Details

Time bar (total: 4.0s)

sample59.0ms

Algorithm
intervals
Results
36.0ms78×body1280valid
9.0ms45×body640valid
3.0ms26×body320valid
2.0ms96×body80valid
1.0ms84×body80nan
1.0ms11×body160valid

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
052
152

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.7b

localize3.0ms

Local error

Found 1 expressions with local error:

3.1b
(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
expm1-log1p-u flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
1 → 17
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(log (+ 1.0 x))

simplify42.0ms

Algorithm
egg-herbie
Counts
20 → 20
Iterations

Useful iterations: 3 (39.0ms)

IterNodesCost
013199
136389
2129286
3500281

prune47.0ms

Filtered
20 candidates to 15 candidates (75.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

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

rewrite31.0ms

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
pow1
associate-*l*
expm1-log1p-u cbrt-unprod log1p-expm1-u add-log-exp
cbrt-undiv associate-*r/ pow-prod-down *-commutative fma-udef div-inv
Counts
2 → 122
Calls
2 calls:
24.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
1.0ms
(fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series100.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
43.0ms
(fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify60.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0560763
12406633
25001632

prune299.0ms

Filtered
128 candidates to 81 candidates (63.3%)
Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize6.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (log (+ 1.0 x)))
0.2b
(* (sqrt (log (+ 1.0 x))) (sqrt (log (+ 1.0 x))))
3.1b
(log (+ 1.0 x))
3.1b
(log (+ 1.0 x))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
30×sqrt-prod
29×pow1
28×add-sqr-sqrt
21×*-un-lft-identity
15×add-cube-cbrt
11×swap-sqr
sqrt-pow1 pow1/2 log-pow
add-exp-log log-prod
associate-*r* associate-*l*
add-cbrt-cube
pow-prod-up
expm1-log1p-u log-div log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
flip3-+ rem-log-exp flip-+ distribute-lft-out
pow2 rem-sqrt-square pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 106
Calls
4 calls:
3.0ms
(sqrt (log (+ 1.0 x)))
7.0ms
(* (sqrt (log (+ 1.0 x))) (sqrt (log (+ 1.0 x))))
3.0ms
(log (+ 1.0 x))
3.0ms
(log (+ 1.0 x))

series226.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(sqrt (log (+ 1.0 x)))
42.0ms
(* (sqrt (log (+ 1.0 x))) (sqrt (log (+ 1.0 x))))
48.0ms
(log (+ 1.0 x))
42.0ms
(log (+ 1.0 x))

simplify55.0ms

Algorithm
egg-herbie
Counts
118 → 118
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0347628
11405567
25002530

prune186.0ms

Filtered
118 candidates to 67 candidates (56.8%)
Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.3b
(- (log (+ (pow 1.0 3) (pow x 3))) (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
3.1b
(log (+ 1.0 x))
16.2b
(log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
17.3b
(log (+ (pow 1.0 3) (pow x 3)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
44×*-un-lft-identity
28×log-prod
20×pow1 add-sqr-sqrt
18×add-cube-cbrt
16×prod-diff log-pow
11×distribute-lft-out
10×log-div
associate--l+
unpow-prod-down cube-prod
add-exp-log
flip3-+ flip-+
expm1-log1p-u fma-neg add-cbrt-cube log1p-expm1-u distribute-lft-out-- add-log-exp
rem-log-exp associate--r+
associate--l- sum-cubes associate--r-
sub-neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 110
Calls
4 calls:
20.0ms
(- (log (+ (pow 1.0 3) (pow x 3))) (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
3.0ms
(log (+ 1.0 x))
6.0ms
(log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
11.0ms
(log (+ (pow 1.0 3) (pow x 3)))

series514.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(- (log (+ (pow 1.0 3) (pow x 3))) (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
40.0ms
(log (+ 1.0 x))
71.0ms
(log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
254.0ms
(log (+ (pow 1.0 3) (pow x 3)))

simplify59.0ms

Algorithm
egg-herbie
Counts
122 → 122
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
05071746
118601350
250021345

prune391.0ms

Filtered
122 candidates to 82 candidates (67.2%)
Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes94.0ms

Accuracy

98.8% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 22.0b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01810
11810

end0.0ms

sample1.6s

Algorithm
intervals
Results
944.0ms2195×body1280valid
345.0ms1690×body640valid
86.0ms824×body320valid
61.0ms2867×body80valid
34.0ms2578×body80nan
25.0ms424×body160valid