Details

Time bar (total: 2.8m)

sample205.0ms

Algorithm
intervals
Results
62.0ms332×body80valid
43.0ms56×body10240exit
36.0ms50×body1280valid
19.0ms47×body640valid
7.0ms24×body320valid
2.0ms10×body160valid

simplify1.5s

Counts
1 → 1
Iterations

Useful iterations: 3 (83.0ms)

IterNodesCost
01929
14629
212229
337727
4226727
done500027

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.6b

localize42.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))
0.0b
(* (- 1.0 eps) x)
0.0b
(* (+ 1.0 eps) x)
2.7b
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

rewrite289.0ms

Algorithm
rewrite-expression-head
Rules
81×frac-sub
76×exp-neg frac-times
57×neg-sub0 exp-diff
42×associate-*l/
38×associate-*r/
32×flip3-- flip--
28×flip3-+ flip-+
23×add-sqr-sqrt
19×un-div-inv
16×*-un-lft-identity
15×associate-*l*
10×pow1 add-cube-cbrt add-cbrt-cube
add-exp-log associate-*r*
add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod difference-of-squares unswap-sqr
distribute-lft-out--
sub-neg times-frac diff-log distribute-lft-out
Counts
4 → 166
Calls
4 calls:
130.0ms
(* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))
22.0ms
(* (- 1.0 eps) x)
44.0ms
(* (+ 1.0 eps) x)
74.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

series464.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))
38.0ms
(* (- 1.0 eps) x)
37.0ms
(* (+ 1.0 eps) x)
316.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

simplify773.0ms

Counts
178 → 178
Iterations

Useful iterations: done (751.0ms)

IterNodesCost
03937885
112607187
done50006885

prune645.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 2 expressions with local error:

0.1b
(* 0.6666666666666667 (pow x 3))
5.4b
(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
12×associate-*r*
add-exp-log add-log-exp
add-cube-cbrt *-un-lft-identity
unpow-prod-down cube-prod add-cbrt-cube unswap-sqr
associate-*l* prod-exp
pow1 diff-log sqr-pow
cube-mult pow-to-exp sub-neg flip3-- unpow3 pow-exp associate--l+ sum-log *-commutative flip-- cbrt-unprod
Counts
2 → 45
Calls
2 calls:
14.0ms
(* 0.6666666666666667 (pow x 3))
94.0ms
(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

series119.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(* 0.6666666666666667 (pow x 3))
65.0ms
(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

simplify687.0ms

Counts
51 → 51
Iterations

Useful iterations: done (684.0ms)

IterNodesCost
084590
1222548
2908500
done5000462

prune202.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x))))
0.0b
(* (- 1.0 eps) x)
0.0b
(* (+ 1.0 eps) x)
2.7b
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (exp (- (* (+ 1.0 eps) x))) (- (/ 1.0 eps) 1.0)))

rewrite173.0ms

Algorithm
rewrite-expression-head
Rules
72×frac-times frac-sub
63×exp-neg
54×neg-sub0 exp-diff
40×associate-*l/
36×associate-*r/
29×flip3-- flip--
28×flip3-+ flip-+
18×add-sqr-sqrt
16×*-un-lft-identity
13×associate-*l*
10×pow1 add-cube-cbrt add-cbrt-cube
add-exp-log associate-*r* un-div-inv
add-log-exp
associate--r+
sub-neg pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
distribute-rgt-in distribute-lft-in distribute-lft-out
diff-log distribute-lft-out-- difference-of-squares
Counts
4 → 159
Calls
4 calls:
72.0ms
(* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x))))
24.0ms
(* (- 1.0 eps) x)
20.0ms
(* (+ 1.0 eps) x)
43.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (exp (- (* (+ 1.0 eps) x))) (- (/ 1.0 eps) 1.0)))

series409.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x))))
60.0ms
(* (- 1.0 eps) x)
34.0ms
(* (+ 1.0 eps) x)
247.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (exp (- (* (+ 1.0 eps) x))) (- (/ 1.0 eps) 1.0)))

simplify784.0ms

Counts
171 → 171
Iterations

Useful iterations: done (771.0ms)

IterNodesCost
03777431
112406746
done50016602

prune609.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

localize49.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))
0.3b
(cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))
0.3b
(* (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))))
20.6b
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (* (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))))

rewrite4.6s

Algorithm
rewrite-expression-head
Rules
30274×frac-times
24498×cbrt-div
14884×exp-neg
11163×neg-sub0 exp-diff
9152×associate-*l/
8991×frac-sub
8342×associate-*r/
8167×flip3-- flip--
3721×un-div-inv
2997×flip3-+ flip-+
11×pow1
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity pow1/3
add-exp-log cbrt-prod add-log-exp
swap-sqr associate-*r* associate-*l* add-cbrt-cube
pow-prod-down pow-sqr pow-prod-up
pow2 sub-neg pow-plus diff-log prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 9169
Calls
4 calls:
38.0ms
(cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))
23.0ms
(cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))
87.0ms
(* (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))))
1.1s
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (* (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))))

series833.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))
166.0ms
(cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))
252.0ms
(* (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))))
283.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (* (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))) (cbrt (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))))

simplify11.8s

Counts
9181 → 9181
Iterations

Useful iterations: 0 (2.9s)

IterNodesCost
0176291423935
done176291423935

prune2.3m

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0.1b

regimes62.0ms

Accuracy

96.8% (0.5b remaining)

Error of 0.9b against oracle of 0.4b and baseline of 17.5b

bsearch182.0ms

Steps
ItersRangePoint
10
3.960614984267581e-08
28918.939680702064
326.61229285006976

simplify9.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03579
15279
26079
done6079

end0.0ms

sample6.0s

Algorithm
intervals
Results
1.9s1924×body10240exit
1.2s9913×body80valid
1.1s1671×body1280valid
750.0ms1259×body640valid
391.0ms316×body160valid
140.0ms647×body320valid