Input compression features for large dimension inputs and infrastructure for convolution feature

src/lava/magma/compiler/channel_map.py

@@ -61,7 +61,8 @@ def lmt_allocation_dict(self) -> ty.Dict[int, int]:
         return self._lmt_allocation_dict
 
     @classmethod
-    def from_proc_groups(self, proc_groups: ty.List[ProcGroup]) -> "ChannelMap":
+    def from_proc_groups(self,
+                         proc_groups: ty.List[ProcGroup]) -> "ChannelMap":
         """Initializes a ChannelMap from a list of process ProcGroups
         extracting the ports from every process group.
 

src/lava/magma/compiler/compiler.py

@@ -706,6 +706,8 @@ def _create_runtime_service_builder(
                 if isinstance(run_cfg, AbstractLoihiHWRunCfg):
                     rs_kwargs["pre_run_fxs"] = run_cfg.pre_run_fxs
                     rs_kwargs["post_run_fxs"] = run_cfg.post_run_fxs
+                    rs_kwargs["embedded_allocation_order"] = \
+                        run_cfg.embedded_allocation_order
 
                 rs_builder = RuntimeServiceBuilder(
                     rs_class,

src/lava/magma/compiler/mapper.py

@@ -128,9 +128,19 @@ def map_cores(self, executable: Executable,
                     # Checking if the initializers are same
                     if channel_map[port_pair].src_port_initializer == ports[
                             port]:
-                        dst_addr: ty.List[LoihiAddress] = channel_map[
-                            port_pair].dst_port_initializer.var_model.address
-                        chips = [addr.physical_chip_id for addr in dst_addr]
+                        var_model = channel_map[
+                            port_pair].dst_port_initializer.var_model
+                        # Checking to see if its ConvInVarModel or not
+                        if hasattr(var_model, "address"):
+                            vm = channel_map[
+                                port_pair].dst_port_initializer.var_model
+                            dst_addr: ty.List[LoihiAddress] = vm.address
+                            chips = [addr.physical_chip_id for addr in dst_addr]
+                        else:
+                            # Will be here for Conv Regions which will have
+                            # ConvInVarModel
+                            chips = [region.physical_chip_idx for region in
+                                     var_model.regions]
                         address.update(chips)
                         # Set address of c ref_var as that of the var port its
                         # pointing to

src/lava/magma/compiler/subcompilers/constants.py

@@ -1,6 +1,7 @@
 # Copyright (C) 2022 Intel Corporation
 # SPDX-License-Identifier: LGPL 2.1 or later
 # See: https://spdx.org/licenses/
+from enum import IntEnum
 
 COUNTERS_PER_EMBEDDED_CORE = 900
 EMBEDDED_CORE_COUNTER_START_INDEX = 33
@@ -9,3 +10,13 @@
 NUM_VIRTUAL_CORES_L3 = 120
 
 MAX_EMBEDDED_CORES_PER_CHIP = 3
+
+
+class EMBEDDED_ALLOCATION_ORDER(IntEnum):
+    NORMAL = 1
+    """Allocate embedded cores in normal order 0, 1, 2"""
+    REVERSED = -1
+    """Allocate embedded cores in reverse order 2, 1, 0. This is useful in
+    situations in case of certain tasks which take longer than others and
+    need to be scheduled on embedded core 0 to ensure nxcore does not stop
+    communicating on channels"""

src/lava/magma/compiler/utils.py

@@ -6,7 +6,7 @@
 from lava.magma.compiler.mappable_interface import Mappable
 from lava.magma.compiler.subcompilers.address import NcLogicalAddress, \
     NcVirtualAddress
-from lava.magma.compiler.var_model import LoihiVarModel
+from lava.magma.compiler.var_model import LoihiVarModel, ConvInVarModel
 from lava.magma.core.model.spike_type import SpikeType
 
 
@@ -58,6 +58,10 @@ def get_logical(self) -> ty.List[NcLogicalAddress]:
         -------
         Returns logical address of the port initializer.
         """
+        # TODO: Need to clean this
+        if isinstance(self.var_model, ConvInVarModel):
+            return self.var_model.get_logical()
+
         return [NcLogicalAddress(chip_id=addr.logical_chip_id,
                                  core_id=addr.logical_core_id) for addr in
                 self.var_model.address]
@@ -73,6 +77,11 @@ def set_virtual(self, addrs: ty.List[NcVirtualAddress]):
         -------
 
         """
+        # TODO: Need to clean this
+        if isinstance(self.var_model, ConvInVarModel):
+            self.var_model.set_virtual(addrs)
+            return
+
         if len(addrs) != len(self.var_model.address):
             raise ValueError("Length of list of address provided doesn't "
                              "match size of the address list of the port "

