@false
 .PHONY: rpm
 
+artifacts-tar:: $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) $(OTHER_PROGRAMS) \
+               GIT-BUILD-OPTIONS $(TEST_PROGRAMS) $(test_bindir_programs) \
+               $(NO_INSTALL) $(MOFILES)
+       $(QUIET_SUBDIR0)templates $(QUIET_SUBDIR1) \
+               SHELL_PATH='$(SHELL_PATH_SQ)' PERL_PATH='$(PERL_PATH_SQ)'
+       test -n "$(ARTIFACTS_DIRECTORY)"
+       mkdir -p "$(ARTIFACTS_DIRECTORY)"
+       $(TAR) czf "$(ARTIFACTS_DIRECTORY)/artifacts.tar.gz" $^ templates/blt/
+.PHONY: artifacts-tar
+
 htmldocs = git-htmldocs-$(GIT_VERSION)
 manpages = git-manpages-$(GIT_VERSION)
 .PHONY: dist-doc distclean
 
   fetchDepth: 1
 
 jobs:
-- job: windows
-  displayName: Windows
+- job: windows_build
+  displayName: Windows Build
   condition: succeeded()
   pool: Hosted
   timeoutInMinutes: 240
     displayName: 'Download git-sdk-64-minimal'
   - powershell: |
       & git-sdk-64-minimal\usr\bin\bash.exe -lc @"
-        export DEVELOPER=1
-        export NO_PERL=1
-        export NO_SVN_TESTS=1
-        export GIT_TEST_SKIP_REBASE_P=1
+        ci/make-test-artifacts.sh artifacts
+      "@
+      if (!$?) { exit(1) }
+    displayName: Build
+    env:
+      HOME: $(Build.SourcesDirectory)
+      MSYSTEM: MINGW64
+      DEVELOPER: 1
+      NO_PERL: 1
+  - task: PublishPipelineArtifact@0
+    displayName: 'Publish Pipeline Artifact: test artifacts'
+    inputs:
+      artifactName: 'windows-artifacts'
+      targetPath: '$(Build.SourcesDirectory)\artifacts'
+  - task: PublishPipelineArtifact@0
+    displayName: 'Publish Pipeline Artifact: git-sdk-64-minimal'
+    inputs:
+      artifactName: 'git-sdk-64-minimal'
+      targetPath: '$(Build.SourcesDirectory)\git-sdk-64-minimal'
+  - powershell: |
+      if ("$GITFILESHAREPWD" -ne "" -and "$GITFILESHAREPWD" -ne "`$`(gitfileshare.pwd)") {
+        cmd /c rmdir "$(Build.SourcesDirectory)\test-cache"
+      }
+    displayName: 'Unmount test-cache'
+    condition: true
+    env:
+      GITFILESHAREPWD: $(gitfileshare.pwd)
+
+- job: windows_test
+  displayName: Windows Test
+  dependsOn: windows_build
+  condition: succeeded()
+  pool: Hosted
+  timeoutInMinutes: 240
+  strategy:
+    parallel: 10
+  steps:
+  - powershell: |
+      if ("$GITFILESHAREPWD" -ne "" -and "$GITFILESHAREPWD" -ne "`$`(gitfileshare.pwd)") {
+        net use s: \\gitfileshare.file.core.windows.net\test-cache "$GITFILESHAREPWD" /user:AZURE\gitfileshare /persistent:no
+        cmd /c mklink /d "$(Build.SourcesDirectory)\test-cache" S:\
+      }
+    displayName: 'Mount test-cache'
+    env:
+      GITFILESHAREPWD: $(gitfileshare.pwd)
+  - task: DownloadPipelineArtifact@0
+    displayName: 'Download Pipeline Artifact: test artifacts'
+    inputs:
+      artifactName: 'windows-artifacts'
+      targetPath: '$(Build.SourcesDirectory)'
+  - task: DownloadPipelineArtifact@0
+    displayName: 'Download Pipeline Artifact: git-sdk-64-minimal'
+    inputs:
+      artifactName: 'git-sdk-64-minimal'
+      targetPath: '$(Build.SourcesDirectory)\git-sdk-64-minimal'
+  - powershell: |
+      & git-sdk-64-minimal\usr\bin\bash.exe -lc @"
+        test -f artifacts.tar.gz || {
+          echo No test artifacts found\; skipping >&2
+          exit 0
+        }
+        tar xf artifacts.tar.gz || exit 1
+
+        # Let Git ignore the SDK and the test-cache
+        printf '%s\n' /git-sdk-64-minimal/ /test-cache/ >>.git/info/exclude
 
