Details

Time bar (total: 27.5s)

sample225.0ms

Algorithm
intervals
Results
112.0ms110×body1280valid
44.0ms22×body2560valid
29.0ms50×body640valid
18.0ms30×body320valid
5.0ms16×body160valid
3.0ms28×body80valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune50.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.4b

localize16.0ms

Local error

Found 2 expressions with local error:

1.7b
(- (tan (+ x eps)) (tan x))
3.2b
(tan (+ x eps))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
tan-quot add-log-exp
fma-neg
expm1-log1p-u pow1 tan-sum add-cbrt-cube add-exp-log frac-sub log1p-expm1-u
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
24.0ms
(- (tan (+ x eps)) (tan x))
8.0ms
(tan (+ x eps))

series223.0ms

Counts
2 → 6
Calls
2 calls:
146.0ms
(- (tan (+ x eps)) (tan x))
77.0ms
(tan (+ x eps))

simplify2.9s

Counts
47 → 47
Iterations
IterNodes
done5000
44117
31335
2453
1203
094

prune294.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 16.5b

localize42.0ms

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))
3.3b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite188.0ms

Algorithm
rewrite-expression-head
Rules
102×*-un-lft-identity
73×add-sqr-sqrt
66×add-cube-cbrt
61×times-frac
54×prod-diff
18×fma-neg
17×distribute-lft-out
10×associate-/r/
tan-quot
add-cbrt-cube add-exp-log add-log-exp
pow1 flip3-- flip--
div-inv
expm1-log1p-u log1p-expm1-u associate-/l*
associate-/r* fma-def associate-*r* associate-*l* associate-/l/
flip3-+ frac-add 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 distribute-lft-out-- unswap-sqr
Counts
4 → 169
Calls
4 calls:
26.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
7.0ms
(+ (tan x) (tan eps))
15.0ms
(* (tan x) (tan eps))
129.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.2s

Counts
4 → 12
Calls
4 calls:
341.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
157.0ms
(+ (tan x) (tan eps))
144.0ms
(* (tan x) (tan eps))
583.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify2.1s

Counts
181 → 181
Iterations
IterNodes
done5000
21645
1576
0238

prune951.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 16.4b

localize74.0ms

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)))
3.3b
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
47×pow1
40×tan-quot
20×add-cbrt-cube add-exp-log
19×frac-times pow-prod-down
13×associate-*l/ associate-*r/
12×add-sqr-sqrt
10×prod-exp cbrt-unprod
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u pow-sqr pow-prod-up log1p-expm1-u add-log-exp
*-commutative
pow-plus unswap-sqr
pow2 swap-sqr fma-udef
Counts
4 → 107
Calls
4 calls:
12.0ms
(* (tan x) (tan eps))
13.0ms
(* (tan x) (tan eps))
97.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
1.0ms
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

series1.3s

Counts
4 → 12
Calls
4 calls:
123.0ms
(* (tan x) (tan eps))
128.0ms
(* (tan x) (tan eps))
165.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
917.0ms
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

simplify1.6s

Counts
119 → 119
Iterations
IterNodes
done5001
21594
1443
0157

prune940.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 16.4b

localize82.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.3b
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
0.4b
(pow (* (tan x) (tan eps)) 3)
3.3b
(fma (/ (+ (tan x) (tan eps)) (- (pow 1 3) (pow (* (tan x) (tan eps)) 3))) (+ (* 1 1) (+ (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* 1 (* (tan x) (tan eps))))) (- (tan x)))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
48×pow1
40×tan-quot
21×add-cbrt-cube add-exp-log
19×frac-times pow-prod-down
13×associate-*l/ associate-*r/
10×prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*r* associate-*l* pow-sqr pow-prod-up log1p-expm1-u add-log-exp
cube-div pow-unpow
pow-pow pow-plus pow-exp *-commutative rem-cube-cbrt
pow2 cube-mult pow-to-exp unpow-prod-down unpow3 cube-prod swap-sqr fma-udef unswap-sqr sqr-pow
Counts
4 → 111
Calls
4 calls:
24.0ms
(* (tan x) (tan eps))
79.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
20.0ms
(pow (* (tan x) (tan eps)) 3)
1.0ms
(fma (/ (+ (tan x) (tan eps)) (- (pow 1 3) (pow (* (tan x) (tan eps)) 3))) (+ (* 1 1) (+ (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* 1 (* (tan x) (tan eps))))) (- (tan x)))

series2.3s

Counts
4 → 12
Calls
4 calls:
140.0ms
(* (tan x) (tan eps))
191.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
176.0ms
(pow (* (tan x) (tan eps)) 3)
1.7s
(fma (/ (+ (tan x) (tan eps)) (- (pow 1 3) (pow (* (tan x) (tan eps)) 3))) (+ (* 1 1) (+ (* (* (tan x) (tan eps)) (* (tan x) (tan eps))) (* 1 (* (tan x) (tan eps))))) (- (tan x)))

simplify2.7s

Counts
123 → 123
Iterations
IterNodes
done5573
22805
1699
0212

prune735.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 16.4b

regimes244.0ms

Accuracy

88.5% (0.9b remaining)

Error of 15.4b against oracle of 14.6b and baseline of 22.0b

bsearch268.0ms

Steps
ItersRangePoint
9
2.786526732181471e-40
5.824320714786293e-34
5.041570059440358e-35
10
-1212215.9807367995
-5.980124527132304e-10
-6.095793693328762e-10

simplify7.0ms

Iterations
IterNodes
done46
146
036

end0.0ms

sample8.8s

Algorithm
intervals
Results
4.4s3309×body1280valid
1.8s1843×body640valid
1.5s655×body2560valid
436.0ms775×body320valid
283.0ms1098×body80valid
118.0ms320×body160valid