Details

Time bar (total: 28.8s)

sample298.0ms

Algorithm
intervals
Results
127.0ms112×body1280valid
68.0ms25×body2560valid
67.0ms55×body640valid
10.0ms21×body320valid
5.0ms36×body80valid
2.0msbody160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.9b

localize25.0ms

Local error

Found 2 expressions with local error:

1.4b
(- (tan (+ x eps)) (tan x))
3.2b
(tan (+ x eps))

rewrite54.0ms

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
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 25
Calls
2 calls:
43.0ms
(- (tan (+ x eps)) (tan x))
10.0ms
(tan (+ x eps))

series177.0ms

Counts
2 → 6
Calls
2 calls:
105.0ms
(- (tan (+ x eps)) (tan x))
71.0ms
(tan (+ x eps))

simplify1.0s

Counts
31 → 31
Iterations
IterNodes
done5000
31176
2355
1137
068

prune270.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 17.2b

localize30.0ms

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))

rewrite157.0ms

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
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 → 86
Calls
4 calls:
44.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
12.0ms
(+ (tan x) (tan eps))
15.0ms
(* (tan x) (tan eps))
82.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.2s

Counts
4 → 12
Calls
4 calls:
330.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
141.0ms
(+ (tan x) (tan eps))
151.0ms
(* (tan x) (tan eps))
554.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify1.3s

Counts
98 → 98
Iterations
IterNodes
done5000
21663
1411
0170

prune652.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 17.1b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
0.3b
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
2.7b
(- (* (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

rewrite227.0ms

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
*-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 → 110
Calls
4 calls:
23.0ms
(* (tan x) (tan eps))
24.0ms
(* (tan x) (tan eps))
100.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
72.0ms
(- (* (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

series1.8s

Counts
4 → 12
Calls
4 calls:
117.0ms
(* (tan x) (tan eps))
140.0ms
(* (tan x) (tan eps))
174.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
1.4s
(- (* (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

simplify3.3s

Counts
122 → 122
Iterations
IterNodes
done5001
24708
1658
0201

prune845.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 17.1b

localize73.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.3b
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
2.7b
(- (/ (+ (tan x) (tan eps)) (- 1 (cbrt (* (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* (tan x) (tan eps)))))) (tan x))
28.4b
(cbrt (* (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* (tan x) (tan eps))))

rewrite381.0ms

Algorithm
rewrite-expression-head
Rules
229×tan-quot
147×frac-times
87×associate-*l/
75×associate-*r/
63×cbrt-div
45×pow1
18×add-cbrt-cube pow-prod-down add-exp-log
13×add-sqr-sqrt
prod-exp cbrt-unprod
*-un-lft-identity
add-cube-cbrt add-log-exp
associate-*r* associate-*l* pow-sqr pow-prod-up
pow-plus *-commutative difference-of-squares
cbrt-prod pow2 sub-neg times-frac flip3-- pow1/3 diff-log swap-sqr pow3 frac-sub rem-cbrt-cube flip-- distribute-lft-out-- unswap-sqr
Counts
4 → 159
Calls
4 calls:
17.0ms
(* (tan x) (tan eps))
81.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
107.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (cbrt (* (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* (tan x) (tan eps)))))) (tan x))
156.0ms
(cbrt (* (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* (tan x) (tan eps))))

series1.1s

Counts
4 → 12
Calls
4 calls:
161.0ms
(* (tan x) (tan eps))
183.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
609.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (cbrt (* (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* (tan x) (tan eps)))))) (tan x))
156.0ms
(cbrt (* (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* (tan x) (tan eps))))

simplify2.1s

Counts
171 → 171
Iterations
IterNodes
done5001
24475
1883
0356

prune1.6s

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 17.1b

regimes379.0ms

Accuracy

87.9% (0.9b remaining)

Error of 15.1b against oracle of 14.2b and baseline of 21.6b

bsearch290.0ms

Steps
ItersRangePoint
7
5.079933422117934e-58
2.9620640772918567e-56
2.3554387517440553e-56
10
-3.2052418334402957e-07
-8.353467643873847e-20
-1.538105143778487e-19

simplify7.0ms

Iterations
IterNodes
done40
140
030

end0.0ms

sample11.4s

Algorithm
intervals
Results
5.2s3223×body1280valid
2.5s1870×body640valid
2.5s651×body2560valid
465.0ms786×body320valid
224.0ms351×body160valid
183.0ms1119×body80valid