Details

Time bar (total: 17.3s)

sample260.0ms

Algorithm
intervals
Results
96.0ms94×body1280valid
67.0ms56×body640valid
60.0ms29×body2560valid
13.0ms26×body320valid
8.0ms44×body80valid
2.0msbody160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.1b

localize13.0ms

Local error

Found 2 expressions with local error:

1.6b
(- (sin (+ x eps)) (sin x))
4.1b
(sin (+ x eps))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube sin-sum add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
77.0ms
(- (sin (+ x eps)) (sin x))
8.0ms
(sin (+ x eps))

series92.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(- (sin (+ x eps)) (sin x))
32.0ms
(sin (+ x eps))

simplify1.3s

Counts
32 → 32
Iterations
IterNodes
done2009
52009
41723
3751
2308
1137
065

prune330.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize46.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ x eps))
0.2b
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
4.1b
(cos (/ (+ x (+ x eps)) 2))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l* insert-posit16 distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ sin-cos-mult unswap-sqr
Counts
3 → 44
Calls
3 calls:
11.0ms
(+ x (+ x eps))
29.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
24.0ms
(cos (/ (+ x (+ x eps)) 2))

series143.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(+ x (+ x eps))
76.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
41.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify994.0ms

Counts
53 → 53
Iterations
IterNodes
done2005
32005
2654
1221
092

prune505.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.3b

localize77.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (cos (/ (+ x (+ x eps)) 2)))
4.1b
(cos (/ (+ x (+ x eps)) 2))
4.1b
(cos (/ (+ x (+ x eps)) 2))
4.1b
(cos (/ (+ x (+ x eps)) 2))

rewrite451.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube add-exp-log insert-posit16 add-log-exp
cbrt-prod
pow1/3
Counts
4 → 36
Calls
4 calls:
2.0ms
(cbrt (cos (/ (+ x (+ x eps)) 2)))
373.0ms
(cos (/ (+ x (+ x eps)) 2))
39.0ms
(cos (/ (+ x (+ x eps)) 2))
37.0ms
(cos (/ (+ x (+ x eps)) 2))

series233.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(cbrt (cos (/ (+ x (+ x eps)) 2)))
47.0ms
(cos (/ (+ x (+ x eps)) 2))
25.0ms
(cos (/ (+ x (+ x eps)) 2))
38.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.3s

Counts
48 → 48
Iterations
IterNodes
done2011
52011
41626
3543
2186
191
044

prune771.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.3b

localize67.0ms

Local error

Found 4 expressions with local error:

4.1b
(cos (/ (+ x (+ x eps)) 2))
4.1b
(cos (/ (+ x (+ x eps)) 2))
4.1b
(cos (/ (+ x (+ x eps)) 2))
4.1b
(cos (/ (+ x (+ x eps)) 2))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
Counts
4 → 32
Calls
4 calls:
20.0ms
(cos (/ (+ x (+ x eps)) 2))
27.0ms
(cos (/ (+ x (+ x eps)) 2))
38.0ms
(cos (/ (+ x (+ x eps)) 2))
43.0ms
(cos (/ (+ x (+ x eps)) 2))

series148.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(cos (/ (+ x (+ x eps)) 2))
30.0ms
(cos (/ (+ x (+ x eps)) 2))
39.0ms
(cos (/ (+ x (+ x eps)) 2))
41.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.2s

Counts
44 → 44
Iterations
IterNodes
done2047
62047
51466
4628
3279
299
159
027

prune683.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.3b

regimes168.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 15.4b

bsearch271.0ms

Steps
ItersRangePoint
10
3.395948864018026e-11
318690.85562629136
1.9528216764299977e-08
11
-0.030639508246526274
-2.729201958508851e-30
-8.778095247816633e-09

simplify7.0ms

Iterations
IterNodes
done37
137
026

end0.0ms

sample7.9s

Algorithm
intervals
Results
3.6s3237×body1280valid
2.1s1892×body640valid
1.1s640×body2560valid
487.0ms759×body320valid
212.0ms1099×body80valid
147.0ms373×body160valid