feat(example): Add a python example to codegen whole gemm. (#20)

* Add Rust crate docs.

* fix Python import.

* Add Shared to Register codegen.

* Add shared to register codegen

* Add a python example to codegen whole gemm.

* fix pynode buffer.

* Add docs.

* Add TODO comments.

* Delete pycache.

* fix gitignore.

* Add empty line.

* chore: fix PyNode tensor method.

* chore: fix emit_loop method.

* chore: follow code reviews.

.gitignore

@@ -1,2 +1,3 @@
 /target
 TiledCUDA/
+**/__pycache__/

thriller-bindings/.gitignore

@@ -1,3 +1,4 @@
 .env/
 tests/__pycache__
-pythriller/__pycache__
+pythriller/__pycache__
+*/__pycache__

thriller-bindings/examples/gemm/gemm_g2r.py

@@ -1,25 +1,27 @@
 import context
 
-import pythriller
+from pythriller import initialize_thriller_flow
+from pythriller import Tensor, Layout, TensorType, Graph, Node, Edge
+from pythriller import AttachedEdge, Block, IterationVar, AccessMap
 
 if __name__ == '__main__':
-    pythriller.initialize_thriller_flow()
+    initialize_thriller_flow()
 
-    LayoutA = pythriller.PyLayout.RowMajor
-    LayoutB = pythriller.PyLayout.RowMajor
-    LayoutC = pythriller.PyLayout.RowMajor
+    LayoutA = Layout.RowMajor
+    LayoutB = Layout.RowMajor
+    LayoutC = Layout.RowMajor
 
-    GlobalLayoutA = pythriller.PyLayout.RowMajor
-    GlobalLayoutB = pythriller.PyLayout.ColMajor
-    GlobalLayoutC = pythriller.PyLayout.RowMajor
+    GlobalLayoutA = Layout.RowMajor
+    GlobalLayoutB = Layout.ColMajor
+    GlobalLayoutC = Layout.RowMajor
 
-    BufTypeA = pythriller.PyBufType.RegTile
-    BufTypeB = pythriller.PyBufType.RegTile
-    BufTypeC = pythriller.PyBufType.RegTile
+    BufTypeA = TensorType.RegTile
+    BufTypeB = TensorType.RegTile
+    BufTypeC = TensorType.RegTile
 
-    GlobalTypeA = pythriller.PyBufType.GlobalTile
-    GlobalTypeB = pythriller.PyBufType.GlobalTile
-    GlobalTypeC = pythriller.PyBufType.GlobalTile
+    GlobalTypeA = TensorType.GlobalTile
+    GlobalTypeB = TensorType.GlobalTile
+    GlobalTypeC = TensorType.GlobalTile
 
     DimA = [64, 64]
     DimB = [64, 64]
@@ -29,13 +31,13 @@
     GlobalDimB = [256, 256]
     GlobalDimC = [256, 256]
 
-    rA = pythriller.PyBuffer("rA", DimA, LayoutA, BufTypeA)
-    rB = pythriller.PyBuffer("rB", DimB, LayoutB, BufTypeB)
-    acc = pythriller.PyBuffer("acc", DimC, LayoutC, BufTypeC)
+    rA = Tensor("rA", DimA, LayoutA, BufTypeA)
+    rB = Tensor("rB", DimB, LayoutB, BufTypeB)
+    acc = Tensor("acc", DimC, LayoutC, BufTypeC)
 
-    gA = pythriller.PyBuffer("gA", GlobalDimA, GlobalLayoutA, GlobalTypeA)
-    gB = pythriller.PyBuffer("gB", GlobalDimB, GlobalLayoutB, GlobalTypeB)
-    gC = pythriller.PyBuffer("gC", GlobalDimC, GlobalLayoutC, GlobalTypeC)
+    gA = Tensor("gA", GlobalDimA, GlobalLayoutA, GlobalTypeA)
+    gB = Tensor("gB", GlobalDimB, GlobalLayoutB, GlobalTypeB)
+    gC = Tensor("gC", GlobalDimC, GlobalLayoutC, GlobalTypeC)
 
     print(rA)
     print(rB)
@@ -45,37 +47,35 @@
     print(gB)
     print(gC)
 
