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author | Brad Beckmann <Brad.Beckmann@amd.com> | 2010-03-21 21:22:21 -0700 |
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committer | Brad Beckmann <Brad.Beckmann@amd.com> | 2010-03-21 21:22:21 -0700 |
commit | b5e4c3cbf2de32e18029b44b16b307a773b6ecf7 (patch) | |
tree | ca2eed4f64e41cb2b59a62c7365dc34ac9723cf0 /src/mem | |
parent | 6d22db4eaa6cfb73b4a393c9f180867cebe2328f (diff) | |
download | gem5-b5e4c3cbf2de32e18029b44b16b307a773b6ecf7.tar.xz |
ruby: Finally removed bash code cira. 2001ish!
Diffstat (limited to 'src/mem')
-rw-r--r-- | src/mem/ruby/network/simple/Throttle.cc | 31 | ||||
-rw-r--r-- | src/mem/ruby/network/simple/Throttle.hh | 4 |
2 files changed, 0 insertions, 35 deletions
diff --git a/src/mem/ruby/network/simple/Throttle.cc b/src/mem/ruby/network/simple/Throttle.cc index 29269c7d4..ceba47411 100644 --- a/src/mem/ruby/network/simple/Throttle.cc +++ b/src/mem/ruby/network/simple/Throttle.cc @@ -73,9 +73,6 @@ void Throttle::init(NodeID node, int link_latency, int link_bandwidth_multiplier m_link_bandwidth_multiplier = link_bandwidth_multiplier; m_link_latency = link_latency; - m_bash_counter = HIGH_RANGE; - m_bandwidth_since_sample = 0; - m_last_bandwidth_sample = 0; m_wakeups_wo_switch = 0; clearStats(); } @@ -191,28 +188,6 @@ void Throttle::wakeup() // If ratio = 0, we used no bandwidth, if ratio = 1, we used all linkUtilized(ratio); - // Sample the link bandwidth utilization over a number of cycles - int bw_used = getLinkBandwidth()-bw_remaining; - m_bandwidth_since_sample += bw_used; - - // FIXME - comment out the bash specific code for faster performance - // Start Bash code - // Update the predictor - Time current_time = g_eventQueue_ptr->getTime(); - while ((current_time - m_last_bandwidth_sample) > ADJUST_INTERVAL) { - // Used less bandwidth - m_bash_counter--; - - // Make sure we don't overflow - m_bash_counter = min(HIGH_RANGE, m_bash_counter); - m_bash_counter = max(0, m_bash_counter); - - // Reset samples - m_last_bandwidth_sample += ADJUST_INTERVAL; - m_bandwidth_since_sample = 0; - } - // End Bash code - if ((bw_remaining > 0) && !schedule_wakeup) { // We have extra bandwidth and our output buffer was available, so we must not have anything else to do until another message arrives. DEBUG_MSG(NETWORK_COMP,LowPrio,*this); @@ -225,12 +200,6 @@ void Throttle::wakeup() } } -bool Throttle::broadcastBandwidthAvailable(int rand) const -{ - bool result = !(m_bash_counter > ((HIGH_RANGE/4) + (rand % (HIGH_RANGE/2)))); - return result; -} - void Throttle::printStats(ostream& out) const { out << "utilized_percent: " << getUtilization() << endl; diff --git a/src/mem/ruby/network/simple/Throttle.hh b/src/mem/ruby/network/simple/Throttle.hh index 7b6d04353..20aeed820 100644 --- a/src/mem/ruby/network/simple/Throttle.hh +++ b/src/mem/ruby/network/simple/Throttle.hh @@ -63,7 +63,6 @@ public: // Public Methods void addLinks(const Vector<MessageBuffer*>& in_vec, const Vector<MessageBuffer*>& out_vec); void wakeup(); - bool broadcastBandwidthAvailable(int rand) const; void printStats(ostream& out) const; void clearStats(); @@ -96,9 +95,6 @@ private: Vector<int> m_units_remaining; int m_sID; NodeID m_node; - int m_bash_counter; - int m_bandwidth_since_sample; - Time m_last_bandwidth_sample; int m_link_bandwidth_multiplier; int m_link_latency; int m_wakeups_wo_switch; |