ps3: fix CPU and stack size performance issues on the PS3.

src/platform/ps3/threadbase.h

@@ -126,9 +126,12 @@ class ThreadBase
 public:
     ThreadBase(void *(*fn)(void *), void *data)
     {
+        size_t stack_size = 128 * 1024;
+        char const *thread_name = "new thread";
+
         /* FIXME: choose priority more wisely */
         sys_ppu_thread_create(&m_thread, (void (*)(uint64_t))fn,
-                              (uint64_t)data, 1000, 0, 0, "new thread");
+                              (uint64_t)data, 1000, stack_size, 0, thread_name);
     }
 
     virtual ~ThreadBase()

src/ticker.cpp

@@ -314,7 +314,12 @@ void *TickerData::DiskThreadMain(void * /* p */)
 {
 #if defined __CELLOS_LV2__
     /* FIXME: temporary hack to avoid crashes */
-    for (;;);
+    Timer t;
+    for (;;)
+    {
+        t.Get();
+        t.Wait(0.001f);
+    }
 #endif
     return NULL;
 }