-        ci/run-build-and-tests.sh || {
+        ci/run-test-slice.sh `$SYSTEM_JOBPOSITIONINPHASE `$SYSTEM_TOTALJOBSINPHASE || {
           ci/print-test-failures.sh
           exit 1
         }
       "@
       if (!$?) { exit(1) }
-    displayName: 'Build & Test'
+    displayName: 'Test (parallel)'
     env:
       HOME: $(Build.SourcesDirectory)
       MSYSTEM: MINGW64
+      NO_SVN_TESTS: 1
+      GIT_TEST_SKIP_REBASE_P: 1
   - powershell: |
       if ("$GITFILESHAREPWD" -ne "" -and "$GITFILESHAREPWD" -ne "`$`(gitfileshare.pwd)") {
         cmd /c rmdir "$(Build.SourcesDirectory)\test-cache"
 
--- /dev/null
+#!/bin/sh
+#
+# Build Git and store artifacts for testing
+#
+
+mkdir -p "$1" # in case ci/lib.sh decides to quit early
+
+. ${0%/*}/lib.sh
+
+make artifacts-tar ARTIFACTS_DIRECTORY="$1"
+
+check_unignored_build_artifacts
 
--- /dev/null
+#!/bin/sh
+#
+# Test Git in parallel
+#
+
+. ${0%/*}/lib.sh
+
+case "$CI_OS_NAME" in
+windows*) cmd //c mklink //j t\\.prove "$(cygpath -aw "$cache_dir/.prove")";;
+*) ln -s "$cache_dir/.prove" t/.prove;;
+esac
+
+make --quiet -C t T="$(cd t &&
+       ./helper/test-tool path-utils slice-tests "$1" "$2" t[0-9]*.sh |
+       tr '\n' ' ')"
+
+check_unignored_build_artifacts
 
        return is_hfs_dotgitmodules(path) || is_ntfs_dotgitmodules(path);
 }
 
+static int cmp_by_st_size(const void *a, const void *b)
+{
+       intptr_t x = (intptr_t)((struct string_list_item *)a)->util;
+       intptr_t y = (intptr_t)((struct string_list_item *)b)->util;
+
+       return x > y ? -1 : (x < y ? +1 : 0);
+}
+
 int cmd__path_utils(int argc, const char **argv)
 {
        if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
                return 0;
        }
 
+       if (argc > 5 && !strcmp(argv[1], "slice-tests")) {
+               int res = 0;
+               long offset, stride, i;
+               struct string_list list = STRING_LIST_INIT_NODUP;
+               struct stat st;
+
+               offset = strtol(argv[2], NULL, 10);
+               stride = strtol(argv[3], NULL, 10);
+               if (stride < 1)
+                       stride = 1;
+               for (i = 4; i < argc; i++)
+                       if (stat(argv[i], &st))
+                               res = error_errno("Cannot stat '%s'", argv[i]);
+                       else
+                               string_list_append(&list, argv[i])->util =
+                                       (void *)(intptr_t)st.st_size;
+               QSORT(list.items, list.nr, cmp_by_st_size);
+               for (i = offset; i < list.nr; i+= stride)
+                       printf("%s\n", list.items[i].string);
+
+               return !!res;
+       }
+
        fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
                argv[1] ? argv[1] : "(there was none)");
        return 1;