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/gem5/src/cpu/pred/ | ||
H A D | tage.hh | 13455:56e25a5f9603 Thu Nov 22 08:48:00 EST 2018 Pau Cabre <pau.cabre@metempsy.com> cpu: Added new stats to TAGE and LTAGE branch predictors They are basically used to tell wich component of the predictor is providing the prediction and whether it is correct or wrong Change-Id: I7b3db66535f159091f1b37d70c2d942d50b20fb2 Signed-off-by: Pau Cabre <pau.cabre@metempsy.com> Reviewed-on: https://gem5-review.googlesource.com/c/14535 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> |
/gem5/src/mem/cache/prefetch/ | ||
H A D | stride.hh | 13426:d2b0e9ec67f1 Sun Nov 11 11:56:00 EST 2018 Daniel <odanrc@yahoo.com.br> mem-cache: Add invalidation function to StrideEntry Add invalidation function to StrideEntry so that every entry can be invalidated appropriately. Change-Id: I38c42b7d7c93d839f797d116f1d2c88572123c0e Signed-off-by: Daniel <odanrc@yahoo.com.br> Reviewed-on: https://gem5-review.googlesource.com/c/14359 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> 12727:56c23b54bcb1 Wed May 02 19:14:00 EDT 2018 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Fix include directives in the cache related classes Change-Id: I111b0f662897c43974aadb08da1ed85c7542585c Reviewed-on: https://gem5-review.googlesource.com/10433 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> 10771:ea35886cd847 Fri Mar 27 04:56:00 EDT 2015 Stephan Diestelhorst <stephan.diestelhorst@arm.com> mem: Support any number of master-IDs in stride prefetcher The stride prefetcher had a hardcoded number of contexts (i.e. master-IDs) that it could handle. Since master IDs need to be unique per system, and every core, cache etc. requires a separate master port, a static limit on these does not make much sense. Instead, this patch adds a small hash map that will map all master IDs to the right prefetch state and dynamically allocates new state for new master IDs. 5875:d82be3235ab4 Mon Feb 16 11:56:00 EST 2009 Steve Reinhardt <steve.reinhardt@amd.com> Fixes to get prefetching working again. Apparently we broke it with the cache rewrite and never noticed. Thanks to Bao Yungang <baoyungang@gmail.com> for a significant part of these changes (and for inspiring me to work on the rest). Some other overdue cleanup on the prefetch code too. |
H A D | access_map_pattern_matching.hh | 13700:56fa28e6fab4 Thu Jan 31 10:24:00 EST 2019 Javier Bueno <javier.bueno@metempsy.com> mem-cache: Added the Slim AMPM Prefetcher Reference: Towards Bandwidth-Efficient Prefetching with Slim AMPM. Young, V., & Krishna, A. (2015). The 2nd Data Prefetching Championship. Slim AMPM is composed of two prefetchers, the DPCT and the AMPM (both already in gem5). Change-Id: I6e868faf216e3e75231cf181d59884ed6f0d382a Reviewed-on: https://gem5-review.googlesource.com/c/16383 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> |
H A D | indirect_memory.cc | 13775:36b71cff789e Fri Mar 15 17:00:00 EDT 2019 Andrea Mondelli <Andrea.Mondelli@ucf.edu> mem-cache: tautological comparison of byteOrder Error: build/X86/mem/cache/prefetch/indirect_memory.cc:56:24: error: result of comparison of constant -1 with expression of type 'const ByteOrder' is always false [-Werror,-Wtautological-constant-out-of-range-compare] fatal_if(byteOrder == -1, "This prefetcher requires a defined ISA\n"); ~~~~~~~~~ ^ ~~ build/X86/base/logging.hh:205:14: note: expanded from macro 'fatal_if' if ((cond)) { \ ^~~~ 1 error generated. Fix: cast of constant (-1) used in comparison Change-Id: I3deb154c2fe5b92c4ddf499176cb185c4ec7cf64 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/17388 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> |
H A D | tagged.cc | 12727:56c23b54bcb1 Wed May 02 19:14:00 EDT 2018 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Fix include directives in the cache related classes Change-Id: I111b0f662897c43974aadb08da1ed85c7542585c Reviewed-on: https://gem5-review.googlesource.com/10433 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> 5875:d82be3235ab4 Mon Feb 16 11:56:00 EST 2009 Steve Reinhardt <steve.reinhardt@amd.com> Fixes to get prefetching working again. Apparently we broke it with the cache rewrite and never noticed. Thanks to Bao Yungang <baoyungang@gmail.com> for a significant part of these changes (and for inspiring me to work on the rest). Some other overdue cleanup on the prefetch code too. |
/gem5/tests/testing/ | ||
