Details

Time bar (total: 9.0s)

sample40.0ms

Algorithm
intervals
Results
12.0ms68×body1280valid
8.0ms76×body10240exit
5.0ms47×body640valid
2.0ms102×body80valid
2.0ms29×body320valid
0.0ms10×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
057
177
287
done87

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.8b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (exp x) (- (exp x) 1.0))
2.6b
(- (exp x) 1.0)

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log fma-neg associate-/l*
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 67
Calls
2 calls:
34.0ms
(/ (exp x) (- (exp x) 1.0))
13.0ms
(- (exp x) 1.0)

series68.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(/ (exp x) (- (exp x) 1.0))
27.0ms
(- (exp x) 1.0)

simplify3.0s

Counts
73 → 73
Iterations

Useful iterations: done (3.0s)

IterNodesCost
0117900
1239790
2511706
31486679
done5001650

prune218.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (fma 1/12 x (/ 1 x)) 1/2)
0.1b
(fma 1/12 x (/ 1 x))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-log-exp
add-sqr-sqrt add-cube-cbrt fma-def
pow1 add-exp-log expm1-log1p-u add-cbrt-cube fma-udef log1p-expm1-u
+-commutative associate-+l+ flip3-+ sum-log flip-+ distribute-lft-out
Counts
2 → 28
Calls
2 calls:
8.0ms
(+ (fma 1/12 x (/ 1 x)) 1/2)
0.0ms
(fma 1/12 x (/ 1 x))

series90.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(+ (fma 1/12 x (/ 1 x)) 1/2)
58.0ms
(fma 1/12 x (/ 1 x))

simplify1.3s

Counts
34 → 34
Iterations

Useful iterations: done (1.3s)

IterNodesCost
041329
192303
2256286
31199280
done5001279

prune109.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (exp x) 3)
0.0b
(* (exp x) (exp x))
0.0b
(* (/ (exp x) (- (pow (exp x) 3) (pow 1.0 3))) (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0))))
2.6b
(- (pow (exp x) 3) (pow 1.0 3))

rewrite373.0ms

Algorithm
rewrite-expression-head
Rules
226×add-sqr-sqrt
163×*-un-lft-identity
144×prod-diff
126×unpow-prod-down cube-prod
123×add-cube-cbrt
84×associate-*l*
76×times-frac
64×difference-of-squares
58×sqr-pow
26×cube-mult unpow3
21×exp-prod
20×distribute-lft-out--
14×pow1
12×fma-neg add-cbrt-cube
add-exp-log
associate-*r* add-log-exp
pow-prod-down
difference-cubes expm1-log1p-u pow-pow pow-sqr pow-prod-up log1p-expm1-u
pow-unpow swap-sqr prod-exp cbrt-unprod unswap-sqr
frac-times flip3-- flip3-+ associate-*r/ associate-/r/ *-commutative flip-- flip-+
cbrt-undiv pow2 distribute-rgt-in pow-to-exp sub-neg distribute-lft-in pow-plus diff-log div-exp associate-*l/ pow-exp div-inv rem-cube-cbrt
Counts
4 → 364
Calls
4 calls:
5.0ms
(pow (exp x) 3)
19.0ms
(* (exp x) (exp x))
247.0ms
(* (/ (exp x) (- (pow (exp x) 3) (pow 1.0 3))) (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0))))
82.0ms
(- (pow (exp x) 3) (pow 1.0 3))

series295.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(pow (exp x) 3)
15.0ms
(* (exp x) (exp x))
186.0ms
(* (/ (exp x) (- (pow (exp x) 3) (pow 1.0 3))) (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0))))
63.0ms
(- (pow (exp x) 3) (pow 1.0 3))

simplify771.0ms

Counts
376 → 376
Iterations

Useful iterations: done (753.0ms)

IterNodesCost
040710158
112086569
done50005729

prune845.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes45.0ms

Accuracy

99% (0.2b remaining)

Error of 0.7b against oracle of 0.5b and baseline of 21.5b

bsearch1.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02339
13039
done3039

end0.0ms

sample1.7s

Algorithm
intervals
Results
560.0ms2201×body1280valid
411.0ms2484×body10240exit
276.0ms1708×body640valid
88.0ms811×body320valid
87.0ms2888×body80valid
26.0ms392×body160valid