Details

Time bar (total: 14.8s)

sample119.0ms

Algorithm
intervals
Results
58.0ms62×body10240exit
21.0ms271×body80valid
4.0msbody1280valid
4.0msbody640valid
3.0msbody320valid
1.0msbody160valid

simplify13.0ms

Counts
1 → 1
Iterations
IterNodes
done19
219
112
08

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.5b
(log (+ 1.0 (exp x)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
log-prod add-log-exp
add-sqr-sqrt pow1 add-exp-log add-cube-cbrt
log-div flip3-+ add-cbrt-cube flip-+ distribute-lft-out
+-commutative sum-log rem-log-exp log-pow
Counts
2 → 27
Calls
2 calls:
10.0ms
(+ 1.0 (exp x))
8.0ms
(log (+ 1.0 (exp x)))

series148.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(+ 1.0 (exp x))
134.0ms
(log (+ 1.0 (exp x)))

simplify2.1s

Counts
33 → 33
Iterations
IterNodes
done5001
41946
3785
2306
1132
061

prune186.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize56.0ms

Local error

Found 4 expressions with local error:

0.5b
(log (+ 1.0 (exp x)))
0.5b
(log (+ 1.0 (exp x)))
0.7b
(cbrt (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x)))))
0.7b
(* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x))))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
19×pow1
16×log-prod
14×add-sqr-sqrt
12×add-cube-cbrt
add-exp-log log-pow
add-cbrt-cube swap-sqr
distribute-rgt-in log-div distribute-lft-in associate-*r* associate-*l* distribute-lft-out add-log-exp
flip3-+ rem-log-exp flip-+
cbrt-prod pow2 pow-plus pow1/3 pow3 pow-prod-down prod-exp pow-sqr *-commutative pow-prod-up rem-cbrt-cube cbrt-unprod unswap-sqr
Counts
4 → 78
Calls
4 calls:
6.0ms
(log (+ 1.0 (exp x)))
9.0ms
(log (+ 1.0 (exp x)))
24.0ms
(cbrt (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x)))))
37.0ms
(* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x))))

series431.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(log (+ 1.0 (exp x)))
93.0ms
(log (+ 1.0 (exp x)))
117.0ms
(cbrt (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x)))))
123.0ms
(* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x))))

simplify2.2s

Counts
90 → 90
Iterations
IterNodes
done5000
43165
31200
2527
1235
098

prune438.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

localize34.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log (+ (+ x 2.0) (* x (* x 1/2)))) (* x y))
0.0b
(+ (+ x 2.0) (* x (* x 1/2)))
8.3b
(log (+ (+ x 2.0) (* x (* x 1/2))))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
log-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 log-div add-exp-log
sum-log flip3-+ add-cbrt-cube associate--l+ flip-+
associate--l-
+-commutative associate-+l+ sub-neg flip3-- diff-log rem-log-exp log-pow flip--
Counts
3 → 44
Calls
3 calls:
40.0ms
(- (log (+ (+ x 2.0) (* x (* x 1/2)))) (* x y))
54.0ms
(+ (+ x 2.0) (* x (* x 1/2)))
35.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))

series207.0ms

Counts
3 → 9
Calls
3 calls:
87.0ms
(- (log (+ (+ x 2.0) (* x (* x 1/2)))) (* x y))
27.0ms
(+ (+ x 2.0) (* x (* x 1/2)))
93.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))

simplify1.4s

Counts
53 → 53
Iterations
IterNodes
done5000
21002
1298
0115

prune337.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

localize78.0ms

Local error

Found 4 expressions with local error:

1.2b
(cbrt (log (+ (+ x 2.0) (* x (* x 1/2)))))
8.3b
(log (+ (+ x 2.0) (* x (* x 1/2))))
8.3b
(log (+ (+ x 2.0) (* x (* x 1/2))))
8.3b
(log (+ (+ x 2.0) (* x (* x 1/2))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
log-prod
add-sqr-sqrt pow1 *-un-lft-identity add-cube-cbrt
add-exp-log
log-div
cbrt-prod add-cbrt-cube log-pow add-log-exp
flip3-+ rem-log-exp flip-+
pow1/3
Counts
4 → 54
Calls
4 calls:
1.0ms
(cbrt (log (+ (+ x 2.0) (* x (* x 1/2)))))
27.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))
18.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))
37.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))

series448.0ms

Counts
4 → 12
Calls
4 calls:
237.0ms
(cbrt (log (+ (+ x 2.0) (* x (* x 1/2)))))
74.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))
75.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))
62.0ms
(log (+ (+ x 2.0) (* x (* x 1/2))))

simplify1.9s

Counts
66 → 66
Iterations
IterNodes
done5004
21169
1358
0137

prune596.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

regimes135.0ms

Accuracy

0% (0.2b remaining)

Error of 0.5b against oracle of 0.3b and baseline of 0.5b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done10
110
08

end0.0ms

sample3.6s

Algorithm
intervals
Results
2.1s2391×body10240exit
686.0ms8401×body80valid
113.0ms264×body640valid
90.0ms117×body1280valid
80.0ms201×body320valid
21.0ms128×body160valid