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192 commits

Author SHA1 Message Date
Nekotekina
09d293592e shared_ptr.hpp: fix is_same_ptr<>() trait 
Implemented as constexpr function.
 2020-12-13 15:39:36 +03:00
Nekotekina
a6a5292cd7 Use uptr (std::uintptr_t alias) 2020-12-12 16:29:55 +03:00
Nekotekina
b59f142d4e Move types.h to util/types.hpp 2020-12-12 15:12:01 +03:00
Nekotekina
6e05dcadb6 Reduce std::numeric_limits dependency 
Please, stop pretending...
You need these templates for generic code.
In other words, in another templates.
Stop increasing compilation time for no reason.
 2020-12-12 12:35:18 +03:00
Nekotekina
33c3977036 endian.hpp: minor simplification 
And stop pretending...
 2020-12-11 22:00:26 +03:00
Nekotekina
aa3aef4beb std::chrono cleanup: always use steady_clock 2020-12-11 19:01:56 +03:00
Nekotekina
36c8654fb8 Remove HERE macro 
Some cleanup.
Add location to some functions.
 2020-12-10 12:30:22 +03:00
Nekotekina
e055d16b2c Replace verify() with ensure() with auto src location. 
Expression ensure(x) returns x.
Using comma operator removed.
 2020-12-09 15:43:38 +03:00
Nekotekina
062c605eb1 atomic.hpp: fixup (rsp addressing) 2020-12-08 08:51:27 +03:00
RipleyTom
51dcb4a79d Remove bom from .hpp files 2020-12-07 20:03:44 +03:00
Nekotekina
24e4e329ed atomic.hpp: add atomic_t<bool> specialization 
May be required in future, plus adds/hides some methods.
 2020-12-07 17:13:12 +03:00
Nekotekina
b16cc618b5 atomic.hpp: add some features and optimizations 
Add atomic_t<>::observe() (relaxed load)
Add atomic_fence_XXX() (barrier functions)
Get rid of MFENCE instruction, replace with no-op LOCK OR on stack.
Remove <atomic> dependence from stdafx.h and relevant headers.
 2020-12-07 17:13:12 +03:00
Nekotekina
77aa9e58f2 shared_ptr.hpp: add trivial conversion for shared/single types 
These conversions don't exist in std::shared_ptr-alike types.
But I don't want to bother with == operators until we have proper C++20.
Removed trivial conversion for atomic_ptr because it's heavyweight.
 2020-12-07 15:33:28 +03:00
RipleyTom
af8c661a64 Remove BOM markers 2020-12-06 15:30:12 +03:00
Nekotekina
d1e7837422 atomic_t: cleanup type requirements 
Add C++17 requirements.
Remove alignment requirements (auto-align type).
What's missing is to detect padding and forbid it.
 2020-12-04 19:11:36 +03:00
Nekotekina
8efc22bd45 atomic.hpp: simplify and unify bit test instructions 
Also make them available on all platform.
Rename some rare methods.
 2020-12-04 14:33:38 +03:00
Nekotekina
983439076b shared_ptr.hpp: fixups and updates 
Fix atomic_ptr load() edge case.
Implement atomic_ptr::peek_op() to make possible to reduce load() overhead.
Implement atomic_ptr::compare_exchange() and friends.
Implement null_ptr constant, remove nullptr_t assignment/construction.
 2020-12-04 14:10:53 +03:00
Nekotekina
019f566239 atomic.cpp: more phase splitting in notify_all() 2020-12-04 14:10:53 +03:00
Nekotekina
332410d20b shared_ptr.hpp: improve atomic_ptr methods 2020-12-04 14:10:53 +03:00
Nekotekina
13a0b88755 atomic.cpp: improve hashtable access 
Simplified, tried to use all ptr bits.
Try to prevent self-collisions (bug).
Hashtable size doubled (to 8 MiB).
 2020-12-01 10:19:31 +03:00
Nekotekina
3b8e3a9714 stdafx.h: remove BOM from custom included headers 
Also add warnings about adding them.
 2020-11-29 15:35:05 +03:00
Nekotekina
872655369a shared_ptr.hpp: fix critical bugs 
Fix array initialization.
Fix reference counting.
Fix offset to refctr.
Add some features.
 2020-11-27 14:32:41 +03:00
Nekotekina
b5d498ffda Homebrew atomic_ptr rewritten (util/shared_ptr.hpp) 
It's analogous to C++20 atomic std::shared_ptr

