no flush if slice counter is 0 #653

	name: 🐧 In Situ Vis

	on: [push, pull_request]

	concurrency:
	group: ${{ github.ref }}-${{ github.head_ref }}-insituvis
	cancel-in-progress: true

	jobs:
	sensei:
	name: SENSEI
	runs-on: ubuntu-20.04
	if: github.event.pull_request.draft == false
	env:
	CXX: clang++
	CC: clang
	CXXFLAGS: "-Werror -Wshadow -Woverloaded-virtual -Wunreachable-code -Wno-error=pass-failed"
	CMAKE_GENERATOR: Ninja
	CMAKE_PREFIX_PATH: /root/install/sensei/v4.0.0/lib64/cmake
	container:
	image: senseiinsitu/ci:fedora35-amrex-20220613
	steps:
	- uses: actions/checkout@v3
	- name: Configure
	run: \|
	cmake -S . -B build \
	-DWarpX_SENSEI=ON \
	-DWarpX_COMPUTE=NOACC
	- name: Build
	run: \|
	cmake --build build -j 2

	ascent:
	name: Ascent
	runs-on: ubuntu-20.04
	if: github.event.pull_request.draft == false
	env:
	CXX: g++
	CC: gcc
	CMAKE_PREFIX_PATH: /ascent/install/lib/cmake/
	container:
	image: alpinedav/ascent:0.9.1
	steps:
	- uses: actions/checkout@v3
	- name: Configure
	run: \|
	. /ascent_docker_setup_env.sh
	cmake -S . -B build \
	-DWarpX_ASCENT=ON \
	-DWarpX_COMPUTE=NOACC
	- name: Build
	run: \|
	. /ascent_docker_setup_env.sh
	cmake --build build -j 2
	- name: Test
	run: \|
	cp Examples/Physics_applications/laser_acceleration/inputs_3d .
	cp Examples/Physics_applications/laser_acceleration/3d_ascent_actions.yaml ascent_actions.yaml
	mpiexec -n 2 ./build/bin/warpx.3d \
	inputs_3d \
	max_step = 40 \
	diag1.intervals = 30:40:10 \
	diag1.format = ascent
	- uses: actions/upload-artifact@v2
	with:
	name: ascent-test-artifacts
	path: \|
	*.png
	conduit_*
	if-no-files-found: error

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