Details

Time bar (total: 22.0s)

sample269.0ms

Algorithm
intervals
Results
146.0ms113×body1280valid
51.0ms18×body2560valid
40.0ms60×body640valid
10.0ms23×body320valid
4.0ms32×body80valid
3.0ms10×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.6b

localize18.0ms

Local error

Found 2 expressions with local error:

2.1b
(- (tan (+ x eps)) (tan x))
3.2b
(tan (+ x eps))

rewrite50.0ms

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:
35.0ms
(- (tan (+ x eps)) (tan x))
14.0ms
(tan (+ x eps))

series227.0ms

Counts
2 → 6
Calls
2 calls:
125.0ms
(- (tan (+ x eps)) (tan x))
102.0ms
(tan (+ x eps))

simplify2.6s

Counts
31 → 31
Iterations

Useful iterations: 4 (375.0ms)

IterNodesCost
068367
1135355
2278341
3528337
41109335
52471335
done5000335

prune135.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 14.5b

localize22.0ms

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))
0.3b
(* (tan x) (tan eps))
3.1b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite179.0ms

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:
28.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
8.0ms
(+ (tan x) (tan eps))
16.0ms
(* (tan x) (tan eps))
124.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.1s

Counts
4 → 12
Calls
4 calls:
310.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
145.0ms
(+ (tan x) (tan eps))
103.0ms
(* (tan x) (tan eps))
536.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify2.7s

Counts
98 → 98
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
01721724
13971649
210951579
329391563
done50001563

prune437.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 14.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))
0.3b
(* (tan x) (tan eps))
0.3b
(/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps))))
5.3b
(- (/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))) (tan x))

rewrite257.0ms

Algorithm
rewrite-expression-head
Rules
123×times-frac
104×*-un-lft-identity
83×add-sqr-sqrt
67×add-cube-cbrt
23×associate-/r*
19×add-exp-log
16×associate-/r/ distribute-lft-out
15×tan-quot
13×add-cbrt-cube
div-exp
pow1 div-inv
associate-/l* add-log-exp
flip3-+ frac-add flip-+ difference-of-squares
cbrt-undiv
associate-*r* associate-*l*
rec-exp flip3-- frac-2neg 1-exp clear-num flip-- associate-/l/ distribute-lft-out--
frac-times sub-neg pow-flip diff-log div-sub associate-*r/ pow-prod-down associate-*l/ prod-exp *-commutative frac-sub cbrt-unprod inv-pow unswap-sqr
Counts
4 → 178
Calls
4 calls:
32.0ms
(/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))
16.0ms
(* (tan x) (tan eps))
36.0ms
(/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps))))
167.0ms
(- (/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))) (tan x))

series1.4s

Counts
4 → 12
Calls
4 calls:
338.0ms
(/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))
168.0ms
(* (tan x) (tan eps))
363.0ms
(/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps))))
493.0ms
(- (/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))) (tan x))

simplify1.6s

Counts
190 → 190
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02984576
16894210
218433880
done50003829

prune520.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 14.4b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (tan x) (tan eps)) (cos x))
0.3b
(* (tan x) (tan eps))
0.3b
(* (tan x) (tan eps))
8.2b
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
17×associate-*l/
16×add-sqr-sqrt
14×tan-quot
12×*-un-lft-identity
10×pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
frac-sub add-log-exp
flip3-- flip--
flip3-+ pow-prod-down frac-add prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
frac-times associate-*r/
sub-neg diff-log distribute-lft-out
Counts
4 → 82
Calls
4 calls:
46.0ms
(* (+ (tan x) (tan eps)) (cos x))
17.0ms
(* (tan x) (tan eps))
30.0ms
(* (tan x) (tan eps))
39.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

series844.0ms

Counts
4 → 12
Calls
4 calls:
200.0ms
(* (+ (tan x) (tan eps)) (cos x))
148.0ms
(* (tan x) (tan eps))
151.0ms
(* (tan x) (tan eps))
345.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

simplify1.4s

Counts
94 → 94
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01731626
15151476
219171418
done50011416

prune523.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

regimes101.0ms

Accuracy

0% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 0.4b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02133
12933
done2933

end0.0ms

sample7.5s

Algorithm
intervals
Results
3.5s3329×body1280valid
1.6s673×body2560valid
1.1s1885×body640valid
678.0ms711×body320valid
132.0ms1071×body80valid
86.0ms331×body160valid