-    MemoryLevel = pythriller.PyMemoryLevel.Register
-    RegGraph = pythriller.PyGraph()
+    RegGraph = Graph()
 
-    NodeA = pythriller.PyNode(rA)
-    NodeB = pythriller.PyNode(rB)
-    NodeAcc = pythriller.PyNode(acc)
+    NodeA = Node.tensor(rA)
+    NodeB = Node.tensor(rB)
+    NodeAcc = Node.tensor(acc)
 
-    GemmNode = pythriller.PyNode.gemm(NodeA, NodeB, NodeAcc)
+    GemmNode = Node.gemm(NodeA, NodeB, NodeAcc)
 
-    LoopIter = pythriller.IterationVar('i', (0, 4))
+    LoopIter = IterationVar('i', (0, 4))
 
     access_dims = [1]
 
-    AccessMap = pythriller.AccessMap(
+    AccessMap = AccessMap(
         access_dims, [[[1]], [[0]]], [[0], [10]], [LoopIter])
 
-    EdgeA_Gemm = pythriller.PyEdge(NodeA, GemmNode)
-    EdgeB_GEMM = pythriller.PyEdge(NodeB, GemmNode)
-    EdgeGemm_Acc = pythriller.PyEdge(GemmNode, NodeAcc)
+    EdgeA_Gemm = Edge(NodeA, GemmNode)
+    EdgeB_Gemm = Edge(NodeB, GemmNode)
+    EdgeGemm_Acc = Edge(GemmNode, NodeAcc)
 
     RegGraph.add_nodes([NodeA, NodeB, NodeAcc, GemmNode])
-    RegGraph.add_edges([EdgeA_Gemm, EdgeB_GEMM, EdgeGemm_Acc])
+    RegGraph.add_edges([EdgeA_Gemm, EdgeB_Gemm, EdgeGemm_Acc])
 
     RegGraph.connect()
 
-    LoadGlobalToRegEdgeA = pythriller.AttachedEdge(gA, rA, AccessMap)
-    LoadGlobalToRegEdgeB = pythriller.AttachedEdge(gB, rB, AccessMap)
-    StoreRegToGlobalEdgeC = pythriller.AttachedEdge(acc, gC, AccessMap)
-    G2RBlockMemLevel = pythriller.PyMemoryLevel.Register
+    LoadGlobalToRegEdgeA = AttachedEdge(gA, rA, AccessMap)
+    LoadGlobalToRegEdgeB = AttachedEdge(gB, rB, AccessMap)
+    StoreRegToGlobalEdgeC = AttachedEdge(acc, gC, AccessMap)
 
-    GlobalToRegBlock = pythriller.Block(
+    GlobalToRegBlock = Block(
         [LoadGlobalToRegEdgeA, LoadGlobalToRegEdgeB], [StoreRegToGlobalEdgeC], RegGraph, [LoopIter])
 
     code = GlobalToRegBlock.codegen()

