TBB malloc proxy vs include file

TBB malloc proxy vs include file

I'm using tbb malloc in a project and I wondered what the difference was between using the tbb malloc proxy library and using a header file to redefine the standard memory allocation functions. Something like:

void* operator new(size_t sz)
void *res = scalable_malloc(sz);

if (res == NULL)
throw std::bad_alloc();

return res;

void operator delete(void* ptr) throw()

What are the advantages/drawbacks to both approaches ? Is one superior to the other ?

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Quoting norswap...What are the advantages/drawbacks to both approaches ?
Please take a look at a thread:

'Difference between scalable_memory and classic memory allocation'


Best Reply

HellonorswapIn your case you will have more control on what should go to scalable allocator and what shouldn't. tbbmalloc proxy redirects _all_ application calls to scallable_malloc. But our implementation of new/delete in proxy is pretty as the same as above one.tbbmalloc proxy is a great advantage for big projects that you can add one line to one source and get everything working.--Vladimir

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