Details

Time bar (total: 21.3s)

sample187.0ms

Algorithm
intervals
Results
98.0ms106×body1280valid
31.0ms19×body2560valid
30.0ms57×body640valid
9.0ms30×body320valid
4.0ms36×body80valid
1.0msbody160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.7b

localize26.0ms

Local error

Found 2 expressions with local error:

1.1b
(- (sin (+ x eps)) (sin x))
2.8b
(sin (+ x eps))

rewrite71.0ms

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:
62.0ms
(- (sin (+ x eps)) (sin x))
9.0ms
(sin (+ x eps))

series103.0ms

Counts
2 → 6
Calls
2 calls:
75.0ms
(- (sin (+ x eps)) (sin x))
27.0ms
(sin (+ x eps))

simplify2.8s

Counts
32 → 32
Iterations
IterNodes
done5001
54407
41723
3751
2308
1137
065

prune185.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize50.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ x eps))
0.3b
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
2.9b
(cos (/ (+ x (+ x eps)) 2))

rewrite140.0ms

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:
30.0ms
(+ x (+ x eps))
46.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
63.0ms
(cos (/ (+ x (+ x eps)) 2))

series145.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(+ x (+ x eps))
62.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
42.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.1s

Counts
53 → 53
Iterations
IterNodes
done5004
32890
2654
1221
092

prune343.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.3b

localize65.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (cos (/ (+ x (+ x eps)) 2)))
0.3b
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
0.4b
(log (exp (cos (/ (+ x (+ x eps)) 2))))
2.9b
(cos (/ (+ x (+ x eps)) 2))

rewrite294.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity add-cube-cbrt
log-prod exp-prod
pow1 log-pow
associate-*r*
add-cbrt-cube add-exp-log
add-log-exp
insert-posit16
distribute-rgt-in distribute-lft-in associate-*l*
rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 65
Calls
4 calls:
48.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
78.0ms
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
108.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
59.0ms
(cos (/ (+ x (+ x eps)) 2))

series193.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
60.0ms
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
32.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
33.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.8s

Counts
77 → 77
Iterations
IterNodes
done5006
43634
31389
2517
1231
0109

prune487.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.3b

localize59.0ms

Local error

Found 4 expressions with local error:

0.7b
(log (sqrt (exp (cos (/ (+ x (+ x eps)) 2)))))
0.7b
(log (sqrt (exp (cos (/ (+ x (+ x eps)) 2)))))
2.9b
(cos (/ (+ x (+ x eps)) 2))
2.9b
(cos (/ (+ x (+ x eps)) 2))

rewrite237.0ms

Algorithm
rewrite-expression-head
Rules
12×log-prod log-pow
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 sqrt-pow1
exp-prod add-exp-log sqrt-prod
add-cbrt-cube insert-posit16 add-log-exp
pow1/2 rem-log-exp
Counts
4 → 58
Calls
4 calls:
58.0ms
(log (sqrt (exp (cos (/ (+ x (+ x eps)) 2)))))
84.0ms
(log (sqrt (exp (cos (/ (+ x (+ x eps)) 2)))))
56.0ms
(cos (/ (+ x (+ x eps)) 2))
38.0ms
(cos (/ (+ x (+ x eps)) 2))

series280.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(log (sqrt (exp (cos (/ (+ x (+ x eps)) 2)))))
114.0ms
(log (sqrt (exp (cos (/ (+ x (+ x eps)) 2)))))
25.0ms
(cos (/ (+ x (+ x eps)) 2))
26.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify3.3s

Counts
70 → 70
Iterations
IterNodes
done5001
53552
41117
3461
2197
1120
070

prune494.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.3b

regimes230.0ms

Accuracy

96.8% (0.5b remaining)

Error of 0.8b against oracle of 0.3b and baseline of 14.5b

bsearch195.0ms

Steps
ItersRangePoint
7
8.635844677648429e-30
2.196855215494652e-27
2.1464224965526296e-27
10
-1.4244285555183042e-05
-9.550132857780223e-23
-7.141151458641036e-09

simplify13.0ms

Iterations
IterNodes
done37
137
028

end0.0ms

sample6.4s

Algorithm
intervals
Results
3.6s3276×body1280valid
1.1s658×body2560valid
1.1s1801×body640valid
248.0ms769×body320valid
158.0ms1144×body80valid
73.0ms352×body160valid