Details

Time bar (total: 17.7s)

sample87.0ms

Algorithm
intervals
Results
48.0ms80×body1280valid
20.0ms56×body640valid
4.0ms23×body320valid
4.0ms80×body80valid
2.0ms86×body80nan
2.0ms17×body160valid

simplify8.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
8.0ms
(log (+ 1 x))

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.2b

localize6.0ms

Local error

Found 1 expressions with local error:

4.6b
(log (+ 1 x))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt pow1 log-div add-exp-log add-cube-cbrt
flip3-+ add-cbrt-cube rem-log-exp log-pow flip-+ insert-posit16 distribute-lft-out add-log-exp
Counts
1 → 16
Calls
1 calls:
Slowest
3.0ms
(log (+ 1 x))

series23.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
23.0ms
(log (+ 1 x))

simplify886.0ms

Counts
10 → 19
Calls
10 calls:
Slowest
395.0ms
(- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
200.0ms
(- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2)))
186.0ms
(- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2)))))
53.0ms
(log (+ (pow 1 3) (pow x 3)))
19.0ms
(log (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))

prune120.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize25.0ms

Local error

Found 3 expressions with local error:

0.3b
(* x 1/3)
0.0b
(* x (+ -1/2 (* x 1/3)))
0.0b
(* x (* x (+ -1/2 (* x 1/3))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt pow1 add-cbrt-cube add-exp-log
associate-*l*
*-un-lft-identity add-cube-cbrt
associate-*r*
associate-*r/
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp cbrt-unprod
*-commutative insert-posit16 add-log-exp
flip3-+ flip-+ unswap-sqr
Counts
3 → 67
Calls
3 calls:
Slowest
24.0ms
(* x (* x (+ -1/2 (* x 1/3))))
21.0ms
(* x (+ -1/2 (* x 1/3)))
12.0ms
(* x 1/3)

series202.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
112.0ms
(* x (* x (+ -1/2 (* x 1/3))))
74.0ms
(* x (+ -1/2 (* x 1/3)))
16.0ms
(* x 1/3)

simplify3.3s

Counts
47 → 76
Calls
47 calls:
Slowest
694.0ms
(* (* (* x x) x) (* (* (* x x) x) (* (* (+ -1/2 (* x 1/3)) (+ -1/2 (* x 1/3))) (+ -1/2 (* x 1/3)))))
349.0ms
(* (* (* x x) x) (* (* (* x (+ -1/2 (* x 1/3))) (* x (+ -1/2 (* x 1/3)))) (* x (+ -1/2 (* x 1/3)))))
221.0ms
(* (* (* x x) x) (* (* (+ -1/2 (* x 1/3)) (+ -1/2 (* x 1/3))) (+ -1/2 (* x 1/3))))
216.0ms
(- (* 1/3 (pow x 3)) (* 1/2 (pow x 2)))
206.0ms
(+ (* -1/2 -1/2) (- (* (* x 1/3) (* x 1/3)) (* -1/2 (* x 1/3))))

prune504.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize50.0ms

Local error

Found 4 expressions with local error:

60.3b
(posit16->real (real->posit16 (* x 1/3)))
0.3b
(* x 1/3)
0.0b
(* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))))
0.0b
(* x (* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt pow1 add-cbrt-cube add-exp-log
11×*-un-lft-identity
associate-*l* add-cube-cbrt
associate-*r*
associate-*r/
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp cbrt-unprod
insert-posit16 add-log-exp
*-commutative
flip3-+ flip-+ unswap-sqr
remove-posit16 distribute-lft-out
Counts
4 → 77
Calls
4 calls:
Slowest
38.0ms
(* x (* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))))
24.0ms
(* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))))
10.0ms
(* x 1/3)
1.0ms
(posit16->real (real->posit16 (* x 1/3)))

series274.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
113.0ms
(* x (* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))))
102.0ms
(* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))))
31.0ms
(posit16->real (real->posit16 (* x 1/3)))
26.0ms
(* x 1/3)

simplify3.1s

Counts
51 → 89
Calls
51 calls:
Slowest
505.0ms
(* (* (* x x) x) (* (* (* x x) x) (* (* (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))) (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))) (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))))))
341.0ms
(* (* (* x x) x) (* (* (* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))) (* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))))) (* x (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))))))
299.0ms
(* (* (* x x) x) (* (* (+ -1/2 (posit16->real (real->posit16 (* x 1/3)))) (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))) (+ -1/2 (posit16->real (real->posit16 (* x 1/3))))))
193.0ms
(- (* 1/3 (pow x 3)) (* 1/2 (pow x 2)))
185.0ms
(+ (* -1/2 -1/2) (- (* (posit16->real (real->posit16 (* x 1/3))) (posit16->real (real->posit16 (* x 1/3)))) (* -1/2 (posit16->real (real->posit16 (* x 1/3))))))

prune1.5s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 4 expressions with local error:

4.6b
(log (+ 1 x))
4.6b
(log (+ 1 x))
4.6b
(log (+ 1 x))
0.2b
(cbrt (* (* (log (+ 1 x)) (log (+ 1 x))) (log (+ 1 x))))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
12×log-prod
add-sqr-sqrt pow1 add-exp-log add-cube-cbrt
log-div
add-cbrt-cube insert-posit16 add-log-exp
flip3-+ rem-log-exp log-pow flip-+ distribute-lft-out
cbrt-prod pow1/3 pow3 rem-cbrt-cube
Counts
4 → 59
Calls
4 calls:
Slowest
13.0ms
(cbrt (* (* (log (+ 1 x)) (log (+ 1 x))) (log (+ 1 x))))
11.0ms
(log (+ 1 x))
6.0ms
(log (+ 1 x))
6.0ms
(log (+ 1 x))

series112.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
36.0ms
(cbrt (* (* (log (+ 1 x)) (log (+ 1 x))) (log (+ 1 x))))
30.0ms
(log (+ 1 x))
23.0ms
(log (+ 1 x))
23.0ms
(log (+ 1 x))

simplify3.4s

Counts
35 → 71
Calls
35 calls:
Slowest
393.0ms
(- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
380.0ms
(- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
375.0ms
(- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
345.0ms
(- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
254.0ms
(- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2)))

prune573.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes144.0ms

Accuracy

99.2% (0.1b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 19.7b

bsearch67.0ms

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.8s2376×body1280valid
710.0ms1701×body640valid
213.0ms848×body320valid
172.0ms2675×body80valid
100.0ms2707×body80nan
51.0ms400×body160valid