diff --git a/.github/actions/prepare-gpu/action.yml b/.github/actions/prepare-gpu/action.yml
new file mode 100644
index 00000000..050e4657
--- /dev/null
+++ b/.github/actions/prepare-gpu/action.yml
@@ -0,0 +1,29 @@
+name: prepare-gpu
+description: 'Copy over GPU binaries to be used in simulation time to sims directory'
+
+inputs:
+  group-key:
+    description: group key
+    required: true
+  prepare-script:
+    description: prepare script to use
+    required: false
+    default: "copy-gpu-binaries.sh"
+  toolchain:
+    description: toolchain to use
+    required: false
+    default: "riscv-tools"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Init submodules to ensure stimuli is located
+      run: |
+        conda activate ${{ env.conda-env-name-no-time }}-$(date --date "${{ env.workflow-timestamp }}" +%Y%m%d)-${{ inputs.toolchain }}
+        ./scripts/init-submodules-no-riscv-tools.sh --force
+      shell: bash -leo pipefail {0}
+
+    - name: Copy binaries from rocket-gpu
+      run: |
+        ./.github/scripts/${{ inputs.prepare-script }}
+      shell: bash -leo pipefail {0}
diff --git a/.github/actions/prepare-rtl/action.yml b/.github/actions/prepare-rtl/action.yml
index 74a04037..b4abde09 100644
--- a/.github/actions/prepare-rtl/action.yml
+++ b/.github/actions/prepare-rtl/action.yml
@@ -26,6 +26,7 @@ runs:
       with:
         path: |
           sims/verilator
+          sims/vcs
           sims/firesim/sim
           generators/gemmini/software/gemmini-rocc-tests
         key: ${{ inputs.group-key }}-${{ github.sha }}
diff --git a/.github/scripts/copy-gpu-binaries.sh b/.github/scripts/copy-gpu-binaries.sh
new file mode 100755
index 00000000..a2932bd1
--- /dev/null
+++ b/.github/scripts/copy-gpu-binaries.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# copy gpu binaries from stimuli folder
+# usage:
+#   copy-gpu-binaries.sh
+
+# turn echo on and error on earliest command
+set -ex
+
+# get shared variables
+SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
+source $SCRIPT_DIR/defaults.sh
+
+cd $REMOTE_CHIPYARD_DIR
+
+cp -av $REMOTE_CHIPYARD_DIR/generators/rocket-gpu/stimuli/vecadd.bin.elf \
+       $REMOTE_CHIPYARD_DIR/sims/
+cp -av $REMOTE_CHIPYARD_DIR/generators/rocket-gpu/stimuli/vecadd.args.size64.romAddr.bin \
+       $REMOTE_CHIPYARD_DIR/sims/args.bin
+cp -av $REMOTE_CHIPYARD_DIR/generators/rocket-gpu/stimuli/vecadd.input.a.size64.bin \
+       $REMOTE_CHIPYARD_DIR/sims/op_a.bin
+cp -av $REMOTE_CHIPYARD_DIR/generators/rocket-gpu/stimuli/vecadd.input.b.size64.bin \
+       $REMOTE_CHIPYARD_DIR/sims/op_b.bin
diff --git a/.github/scripts/defaults.sh b/.github/scripts/defaults.sh
index 1028960e..a5f7f62e 100755
--- a/.github/scripts/defaults.sh
+++ b/.github/scripts/defaults.sh
@@ -32,6 +32,7 @@ grouping["group-cores"]="chipyard-cva6 chipyard-ibex chipyard-rocket chipyard-he
 grouping["group-peripherals"]="chipyard-dmirocket chipyard-dmiboom chipyard-spiflashwrite chipyard-mmios chipyard-nocores chipyard-manyperipherals chipyard-chiplike chipyard-tethered"
 grouping["group-accels"]="chipyard-mempress chipyard-sha3 chipyard-hwacha chipyard-gemmini chipyard-manymmioaccels chipyard-nvdla"
 grouping["group-constellation"]="chipyard-constellation"
+grouping["group-gpu"]="chipyard-vortex chipyard-coalescer coalescer"
 grouping["group-tracegen"]="tracegen tracegen-boom"
 grouping["group-other"]="icenet testchipip constellation rocketchip-amba rocketchip-tlsimple rocketchip-tlwidth rocketchip-tlxbar"
 grouping["group-fpga"]="arty vcu118 vc707 arty100t"
@@ -67,8 +68,11 @@ mapping["chipyard-shuttle"]=" CONFIG=ShuttleConfig"
 mapping["chipyard-multiclock-rocket"]=" CONFIG=MulticlockRocketConfig"
 mapping["chipyard-nomem-scratchpad"]=" CONFIG=MMIOScratchpadOnlyRocketConfig"
 mapping["chipyard-constellation"]=" CONFIG=SharedNoCConfig"
+mapping["chipyard-vortex"]=" CONFIG=RadianceROMConfig"
+mapping["chipyard-coalescer"]=" CONFIG=MemtraceCoreConfig"
 
