Actual source code: ex11.cxx
1: static const char help[] = "Tests PetscDeviceContextMarkIntentFromID().\n\n";
3: #include "petscdevicetestcommon.h"
4: #include <petscviewer.h>
6: #include <petsc/private/cpp/type_traits.hpp>
7: #include <petsc/private/cpp/array.hpp>
9: #include <cstdarg> // std::va_list
10: #include <vector> // std:vector
11: #include <unordered_map> // std::take_a_wild_guess
12: #include <algorithm> // std::find
13: #include <iterator> // std::distance, std::next
15: struct Marker {
16: PetscMemoryAccessMode mode{};
18: PetscErrorCode operator()(PetscDeviceContext dctx, PetscContainer cont) const noexcept
19: {
20: const auto obj = reinterpret_cast<PetscObject>(cont);
21: PetscObjectId id = 0;
22: const char *name = nullptr;
24: PetscFunctionBegin;
25: PetscCall(PetscObjectGetId(obj, &id));
26: PetscCall(PetscObjectGetName(obj, &name));
27: PetscCall(PetscDeviceContextMarkIntentFromID(dctx, id, this->mode, name));
28: PetscFunctionReturn(PETSC_SUCCESS);
29: }
30: };
32: static constexpr auto mem_read = Marker{PETSC_MEMORY_ACCESS_READ};
33: static constexpr auto mem_write = Marker{PETSC_MEMORY_ACCESS_WRITE};
34: static constexpr auto mem_read_write = Marker{PETSC_MEMORY_ACCESS_READ_WRITE};
35: static constexpr auto mark_funcs = Petsc::util::make_array(mem_read, mem_write, mem_read_write);
37: static PetscErrorCode MarkedObjectMapView(PetscViewer vwr, std::size_t nkeys, const PetscObjectId *keys, const PetscMemoryAccessMode *modes, const std::size_t *ndeps, const PetscEvent **dependencies)
38: {
39: PetscFunctionBegin;
40: if (!vwr) PetscCall(PetscViewerASCIIGetStdout(PETSC_COMM_WORLD, &vwr));
41: PetscCall(PetscViewerFlush(vwr));
42: PetscCall(PetscViewerASCIIPushSynchronized(vwr));
43: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "Marked Object Map:\n"));
44: PetscCall(PetscViewerASCIIPushTab(vwr));
45: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "size: %zu\n", nkeys));
46: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "entries:\n"));
47: PetscCall(PetscViewerASCIIPushTab(vwr));
48: for (std::size_t i = 0; i < nkeys; ++i) {
49: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "id %" PetscInt64_FMT " -> {\n", keys[i]));
50: PetscCall(PetscViewerASCIIPushTab(vwr));
51: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "mode: %s\n", PetscMemoryAccessModeToString(modes[i])));
52: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "dependencies:\n"));
53: PetscCall(PetscViewerASCIIPushTab(vwr));
54: for (std::size_t j = 0; j < ndeps[i]; ++j) {
55: const auto event = dependencies[i][j];
57: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "event %zu {dtype: %s, dctx_id: %" PetscInt64_FMT ", dctx_state: %" PetscInt64_FMT ", data: %p, destroy: %p}\n", j, PetscDeviceTypes[event->dtype], event->dctx_id, event->dctx_state, event->data,
58: reinterpret_cast<void *>(event->destroy)));
59: }
60: PetscCall(PetscViewerASCIIPopTab(vwr));
61: PetscCall(PetscViewerASCIIPopTab(vwr));
62: PetscCall(PetscViewerASCIISynchronizedPrintf(vwr, "}\n"));
63: }
64: PetscCall(PetscViewerASCIIPopTab(vwr));
65: PetscCall(PetscViewerASCIIPopTab(vwr));
66: PetscCall(PetscViewerFlush(vwr));
67: PetscCall(PetscViewerASCIIPopSynchronized(vwr));
68: PetscFunctionReturn(PETSC_SUCCESS);
69: }
71: PETSC_ATTRIBUTE_FORMAT(10, 11) static PetscErrorCode CheckMarkedObjectMap_Private(PetscBool cond, const char cond_str[], MPI_Comm comm, PetscDeviceContext dctx, std::size_t nkeys, const PetscObjectId *keys, const PetscMemoryAccessMode *modes, const std::size_t *ndeps, const PetscEvent **dependencies, const char *format, ...)