thriller-bindings/examples/gemm/whole_gemm.py

@@ -0,0 +1,163 @@
+'''
+Whole GEMM is an example of GEMM that utilizes all memory hierarchies
+of NVIDIA GPU.
+'''
+import context
+
+from pythriller import initialize_thriller_flow, Layout, Tensor, TensorType
+from pythriller import Graph, Node, Edge, AttachedEdge, IterationVar, AccessMap
+from pythriller import Block
+
+
+if __name__ == '__main__':
+    # Initialize runtime.
+    initialize_thriller_flow()
+
+    # Define reg layout for A, B, C.
+    RegLayoutA = Layout.RowMajor
+    RegLayoutB = Layout.RowMajor
+    RegLayoutC = Layout.RowMajor
+
+    # Define shared layout for A, B, C.
+    SharedLayoutA = Layout.RowMajor
+    SharedLayoutB = Layout.ColMajor
+    SharedLayoutC = Layout.RowMajor
+
+    # Define global layout for A, B, C.
+    GlobalLayoutA = Layout.RowMajor
+    GlobalLayoutB = Layout.ColMajor
+    GlobalLayoutC = Layout.RowMajor
+
+    # Define Reg Dim for A, B, C.
+    RegDimA = [64, 64]
+    RegDimB = [64, 64]
+    RegDimC = [64, 64]
+
+    # Define Shared Dim for A, B, C.
+    SharedDimA = [64, 64]
+    SharedDimB = [64, 64]
+    SharedDimC = [64, 64]
+
+    # Define Global Dim for A, B, C.
+    GlobalDimA = [256, 256]
+    GlobalDimB = [256, 256]
+    GlobalDimC = [256, 256]
+
+    # Define Reg Tensor for A, B, C.
+    rA = Tensor("rA", RegDimA, RegLayoutA, TensorType.RegTile)
+    rB = Tensor("rB", RegDimB, RegLayoutB, TensorType.RegTile)
+    acc = Tensor("acc", RegDimC, RegLayoutC, TensorType.RegTile)
+
+    # Define Shared Tensor for A, B, C.
+    sA = Tensor("sA", SharedDimA, SharedLayoutA, TensorType.SharedTile)
+    sB = Tensor("sB", SharedDimB, SharedLayoutB, TensorType.SharedTile)
+    sC = Tensor("sC", SharedDimC, SharedLayoutC, TensorType.SharedTile)
+
+    # Define Global Tensor for A, B, C.
+    gA = Tensor("gA", GlobalDimA, GlobalLayoutA, TensorType.GlobalTile)
+    gB = Tensor("gB", GlobalDimB, GlobalLayoutB, TensorType.GlobalTile)
+    gC = Tensor("gC", GlobalDimC, GlobalLayoutC, TensorType.GlobalTile)
+
+    # Define Reg Node for A, B, C.
+    NodeRA = Node.tensor(rA)
+    NodeRB = Node.tensor(rB)
+    NodeRC = Node.tensor(acc)
+
+    # Define Reg GEMM Node.
+    RegGemmNode = Node.gemm(NodeRA, NodeRB, NodeRC)
+
+    # Define Reg Edge for A, B, C, GEMM.
+    RegEdgeA = Edge(NodeRA, RegGemmNode)
+    RegEdgeB = Edge(NodeRB, RegGemmNode)
+    RegEdgeC = Edge(RegGemmNode, NodeRC)
+
+    # Define Shared Node for A, B, C.
+    NodeSA = Node.tensor(sA)
+    NodeSB = Node.tensor(sB)
+    NodeSC = Node.tensor(sC)
+
+    # Define Global Node for A, B, C.
+    NodeGA = Node.tensor(gA)
+    NodeGB = Node.tensor(gB)
+    NodeGC = Node.tensor(gC)
+
+    # Define loop iter from shared to register
+    LoopIterS2R = IterationVar('j', (0, 1))
+
+    # Define loop iter from global to shared
+    LoopIterG2S = IterationVar('i', (0, 4))