 mapping["constellation"]=" SUB_PROJECT=constellation"
+mapping["coalescer"]=" SUB_PROJECT=coalescer"
 mapping["firesim"]="SCALA_TEST=firesim.firesim.RocketNICF1Tests"
 mapping["fireboom"]="SCALA_TEST=firesim.firesim.BoomF1Tests"
 mapping["icenet"]="SUB_PROJECT=icenet"
diff --git a/.github/scripts/run-tests.sh b/.github/scripts/run-tests.sh
index ce272737..378dae0c 100755
--- a/.github/scripts/run-tests.sh
+++ b/.github/scripts/run-tests.sh
@@ -137,6 +137,12 @@ case $1 in
     chipyard-constellation)
         run_binary LOADMEM=1 BINARY=$RISCV/riscv64-unknown-elf/share/riscv-tests/benchmarks/dhrystone.riscv
         ;;
+    chipyard-vortex)
+        run_binary BINARY=$LOCAL_CHIPYARD_DIR/generators/rocket-gpu/stimuli/vecadd.bin.elf
+        ;;
+    chipyard-coalescer)
+        run_binary BINARY=none EXTRA_SIM_FLAGS="+memtracefile=$LOCAL_CHIPYARD_DIR/generators/rocket-gpu/tracefiles/vecadd.core1.thread4.trace"
+        ;;
     icenet)
         run_binary BINARY=none
         ;;
@@ -146,6 +152,9 @@ case $1 in
     constellation)
         run_binary BINARY=none
         ;;
+    coalescer)
+        run_binary BINARY=none EXTRA_SIM_FLAGS="+memtracefile=$LOCAL_CHIPYARD_DIR/generators/rocket-gpu/tracefiles/vecadd.core1.thread4.trace"
+        ;;
     rocketchip-amba)
         run_binary BINARY=none
         ;;
diff --git a/.github/workflows/chipyard-run-tests-gpu.yml b/.github/workflows/chipyard-run-tests-gpu.yml
index d0983855..55970939 100644
--- a/.github/workflows/chipyard-run-tests-gpu.yml
+++ b/.github/workflows/chipyard-run-tests-gpu.yml
@@ -16,6 +16,7 @@ env:
   conda-env-name-no-time: cy-${{ github.run_id }}
   workflow-timestamp: ${{ github.event.pull_request.updated_at }}
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  SSH_AUTH_SOCK: /tmp/ssh_agent_github.sock
 
 jobs:
   cancel-prior-workflows:
@@ -72,6 +73,12 @@ jobs:
             rm -rf ${{ github.workspace }}/* || true
             rm -rf ${{ github.workspace }}/.* || true
             ls -alh .
+      # note: the agent spun up here will be made available throughout the
+      # workflow via env.SSH_AUTH_SOCK.
+      - name: Run ssh-agent
+        run: |
+            eval `ssh-agent -a $SSH_AUTH_SOCK -s`
+            echo "${{ secrets.PRIVATE_SSH_KEY }}" | ssh-add -
       - name: Checkout
         uses: actions/checkout@v3
       - name: Git workaround
@@ -94,30 +101,30 @@ jobs:
 
   ##########################################################################
 
-  prepare-chipyard-cores:
-    name: prepare-chipyard-cores
-    needs: setup-complete
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Build RTL on self-hosted
-        uses: ./.github/actions/prepare-rtl
-        with:
-          group-key: "group-cores"
+  # prepare-chipyard-cores:
+  #   name: prepare-chipyard-cores
+  #   needs: setup-complete
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Build RTL on self-hosted
+  #       uses: ./.github/actions/prepare-rtl
+  #       with:
+  #         group-key: "group-cores"
 
