Details

Time bar (total: 50.9s)

sample315.0ms

Algorithm
intervals
Results
167.0ms104×body1280valid
50.0ms21×body2560valid
45.0ms52×body640valid
12.0ms28×body320valid
5.0ms16×body160valid
5.0ms35×body80valid

simplify18.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize72.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (tan (+ x eps)) (tan x))
3.9b
(tan (+ x eps))

rewrite86.0ms

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 insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 43
Calls
2 calls:
61.0ms
(- (tan (+ x eps)) (tan x))
22.0ms
(tan (+ x eps))

series404.0ms

Counts
2 → 6
Calls
2 calls:
265.0ms
(- (tan (+ x eps)) (tan x))
138.0ms
(tan (+ x eps))

simplify7.5s

Counts
49 → 49
Iterations
IterNodes
done5000
44037
31342
2455
1205
096

prune727.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.1b

localize96.0ms

Local error

Found 4 expressions with local error:

0.1b
(- 1 (* (tan x) (tan eps)))
0.1b
(+ (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
2.8b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite393.0ms

Algorithm
rewrite-expression-head
Rules
87×*-un-lft-identity
66×add-sqr-sqrt
59×add-cube-cbrt
57×prod-diff
49×times-frac
21×fma-neg
13×distribute-lft-out
10×add-log-exp
associate-/r/
tan-quot
pow1 flip3-- add-cbrt-cube add-exp-log flip--
expm1-log1p-u insert-posit16 log1p-expm1-u div-inv
fma-def associate-*r* associate-*l*
sub-neg diff-log difference-of-squares
frac-times +-commutative sum-log flip3-+ pow-prod-down associate-*l/ frac-add prod-exp associate-*r/ *-commutative frac-sub cbrt-unprod flip-+ distribute-lft-out-- unswap-sqr
Counts
4 → 155
Calls
4 calls:
18.0ms
(- 1 (* (tan x) (tan eps)))
20.0ms
(+ (tan x) (tan eps))
41.0ms
(* (tan x) (tan eps))
295.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.9s

Counts
4 → 12
Calls
4 calls:
285.0ms
(- 1 (* (tan x) (tan eps)))
228.0ms
(+ (tan x) (tan eps))
222.0ms
(* (tan x) (tan eps))
1.1s
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify8.8s

Counts
167 → 167
Iterations
IterNodes
done5000
34926
21507
1570
0243

prune1.8s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 14.0b

localize171.0ms

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)))
2.9b
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

rewrite324.0ms

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 insert-posit16 log1p-expm1-u add-log-exp
*-commutative
pow-plus unswap-sqr
pow2 swap-sqr fma-udef
Counts
4 → 111
Calls
4 calls:
55.0ms
(* (tan x) (tan eps))
37.0ms
(* (tan x) (tan eps))
214.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
3.0ms
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

series2.9s

Counts
4 → 12
Calls
4 calls:
253.0ms
(* (tan x) (tan eps))
215.0ms
(* (tan x) (tan eps))
334.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
2.1s
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

simplify3.6s

Counts
123 → 123
Iterations
IterNodes
done5000
21588
1448
0160

prune1.7s

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 14.0b

localize190.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (tan x) (tan x)) (* (tan eps) (tan eps)))
0.2b
(* (tan eps) (tan eps))
0.3b
(* (tan x) (tan x))
2.9b
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan x)) (* (tan eps) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

rewrite350.0ms

Algorithm
rewrite-expression-head
Rules
46×pow1
40×tan-quot
20×add-cbrt-cube add-exp-log
19×frac-times
16×add-sqr-sqrt pow-prod-down
13×associate-*l/ associate-*r/
12×*-un-lft-identity add-cube-cbrt
10×prod-exp cbrt-unprod
associate-*r* associate-*l*
pow-plus swap-sqr pow-prod-up
pow2 expm1-log1p-u pow-sqr insert-posit16 log1p-expm1-u add-log-exp
*-commutative unswap-sqr
fma-udef
Counts
4 → 120
Calls
4 calls:
247.0ms
(* (* (tan x) (tan x)) (* (tan eps) (tan eps)))
44.0ms
(* (tan eps) (tan eps))
47.0ms
(* (tan x) (tan x))
3.0ms
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan x)) (* (tan eps) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

series2.7s

Counts
4 → 12
Calls
4 calls:
360.0ms
(* (* (tan x) (tan x)) (* (tan eps) (tan eps)))
108.0ms
(* (tan eps) (tan eps))
99.0ms
(* (tan x) (tan x))
2.1s
(fma (/ (+ (tan x) (tan eps)) (- (* 1 1) (* (* (tan x) (tan x)) (* (tan eps) (tan eps))))) (+ 1 (* (tan x) (tan eps))) (- (tan x)))

simplify4.5s

Counts
132 → 132
Iterations
IterNodes
done5003
21952
1554
0184

prune1.6s

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 13.9b

regimes921.0ms

Accuracy

83.6% (1.2b remaining)

Error of 15.1b against oracle of 14.0b and baseline of 21.0b

bsearch297.0ms

Steps
ItersRangePoint
8
1.980106668111445e-74
1.4011542472758516e-71
8.448789684450496e-72
8
-5.1266664932071965e-87
-1.4042772886075332e-89
-5.060005299698439e-87

simplify16.0ms

Iterations
IterNodes
done40
140
028

end0.0ms

sample9.5s

Algorithm
intervals
Results
4.6s3245×body1280valid
2.0s1924×body640valid
1.5s617×body2560valid
740.0ms760×body320valid
250.0ms1085×body80valid
146.0ms369×body160valid