Changes between Version 31 and Version 32 of AppCoprocessor

Timestamp:

Jun 6, 2011, 10:09:17 PM (13 years ago)

Author:

davea

Comment:

--

AppCoprocessor

@@ -22 +22 @@
 This will exit the application, and will tell the BOINC client to restart it again in at least 60 seconds.
 
-== Command-line arguments ==
+== Device selection ==
 
 Some hosts have multiple GPUs.
@@ -36 +36 @@
 }}}
 
+== Finalizing GPU on premature exit ==
+
+The BOINC client may kill your application in the middle.
+This may leave the GPU in a bad state.
+To prevent this, call
+{{{
+boinc_begin_critical_section();
+}}}
+before using the GPU, and between GPU kernels do
+{{{
+if (boinc_status.quit_request || boinc_status.abort_request) {
+    // cudaThreadSynchronize(); or whatever is needed
+    boinc_end_critical_section();
+    while (1) boinc_sleep(1);
+}
 == Plan classes ==