-  prepare-chipyard-accels:
-    name: prepare-chipyard-accels
+  prepare-chipyard-gpu:
+    name: prepare-chipyard-gpu
     needs: setup-complete
     runs-on: self-hosted
     steps:
@@ -133,89 +140,137 @@ jobs:
         uses: ./.github/actions/git-workaround
       - name: Create conda env
         uses: ./.github/actions/create-conda-env
+      - name: Prepare GPU binaries
+        uses: ./.github/actions/prepare-gpu
       - name: Build RTL on self-hosted
         uses: ./.github/actions/prepare-rtl
         with:
-          group-key: "group-accels"
+          group-key: "group-gpu"
 
-  prepare-chipyard-tracegen:
-    name: prepare-chipyard-tracegen
-    needs: setup-complete
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Build RTL on self-hosted
-        uses: ./.github/actions/prepare-rtl
-        with:
-          group-key: "group-tracegen"
+  # prepare-chipyard-accels:
+  #   name: prepare-chipyard-accels
+  #   needs: setup-complete
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Build RTL on self-hosted
+  #       uses: ./.github/actions/prepare-rtl
+  #       with:
+  #         group-key: "group-accels"
 
-  prepare-chipyard-other:
-    name: prepare-chipyard-other
-    needs: setup-complete
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Build RTL on self-hosted
-        uses: ./.github/actions/prepare-rtl
-        with:
-          group-key: "group-other"
+  # prepare-chipyard-other:
+  #   name: prepare-chipyard-other
+  #   needs: setup-complete
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Build RTL on self-hosted
+  #       uses: ./.github/actions/prepare-rtl
+  #       with:
+  #         group-key: "group-other"
 
   ##########################################################################
 
-  chipyard-spike-gemmini-run-tests:
-    name: chipyard-spike-gemmini-run-tests
-    needs: prepare-chipyard-accels # technically doesn't depend on RTL but should be after the build.sh for Gemmini
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Build Gemmini FireMarshal
-        run: |
-          conda activate ${{ env.conda-env-name-no-time }}-$(date --date "${{ env.workflow-timestamp }}" +%Y%m%d)-riscv-tools
-          cd ${{ github.workspace }} && ./scripts/init-submodules-no-riscv-tools.sh --force
-          cd ${{ github.workspace }} && source ./scripts/fix-open-files.sh
-          git submodule update --init software/firemarshal && cd software/firemarshal && ./init-submodules.sh
-          cd ${{ github.workspace }}/generators/gemmini/software && ${{ github.workspace }}/software/firemarshal/marshal -v -d build gemmini-smoke.json
-      - name: Running Gemmini FireMarshal smoke test
-        run: |
-          conda activate ${{ env.conda-env-name-no-time }}-$(date --date "${{ env.workflow-timestamp }}" +%Y%m%d)-riscv-tools
-          cd ${{ github.workspace }}/generators/gemmini/software && ${{ github.workspace }}/software/firemarshal/marshal -v -d launch -s gemmini-smoke.json
+  # chipyard-spike-gemmini-run-tests:
+  #   name: chipyard-spike-gemmini-run-tests
+  #   needs: prepare-chipyard-accels # technically doesn't depend on RTL but should be after the build.sh for Gemmini
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Build Gemmini FireMarshal
+  #       run: |
+  #         conda activate ${{ env.conda-env-name-no-time }}-$(date --date "${{ env.workflow-timestamp }}" +%Y%m%d)-riscv-tools
+  #         cd ${{ github.workspace }} && ./scripts/init-submodules-no-riscv-tools.sh --force
+  #         cd ${{ github.workspace }} && source ./scripts/fix-open-files.sh
+  #         git submodule update --init software/firemarshal && cd software/firemarshal && ./init-submodules.sh
+  #         cd ${{ github.workspace }}/generators/gemmini/software && ${{ github.workspace }}/software/firemarshal/marshal -v -d build gemmini-smoke.json
+  #     - name: Running Gemmini FireMarshal smoke test
+  #       run: |
+  #         conda activate ${{ env.conda-env-name-no-time }}-$(date --date "${{ env.workflow-timestamp }}" +%Y%m%d)-riscv-tools
+  #         cd ${{ github.workspace }}/generators/gemmini/software && ${{ github.workspace }}/software/firemarshal/marshal -v -d launch -s gemmini-smoke.json
 
