Details

Time bar (total: 4.0s)

sample59.0ms

Algorithm
intervals
Results
30.0ms68×body1280valid
11.0ms51×body640valid
6.0ms27×body320valid
2.0ms100×body80valid
1.0ms85×body80nan
1.0ms10×body160valid

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
052
152

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.9b

localize4.0ms

Local error

Found 1 expressions with local error:

3.0b
(log (+ 1.0 x))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series43.0ms

Counts
1 → 3
Calls
1 calls:
43.0ms
(log (+ 1.0 x))

simplify41.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 3 (38.0ms)

IterNodesCost
012295
132786
2116181
3500278

prune42.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
70×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
36×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp add-log-exp
pow1
associate-*r/ associate-*l*
diff-log frac-sub cbrt-unprod
cbrt-undiv sub-neg flip3-- flip3-+ pow-prod-down associate--l+ sum-log *-commutative flip-- flip-+ div-inv
Counts
2 → 126
Calls
2 calls:
21.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
7.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

series97.0ms

Counts
2 → 6
Calls
2 calls:
55.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
42.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

simplify73.0ms

Algorithm
egg-herbie
Counts
132 → 132
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
0676950
13419758
25001757

prune298.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
1.7b
(exp (log (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
73×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
39×add-cube-cbrt *-un-lft-identity
26×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
add-log-exp
pow1 pow-to-exp pow-exp
associate-*r/
log-div exp-prod exp-diff frac-sub
log-prod associate-*l* exp-sum
flip3-- flip3-+ diff-log flip-- cbrt-unprod flip-+
cbrt-undiv sub-neg pow-prod-down associate--l+ sum-log log-pow *-commutative div-inv rem-exp-log
Counts
3 → 145
Calls
3 calls:
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
7.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
8.0ms
(exp (log (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

series141.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
47.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
43.0ms
(exp (log (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

simplify83.0ms

Algorithm
egg-herbie
Counts
154 → 154
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
07251187
130611047
250011021

prune364.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
1.8b
(pow E (log (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
74×add-sqr-sqrt
68×associate-*r*
59×unpow-prod-down
40×add-cube-cbrt *-un-lft-identity
27×add-exp-log
25×sqr-pow
24×unpow2
17×unswap-sqr
10×prod-exp
div-exp
pow-exp add-cbrt-cube
pow1 pow-to-exp add-log-exp
associate-*r/
log-div pow-unpow frac-sub pow-sub
unpow-prod-up log-prod associate-*l*
flip3-- flip3-+ diff-log flip-- cbrt-unprod flip-+
cbrt-undiv sub-neg e-exp-1 pow-pow pow-prod-down associate--l+ sum-log log-pow *-commutative div-inv
Counts
3 → 152
Calls
3 calls:
21.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
7.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
8.0ms
(pow E (log (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

series323.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
42.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
223.0ms
(pow E (log (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

simplify94.0ms

Algorithm
egg-herbie
Counts
161 → 161
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
09111439
138461305
250021300

prune403.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes68.0ms

Accuracy

99.3% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.9b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02111
12111

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.0s2309×body1280valid
341.0ms1665×body640valid
81.0ms787×body320valid
59.0ms2855×body80valid
34.0ms2648×body80nan
23.0ms384×body160valid