* build/ALPHA_SE/tests/fast/quick/00.hello/alpha/linux/o3-timing passed.
* build/ALPHA_SE/tests/fast/quick/00.hello/alpha/linux/inorder-timing
passed.
* build/ALPHA_SE/tests/fast/quick/00.hello/alpha/linux/simple-atomic passed.
*
I ran ALPHA_FS_MOESI_hammer using the following command --
./build/ALPHA_FS_MOESI_hammer/m5.prof ./configs/example/ruby_fs.py
I don't know how the benchmark is picked in case none is specified. Below
is the gprof output --
% cumulative self self total
time seconds
You can look at the call graph profile further down in the gprof output to
figure out how much time is spent in functions that get called from
isTagPresent. If it's not specifically calling out findTagInSet, it may be
because it's inlined in isTagPresent.
Steve
On Fri, Nov 5, 2010 at 7:58 AM,
Do you know what hash function is in use? Seems to me that the default
hash function is to hash to self. May be we should test with a different
hash function.
--
Nilay
On Fri, 5 Nov 2010, Steve Reinhardt wrote:
You can look at the call graph profile further down in the gprof output to
I had another look at the profile output. On the machine that I am using
(a 3.2 GHz Pentium 4), each call to isTagPresent() take about 57 ns.
Assuming that the pipeline is functioning at is best, I think the number
of uops executed would be ~500. Is that too much for this function?
--
Nilay
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Review request for Default.
Summary
---
scons: Replace the build_dir
If that's where a significant amount of time is being spent, we need to
either call it less or make it run faster :-). Doing both is even better.
At a high level, the process of looking something up in an N-way associative
cache should not take that many instructions if N is small (a shift and
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(Updated 2010-11-05 17:26:22.029174)
Review request for Default.
Summary
---
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http://reviews.m5sim.org/r/256/#review433
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src/cpu/simple/timing.cc
http://reviews.m5sim.org/r/256/#comment640
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Ship it!
Might be good to download a scons-local 0.98.1 and verify this
Might be good to download a scons-local 0.98.1 and verify this works, but
otherwise I'm happy.
I suggest that you do that. Remember the last time I had that swig
problem? These programs sometimes lie about what their version
supports.
Nate
___
Sorry to take so long to respond.
I used PollEvent to listen to a data socket, however, it appears that in
simulation, 3 SIGIO signals arrived at the same time, which is not the case
in reality. My understanding is that there are two queues, one is the global
queue which process the
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