-  chipyard-rocket-run-tests:
-    name: chipyard-rocket-run-tests
-    needs: prepare-chipyard-cores
+  # chipyard-rocket-run-tests:
+  #   name: chipyard-rocket-run-tests
+  #   needs: prepare-chipyard-cores
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Run tests
+  #       uses: ./.github/actions/run-tests
+  #       with:
+  #         group-key: "group-cores"
+  #         project-key: "chipyard-rocket"
+
+  # chipyard-boom-run-tests:
+  #   name: chipyard-boom-run-tests
+  #   needs: prepare-chipyard-cores
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Run tests
+  #       uses: ./.github/actions/run-tests
+  #       with:
+  #         group-key: "group-cores"
+  #         project-key: "chipyard-boom"
+
+  chipyard-vortex-run-tests:
+    name: chipyard-vortex-run-tests
+    needs: prepare-chipyard-gpu
     runs-on: self-hosted
     steps:
       - name: Delete old checkout
@@ -233,12 +288,12 @@ jobs:
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
-          group-key: "group-cores"
-          project-key: "chipyard-rocket"
+          group-key: "group-gpu"
+          project-key: "chipyard-vortex"
 
-  chipyard-prefetchers-run-tests:
-    name: chipyard-prefetchers-run-tests
-    needs: prepare-chipyard-cores
+  chipyard-coalescer-run-tests:
+    name: chipyard-coalescer-run-tests
+    needs: prepare-chipyard-gpu
     runs-on: self-hosted
     steps:
       - name: Delete old checkout
@@ -256,12 +311,12 @@ jobs:
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
-          group-key: "group-cores"
-          project-key: "chipyard-prefetchers"
+          group-key: "group-gpu"
+          project-key: "chipyard-coalescer"
 
-  chipyard-hetero-run-tests:
-    name: chipyard-hetero-run-tests
-    needs: prepare-chipyard-cores
+  coalescer-run-tests:
+    name: coalescer-run-tests
+    needs: prepare-chipyard-gpu
     runs-on: self-hosted
     steps:
       - name: Delete old checkout
@@ -279,215 +334,54 @@ jobs:
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
-          group-key: "group-cores"
-          project-key: "chipyard-hetero"
+          group-key: "group-gpu"
+          project-key: "coalescer"
 
-  chipyard-boom-run-tests:
-    name: chipyard-boom-run-tests
-    needs: prepare-chipyard-cores
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-cores"
-          project-key: "chipyard-boom"
+  # chipyard-spike-run-tests:
+  #   name: chipyard-spike-run-tests
+  #   needs: prepare-chipyard-cores
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Run tests
+  #       uses: ./.github/actions/run-tests
+  #       with:
+  #         group-key: "group-cores"
+  #         project-key: "chipyard-spike"
 
-  chipyard-shuttle-run-tests:
-    name: chipyard-shuttle-run-tests
-    needs: prepare-chipyard-cores
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-cores"
-          project-key: "chipyard-shuttle"
-
-  chipyard-cva6-run-tests:
-    name: chipyard-cva6-run-tests
-    needs: prepare-chipyard-cores
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-cores"
-          project-key: "chipyard-cva6"
-
-  chipyard-ibex-run-tests:
-    name: chipyard-ibex-run-tests
-    needs: prepare-chipyard-cores
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-cores"
-          project-key: "chipyard-ibex"
-
-  chipyard-sodor-run-tests:
-    name: chipyard-sodor-run-tests
-    needs: prepare-chipyard-cores
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-cores"
-          project-key: "chipyard-sodor"
-
-  chipyard-spike-run-tests:
-    name: chipyard-spike-run-tests
-    needs: prepare-chipyard-cores
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-cores"
-          project-key: "chipyard-spike"
-
-  chipyard-sha3-run-tests:
-    name: chipyard-sha3-run-tests
-    needs: prepare-chipyard-accels
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-accels"
-          project-key: "chipyard-sha3"
-
-  chipyard-gemmini-run-tests:
-    name: chipyard-gemmini-run-tests
-    needs: prepare-chipyard-accels
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-accels"
-          project-key: "chipyard-gemmini"
-
-  chipyard-manymmioaccels-run-tests:
-    name: chipyard-manymmioaccels-run-tests
-    needs: prepare-chipyard-accels
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-accels"
-          project-key: "chipyard-manymmioaccels"
+  # chipyard-gemmini-run-tests:
+  #   name: chipyard-gemmini-run-tests
+  #   needs: prepare-chipyard-accels
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Run tests
+  #       uses: ./.github/actions/run-tests
+  #       with:
+  #         group-key: "group-accels"
+  #         project-key: "chipyard-gemmini"
 
   # chipyard-nvdla-run-tests:
   #   name: chipyard-nvdla-run-tests
@@ -512,160 +406,67 @@ jobs:
   #         group-key: "group-accels"
   #         project-key: "chipyard-nvdla"
 
