseline of 28.6b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02030
12330
done2330

end0.0ms

sample3.1s

Algorithm
intervals
Results
887.0ms1403×body1280valid
882.0ms657×body2560valid
592.0ms4077×body80valid
368.0ms990×body640valid
137.0ms521×body320valid
69.0ms352×body160valid