+
+    # Build AccessMap from Shared to Register.
+    AccessMapSA2RA = AccessMap(
+        [0], [[[1]], [[0]]], [[0], [0]], [LoopIterS2R])
+    AccessMapSB2RB = AccessMap(
+        [0], [[[1]], [[0]]], [[0], [0]], [LoopIterS2R])
+    AccessMapRC2SC = AccessMap([0], [[[]], [[]]], [[], []], [])
+
+    # Build AccessMap from Global to Shared.
+    AccessMapGA2SA = AccessMap(
+        [0], [[[1]], [[0]]], [[0], [0]], [LoopIterG2S])
+    AccessMapGB2SB = AccessMap(
+        [0], [[[1]], [[0]]], [[0], [0]], [LoopIterG2S])
+    AccessMapSC2GC = AccessMap([0], [[[]], [[]]], [[], []], [])
+
+    # Build Attached Edge from Shared to Register.
+    AttachedEdgeSA2RA = AttachedEdge(sA, rA, AccessMapSA2RA)
+    AttachedEdgeSB2RB = AttachedEdge(sB, rB, AccessMapSB2RB)
+    AttachedEdgeSC2RC = AttachedEdge(acc, sC, AccessMapRC2SC)
+
+    # Build Attached Edge from Global to Shared.
+    AttachedEdgeGA2SA = AttachedEdge(gA, sA, AccessMapGA2SA)
+    AttachedEdgeGB2SB = AttachedEdge(gB, sB, AccessMapGB2SB)
+    AttachedEdgeSC2GC = AttachedEdge(sC, gC, AccessMapSC2GC)
+
+    # Build Register Level ETDG.
+    RegGraph = Graph()
+
+    # Add Reg Nodes into Reg Graph.
+    RegGraph.add_nodes([NodeRA, NodeRB, NodeRC, RegGemmNode])
+    # Add Reg Edges into Reg Graph.
+    RegGraph.add_edges([RegEdgeA, RegEdgeB, RegEdgeC])
+    # Connect Reg Graph.
+    RegGraph.connect()
+
+    # Print codegen for Reg Graph.
+    reg_code = RegGraph.codegen()
+    print(reg_code)
+
+    # Build Block for Shared to Register.
+    SharedToRegBlock = Block(
+        [AttachedEdgeSA2RA, AttachedEdgeSB2RB], [AttachedEdgeSC2RC], RegGraph, [LoopIterS2R])
+
+    # Print codegen for Shared to Register Block.
+    shared_to_reg_code = SharedToRegBlock.codegen()
+    print(shared_to_reg_code)
+
+    # Define BlockNode for SharedToRegBlock
+    SharedBlockNode = Node.block(SharedToRegBlock)
+
+    # Define Edge for SA, SB, SC, SharedBlockNode.
+    EdgeSA2Block = Edge(NodeSA, SharedBlockNode)
+    EdgeSB2Block = Edge(NodeSB, SharedBlockNode)
+    EdgeBlock2SC = Edge(SharedBlockNode, NodeSC)
+
+    # Build Shared Level ETDG.
+    SharedGraph = Graph()
+    # Add Shared Nodes into Shared Graph.
+    SharedGraph.add_nodes([NodeSA, NodeSB, NodeSC, SharedBlockNode])
+    # Add Shared Edges into Shared Graph.
+    SharedGraph.add_edges([EdgeSA2Block, EdgeSB2Block, EdgeBlock2SC])
+    # Connect Shared Graph.
+    SharedGraph.connect()
+
+    # Print codegen for Shared Graph.
+    shared_code = SharedGraph.codegen()
+    print(shared_code)
+
+    # Build Block for Global to Shared.
+    GlobalToSharedBlock = Block(
+        [AttachedEdgeGA2SA, AttachedEdgeGB2SB], [AttachedEdgeSC2GC], SharedGraph, [LoopIterG2S])
+
+    # Print codegen for Global to Shared Block.
+    global_to_shared_code = GlobalToSharedBlock.codegen()
+    print(global_to_shared_code)