-  chipyard-mempress-run-tests:
-    name: chipyard-mempress-run-tests
-    needs: prepare-chipyard-accels
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-accels"
-          project-key: "chipyard-mempress"
+  # testchipip-run-tests:
+  #   name: testchipip-run-tests
+  #   needs: prepare-chipyard-other
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Run tests
+  #       uses: ./.github/actions/run-tests
+  #       with:
+  #         group-key: "group-other"
+  #         project-key: "testchipip"
 
-
-  tracegen-boom-run-tests:
-    name: tracegen-boom-run-tests
-    needs: prepare-chipyard-tracegen
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-tracegen"
-          project-key: "tracegen-boom"
-
-  tracegen-run-tests:
-    name: tracegen-run-tests
-    needs: prepare-chipyard-tracegen
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-tracegen"
-          project-key: "tracegen"
-
-  icenet-run-tests:
-    name: icenet-run-tests
-    needs: prepare-chipyard-other
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-other"
-          project-key: "icenet"
-
-  testchipip-run-tests:
-    name: testchipip-run-tests
-    needs: prepare-chipyard-other
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-other"
-          project-key: "testchipip"
-
-  rocketchip-run-tests:
-    name: rocketchip-run-tests
-    needs: prepare-chipyard-other
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run amba tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-other"
-          project-key: "rocketchip-amba"
-      # Below tests segfault with verilator, work fine in VCS
-      # - name: Run tlsimple tests
-      #   uses: ./.github/actions/run-tests
-      #   with:
-      #     group-key: "group-other"
-      #     project-key: "rocketchip-tlsimple"
-      # - name: Run tlwidth tests
-      #   uses: ./.github/actions/run-tests
-      #   with:
-      #     group-key: "group-other"
-      #     project-key: "rocketchip-tlwidth"
-      # - name: Run tlxbar tests
-      #   uses: ./.github/actions/run-tests
-      #   with:
-      #     group-key: "group-other"
-      #     project-key: "rocketchip-tlxbar"
+  # rocketchip-run-tests:
+  #   name: rocketchip-run-tests
+  #   needs: prepare-chipyard-other
+  #   runs-on: self-hosted
+  #   steps:
+  #     - name: Delete old checkout
+  #       run: |
+  #           ls -alh .
+  #           rm -rf ${{ github.workspace }}/* || true
+  #           rm -rf ${{ github.workspace }}/.* || true
+  #           ls -alh .
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Git workaround
+  #       uses: ./.github/actions/git-workaround
+  #     - name: Create conda env
+  #       uses: ./.github/actions/create-conda-env
+  #     - name: Run amba tests
+  #       uses: ./.github/actions/run-tests
+  #       with:
+  #         group-key: "group-other"
+  #         project-key: "rocketchip-amba"
+  #     # Below tests segfault with verilator, work fine in VCS
+  #     # - name: Run tlsimple tests
+  #     #   uses: ./.github/actions/run-tests
+  #     #   with:
+  #     #     group-key: "group-other"
+  #     #     project-key: "rocketchip-tlsimple"
+  #     # - name: Run tlwidth tests
+  #     #   uses: ./.github/actions/run-tests
+  #     #   with:
+  #     #     group-key: "group-other"
+  #     #     project-key: "rocketchip-tlwidth"
+  #     # - name: Run tlxbar tests
+  #     #   uses: ./.github/actions/run-tests
+  #     #   with:
+  #     #     group-key: "group-other"
+  #     #     project-key: "rocketchip-tlxbar"
 
