Details

Time bar (total: 9.1s)

sample52.0ms

Algorithm
intervals
Results
27.0ms67×body10240exit
10.0ms271×body80valid
2.0msbody640valid
1.0msbody320valid
1.0msbody1280valid
0.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
1129
2199
done199

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (log (+ 1.0 (exp x))) (* x y))
0.5b
(log (+ 1.0 (exp x)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt add-cube-cbrt log-div associate--l+
pow1 add-exp-log add-log-exp
associate--l- flip3-+ add-cbrt-cube flip-+ distribute-lft-out
sub-neg flip3-- diff-log rem-log-exp log-pow flip--
Counts
2 → 33
Calls
2 calls:
5.0ms
(- (log (+ 1.0 (exp x))) (* x y))
3.0ms
(log (+ 1.0 (exp x)))

series123.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(- (log (+ 1.0 (exp x))) (* x y))
63.0ms
(log (+ 1.0 (exp x)))

simplify1.7s

Counts
39 → 39
Iterations

Useful iterations: 4 (779.0ms)

IterNodesCost
083463
1179437
2436415
31188409
43751407
done5000407

prune94.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x)) (log 2.0)) (* x y))
0.0b
(+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))

rewrite530.0ms

Algorithm
rewrite-expression-head
Rules
11×add-log-exp
associate-+l+ sum-log
sub-neg diff-log
pow1 add-exp-log distribute-rgt-in add-sqr-sqrt add-cube-cbrt *-un-lft-identity distribute-lft-in add-cbrt-cube
+-commutative flip3-- flip3-+ associate--l+ flip-- flip-+
Counts
2 → 30
Calls
2 calls:
514.0ms
(- (+ (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x)) (log 2.0)) (* x y))
15.0ms
(+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))

series215.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(- (+ (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x)) (log 2.0)) (* x y))
148.0ms
(+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))

simplify1.5s

Counts
36 → 36
Iterations

Useful iterations: 3 (555.0ms)

IterNodesCost
075886
1229871
2849785
33602686
done5001686

prune97.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log (+ 1.0 (exp x))) (* x y))
0.5b
(log (+ 1.0 (exp x)))
0.7b
(pow (- (log (+ 1.0 (exp x))) (* x y)) 3)
14.7b
(cbrt (pow (- (log (+ 1.0 (exp x))) (* x y)) 3))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
12×cbrt-prod add-sqr-sqrt add-cube-cbrt
log-prod
pow1 add-exp-log unpow-prod-down cube-prod
add-cbrt-cube add-log-exp
cube-div log-div associate--l+
pow-unpow flip3-- flip--
associate--l- cube-mult cbrt-div flip3-+ unpow3 flip-+ distribute-lft-out sqr-pow
pow-to-exp sub-neg pow-pow pow1/3 diff-log rem-log-exp pow-exp log-pow rem-cbrt-cube rem-cube-cbrt
Counts
4 → 81
Calls
4 calls:
5.0ms
(- (log (+ 1.0 (exp x))) (* x y))
3.0ms
(log (+ 1.0 (exp x)))
4.0ms
(pow (- (log (+ 1.0 (exp x))) (* x y)) 3)
4.0ms
(cbrt (pow (- (log (+ 1.0 (exp x))) (* x y)) 3))

series306.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- (log (+ 1.0 (exp x))) (* x y))
61.0ms
(log (+ 1.0 (exp x)))
125.0ms
(pow (- (log (+ 1.0 (exp x))) (* x y)) 3)
60.0ms
(cbrt (pow (- (log (+ 1.0 (exp x))) (* x y)) 3))

simplify430.0ms

Counts
93 → 93
Iterations

Useful iterations: done (427.0ms)

IterNodesCost
01551610
13631365
211181255
done50001241

prune223.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

localize21.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow (log 2.0) 2)
1.0b
(pow (log 2.0) 2)
1.0b
(pow (log 2.0) 3)
8.0b
(cbrt (+ (+ (pow (log 2.0) 3) (* 1.5 (* (pow (log 2.0) 2) x))) (* (pow x 2) (+ (* 0.75 (log 2.0)) (* 0.375 (pow (log 2.0) 2))))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt add-cube-cbrt unpow-prod-down *-un-lft-identity
11×pow1
pow-unpow
add-exp-log
cbrt-div
flip3-+ add-cbrt-cube flip-+
cube-prod associate-*r/ frac-add log-pow add-log-exp
cbrt-prod pow-to-exp pow-pow pow-exp sqr-pow
unpow2
cube-mult pow1/3 unpow3 rem-cube-cbrt
Counts
4 → 80
Calls
4 calls:
1.0ms
(pow (log 2.0) 2)
1.0ms
(pow (log 2.0) 2)
1.0ms
(pow (log 2.0) 3)
45.0ms
(cbrt (+ (+ (pow (log 2.0) 3) (* 1.5 (* (pow (log 2.0) 2) x))) (* (pow x 2) (+ (* 0.75 (log 2.0)) (* 0.375 (pow (log 2.0) 2))))))

series628.0ms

Counts
4 → 6
Calls
4 calls:
0.0ms
(pow (log 2.0) 2)
0.0ms
(pow (log 2.0) 2)
0.0ms
(pow (log 2.0) 3)
627.0ms
(cbrt (+ (+ (pow (log 2.0) 3) (* 1.5 (* (pow (log 2.0) 2) x))) (* (pow x 2) (+ (* 0.75 (log 2.0)) (* 0.375 (pow (log 2.0) 2))))))

simplify1.0s

Counts
86 → 86
Iterations

Useful iterations: 2 (288.0ms)

IterNodesCost
01892179
15661936
226251810
done50001810

prune265.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes85.0ms

Accuracy

0% (0.2b remaining)

Error of 0.6b against oracle of 0.3b and baseline of 0.6b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1109
done109

end0.0ms

sample1.7s

Algorithm
intervals
Results
999.0ms2440×body10240exit
317.0ms8379×body80valid
72.0ms271×body640valid
50.0ms100×body1280valid
30.0ms190×body320valid
12.0ms123×body160valid