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Rewrite cond_variable to use waitable atomics

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Increase max_timeout and fix max_timeout usage
This commit is contained in:
Nekotekina 2019-09-09 11:09:30 +03:00
parent 67f31c17d1
commit d13ff285d1
5 changed files with 105 additions and 58 deletions
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6
rpcs3/Emu/Cell/lv2/sys_sync.h
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@ -236,10 +236,10 @@ public:
static_assert(UINT64_MAX / cond_variable::max_timeout >= g_cfg.core.clocks_scale.max, "timeout may overflow during scaling");
// Clamp to max timeout accepted
if (usec > cond_variable::max_timeout) usec = cond_variable::max_timeout;
const u64 max_usec = cond_variable::max_timeout * 100 / g_cfg.core.clocks_scale.max;
// Now scale the result
usec = (usec * g_cfg.core.clocks_scale) / 100;
usec = (std::min<u64>(usec, max_usec) * g_cfg.core.clocks_scale) / 100;
#ifdef __linux__
// TODO: Confirm whether Apple or any BSD can benefit from this as well
@ -271,7 +271,7 @@ public:
// Do not wait for the last quantum to avoid loss of accuracy
thread_ctrl::wait_for(remaining - ((remaining % host_min_quantum) + host_min_quantum));
#else
// Wait on multiple of min quantum for large durations to avoid overloading low thread cpus
// Wait on multiple of min quantum for large durations to avoid overloading low thread cpus
thread_ctrl::wait_for(remaining - (remaining % host_min_quantum));
#endif
}