   # Sentinel job to simplify how we specify which checks need to pass in branch
   # protection and in Mergify
@@ -673,23 +474,15 @@ jobs:
   # When adding new top level jobs, please add them to `needs` below
   all_tests_passed:
     name: "all tests passed"
-    needs: [chipyard-rocket-run-tests,
-            chipyard-hetero-run-tests,
-            chipyard-boom-run-tests,
-            chipyard-shuttle-run-tests,
-            chipyard-cva6-run-tests,
-            chipyard-ibex-run-tests,
-            chipyard-sodor-run-tests,
-            chipyard-sha3-run-tests,
-            chipyard-gemmini-run-tests,
-            chipyard-manymmioaccels-run-tests, # chipyard-nvdla-run-tests,
-            chipyard-prefetchers-run-tests,
-            chipyard-mempress-run-tests,
-            tracegen-boom-run-tests,
-            tracegen-run-tests,
-            icenet-run-tests,
-            testchipip-run-tests,
-            rocketchip-run-tests,
+    needs: [
+            # chipyard-rocket-run-tests,
+            # chipyard-boom-run-tests,
+            chipyard-vortex-run-tests,
+            chipyard-coalescer-run-tests,
+            coalescer-run-tests,
+            # chipyard-gemmini-run-tests,
+            # testchipip-run-tests,
+            # rocketchip-run-tests,
             ]
     runs-on: self-hosted
     steps:
diff --git a/.gitmodules b/.gitmodules
index 27b4e831..4728b363 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -133,3 +133,6 @@
 [submodule "generators/hardfloat"]
 	path = generators/hardfloat
 	url = https://github.com/ucb-bar/berkeley-hardfloat.git
+[submodule "generators/rocket-gpu"]
+	path = generators/rocket-gpu
+	url = git@github.com:hansungk/rocket-gpu.git
diff --git a/generators/chipyard/src/main/scala/config/RocketConfigs.scala b/generators/chipyard/src/main/scala/config/RocketConfigs.scala
index 0ead0a9f..58672483 100644
--- a/generators/chipyard/src/main/scala/config/RocketConfigs.scala
+++ b/generators/chipyard/src/main/scala/config/RocketConfigs.scala
@@ -36,13 +36,13 @@ class WithRadBootROM(address: BigInt = 0x10000, size: Int = 0x10000, hang: BigIn
 })
 
 class RadianceROMConfig extends Config(
-  new freechips.rocketchip.subsystem.WithRadianceCores() ++
+  new freechips.rocketchip.subsystem.WithRadianceCores(1, useVxCache = false) ++
     new freechips.rocketchip.subsystem.WithCoherentBusTopology ++
     new WithExtMemSize(BigInt("80000000", 16)) ++
     new WithRadBootROM() ++
-    new WithRadROMs(0x7FFF0000L, 0x10000, "sims/vcs/args.bin") ++
-    new WithRadROMs(0x20000L, 0x8000, "sims/vcs/op_a.bin") ++
-    new WithRadROMs(0x28000L, 0x8000, "sims/vcs/op_b.bin") ++
+    new WithRadROMs(0x7FFF0000L, 0x10000, "sims/args.bin") ++
+    new WithRadROMs(0x20000L, 0x8000, "sims/op_a.bin") ++
+    new WithRadROMs(0x28000L, 0x8000, "sims/op_b.bin") ++
     new AbstractConfig)
 
 class RadianceConfig extends Config(
@@ -61,9 +61,9 @@ class RadianceConfigVortexCache extends Config(
   // new testchipip.WithMbusScratchpad(banks=2) ++
   new WithExtMemSize(BigInt("80000000", 16)) ++
   new WithRadBootROM() ++
-  new WithRadROMs(0x7FFF0000L, 0x10000, "sims/vcs/args.bin") ++
-  new WithRadROMs(0x20000L, 0x8000, "sims/vcs/op_a.bin") ++
-  new WithRadROMs(0x28000L, 0x8000, "sims/vcs/op_b.bin") ++
+  new WithRadROMs(0x7FFF0000L, 0x10000, "sims/args.bin") ++
+  new WithRadROMs(0x20000L, 0x8000, "sims/op_a.bin") ++
+  new WithRadROMs(0x28000L, 0x8000, "sims/op_b.bin") ++
   new AbstractConfig
 )
 
diff --git a/generators/rocket-chip b/generators/rocket-chip
index fc7c2d05..e02ba347 160000
--- a/generators/rocket-chip
+++ b/generators/rocket-chip
@@ -1 +1 @@
-Subproject commit fc7c2d05cad00374a58b08dbc996ee6f54c3fea7
+Subproject commit e02ba3476b230ebb7e8dcb4ff0ce5832ef6a9f39
diff --git a/generators/rocket-gpu b/generators/rocket-gpu
new file mode 160000
index 00000000..1b348651
--- /dev/null
+++ b/generators/rocket-gpu
@@ -0,0 +1 @@
+Subproject commit 1b3486512523d6030dc7a3ef64bc880c53061876
diff --git a/toolchains/riscv-tools/riscv-isa-sim b/toolchains/riscv-tools/riscv-isa-sim
index 3e87fa0d..5a499ef7 160000
--- a/toolchains/riscv-tools/riscv-isa-sim
+++ b/toolchains/riscv-tools/riscv-isa-sim
@@ -1 +1 @@
-Subproject commit 3e87fa0d0a3cd11d435d770d6028989df60f6c27
+Subproject commit 5a499ef718bba2fc323e9771ebd7545c66825ff6