src/lava/magma/compiler/var_model.py

@@ -15,17 +15,20 @@
     pass
 from lava.magma.core.process.variable import Var
 
+ChipIdx: int
+CoreIdx: int
+
 
 @dataclass
 class LoihiAddress:
     # physical chip id of the var
-    physical_chip_id: int
+    physical_chip_id: ChipIdx
     # physical core id of the nc var or lmt_id of the spike counter
-    physical_core_id: int
+    physical_core_id: CoreIdx
     # logical chip id used in compilation, before mapping to hardware addresses
-    logical_chip_id: int
+    logical_chip_id: ChipIdx
     # logical core id used in compilation, before mapping to hardware addresses
-    logical_core_id: int
+    logical_core_id: CoreIdx
     # logical address/index of the var; used with nodesets for get/set
     logical_idx_addr: int
     # length of the contiguous addresses of var on core_id on chip_id
@@ -122,3 +125,62 @@ class CVarModel(LoihiVarModel):
 @dataclass
 class NcVarModel(LoihiVarModel):
     pass
+
+
+@dataclass
+class Region:
+    x_min: int
+    x_max: int
+    y_min: int
+    y_max: int
+    logical_chip_idx: ChipIdx
+    logical_core_idx: CoreIdx
+    physical_chip_idx: ChipIdx = None
+    physical_core_idx: CoreIdx = None
+
+
+@dataclass
+class ConvInVarModel(AbstractVarModel, Mappable):
+    x_dim: int = 0
+    y_dim: int = 0
+    f_dim: int = 0
+    x_split: int = 0
+    f_split: int = 0
+    regions: ty.List[Region] = None
+
+    def get_logical(self) -> ty.List[NcLogicalAddress]:
+        """
+
+        Returns
+        -------
+        Returns logical address of the port initializer.
+        """
+        return [NcLogicalAddress(chip_id=region.logical_chip_idx,
+                                 core_id=region.logical_core_idx) for region in
+                self.regions]
+
+    def set_virtual(self, addrs: ty.List[NcVirtualAddress]):
+        """
+        Sets physical address of the port initializer
+        Parameters
+        ----------
+        addrs: List of address
+
+        Returns
+        -------
+
+        """
+        if len(addrs) != len(self.regions):
+            raise ValueError("Length of list of address provided doesn't "
+                             "match size of the regions list of the port "
+                             "initializer.")
+        for idx, addr in enumerate(addrs):
+            self.regions[idx].physical_chip_idx = addr.chip_id
+            self.regions[idx].physical_core_idx = addr.core_id
+
+
+@dataclass
+class ConvNeuronVarModel(LoihiNeuronVarModel):
+    alloc_dims: ty.List[ty.Tuple[int, int, int]] = None
+    valid_dims: ty.List[ty.Tuple[int, int, int]] = None
+    var_shape: ty.Tuple[int, int, int] = None

src/lava/magma/core/run_configs.py

@@ -21,6 +21,8 @@ class AbstractNcProcessModel:
         pass
 
 from lava.magma.core.sync.domain import SyncDomain
+from lava.magma.compiler.subcompilers.constants import \
+    EMBEDDED_ALLOCATION_ORDER
 
 if ty.TYPE_CHECKING:
     from lava.magma.core.process.process import AbstractProcess
@@ -365,6 +367,7 @@ class Loihi1HwCfg(AbstractLoihiHWRunCfg):
     a tag provided by the user. This RunConfig will default to a PyProcModel
     if no Loihi1-compatible ProcModel is being found.
     ."""
+
     def __init__(self,
                  custom_sync_domains: ty.Optional[ty.List[SyncDomain]] = None,
                  select_tag: ty.Optional[str] = None,
@@ -374,14 +377,17 @@ def __init__(self,
                          AbstractProcessModel]]] = None,
                  loglevel: int = logging.WARNING,
                  pre_run_fxs: ty.List[ty.Callable] = [],
-                 post_run_fxs: ty.List[ty.Callable] = []):
+                 post_run_fxs: ty.List[ty.Callable] = [],
+                 embedded_allocation_order=EMBEDDED_ALLOCATION_ORDER.NORMAL):
         super().__init__(custom_sync_domains,
                          select_tag,
                          select_sub_proc_model,
                          exception_proc_model_map,
                          loglevel)
         self.pre_run_fxs: ty.List[ty.Callable] = pre_run_fxs
         self.post_run_fxs: ty.List[ty.Callable] = post_run_fxs
+        self.embedded_allocation_order: EMBEDDED_ALLOCATION_ORDER = \
+            embedded_allocation_order
 
     def _order_according_to_resources(self, proc_models: ty.List[ty.Type[
             AbstractProcessModel]]) -> ty.List[int]:
@@ -424,6 +430,7 @@ class Loihi2HwCfg(AbstractLoihiHWRunCfg):
     a tag provided by the user. This RunConfig will default to a PyProcModel
     if no Loihi2-compatible ProcModel is being found.
     """
+
     def __init__(self,
                  custom_sync_domains: ty.Optional[ty.List[SyncDomain]] = None,
                  select_tag: ty.Optional[str] = None,
@@ -433,14 +440,17 @@ def __init__(self,
                          AbstractProcessModel]]] = None,
                  loglevel: int = logging.WARNING,
                  pre_run_fxs: ty.List[ty.Callable] = [],
-                 post_run_fxs: ty.List[ty.Callable] = []):
+                 post_run_fxs: ty.List[ty.Callable] = [],
+                 embedded_allocation_order=EMBEDDED_ALLOCATION_ORDER.NORMAL):
         super().__init__(custom_sync_domains,
                          select_tag,
                          select_sub_proc_model,
                          exception_proc_model_map,
                          loglevel)
         self.pre_run_fxs: ty.List[ty.Callable] = pre_run_fxs
         self.post_run_fxs: ty.List[ty.Callable] = post_run_fxs
+        self.embedded_allocation_order: EMBEDDED_ALLOCATION_ORDER = \
+            embedded_allocation_order
 
     def _order_according_to_resources(self, proc_models: ty.List[ty.Type[
             AbstractProcessModel]]) -> ty.List[int]:

src/lava/proc/io/__init__.py

@@ -2,6 +2,6 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # See: https://spdx.org/licenses/
 
-from . import reset, source, sink, dataloader
+from . import reset, source, sink, dataloader, encoder
 
-__all__ = ['reset', 'source', 'sink', 'dataloader']
+__all__ = ['reset', 'source', 'sink', 'dataloader', 'encoder']