Details

Time bar (total: 27.2s)

sample384.0ms

Algorithm
intervals
Results
213.0ms102×body1280valid
60.0ms19×body2560valid
57.0ms51×body640valid
23.0ms27×body320valid
12.0ms48×body80valid
4.0msbody160valid

simplify42.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize28.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (tan (+ x eps)) (tan x))
2.9b
(tan (+ x eps))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity tan-quot add-log-exp
pow1 tan-sum add-cbrt-cube add-exp-log frac-sub add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 27
Calls
2 calls:
19.0ms
(- (tan (+ x eps)) (tan x))
9.0ms
(tan (+ x eps))

series199.0ms

Counts
2 → 6
Calls
2 calls:
131.0ms
(- (tan (+ x eps)) (tan x))
69.0ms
(tan (+ x eps))

simplify1.3s

Counts
33 → 33
Iterations
IterNodes
done2017
52017
41821
3719
2300
1139
070

prune221.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 13.6b

localize43.0ms

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))

rewrite171.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
22×add-sqr-sqrt
15×add-cube-cbrt
13×times-frac
tan-quot
add-cbrt-cube add-exp-log add-log-exp
pow1
distribute-lft-out
insert-posit16 associate-/l*
associate-/r* associate-*r* associate-*l* associate-/l/
flip3-+ flip3-- frac-add associate-/r/ flip-+ flip-- difference-of-squares
frac-times cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg diff-log div-exp pow-prod-down associate-*l/ prod-exp associate-*r/ *-commutative frac-sub cbrt-unprod div-inv distribute-lft-out-- unswap-sqr
Counts
4 → 90
Calls
4 calls:
49.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
8.0ms
(+ (tan x) (tan eps))
14.0ms
(* (tan x) (tan eps))
99.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.1s

Counts
4 → 12
Calls
4 calls:
295.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
128.0ms
(+ (tan x) (tan eps))
124.0ms
(* (tan x) (tan eps))
506.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify1.3s

Counts
102 → 102
Iterations
IterNodes
done2000
32000
21148
1405
0174

prune562.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 13.5b

localize40.0ms

Local error

Found 4 expressions with local error:

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

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
47×pow1
45×tan-quot
21×frac-times
20×add-cbrt-cube add-exp-log
19×pow-prod-down
15×associate-*r/
14×associate-*l/
12×add-sqr-sqrt
10×prod-exp cbrt-unprod
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
add-log-exp
frac-sub
pow-sqr pow-prod-up insert-posit16
*-commutative
flip3-+ pow-plus associate--l+ flip-+ unswap-sqr
pow2 distribute-rgt-in sub-neg distribute-lft-in flip3-- diff-log swap-sqr flip--
Counts
4 → 114
Calls
4 calls:
27.0ms
(* (tan x) (tan eps))
28.0ms
(* (tan x) (tan eps))
95.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
17.0ms
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

series1.7s

Counts
4 → 12
Calls
4 calls:
165.0ms
(* (tan x) (tan eps))
143.0ms
(* (tan x) (tan eps))
169.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
1.2s
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
done2006
22006
1664
0205

prune768.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 13.5b

localize80.0ms

Local error

Found 4 expressions with local error:

2.4b
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps)))) (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))))) (+ 1 (* (tan x) (tan eps)))) (tan x))
27.5b
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))
27.5b
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))
27.5b
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))

rewrite248.0ms

Algorithm
rewrite-expression-head
Rules
101×tan-quot
53×frac-times
45×cbrt-div
35×associate-*r/
34×associate-*l/
add-log-exp
frac-sub
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
cbrt-prod pow1/3
flip3-+ associate--l+ flip-+
distribute-rgt-in sub-neg distribute-lft-in flip3-- diff-log flip--
Counts
4 → 95
Calls
4 calls:
33.0ms
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps)))) (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))))) (+ 1 (* (tan x) (tan eps)))) (tan x))
83.0ms
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))
78.0ms
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))
50.0ms
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))

series1.9s

Counts
4 → 12
Calls
4 calls:
1.2s
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps)))) (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))))) (+ 1 (* (tan x) (tan eps)))) (tan x))
236.0ms
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))
248.0ms
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))
245.0ms
(cbrt (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))

simplify1.2s

Counts
107 → 107
Iterations
IterNodes
done2001
22001
1523
0190

prune814.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 13.5b

regimes277.0ms

Accuracy

90.3% (0.7b remaining)

Error of 15.5b against oracle of 14.8b and baseline of 22.3b

bsearch335.0ms

Steps
ItersRangePoint
10
1.2035886760163307e-31
1.514112904485791e-15
6.057698547984444e-19
9
-6.13921394360303e-24
-4.043160302816128e-29
-1.3912258087269967e-24

simplify24.0ms

Iterations
IterNodes
done53
153
039

end0.0ms

sample13.3s

Algorithm
intervals
Results
7.0s3297×body1280valid
2.8s641×body2560valid
2.2s1868×body640valid
551.0ms744×body320valid
289.0ms1111×body80valid
176.0ms339×body160valid