Details

Time bar (total: 14.1s)

sample70.0ms

Algorithm
intervals
Results
30.0ms69×body1280valid
14.0ms51×body640valid
7.0ms20×body2560valid
5.0ms33×body320valid
3.0ms71×body80valid
1.0ms12×body160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done9
19
07

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 54.5b

localize41.0ms

Local error

Found 3 expressions with local error:

1.0b
(+ x (sqrt (+ (* x x) 1.0)))
3.1b
(log (+ x (sqrt (+ (* x x) 1.0))))
15.2b
(sqrt (+ (* x x) 1.0))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt add-log-exp
log-prod add-exp-log
flip3-+ add-cbrt-cube sqrt-prod flip-+
log-div sqrt-div distribute-lft-out
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 rem-log-exp log-pow
Counts
3 → 42
Calls
3 calls:
28.0ms
(+ x (sqrt (+ (* x x) 1.0)))
26.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
16.0ms
(sqrt (+ (* x x) 1.0))

series435.0ms

Counts
3 → 9
Calls
3 calls:
104.0ms
(+ x (sqrt (+ (* x x) 1.0)))
249.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
81.0ms
(sqrt (+ (* x x) 1.0))

simplify1.1s

Counts
51 → 51
Iterations
IterNodes
done5001
21377
1320
0134

prune243.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 2 expressions with local error:

0.1b
(* x (* x x))
0.1b
(* (/ (* x (* x x)) (sqrt 1.0)) (/ 1/6 1.0))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
39×add-cbrt-cube add-exp-log
19×add-sqr-sqrt
18×pow1
17×prod-exp cbrt-unprod
16×times-frac
14×associate-*r*
13×*-un-lft-identity associate-*l* add-cube-cbrt
10×cbrt-undiv div-exp
pow-prod-up
pow-prod-down
sqrt-prod unswap-sqr
*-commutative div-inv add-log-exp
pow2 frac-times pow-plus cube-unmult associate-*l/ associate-*r/ pow-sqr
Counts
2 → 77
Calls
2 calls:
13.0ms
(* x (* x x))
51.0ms
(* (/ (* x (* x x)) (sqrt 1.0)) (/ 1/6 1.0))

series154.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(* x (* x x))
98.0ms
(* (/ (* x (* x x)) (sqrt 1.0)) (/ 1/6 1.0))

simplify2.3s

Counts
83 → 83
Iterations
IterNodes
done5001
23548
1453
0141

prune350.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize18.0ms

Local error

Found 3 expressions with local error:

0.1b
(* x (* x x))
0.2b
(/ 0.125 (* x (* x x)))
9.5b
(log (+ x (- (+ x (/ 0.5 x)) (/ 0.125 (* x (* x x))))))

rewrite241.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log
17×add-cbrt-cube
16×*-un-lft-identity
add-sqr-sqrt
add-cube-cbrt
log-prod prod-exp cbrt-unprod
pow-prod-up
distribute-lft-out
cbrt-undiv times-frac div-exp associate-*l* pow-prod-down associate-/l* add-log-exp
log-div distribute-lft-out--
pow2 clear-num associate-/r* frac-2neg flip3-+ pow-plus cube-unmult rem-log-exp associate-*r* pow-sqr log-pow *-commutative flip-+ div-inv unswap-sqr
Counts
3 → 64
Calls
3 calls:
17.0ms
(* x (* x x))
26.0ms
(/ 0.125 (* x (* x x)))
196.0ms
(log (+ x (- (+ x (/ 0.5 x)) (/ 0.125 (* x (* x x))))))

series276.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(* x (* x x))
42.0ms
(/ 0.125 (* x (* x x)))
194.0ms
(log (+ x (- (+ x (/ 0.5 x)) (/ 0.125 (* x (* x x))))))

simplify1.5s

Counts
73 → 73
Iterations
IterNodes
done5000
22238
1351
0138

prune221.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 0.125 (* x (* x x)))
0.3b
(/ 0.0625 (pow x 5))
11.7b
(log (- (/ 0.125 (* x (* x x))) (+ (/ 0.5 x) (/ 0.0625 (pow x 5)))))
17.1b
(- (/ 0.125 (* x (* x x))) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

rewrite225.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
27×add-sqr-sqrt
24×times-frac
23×add-cube-cbrt
19×add-exp-log
15×add-cbrt-cube
12×unpow-prod-down
add-log-exp
associate-/r*
log-prod div-exp frac-sub associate-/l*
pow1 log-div
cbrt-undiv distribute-lft-out-- sqr-pow
prod-exp cbrt-unprod
clear-num frac-2neg flip3-+ flip3-- diff-log frac-add flip-+ div-inv flip-- distribute-lft-out difference-of-squares
pow-to-exp sum-log sub-neg rem-log-exp pow-exp log-pow associate--r+
Counts
4 → 108
Calls
4 calls:
13.0ms
(/ 0.125 (* x (* x x)))
8.0ms
(/ 0.0625 (pow x 5))
91.0ms
(log (- (/ 0.125 (* x (* x x))) (+ (/ 0.5 x) (/ 0.0625 (pow x 5)))))
110.0ms
(- (/ 0.125 (* x (* x x))) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

series354.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(/ 0.125 (* x (* x x)))
58.0ms
(/ 0.0625 (pow x 5))
195.0ms
(log (- (/ 0.125 (* x (* x x))) (+ (/ 0.5 x) (/ 0.0625 (pow x 5)))))
61.0ms
(- (/ 0.125 (* x (* x x))) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

simplify2.2s

Counts
120 → 120
Iterations
IterNodes
done5001
23946
1694
0268

prune591.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes45.0ms

Accuracy

100% (0.0b remaining)

Error of 0.2b against oracle of 0.2b and baseline of 32.1b

bsearch159.0ms

Steps
ItersRangePoint
11
1.9534460235190362e-22
53640.016154094046
0.8987700841367662
10
-17239113253358.373
-4.96108325192681e-05
-1.0098163723001696

simplify10.0ms

Iterations
IterNodes
done40
140
034

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.5s2408×body1280valid
835.0ms1473×body640valid
367.0ms786×body2560valid
238.0ms808×body320valid
103.0ms2122×body80valid
84.0ms403×body160valid