diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mem/ruby/network/MessageBuffer.cc | 4 | ||||
| -rw-r--r-- | src/mem/ruby/network/MessageBuffer.py | 5 | ||||
| -rw-r--r-- | src/mem/ruby/system/RubySystem.py | 4 |
3 files changed, 10 insertions, 3 deletions
diff --git a/src/mem/ruby/network/MessageBuffer.cc b/src/mem/ruby/network/MessageBuffer.cc index f4eca3b1e..560b69c63 100644 --- a/src/mem/ruby/network/MessageBuffer.cc +++ b/src/mem/ruby/network/MessageBuffer.cc @@ -156,7 +156,9 @@ MessageBuffer::enqueue(MsgPtr message, Tick current_time, Tick delta) assert(delta > 0); Tick arrival_time = 0; - if (!RubySystem::getRandomization() || !m_randomization) { + // random delays are inserted if either RubySystem level randomization flag + // is turned on, or the buffer level randomization is set + if (!RubySystem::getRandomization() && !m_randomization) { // No randomization arrival_time = current_time + delta; } else { diff --git a/src/mem/ruby/network/MessageBuffer.py b/src/mem/ruby/network/MessageBuffer.py index d8a028532..b8a44ba91 100644 --- a/src/mem/ruby/network/MessageBuffer.py +++ b/src/mem/ruby/network/MessageBuffer.py @@ -37,7 +37,10 @@ class MessageBuffer(SimObject): ordered = Param.Bool(False, "Whether the buffer is ordered") buffer_size = Param.Unsigned(0, "Maximum number of entries to buffer \ (0 allows infinite entries)") - randomization = Param.Bool(False, "") + randomization = Param.Bool(False, "Insert random delays on message \ + enqueue times (enforced to have \ + random delays if RubySystem \ + randomization flag is True)") master = MasterPort("Master port to MessageBuffer receiver") slave = SlavePort("Slave port from MessageBuffer sender") diff --git a/src/mem/ruby/system/RubySystem.py b/src/mem/ruby/system/RubySystem.py index 358f4dfca..5dcfe2f81 100644 --- a/src/mem/ruby/system/RubySystem.py +++ b/src/mem/ruby/system/RubySystem.py @@ -35,7 +35,9 @@ class RubySystem(ClockedObject): type = 'RubySystem' cxx_header = "mem/ruby/system/RubySystem.hh" randomization = Param.Bool(False, - "insert random delays on message enqueue times"); + "insert random delays on message enqueue times (if True, all message \ + buffers are enforced to have randomization; otherwise, a message \ + buffer set its own flag to enable/disable randomization)"); block_size_bytes = Param.UInt32(64, "default cache block size; must be a power of two"); memory_size_bits = Param.UInt32(64, |