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for multiple configs of the built simulator to exist at one time. Now you no longer have to clean build when changing from debug to release configs it also eliminates the possibility of having a fraken-file where some objects are in debug and some are in release.
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 9743]
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[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 8153]
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configuration
components of this class.
2. clock memory pipeline no. subwarp times for each shader clock and increase
rob-size for texture cache (trying to improve correlation, currently at 0.9218)
3. start to modify shader stats to add back features for visualizer (warp
divergence distribution kind of working again)
passing cuda 3.1 regression and ptxplus correlation tests
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7909]
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passing CUDA 3.1 regression
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7886]
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- read only cache model with integrated mshrs (no L1D, yet); new
cache interface should be easily extendable to support texture
cache with latency fifo and separate tag/data arrays, though
this is not yet added (currently tags and data arrays are not
decoupled for texture)
- new partition model using the above
removes all old MSHRs, L1D etc...
passing CUDA 3.1 regression
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7875]
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(and parse it before creating the simulator objects).
2. creating core_config to hold only features of a shader_core that are high
level enough either (a) the functional simulator needs to know about them,
or (b) they affect memory *access* generation.
3. in config files only (so far) separate out notion of write-{through,back},
from notion of when a line is allocated... will use this to distinguish
different types of caches.
passing CUDA 3.1 regression
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7870]
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this gives us a place to stick caches shared among shader cores but
on the shader side of the interconnect... maybe move the clock
boundary code here? after integrating booksim 2 code?
2. added a pending write table to ldst_unit rather than scoreboard
... rationale is that ld/st unit needs to process register writes
once it is done it can notify scoreboard once.
3. re-enabled shared memory delay (use pipeline within ldst_unit)
4. re-enabling operand collector writeback for all instruction types
5. disable MSHRs in this change list
passing CUDA 3.1 regression
next? texture cache, then redo mshrs?
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7845]
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refactoring: create warp_inst_t that provides notion of a group of scalar instructions
traveling down the pipeline.
delete DWF
delete MIMD
delete warp_tracker
delete old writeback stage, replace it with a stub that just writes back everything
delete old pipeline model
current status: MSHR's need to change to deal with the new structure
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7814]
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[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7807]
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(i'll use "fermi" for more disruptive changes to the pipeline model such
as updating the MSHRs and getting rid of the warp tracker, ripping out DWF, etc...)
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7805]
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[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7183]
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[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7176]
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[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7172]
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[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 6829]
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