The following things brought into global namespace:
single_ptr
shared_ptr
atomic_ptr
make_single
 2020-11-26 20:11:26 +03:00
Nekotekina
bd90e3e37f atomic.cpp: shrink and simplify main hashtable 
Reduce collision detection to 1 or 0 for now.
I think it should be offloaded to notifiers.
 2020-11-26 20:11:26 +03:00
Nekotekina
8b6d615aa6 atomic.hpp: remove/deprecate incomplete notify features 
Notification with "phantom value" could be useful in theory.
As an alternative way of sending signal from the notifier.
But current implementation is just useless.
Also fixed slow_mutex (not used anywhere).
 2020-11-26 06:31:36 +03:00
Nekotekina
2b674d4d8c utils::shm: allow 2M hugepages on demand 2020-11-25 10:41:17 +03:00
Nekotekina
487b572aa6 Linux: remove assertions on MADV_HUGEPAGE 
It's a hint and is allowed to fail.
 2020-11-25 10:41:17 +03:00
Nekotekina
600c0ea5ba atomic.cpp: fix windows/std path 
Always check condition after rearming internal semaphore.
 2020-11-25 10:41:17 +03:00
Nekotekina
00e64920c8 Implement "slow mutex" without spin-waiting. 
Benefits: only 1 byte.
Testing atomic wait.
 2020-11-25 10:41:17 +03:00
Nekotekina
d8e9382573 asm.hpp: constexpr refactoring 
Removed asm (what an irony), made many functions constexpr.
Removed some unused function, readding them should be trivial.
 2020-11-24 13:20:40 +03:00
Nekotekina
ab248e170c vm_native.cpp: add MADV_HUGEPAGE 
It enables Transparend Huge Pages for some regions on Linux.
Although it can't be actively useful, it seems to do something.
Maybe it's even harmful for recompilers.
 2020-11-24 12:31:11 +03:00
Nekotekina
27097cbcfe atomic.hpp: alter atomic_storage<>::store a bit 
Always fallback to exchange. May improve codegen on gcc.
 2020-11-24 12:31:11 +03:00
Nekotekina
43952e18e2 Implement prefetch_write() and prefetch_exec() wrappers 
Do some refactoring to prefetch_read() in util/asm.hpp as well.
Make all these function constexpr because they are no-ops.
 2020-11-24 12:31:11 +03:00
Nekotekina
14fa96fdef atomic.cpp: don't use empty notify callback 
Instead, allow setting it to null and check for null.
Similar could be done for wait cb, but it's set for all named threads.
 2020-11-24 01:09:04 +03:00
Nekotekina
16cc88dd0e atomic.hpp: fix atomic_wait::list regression 
Typo-regressions. Also improve static asserts.
 2020-11-23 09:26:25 +03:00
Nekotekina
280f5f0b54 atomic.hpp: redefine op::ne to actually mean "not equal" 
WTF is "native endianness", it's native by default.
 2020-11-23 09:24:16 +03:00
Nekotekina
d70ab11477 atomic.cpp: remove redundant constexpr 
Static initialization is all-zeros anyway.
But constexpr was killing my intellisense.
And probably also affected compile time.

Also make some internal structures hidden ("static").
 2020-11-22 12:07:49 +03:00
Nekotekina
e89a568765 Attempt to fix Emu.Quit() 
There was some kind of "initialization order fiasco" of g_fxo.
Not only should it be used after main, but also destroyed before exit.
 2020-11-21 18:27:16 +03:00
Nekotekina
60cff6f3d4 Attempt to fix #9271 2020-11-21 07:09:48 +03:00
Nekotekina
5f010c2f4c atomic.cpp: optimize "cond" allocation with TLS 
Billions of events can reduce to thousands, saving CPU time a few s.
Only 4 slots are available (arbitrarily), and only 1 is usually used.
Other slots are used only for waiting on multiple atomics.
 2020-11-20 19:13:22 +03:00
Nekotekina
6c18e00977 atomic.cpp: use deterministic "cond" allocation 
Takes ~80 ns instead of ~40 ns, same about deallocation.
Loops don't exist here, only 4-level semaphore tree.
Worst case only happens with concurrence, not from looping.
This optimization is not really necessary at current state of RPCS3.
This is more like to test C++ compilers and MSVC u128 implementation.
 2020-11-20 15:04:17 +03:00
Nekotekina
72ac1aa537 atomic.cpp: use some actual hash for hashtable (std::minstd_rand) 
Should only take about 5ns for initialization.
Should also make collisions almost impossible.

I also suspect I fixed some bad bug in process...
 2020-11-20 15:04:17 +03:00
Nekotekina
3dd48a24ce atomic.cpp: remove tiny redundancy 2020-11-17 15:22:04 +03:00
Nekotekina
984e97cbdc Potential fix for Linux compilation 2020-11-17 15:22:04 +03:00
Nekotekina
333fe9a561 atomic.cpp: fix notification on windows 2020-11-15 04:40:44 +03:00
Nekotekina
badb3dc2dd atomic.cpp/threads: remove old wait callback 
Add new wait callback which simply collects statistics.
Shift workarounds towards actual problem detection.
 2020-11-14 18:16:27 +03:00
Nekotekina
3ac819ee70 atomic.cpp: fix waiting on multiple variables 
Silly bugs are so silly...
 2020-11-14 17:25:02 +03:00
Nekotekina
00f877e812 atomic.cpp: fix rare overload scenario 
If slot allocation fails, increase reference counter in every slot.
This prevents search routine from "losing" some slots.
 2020-11-14 13:56:23 +03:00
Nekotekina
ab365fe494 Fixed thread pool a bit 
Use 128-bit allocator instead of queue.
When pool is full (128), threads just terminate as before.
 2020-11-13 13:32:44 +03:00
Nekotekina
e48f160a29 atomic.cpp: continuation of fixing all-ones masks 
Also added missing const noexcept.
 2020-11-13 12:40:02 +03:00