changeset 70172be3f986 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=70172be3f986
description:
o3-smt: enforce numThreads parameter for SMT SE mode
diffstat:
2 files changed, 8 insertions(+), 4 deletions(-)
configs/example/se.py | 1 +
src/cpu/o3/cpu_builder.cc | 11 +++++++----
diffs (36 lines):
diff -r 82ee4a597908 -r 70172be3f986 configs/example/se.py
--- a/configs/example/se.py Wed Jul 22 20:28:32 2009 -0500
+++ b/configs/example/se.py Sat Jul 25 00:50:27 2009 -0400
@@ -124,6 +124,7 @@
(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
CPUClass.clock = '2GHz'
+CPUClass.numThreads = len(workloads)
np = options.num_cpus
diff -r 82ee4a597908 -r 70172be3f986 src/cpu/o3/cpu_builder.cc
--- a/src/cpu/o3/cpu_builder.cc Wed Jul 22 20:28:32 2009 -0500
+++ b/src/cpu/o3/cpu_builder.cc Sat Jul 25 00:50:27 2009 -0400
@@ -51,14 +51,17 @@
// Full-system only supports a single thread for the moment.
ThreadID actual_num_threads = 1;
#else
+ if (workload.size() > numThreads) {
+ fatal("Workload Size (%i) > Max Supported Threads (%i) on This CPU",
+ workload.size(), numThreads);
+ } else if (workload.size() == 0) {
+ fatal("Must specify at least one workload!");
+ }
+
// In non-full-system mode, we infer the number of threads from
// the workload if it's not explicitly specified.
ThreadID actual_num_threads =
(numThreads >= workload.size()) ? numThreads : workload.size();
-
- if (workload.size() == 0) {
- fatal("Must specify at least one workload!");
- }
#endif
numThreads = actual_num_threads;
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