Details

Time bar (total: 35.8s)

sample308.0ms

Algorithm
intervals
Results
194.0ms109×body1280valid
44.0ms63×body640valid
32.0ms14×body2560valid
11.0ms23×body320valid
5.0ms37×body80valid
3.0ms10×body160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.5b

localize21.0ms

Local error

Found 2 expressions with local error:

1.7b
(- (tan (+ eps x)) (tan x))
3.1b
(tan (+ eps x))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
tan-quot add-log-exp
fma-neg
expm1-log1p-u pow1 tan-sum add-cbrt-cube add-exp-log frac-sub log1p-expm1-u
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
20.0ms
(- (tan (+ eps x)) (tan x))
10.0ms
(tan (+ eps x))

series225.0ms

Counts
2 → 6
Calls
2 calls:
143.0ms
(- (tan (+ eps x)) (tan x))
82.0ms
(tan (+ eps x))

simplify939.0ms

Counts
47 → 47
Iterations
IterNodes
done5000
2698
1196
094

prune267.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 14.2b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (tan eps)) (tan x) 1)
0.1b
(/ (+ (tan eps) (tan x)) (fma (- (tan eps)) (tan x) 1))
0.1b
(+ (tan eps) (tan x))
4.1b
(- (/ (+ (tan eps) (tan x)) (fma (- (tan eps)) (tan x) 1)) (tan x))

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
67×add-sqr-sqrt
62×add-cube-cbrt
61×times-frac
48×prod-diff
17×distribute-lft-out
16×fma-neg
add-log-exp
add-cbrt-cube add-exp-log
tan-quot div-inv
expm1-log1p-u pow1 log1p-expm1-u associate-/l*
associate-/r* fma-def associate-/l/
flip3-+ frac-add flip-+ difference-of-squares
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp frac-sub fma-udef flip-- distribute-lft-out--
Counts
4 → 146
Calls
4 calls:
1.0ms
(fma (- (tan eps)) (tan x) 1)
40.0ms
(/ (+ (tan eps) (tan x)) (fma (- (tan eps)) (tan x) 1))
14.0ms
(+ (tan eps) (tan x))
78.0ms
(- (/ (+ (tan eps) (tan x)) (fma (- (tan eps)) (tan x) 1)) (tan x))

series1.3s

Counts
4 → 12
Calls
4 calls:
164.0ms
(fma (- (tan eps)) (tan x) 1)
359.0ms
(/ (+ (tan eps) (tan x)) (fma (- (tan eps)) (tan x) 1))
149.0ms
(+ (tan eps) (tan x))
588.0ms
(- (/ (+ (tan eps) (tan x)) (fma (- (tan eps)) (tan x) 1)) (tan x))

simplify1.7s

Counts
158 → 158
Iterations
IterNodes
done5001
21719
1453
0196

prune838.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.2b

localize47.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin x) (sin eps))
0.3b
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
0.3b
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
4.5b
(- (/ (/ (sin x) (cos x)) (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (/ (sin x) (cos x)))

rewrite592.0ms

Algorithm
rewrite-expression-head
Rules
2619×times-frac
1947×add-sqr-sqrt
1935×*-un-lft-identity
1378×add-cube-cbrt
1092×prod-diff
370×difference-of-squares
186×distribute-lft-out--
184×div-inv
84×fma-neg
30×add-cbrt-cube add-exp-log associate-/r/
15×flip3-- flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*r* associate-*l* sin-mult
clear-num associate-/r* frac-2neg cos-mult associate-/l* associate-/l/
sub-neg diff-log pow-prod-down *-commutative frac-sub unswap-sqr
Counts
4 → 1271
Calls
4 calls:
10.0ms
(* (sin x) (sin eps))
15.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
15.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
399.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (/ (sin x) (cos x)))

series695.0ms

Counts
4 → 12
Calls
4 calls:
87.0ms
(* (sin x) (sin eps))
177.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
118.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
311.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (/ (sin x) (cos x)))

simplify1.6s

Counts
1283 → 1283
Iterations
IterNodes
done5000
12909
01291

prune7.5s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 13.1b

localize53.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin x) (sin eps))
0.2b
(* (sin eps) (sin x))
0.3b
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
4.5b
(- (/ (/ (sin x) (cos x)) (- 1 (/ (/ (* (sin eps) (sin x)) (cos x)) (cos eps)))) (/ (sin x) (cos x)))

rewrite674.0ms

Algorithm
rewrite-expression-head
Rules
3832×times-frac
3239×add-sqr-sqrt
2497×*-un-lft-identity
1758×add-cube-cbrt
1430×prod-diff
734×difference-of-squares
237×div-inv
186×distribute-lft-out--
110×fma-neg
29×associate-/r/
20×add-cbrt-cube add-exp-log
15×flip3-- flip--
pow1
associate-*r* associate-*l* prod-exp cbrt-unprod add-log-exp
expm1-log1p-u cbrt-undiv div-exp log1p-expm1-u
sin-mult
pow-prod-down *-commutative unswap-sqr
clear-num associate-/r* sub-neg frac-2neg diff-log cos-mult frac-sub associate-/l* associate-/l/
Counts
4 → 1631
Calls
4 calls:
11.0ms
(* (sin x) (sin eps))
11.0ms
(* (sin eps) (sin x))
14.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
401.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (/ (* (sin eps) (sin x)) (cos x)) (cos eps)))) (/ (sin x) (cos x)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(* (sin x) (sin eps))
58.0ms
(* (sin eps) (sin x))
119.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
300.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (/ (* (sin eps) (sin x)) (cos x)) (cos eps)))) (/ (sin x) (cos x)))

simplify1.8s

Counts
1643 → 1643
Iterations
IterNodes
done5001
13806
01714

prune8.8s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 13.1b

regimes223.0ms

Accuracy

0% (0.3b remaining)

Error of 13.1b against oracle of 12.8b and baseline of 13.1b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done32
132
026

end0.0ms

sample7.6s

Algorithm
intervals
Results
3.7s3268×body1280valid
1.3s652×body2560valid
1.3s1860×body640valid
625.0ms765×body320valid
217.0ms1081×body80valid
124.0ms374×body160valid