Details

Time bar (total: 9.5s)

sample17.0ms

Algorithm
intervals
Results
7.0ms277×body80valid

simplify90.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
1149
2299
3539
4759
5989
61189
71289
81379
done1379

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.7b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (- y z))
12.0b
(/ (* x (- y z)) (- t z))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity
add-exp-log add-cbrt-cube
add-cube-cbrt
times-frac associate-*r* associate-/r*
pow1 associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
2 → 55
Calls
2 calls:
9.0ms
(* x (- y z))
10.0ms
(/ (* x (- y z)) (- t z))

series102.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(* x (- y z))
65.0ms
(/ (* x (- y z)) (- t z))

simplify1.7s

Counts
61 → 61
Iterations

Useful iterations: done (1.7s)

IterNodesCost
0105599
1264575
2847501
33535501
done5000499

prune123.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- t z))
1.4b
(* x (/ (- y z) (- t z)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
10.0ms
(/ (- y z) (- t z))
25.0ms
(* x (/ (- y z) (- t z)))

series114.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- y z) (- t z))
67.0ms
(* x (/ (- y z) (- t z)))

simplify1.5s

Counts
108 → 108
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01381319
13501247
29171165
327791165
done50001163

prune221.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- y z))
1.8b
(/ x (/ (- t z) (- y z)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
194×add-sqr-sqrt *-un-lft-identity
90×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
11×associate-/r/
add-exp-log add-cbrt-cube
associate-/l*
flip3-- flip-- div-inv
cbrt-undiv div-exp
pow1 frac-2neg clear-num associate-/l/ add-log-exp
div-sub
Counts
2 → 194
Calls
2 calls:
10.0ms
(/ (- t z) (- y z))
17.0ms
(/ x (/ (- t z) (- y z)))

series197.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- t z) (- y z))
149.0ms
(/ x (/ (- t z) (- y z)))

simplify850.0ms

Counts
200 → 200
Iterations

Useful iterations: 2 (276.0ms)

IterNodesCost
02703488
16343268
222083166
done50003166

prune418.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- y z))
0.2b
(* (- t z) (/ 1 (- y z)))
1.8b
(/ x (* (- t z) (/ 1 (- y z))))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
35×times-frac
31×add-exp-log
25×add-cube-cbrt
21×associate-*r*
19×add-cbrt-cube
11×div-exp
10×associate-/r/
prod-exp distribute-lft-out-- difference-of-squares
pow1 cbrt-undiv flip3-- associate-/r* flip-- associate-/l*
associate-*l*
frac-times associate-*l/ cbrt-unprod
rec-exp 1-exp div-inv add-log-exp unswap-sqr
frac-2neg associate-*r/ clear-num un-div-inv
pow-flip pow-prod-down *-commutative inv-pow
Counts
3 → 122
Calls
3 calls:
6.0ms
(/ 1 (- y z))
24.0ms
(* (- t z) (/ 1 (- y z)))
9.0ms
(/ x (* (- t z) (/ 1 (- y z))))

series238.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(/ 1 (- y z))
52.0ms
(* (- t z) (/ 1 (- y z)))
151.0ms
(/ x (* (- t z) (/ 1 (- y z))))

simplify2.8s

Counts
131 → 131
Iterations

Useful iterations: 3 (2.0s)

IterNodesCost
01711519
14071246
212461080
347551078
done50001078

prune218.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes104.0ms

Accuracy

-13.7% (2.4b remaining)

Error of 2.4b against oracle of 0.0b and baseline of 2.1b

bsearch70.0ms

Steps
ItersRangePoint
9
2.0192718685294438e-110
1.8286677674475294e-105
5.4381737647266115e-107
8
-1.2756224717457362e-221
-2.7568303420153477e-224
-9.512737302380148e-222

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01837
12527
done2527

end0.0ms

sample471.0ms

Algorithm
intervals
Results
240.0ms8720×body80valid