Details

Time bar (total: 19.2s)

sample173.0ms

Algorithm
intervals
Results
72.0ms110×body1280valid
55.0ms22×body2560valid
19.0ms50×body640valid
8.0ms28×body320valid
4.0ms18×body160valid
2.0ms28×body80valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.4b

localize12.0ms

Local error

Found 2 expressions with local error:

1.7b
(- (sin (+ x eps)) (sin x))
3.3b
(sin (+ x eps))

rewrite428.0ms

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
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
419.0ms
(- (sin (+ x eps)) (sin x))
8.0ms
(sin (+ x eps))

series69.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(- (sin (+ x eps)) (sin x))
20.0ms
(sin (+ x eps))

simplify3.2s

Counts
30 → 30
Iterations
IterNodes
done5000
54797
41781
3755
2305
1135
063

prune163.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize34.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ x eps))
0.3b
(* (cos (/ (+ x (+ x eps)) 2)) (sin (* 1/2 eps)))
3.0b
(cos (/ (+ x (+ x eps)) 2))

rewrite75.0ms

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* distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
3 → 40
Calls
3 calls:
18.0ms
(+ x (+ x eps))
20.0ms
(* (cos (/ (+ x (+ x eps)) 2)) (sin (* 1/2 eps)))
36.0ms
(cos (/ (+ x (+ x eps)) 2))

series166.0ms

Counts
3 → 9
Calls
3 calls:
25.0ms
(+ x (+ x eps))
108.0ms
(* (cos (/ (+ x (+ x eps)) 2)) (sin (* 1/2 eps)))
32.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.3s

Counts
49 → 49
Iterations
IterNodes
done5011
32895
2636
1209
084

prune413.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.3b

localize66.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
3.0b
(cos (/ (+ x (+ x eps)) 2))
3.0b
(cos (/ (+ x (+ x eps)) 2))
3.0b
(cos (/ (+ x (+ x eps)) 2))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt add-log-exp
cbrt-prod cbrt-div pow1/3 pow3 associate-*l/ cos-mult rem-cbrt-cube
Counts
4 → 32
Calls
4 calls:
25.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
27.0ms
(cos (/ (+ x (+ x eps)) 2))
39.0ms
(cos (/ (+ x (+ x eps)) 2))
40.0ms
(cos (/ (+ x (+ x eps)) 2))

series135.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
30.0ms
(cos (/ (+ x (+ x eps)) 2))
30.0ms
(cos (/ (+ x (+ x eps)) 2))
45.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.7s

Counts
44 → 44
Iterations
IterNodes
done5005
53259
41040
3384
2137
181
043

prune373.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.3b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (cos (+ (* 1/2 eps) x)))
0.3b
(* (log (exp (cos (+ (* 1/2 eps) x)))) (sin (* 1/2 eps)))
0.5b
(log (exp (cos (+ (* 1/2 eps) x))))
2.9b
(cos (+ (* 1/2 eps) x))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
10×*-un-lft-identity add-cube-cbrt
exp-prod
pow1 log-pow
associate-*l*
add-cbrt-cube add-exp-log
add-log-exp
cos-sum log-prod associate-*r*
exp-diff
log-div rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 58
Calls
4 calls:
14.0ms
(exp (cos (+ (* 1/2 eps) x)))
42.0ms
(* (log (exp (cos (+ (* 1/2 eps) x)))) (sin (* 1/2 eps)))
30.0ms
(log (exp (cos (+ (* 1/2 eps) x))))
28.0ms
(cos (+ (* 1/2 eps) x))

series156.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(exp (cos (+ (* 1/2 eps) x)))
61.0ms
(* (log (exp (cos (+ (* 1/2 eps) x)))) (sin (* 1/2 eps)))
22.0ms
(log (exp (cos (+ (* 1/2 eps) x))))
30.0ms
(cos (+ (* 1/2 eps) x))

simplify2.1s

Counts
70 → 70
Iterations
IterNodes
done5000
42671
31170
2490
1199
0102

prune402.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.1b

regimes152.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done20
120
016

end0.0ms

sample5.8s

Algorithm
intervals
Results
3.0s3302×body1280valid
1.3s1847×body640valid
920.0ms655×body2560valid
243.0ms772×body320valid
152.0ms1102×body80valid
56.0ms322×body160valid