H A D | __init__.py | 11482:2ca1efb451e4 Thu May 26 06:56:00 EDT 2016 Andreas Sandberg <andreas.sandberg@arm.com> tests: Add test infrastructure as a Python module Implement gem5's test infrastructure as a Python module and a run script that can be used without scons. The new implementation has several features that were lacking from the previous test infrastructure such as support for multiple output formats, automatic runtime tracking, and better support for being run in a cluster environment. Tests consist of one or more steps (TestUnit). Units are run in two stages, the first a run stage and then a verify stage. Units in the verify stage are automatically skipped if any unit run stage wasn't run. The library currently contains TestUnit implementations that run gem5, diff stat files, and diff output files. Existing tests are implemented by the ClassicTest class and "just work". New tests can that don't rely on the old "run gem5 once and diff output" strategy can be implemented by subclassing the Test base class or ClassicTest. Test results can be output in multiple formats. The module currently supports JUnit, text (short and verbose), and Python's pickle format. JUnit output allows CI systems to automatically get more information about test failures. The pickled output contains all state necessary to reconstruct a tests results object and is mainly intended for the build system and CI systems. Since many JUnit parsers parsers assume that test suite names look like Java package names. We currently output path-like names with slashes separating components. Test names are translated according to these rules: * '.' -> '-" * '/' -> '.' The test tool, tests.py, supports the following features: * Test listing. Example: ./tests.py list arm/quick * Running tests. Example: ./tests.py run -o output.pickle --format pickle \ ../build/ARM/gem5.opt \ quick/se/00.hello/arm/linux/simple-timing * Displaying pickled results. Example: ./tests.py show --format summary *.pickle Change-Id: I527164bd791237aacfc65e7d7c0b67b695c5d17c Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Joel Hestness <jthestness@gmail.com> |
/gem5/util/ | ||
H A D | encode_packet_trace.py | 10107:524afa92d940 Fri Mar 07 15:56:00 EST 2014 Radhika Jagtap <radhika.jagtap@ARM.com> mem: Edit proto Packet and enhance the python script This patch changes the decode script to output the optional fields of the proto message Packet, namely id and flags. The flags field is set by the communication monitor. The id field is useful for CPU trace experiments, e.g. linking the fetch side to decode side. It had to be renamed because it clashes with a built in python function id() for getting the "identity" of an object. This patch also takes a few common function definitions out from the multiple scripts and adds them to a protolib python module. |
/gem5/src/mem/cache/ | ||
H A D | queue_entry.hh | 12727:56c23b54bcb1 Wed May 02 19:14:00 EDT 2018 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Fix include directives in the cache related classes Change-Id: I111b0f662897c43974aadb08da1ed85c7542585c Reviewed-on: https://gem5-review.googlesource.com/10433 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> |
H A D | write_queue_entry.hh | 12823:ba630bc7a36d Thu Jul 19 13:56:00 EDT 2018 Robert Kovacsics <rmk35@cl.cam.ac.uk> mem: Rename Packet::checkFunctional to trySatisfyFunctional Packet::checkFunctional also wrote data to/from the packet depending on if it was read/write, respectively, which the 'check' in the name would suggest otherwise. This renames it to doFunctional, which is more suggestive. It also renames any function called checkFunctional which calls Packet::checkFunctional. These are - Bridge::BridgeMasterPort::checkFunctional - calls Packet::checkFunctional - MSHR::checkFunctional - calls Packet::checkFunctional - MSHR::TargetList::checkFunctional - calls Packet::checkFunctional - Queue<>::checkFunctional (of src/mem/cache/queue.hh, not src/cpu/minor/buffers.h) - Instantiated with Queue<WriteQueueEntry> and Queue<MSHR> - WriteQueueEntry - calls Packet::checkFunctional - WriteQueueEntry::TargetList - calls Packet::checkFunctional - MemDelay::checkFunctional - calls QueuedSlavePort/QueuedMasterPort::checkFunctional - Packet::checkFunctional - PacketQueue::checkFunctional - calls Packet::checkFunctional - QueuedSlavePort::checkFunctional - calls PacketQueue::doFunctional - QueuedMasterPort::checkFunctional - calls PacketQueue::doFunctional - SerialLink::SerialLinkMasterPort::checkFunctional - calls Packet::doFunctional Change-Id: Ieca2579c020c329040da053ba8e25820801b62c5 Reviewed-on: https://gem5-review.googlesource.com/11810 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> 12727:56c23b54bcb1 Wed May 02 19:14:00 EDT 2018 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Fix include directives in the cache related classes Change-Id: I111b0f662897c43974aadb08da1ed85c7542585c Reviewed-on: https://gem5-review.googlesource.com/10433 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> |
