Segmentation fault

[ghost]

Thanks a lot for making this library!

(I know this is a binding to the c++ library)

Is there any limit on the vector length ?

Having the same exact example with a doubled length like:

annoyIndex1.addItem(0, [-5.0, -4.5, -3.2, -2.8, -2.1, -1.5, -0.34, 0, 3.7, 6, -4.5, -3.2, -2.8, -2.1, -1.5, -0.34, 0, 3.7, 6]);
annoyIndex1.addItem(1, [5.0, 4.5, 3.2, 2.8, 2.1, 1.5, 0.34, 0, -3.7, -6, 4.5, 3.2, 2.8, 2.1, 1.5, 0.34, 0, -3.7, -6]);
annoyIndex1.addItem(2, [0, 0, 0, 0, 0, -1, -1, -0.2, 0.1, 0.8, 0, 0, 0, 0, -1, -1, -0.2, 0.1, 0.8]);

results in

*** stack smashing detected ***: terminated
Aborted (core dumped)

and in my example with length equals 300 (big embedding), I'm having:

Segmentation fault (core dumped)

and when lowering the length to exactly 19 elements, it works fine !! with an index of 50000 elements and beyond !

Thanks a lot !!!

[ghost]

If I feed the index with vectors of type Float64Array, it feeds the index (like without visible errors) but then the index is corrupt like:

var v1 = annoy.getItem(0);
var v2 = annoy.getItem(1);
console.log('Gotten vectors:', v1, v2);

Gotten vectors: [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]

[ghost]

Some are talking about a protection to disable (related to these problems) A flag for c++ compilation could be passed

-fno-stack-protector (g++ is used for compilation here instead).

[ghost]

Following my last attempt passing the compiler tag, it doesn't work

https://github.com/bacloud22/annoy-node

Waiting for a solution 🥲

[ghost]

Oh I forgot to mention that I'm running on a Ubuntu VM on windows. So this might cause problem allocation errors. I would try on a real Linux next days...