thriller-bindings/pythriller/__init__.py

@@ -1 +1,3 @@
-from .context import initialize_thriller_flow, PyLayout, PyBufType, PyBuffer, PyGraph, PyNode, PyEdge, PyMemoryLevel, Gemm, AttachedEdge, Block, IterationVar, AccessMap
+from .context import initialize_thriller_flow, Layout, TensorType
+from .context import Graph, Node, Edge, Gemm, AttachedEdge, Tensor
+from .context import Block, IterationVar, AccessMap

thriller-bindings/src/block.rs

@@ -7,7 +7,7 @@ use pyo3::{prelude::*, types::PyList};
 use crate::{access::PyAccessMap, buffer::PyBuffer, graph::PyGraph, var::PyIterationVar};
 
 #[pyclass(unsendable, module = "block", name = "Block")]
-pub struct PyBlock(pub ThrillerBlock);
+pub struct PyBlock(pub Rc<ThrillerBlock>);
 
 #[pyclass(unsendable, module = "block", name = "AttachedEdge")]
 pub struct PyAttachedEdge(pub Rc<AttachedEdge>);
@@ -52,7 +52,7 @@ impl PyBlock {
 
         let block = ThrillerBlock::new(inputs, outputs, subgraph, ivars);
 
-        Ok(PyBlock(block))
+        Ok(PyBlock(Rc::new(block)))
     }
 
     fn codegen(&self) -> PyResult<String> {

thriller-bindings/src/buffer.rs

@@ -3,16 +3,16 @@ use std::rc::Rc;
 use pyo3::prelude::*;
 use thriller_core::{BufType, Buffer, Dim, Layout};
 
-#[pyclass(unsendable)]
+#[pyclass(unsendable, module = "buffer", name = "Tensor")]
 pub struct PyBuffer(pub Rc<Buffer>);
 
-#[pyclass]
+#[pyclass(module = "buffer", name = "Layout")]
 pub enum PyLayout {
     RowMajor,
     ColMajor,
 }
 
-#[pyclass]
+#[pyclass(module = "buffer", name = "TensorType")]
 pub enum PyBufType {
     GlobalTile,
     SharedTile,

thriller-bindings/src/graph.rs

@@ -5,18 +5,12 @@ use thriller_core::{
     AccessMap, Gemm, Task, ThrillerEdge, ThrillerGraph, ThrillerNode, ThrillerNodeInner,
 };
 
+use crate::block::PyBlock;
 use crate::buffer::PyBuffer;
 
 use std::{cell::RefCell, rc::Rc};
 
-#[pyclass]
-pub enum PyMemoryLevel {
-    Register,
-    Shared,
-    Global,
-}
-
-#[pyclass(unsendable)]
+#[pyclass(unsendable, module = "graph", name = "Graph")]
 pub struct PyGraph(pub Rc<RefCell<ThrillerGraph>>);
 
 #[pymethods]
@@ -66,17 +60,24 @@ impl PyGraph {
     }
 }
 
-#[pyclass(unsendable)]
+#[pyclass(unsendable, module = "graph", name = "Node")]
 pub struct PyNode(pub Rc<RefCell<ThrillerNode>>);
 
 #[pymethods]
 impl PyNode {
-    #[new]
-    fn buffer(buf: &PyBuffer) -> Self {
+    #[staticmethod]
+    fn tensor(buf: PyRef<PyBuffer>) -> Self {
         let node = ThrillerNode::new(thriller_core::ThrillerNodeInner::Buffer(Rc::clone(&buf.0)));
         PyNode(Rc::new(RefCell::new(node)))
     }
 
+    #[staticmethod]
+    fn block(block: PyRef<PyBlock>) -> Self {
+        let node = ThrillerNode::new(ThrillerNodeInner::Block(Rc::clone(&block.0)));
+        PyNode(Rc::new(RefCell::new(node)))
+    }
+
+    #[staticmethod]
     fn gemm(a: PyRef<PyNode>, b: PyRef<PyNode>, c: PyRef<PyNode>) -> Self {
         let access_map = AccessMap::new(0, vec![]);
 
@@ -98,7 +99,7 @@ impl PyNode {
     }
 }
 
-#[pyclass(unsendable)]
+#[pyclass(unsendable, module = "graph", name = "Edge")]
 pub struct PyEdge(pub Rc<ThrillerEdge>);
 
 #[pymethods]