/gem5/src/mem/cache/replacement_policies/ | ||
H A D | brrip_rp.hh | 12727:56c23b54bcb1 Wed May 02 19:14:00 EDT 2018 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Fix include directives in the cache related classes Change-Id: I111b0f662897c43974aadb08da1ed85c7542585c Reviewed-on: https://gem5-review.googlesource.com/10433 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> |
/gem5/src/dev/ | ||
H A D | intel_8254_timer.hh | 6067:c633cdd5ca25 Sun Apr 19 06:56:00 EDT 2009 Gabe Black <gblack@eecs.umich.edu> X86: Keep track of what the initial count value was in the LAPIC timer. 5444:d5d0ac0b6d58 Thu Jun 12 00:56:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> Timer: Fill out the periodic modes a little. |
H A D | intel_8254_timer.cc | 6067:c633cdd5ca25 Sun Apr 19 06:56:00 EDT 2009 Gabe Black <gblack@eecs.umich.edu> X86: Keep track of what the initial count value was in the LAPIC timer. 5444:d5d0ac0b6d58 Thu Jun 12 00:56:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> Timer: Fill out the periodic modes a little. |
/gem5/src/sim/ | ||
H A D | debug.cc | 9960:501c7384a5bc Fri Nov 01 11:56:00 EDT 2013 Andreas Hansson <andreas.hansson@arm.com> sim: Clarify the difference between tracing and debugging This patch changes the name the command-line options related to debug output to all start with "debug" rather than being a mix of that and "trace". It also makes it clear that the breakpoint time is specified in ticks and not in cycles. 8581:56f97760eadd Thu Sep 22 21:59:00 EDT 2011 Steve Reinhardt <steve.reinhardt@amd.com> event: minor cleanup Initialize flags via the Event constructor instead of calling setFlags() in the body of the derived class's constructor. I forget exactly why, but this made life easier when implementing multi-queue support. Also rename Event::getFlags() to isFlagSet() to better match common usage, and get rid of some unused Event methods. |
H A D | stat_control.hh | 9554:406fbcf60223 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Add warning for missing declarations This patch enables warnings for missing declarations. To avoid issues with SWIG-generated code, the warning is only applied to non-SWIG code. 9450:35d4879ad7c2 Mon Jan 07 16:56:00 EST 2013 Sascha Bischoff <sascha.bischoff@arm.com> stats: Fix swig wrapping for Tick in stats Tick was not correctly wrapped for the stats system, and therefore it was not possible to configure the stats dumping from the python scripts without defining Ticks as long long. This patch fixes the wrapping of Tick by copying the typemap of uint64_t to Tick. |
H A D | ClockDomain.py | 10249:6bbb7ae309ac Mon Jun 30 13:56:00 EDT 2014 Stephan Diestelhorst <stephan.diestelhorst@arm.com> power: Add basic DVFS support for gem5 Adds DVFS capabilities to gem5, by allowing users to specify lists for frequencies and voltages in SrcClockDomains and VoltageDomains respectively. A separate component, DVFSHandler, provides a small interface to change operating points of the associated domains. Clock domains will be linked to voltage domains and thus allow separate clock, but shared voltage lines. Currently all the valid performance-level updates are performed with a fixed transition latency as specified for the domain. Config file example: ... vd = VoltageDomain(voltage = ['1V','0.95V','0.90V','0.85V']) tsys.cluster1.clk_domain.clock = ['1GHz','700MHz','400MHz','230MHz'] tsys.cluster2.clk_domain.clock = ['1GHz','700MHz','400MHz','230MHz'] tsys.cluster1.clk_domain.domain_id = 0 tsys.cluster2.clk_domain.domain_id = 1 tsys.cluster1.clk_domain.voltage_domain = vd tsys.cluster2.clk_domain.voltage_domain = vd tsys.dvfs_handler.domains = [tsys.cluster1.clk_domain, tsys.cluster2.clk_domain] tsys.dvfs_handler.enable = True |
/gem5/src/dev/x86/ | ||
