Details

Time bar (total: 28.4s)

sample62.0ms

Algorithm
intervals
Results
19.0ms45×body640valid
18.0ms51×body1280valid
10.0ms137×body80valid
3.0ms15×body320valid
1.0msbody160valid

simplify15.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
15.0ms
(- (cbrt (+ x 1)) (cbrt x))

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.3b

localize22.0ms

Local error

Found 3 expressions with local error:

2.3b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
64×cbrt-prod
56×*-un-lft-identity
42×prod-diff
41×add-sqr-sqrt
33×add-cube-cbrt
distribute-lft-out
fma-neg
add-log-exp
difference-of-squares
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u distribute-lft-out--
cbrt-div pow1/3
sub-neg flip3-+ flip3-- diff-log flip-+ flip--
Counts
3 → 102
Calls
3 calls:
Slowest
59.0ms
(- (cbrt (+ x 1)) (cbrt x))
3.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)

series457.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
289.0ms
(cbrt x)
122.0ms
(- (cbrt (+ x 1)) (cbrt x))
45.0ms
(cbrt (+ x 1))

simplify7.0s

Counts
122 → 111
Calls
122 calls:
Slowest
350.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
296.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (* 5/81 (pow (/ 1 (pow x 8)) 1/3))) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
283.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
226.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
191.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2))))

prune923.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 14.6b

localize28.0ms

Local error

Found 4 expressions with local error:

2.3b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))
0.0b
(expm1 (log1p (- (cbrt (+ x 1)) (cbrt x))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
64×cbrt-prod
57×*-un-lft-identity
42×add-sqr-sqrt prod-diff
34×add-cube-cbrt
distribute-lft-out
fma-neg
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u difference-of-squares
distribute-lft-out--
cbrt-div pow1/3
expm1-log1p sub-neg flip3-+ flip3-- diff-log flip-+ flip-- expm1-udef
Counts
4 → 114
Calls
4 calls:
Slowest
48.0ms
(- (cbrt (+ x 1)) (cbrt x))
3.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)
0.0ms
(expm1 (log1p (- (cbrt (+ x 1)) (cbrt x))))

series625.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
303.0ms
(cbrt x)
175.0ms
(expm1 (log1p (- (cbrt (+ x 1)) (cbrt x))))
93.0ms
(- (cbrt (+ x 1)) (cbrt x))
55.0ms
(cbrt (+ x 1))

simplify8.1s

Counts
126 → 126
Calls
126 calls:
Slowest
388.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
322.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
312.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
291.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
274.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (* 5/81 (pow (/ 1 (pow x 8)) 1/3))) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))

prune1.3s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 14.6b

localize48.0ms

Local error

Found 4 expressions with local error:

2.2b
(- (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
pow1/3
sub-neg flip3-- fma-neg diff-log prod-diff flip-- difference-of-squares
Counts
4 → 60
Calls
4 calls:
Slowest
38.0ms
(- (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series953.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
296.0ms
(cbrt x)
288.0ms
(cbrt x)
246.0ms
(cbrt x)
123.0ms
(- (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))

simplify1.6s

Counts
27 → 72
Calls
27 calls:
Slowest
296.0ms
(- (+ (* 4/81 (pow (/ 1 (pow x 7)) 1/3)) (* 2/3 (pow (/ 1 x) 1/3))) (* 1/9 (pow (/ 1 (pow x 4)) 1/3)))
265.0ms
(- (+ (* 2/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 2/3)))
209.0ms
(/ (exp (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (exp (* (cbrt x) (cbrt x))))
179.0ms
(- (+ (* 2/3 (pow (/ 1 x) 1/3)) (pow (/ -1 x) -2/3)) (+ (* (pow (pow x 2) 1/3) (pow (cbrt -1) 2)) (* 1/9 (pow (/ 1 (pow x 4)) 1/3))))
139.0ms
(* (pow (* x -1) 1/3) (cbrt -1))

prune920.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.5b

localize32.0ms

Local error

Found 4 expressions with local error:

28.3b
(fma (cbrt (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (cbrt (cbrt (+ x 1))) (- (cbrt x)))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))
0.3b
(cbrt (+ x 1))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
11×cbrt-prod *-un-lft-identity
add-sqr-sqrt add-cube-cbrt
expm1-log1p-u pow1 cbrt-div add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3
flip3-+ flip-+ distribute-lft-out
fma-udef
Counts
4 → 59
Calls
4 calls:
Slowest
3.0ms
(cbrt (+ x 1))
2.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)
0.0ms
(fma (cbrt (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (cbrt (cbrt (+ x 1))) (- (cbrt x)))

series532.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
299.0ms
(cbrt x)
142.0ms
(fma (cbrt (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (cbrt (cbrt (+ x 1))) (- (cbrt x)))
49.0ms
(cbrt (+ x 1))
41.0ms
(cbrt (+ x 1))

simplify3.1s

Counts
27 → 71
Calls
27 calls:
Slowest
597.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2))))
395.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow x 1/3)) (+ (pow (/ 1 x) -1/3) (* 1/9 (pow (/ 1 (pow x 5)) 1/3))))
361.0ms
(- (+ (* 1/3 (* (pow (/ 1 (pow x 7)) 1/9) (exp (* 1/9 (- (log -1) (log (/ -1 x))))))) (* (pow (pow x 2) 1/9) (exp (* 1/9 (- (log -1) (log (/ -1 x))))))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (* (pow (/ 1 (pow x 16)) 1/9) (exp (* 1/9 (- (log -1) (log (/ -1 x)))))))))
262.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2))))
252.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))

prune772.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.5b

regimes88.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 30.3b

bsearch190.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
586.0ms1716×body1280valid
338.0ms4038×body80valid
283.0ms1311×body640valid
98.0ms611×body320valid
72.0ms324×body160valid