Details

Time bar (total: 37.3s)

sample323.0ms

Algorithm
intervals
Results
128.0ms96×body1280valid
95.0ms24×body2560valid
47.0ms56×body640valid
25.0ms39×body320valid
6.0ms31×body80valid
4.0ms10×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.1b

localize19.0ms

Local error

Found 2 expressions with local error:

1.1b
(- (tan (+ x eps)) (tan x))
6.3b
(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))
13.0ms
(tan (+ x eps))

series268.0ms

Counts
2 → 6
Calls
2 calls:
151.0ms
(- (tan (+ x eps)) (tan x))
117.0ms
(tan (+ x eps))

simplify2.0s

Counts
31 → 31
Iterations

Useful iterations: done (2.0s)

IterNodesCost
068367
1181355
2700339
done5001335

prune133.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 13.1b

localize24.0ms

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))
2.4b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite177.0ms

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:
43.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
9.0ms
(+ (tan x) (tan eps))
19.0ms
(* (tan x) (tan eps))
102.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.2s

Counts
4 → 12
Calls
4 calls:
380.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
122.0ms
(+ (tan x) (tan eps))
158.0ms
(* (tan x) (tan eps))
534.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify8.7s

Counts
98 → 98
Iterations

Useful iterations: done (8.7s)

IterNodesCost
01721724
126551652
done50021584

prune493.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 12.9b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (tan x) (tan eps))
0.1b
(* (+ (tan x) (tan eps)) (/ 1 (- 1 (* (tan x) (tan eps)))))
0.2b
(* (tan x) (tan eps))
2.4b
(- (* (+ (tan x) (tan eps)) (/ 1 (- 1 (* (tan x) (tan eps))))) (tan x))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
22×tan-quot
19×*-un-lft-identity
18×associate-*r*
15×add-exp-log
14×add-cube-cbrt
11×times-frac add-cbrt-cube
pow1 frac-sub add-log-exp
frac-times associate-*l* associate-*l/
flip3-+ frac-add prod-exp flip-+
unswap-sqr
associate-*r/ cbrt-unprod
flip3-- div-exp pow-prod-down associate-/r/ un-div-inv *-commutative flip-- distribute-lft-out
cbrt-undiv +-commutative sub-neg rec-exp diff-log 1-exp sum-log div-inv
Counts
4 → 99
Calls
4 calls:
11.0ms
(+ (tan x) (tan eps))
75.0ms
(* (+ (tan x) (tan eps)) (/ 1 (- 1 (* (tan x) (tan eps)))))
17.0ms
(* (tan x) (tan eps))
68.0ms
(- (* (+ (tan x) (tan eps)) (/ 1 (- 1 (* (tan x) (tan eps))))) (tan x))

series1.2s

Counts
4 → 12
Calls
4 calls:
152.0ms
(+ (tan x) (tan eps))
326.0ms
(* (+ (tan x) (tan eps)) (/ 1 (- 1 (* (tan x) (tan eps)))))
138.0ms
(* (tan x) (tan eps))
605.0ms
(- (* (+ (tan x) (tan eps)) (/ 1 (- 1 (* (tan x) (tan eps))))) (tan x))

simplify1.0s

Counts
111 → 111
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02252170
done50001945

prune568.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 12.9b

localize54.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (/ (* (+ (* (sin x) (cos eps)) (* (cos x) (sin eps))) (cos x)) (- 1 (* (tan x) (tan eps)))) (* (* (cos x) (cos eps)) (sin x))) (* (* (cos x) (cos eps)) (cos x)))
0.2b
(* (* (cos x) (cos eps)) (cos x))
0.2b
(* (* (cos x) (cos eps)) (sin x))
2.4b
(- (/ (* (+ (* (sin x) (cos eps)) (* (cos x) (sin eps))) (cos x)) (- 1 (* (tan x) (tan eps)))) (* (* (cos x) (cos eps)) (sin x)))

rewrite387.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log add-cbrt-cube
14×pow1
prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*r* pow-prod-down add-log-exp
associate-*l/ cos-mult
cbrt-undiv times-frac div-exp associate-/l/ associate-/l*
flip3-- associate-*l* *-commutative frac-sub flip--
sub-neg frac-2neg diff-log div-sub clear-num associate-/r* associate-/r/ div-inv
Counts
4 → 79
Calls
4 calls:
218.0ms
(/ (- (/ (* (+ (* (sin x) (cos eps)) (* (cos x) (sin eps))) (cos x)) (- 1 (* (tan x) (tan eps)))) (* (* (cos x) (cos eps)) (sin x))) (* (* (cos x) (cos eps)) (cos x)))
36.0ms
(* (* (cos x) (cos eps)) (cos x))
38.0ms
(* (* (cos x) (cos eps)) (sin x))
93.0ms
(- (/ (* (+ (* (sin x) (cos eps)) (* (cos x) (sin eps))) (cos x)) (- 1 (* (tan x) (tan eps)))) (* (* (cos x) (cos eps)) (sin x)))

series1.7s

Counts
4 → 12
Calls
4 calls:
804.0ms
(/ (- (/ (* (+ (* (sin x) (cos eps)) (* (cos x) (sin eps))) (cos x)) (- 1 (* (tan x) (tan eps)))) (* (* (cos x) (cos eps)) (sin x))) (* (* (cos x) (cos eps)) (cos x)))
85.0ms
(* (* (cos x) (cos eps)) (cos x))
97.0ms
(* (* (cos x) (cos eps)) (sin x))
677.0ms
(- (/ (* (+ (* (sin x) (cos eps)) (* (cos x) (sin eps))) (cos x)) (- 1 (* (tan x) (tan eps)))) (* (* (cos x) (cos eps)) (sin x)))

simplify5.7s

Counts
91 → 91
Iterations

Useful iterations: done (5.7s)

IterNodesCost
01743030
116642927
done50002411

prune576.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 5.2b

regimes346.0ms

Accuracy

96.6% (0.6b remaining)

Error of 6.3b against oracle of 5.7b and baseline of 21.9b

bsearch278.0ms

Steps
ItersRangePoint
11
1.1123901126486127e-34
1.9762467893330864e-06
1.3424092820004812e-20
5
-2.9278891142885936e-51
-1.3141126890030885e-51
-2.8807489927501464e-51

simplify11.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
034130
14781
done4781

end0.0ms

sample11.9s

Algorithm
intervals
Results
5.7s3277×body1280valid
2.6s640×body2560valid
2.3s1781×body640valid
487.0ms834×body320valid
224.0ms1104×body80valid
127.0ms364×body160valid