Details

Time bar (total: 24.4s)

sample276.0ms

Algorithm
intervals
Results
153.0ms100×body1280valid
44.0ms62×body640valid
37.0ms14×body2560valid
12.0ms22×body320valid
7.0ms42×body80valid
5.0ms16×body160valid

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize18.0ms

Local error

Found 2 expressions with local error:

1.8b
(- (tan (+ x eps)) (tan x))
3.0b
(tan (+ x eps))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
tan-quot add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt tan-sum frac-sub add-cbrt-cube
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 25
Calls
2 calls:
42.0ms
(- (tan (+ x eps)) (tan x))
63.0ms
(tan (+ x eps))

series229.0ms

Counts
2 → 6
Calls
2 calls:
134.0ms
(- (tan (+ x eps)) (tan x))
95.0ms
(tan (+ x eps))

simplify2.6s

Counts
31 → 31
Iterations

Useful iterations: 4 (464.0ms)

IterNodesCost
068367
1135355
2278341
3528337
41109335
52471335
done5000335

prune156.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 9.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
0.1b
(+ (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
2.7b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite202.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
22×add-sqr-sqrt
15×add-cube-cbrt
13×times-frac
tan-quot
add-exp-log add-cbrt-cube add-log-exp
pow1
distribute-lft-out
associate-/l*
associate-*r* associate-*l* associate-/r* associate-/l/
flip3-- flip3-+ frac-add associate-/r/ flip-- flip-+ difference-of-squares
cbrt-undiv +-commutative frac-times sub-neg frac-2neg diff-log associate-*r/ div-exp pow-prod-down associate-*l/ prod-exp clear-num sum-log *-commutative frac-sub cbrt-unprod div-inv distribute-lft-out-- unswap-sqr
Counts
4 → 86
Calls
4 calls:
39.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
24.0ms
(+ (tan x) (tan eps))
28.0ms
(* (tan x) (tan eps))
108.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.2s

Counts
4 → 12
Calls
4 calls:
354.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
128.0ms
(+ (tan x) (tan eps))
145.0ms
(* (tan x) (tan eps))
568.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify2.6s

Counts
98 → 98
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01721724
13971649
210951579
329391563
done50001563

prune427.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 9.1b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (tan x) (tan eps))
0.2b
(* (sin x) (sin eps))
0.2b
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
2.7b
(- (/ (+ (tan x) (tan eps)) (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (tan x))

rewrite514.0ms

Algorithm
rewrite-expression-head
Rules
18×add-exp-log add-cbrt-cube
13×add-sqr-sqrt
10×*-un-lft-identity
add-log-exp
pow1 add-cube-cbrt
prod-exp cbrt-unprod
cbrt-undiv div-exp
tan-quot associate-*r* associate-*l*
times-frac sin-mult difference-of-squares
+-commutative sub-neg flip3-- frac-2neg flip3-+ diff-log pow-prod-down frac-add clear-num associate-/r* sum-log associate-/r/ cos-mult *-commutative frac-sub flip-- flip-+ div-inv associate-/l/ distribute-lft-out associate-/l* distribute-lft-out-- unswap-sqr
Counts
4 → 71
Calls
4 calls:
17.0ms
(+ (tan x) (tan eps))
26.0ms
(* (sin x) (sin eps))
19.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
448.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (tan x))

series1.0s

Counts
4 → 12
Calls
4 calls:
158.0ms
(+ (tan x) (tan eps))
89.0ms
(* (sin x) (sin eps))
159.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
629.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (tan x))

simplify1.1s

Counts
83 → 83
Iterations

Useful iterations: 2 (331.0ms)

IterNodesCost
01661443
14201424
215601238
done50001238

prune475.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 9.1b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin x) (sin eps))
0.2b
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
0.2b
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
2.7b
(- (+ (/ (sin x) (* (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))) (cos x))) (/ (sin eps) (* (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))) (cos eps)))) (/ (sin x) (cos x)))

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
30×add-exp-log add-cbrt-cube
13×add-sqr-sqrt
11×*-un-lft-identity
prod-exp cbrt-unprod add-log-exp
cbrt-undiv div-exp
pow1 add-cube-cbrt
times-frac associate-*r* associate-*l* frac-sub sin-mult
frac-2neg diff-log clear-num associate-/r* associate-/r/ cos-mult div-inv associate-/l/ associate-/l* distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip3-+ pow-prod-down frac-add associate--l+ sum-log *-commutative flip-- flip-+ distribute-lft-out unswap-sqr
Counts
4 → 86
Calls
4 calls:
26.0ms
(* (sin x) (sin eps))
37.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
38.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
1.1s
(- (+ (/ (sin x) (* (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))) (cos x))) (/ (sin eps) (* (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))) (cos eps)))) (/ (sin x) (cos x)))

series976.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* (sin x) (sin eps))
163.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
165.0ms
(/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))
583.0ms
(- (+ (/ (sin x) (* (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))) (cos x))) (/ (sin eps) (* (- 1 (/ (* (sin x) (sin eps)) (* (cos x) (cos eps)))) (cos eps)))) (/ (sin x) (cos x)))

simplify979.0ms

Counts
98 → 98
Iterations

Useful iterations: 2 (277.0ms)

IterNodesCost
01652902
14572834
219522500
done50002500

prune405.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 9.1b

regimes251.0ms

Accuracy

87.2% (1.0b remaining)

Error of 15.3b against oracle of 14.3b and baseline of 22.1b

bsearch229.0ms

Steps
ItersRangePoint
6
1.3493999398179835e-87
1.8173234671108943e-86
1.4987700485030514e-86
7
-6.595773337079076e-15
-8.563893768759747e-17
-8.700802725045611e-17

simplify11.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
035127
148127
done48127

end0.0ms

sample9.4s

Algorithm
intervals
Results
5.0s3324×body1280valid
1.9s603×body2560valid
1.5s1842×body640valid
325.0ms796×body320valid
181.0ms355×body160valid
137.0ms1080×body80valid