H A D | pc.cc | 5830:1758d56964c9 Sun Feb 01 02:56:00 EST 2009 Gabe Black <gblack@eecs.umich.edu> X86: Set up the console interrupt and add some DPRINTFs. 5446:23711deb13ac Thu Jun 12 00:56:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> X86: Make the platform object initialize channel 0 of the PIT. |
H A D | intdev.hh | 9807:63d7362bbdf2 Thu Jul 11 22:56:00 EDT 2013 Steve Reinhardt <stever@gmail.com> dev: consistently end device classes in 'Device' PciDev and IntDev stuck out as the only device classes that ended in 'Dev' rather than 'Device'. This patch takes care of that inconsistency. Note that you may need to delete pre-existing files matching build/*/python/m5/internal/param_* as scons does not pick up indirect dependencies on imported python modules when generating params, and the PciDev -> PciDevice rename takes place in a file (dev/Device.py) that gets imported quite a bit. Committed by: Nilay Vaish <nilay@cs.wisc.edu> 9557:8666e81607a6 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Fix warnings issued by clang 3.2svn (XCode 4.6) This patch fixes the warnings that clang3.2svn emit due to the "-Wall" flag. There is one case of an uninitialised value in the ARM neon ISA description, and then a whole range of unused private fields that are pruned. 9549:95a536fae9ac Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> mem: Enforce strict use of busFirst- and busLastWordTime This patch adds a check to ensure that the delay incurred by the bus is not simply disregarded, but accounted for by someone. At this point, all the modules do is to zero it out, and no additional time is spent. This highlights where the bus timing is simply dropped instead of being paid for. As a follow up, the locations identified in this patch should add this additional time to the packets in one way or another. For now it simply acts as a sanity check and highlights where the delay is simply ignored. Since no time is added, all regressions remain the same. |
H A D | pc.hh | 5446:23711deb13ac Thu Jun 12 00:56:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> X86: Make the platform object initialize channel 0 of the PIT. |
/gem5/src/mem/ruby/profiler/ | ||
H A D | AddressProfiler.cc | 9550:e0e2c8f83d08 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Fix up numerous warnings about name shadowing This patch address the most important name shadowing warnings (as produced when using gcc/clang with -Wshadow). There are many locations where constructor parameters and function parameters shadow local variables, but these are left unchanged. 7054:7d6862b80049 Wed Mar 31 19:56:00 EDT 2010 Nathan Binkert <nate@binkert.org> style: another ruby style pass |
/gem5/configs/boot/ | ||
H A D | nfs-client-tcp-smallb.rcS | 1238:32fc21b02f44 Wed Nov 17 18:56:00 EST 2004 Ali Saidi <saidi@eecs.umich.edu> Add the boot scripts for nfs tcp |
H A D | nfs-client-tcp.rcS | 1238:32fc21b02f44 Wed Nov 17 18:56:00 EST 2004 Ali Saidi <saidi@eecs.umich.edu> Add the boot scripts for nfs tcp |
/gem5/src/dev/arm/ | ||
H A D | amba_device.hh | 9806:3f262c18ad5d Thu Jul 11 22:56:00 EDT 2013 Steve Reinhardt <stever@gmail.com> dev/arm: get rid of AmbaDev namespace It was confusing having an AmbaDev namespace along with an AmbaDevice class. The namespace stuff is now moved in to a new base AmbaDevice class, which is a mixin for classes AmbaPioDevice (the former AmbaDevice) and AmbaDmaDevice to provide the readId function as an inherited member function. Committed by: Nilay Vaish <nilay@cs.wisc.edu> |
/gem5/src/base/ | ||
H A D | inifile.cc | 9550:e0e2c8f83d08 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Fix up numerous warnings about name shadowing This patch address the most important name shadowing warnings (as produced when using gcc/clang with -Wshadow). There are many locations where constructor parameters and function parameters shadow local variables, but these are left unchanged. |
/gem5/src/sim/probe/ | ||
H A D | probe.hh | 10104:ff709c429b7b Fri Mar 07 15:56:00 EST 2014 Mitch Hayenga <mitch.hayenga@arm.com> scons: Fixes uninitialized warnings issued by clang Small fixes to appease recent clang versions. |
/gem5/src/arch/x86/isa/insts/general_purpose/data_transfer/ | ||
H A D | stack_operations.py | 7872:b21a94bf6a28 Wed Feb 02 22:56:00 EST 2011 Gabe Black <gblack@eecs.umich.edu> X86: Replace the stupd microop with a store/update sequence. |
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