nbody: Require Catalyst 12.3 on Tahiti

Changes

--- milkyway/include/milkyway_cl_util.h 4d1adda7f7a80ad48e1a27c54033522c0d179ea7

+++ milkyway/include/milkyway_cl_util.h 2c0bff7694f1a5ab98e398723db325f7d59ff0b6

@@ -43,6 +43,7 @@

+cl_bool mwCALVersionMin(const DevInfo* di, int minMajor, int minMinor, int minPatchLevel);

--- milkyway/include/milkyway_timing.h 4d1adda7f7a80ad48e1a27c54033522c0d179ea7

+++ milkyway/include/milkyway_timing.h 2c0bff7694f1a5ab98e398723db325f7d59ff0b6

@@ -39,6 +39,7 @@

+void mwPrintHighResTimeDiff(const MWHighResTime* t2, const MWHighResTime* t1, const char* msg);

--- milkyway/src/milkyway_cl_util.c 4d1adda7f7a80ad48e1a27c54033522c0d179ea7

+++ milkyway/src/milkyway_cl_util.c 2c0bff7694f1a5ab98e398723db325f7d59ff0b6

@@ -347,6 +347,42 @@

+cl_bool mwCALVersionMin(const DevInfo* di, int minMajor, int minMinor, int minPatchLevel)

+{

+    int major = 0, minor = 0, patchLevel = 0;

+

+    assert(mwIsAMDGPUDevice(di));

+

+    if (sscanf(di->driver, "CAL %d.%d.%d", &major, &minor, &patchLevel) != 3)

+    {

+        return CL_FALSE;

+    }

+

+    if (major > minMajor)

+    {

+        return CL_TRUE;

+    }

+    else if (major < minMajor)

+    {

+        return CL_FALSE;

+    }

+    else

+    {

+        if (minor > minMinor)

+        {

+            return CL_TRUE;

+        }

+        else if (minor < minMinor)

+        {

+            return CL_FALSE;

+        }

+        else

+        {

+            return (patchLevel >= minPatchLevel);

+        }

+    }

+}

+

--- milkyway/src/milkyway_lua_util.c 4d1adda7f7a80ad48e1a27c54033522c0d179ea7

+++ milkyway/src/milkyway_lua_util.c 2c0bff7694f1a5ab98e398723db325f7d59ff0b6

@@ -36,7 +36,7 @@

-  #define mkdir(x, y) mkdir(x)

+  #define mkdir(x, y) _mkdir(x)

--- milkyway/src/milkyway_timing.c 4d1adda7f7a80ad48e1a27c54033522c0d179ea7

+++ milkyway/src/milkyway_timing.c 2c0bff7694f1a5ab98e398723db325f7d59ff0b6

@@ -243,5 +243,17 @@

-

-

+void mwPrintHighResTimeDiff(const MWHighResTime* t2, const MWHighResTime* t1, const char* msg)

+{

+    MWHighResTime dt = mwDiffMWHighResTime(t2, t1);

+    uint64_t ms = dt.nSec / 1000000ULL;

+    uint64_t ns = dt.nSec - ms * 1000000ULL;

+

+    mw_printf("%s: sec = "LLU"  msec = "LLU"  nsec = "LLU"\n",

+              msg,

+              dt.sec,

+              ms,

+              ns

+        );

+}

+

--- nbody/src/nbody_cl.c 4d1adda7f7a80ad48e1a27c54033522c0d179ea7

+++ nbody/src/nbody_cl.c 2c0bff7694f1a5ab98e398723db325f7d59ff0b6

@@ -713,7 +713,6 @@

-

@@ -722,6 +721,13 @@

+        return CL_FALSE;

+    }

+

+    /* if TAHITI and < 12.3 driver bug requires additional clFinishes */

+    if (di->calTarget >= MW_CAL_TARGET_TAHITI && !mwCALVersionMin(di, 1, 4, 1720))

+    {

+        mw_printf("Tahiti driver bug requires Catalyst 12.3 or newer\n");