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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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2
hotspot/src/os/windows/vm/os_windows.cpp
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@ -3116,7 +3116,7 @@ jint os::init_2(void) {
// as reserve size, since on a 64-bit platform we'll run into that more
// often than running out of virtual memory space. We can use the
// lower value of the two calculations as the os_thread_limit.
size_t max_address_space = ((size_t)1 << (BitsPerOop - 1)) - (200 * K * K);
size_t max_address_space = ((size_t)1 << (BitsPerWord - 1)) - (200 * K * K);
win32::_os_thread_limit = (intx)(max_address_space / actual_reserve_size);
// at exit methods are called in the reverse order of their registration.