72: {
73: PetscFunctionBegin;
74: if (PetscUnlikely(!cond)) {
75: std::array<char, 2048> buf;
76: std::va_list argp;
77: std::size_t len;
78: PetscViewer vwr;
80: PetscCallCXX(buf.fill(0));
81: va_start(argp, format);
82: PetscCall(PetscVSNPrintf(buf.data(), buf.size(), format, &len, argp));
83: va_end(argp);
84: PetscCall(PetscViewerASCIIGetStdout(comm, &vwr));
85: if (dctx) PetscCall(PetscDeviceContextView(dctx, vwr));
86: PetscCall(MarkedObjectMapView(vwr, nkeys, keys, modes, ndeps, dependencies));
87: SETERRQ(comm, PETSC_ERR_PLIB, "Condition '%s' failed, marked object map in corrupt state: %s", cond_str, buf.data());
88: }
89: PetscFunctionReturn(PETSC_SUCCESS);
90: }
91: #define CheckMarkedObjectMap(__cond__, ...) CheckMarkedObjectMap_Private((PetscBool)(!!(__cond__)), PetscStringize(__cond__), PETSC_COMM_SELF, dctx, nkeys, keys, modes, ndeps, const_cast<const PetscEvent **>(dependencies), __VA_ARGS__);
93: static PetscErrorCode TestAllCombinations(PetscDeviceContext dctx, const std::vector<PetscContainer> &cont)
94: {
95: std::vector<PetscObjectId> cont_ids;
96: PetscObjectId dctx_id;
97: PetscDeviceType dtype;
99: PetscFunctionBegin;
100: PetscCallCXX(cont_ids.reserve(cont.size()));
101: for (auto &&c : cont) {
102: PetscObjectId id;
104: PetscCall(PetscObjectGetId((PetscObject)c, &id));
105: PetscCallCXX(cont_ids.emplace_back(id));
106: }
107: PetscCall(PetscObjectGetId(PetscObjectCast(dctx), &dctx_id));
108: PetscCall(PetscDeviceContextGetDeviceType(dctx, &dtype));
109: for (auto &&func_i : mark_funcs) {
110: for (auto &&func_j : mark_funcs) {
111: for (auto it = cont.cbegin(), next = std::next(it); it != cont.cend(); ++it, ++next) {
112: std::vector<int> found_keys;
113: std::size_t nkeys;
114: PetscObjectId *keys;
115: PetscMemoryAccessMode *modes;
116: std::size_t *ndeps;
117: PetscEvent **dependencies;
119: if (next >= cont.cend()) next = cont.cbegin();
120: PetscCall(func_i(dctx, *it));
121: PetscCall(func_j(dctx, *next));
122: PetscCall(PetscGetMarkedObjectMap_Internal(&nkeys, &keys, &modes, &ndeps, &dependencies));
123: PetscCallCXX(found_keys.resize(nkeys));
124: {
125: // The underlying marked object map is *unordered*, and hence the order in which we
126: // get the keys is not necessarily the same as the order of operations. This is
127: // confounded by the fact that k and knext are not necessarily "linear", i.e. k could
128: // be 2 while knext is 0. So we need to map these back to linear space so we can loop
129: // over them.
130: const auto keys_end = keys + nkeys;
131: const auto num_expected_keys = std::min(cont.size(), static_cast<std::size_t>(2));
132: const auto check_applied_mode = [&](PetscContainer container, PetscMemoryAccessMode mode) {
133: std::ptrdiff_t key_idx = 0;
134: PetscObjectId actual_key;
136: PetscFunctionBegin;
137: PetscCall(PetscObjectGetId((PetscObject)container, &actual_key));
138: // search the list of keys from the map for the selected key
139: key_idx = std::distance(keys, std::find(keys, keys_end, actual_key));
140: PetscCheck(key_idx >= 0, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Key index %" PetscCount_FMT " < 0, this indicates keys_begin > keys_end?", key_idx);
141: found_keys[key_idx]++;
142: PetscCall(CheckMarkedObjectMap(key_idx < std::distance(keys, keys_end), "marked object map could not find expected key %" PetscInt64_FMT, actual_key));
143: // OK found it, now check the rest of the entries are as we expect them to be
144: PetscCall(CheckMarkedObjectMap(modes[key_idx] == mode, "unexpected mode %s, expected %s", PetscMemoryAccessModeToString(modes[key_idx]), PetscMemoryAccessModeToString(mode)));
145: PetscCall(CheckMarkedObjectMap(ndeps[key_idx] == 1, "unexpected number of dependencies %zu, expected 1", ndeps[key_idx]));
146: PetscCall(CheckMarkedObjectMap(dependencies[key_idx][0]->dtype == dtype, "unexpected device type on event: %s, expected %s", PetscDeviceTypes[dependencies[key_idx][0]->dtype], PetscDeviceTypes[dtype]));
147: PetscFunctionReturn(PETSC_SUCCESS);
148: };
150: // if it == next, then even though we might num_expected_keys keys we never "look
151: // for" the missing key
152: PetscCheck(cont.size() == 1 || it != next, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Test assumes different inputs, otherwise key check may fail (cont.size(): %zu, it != next: %s)", cont.size(), it != next ? "true" : "false");
153: PetscCall(CheckMarkedObjectMap(nkeys == num_expected_keys, "marked object map has %zu keys expected %zu", nkeys, num_expected_keys));
154: // check that each function properly applied its mode, it == next if cont.size() = 1,
155: // i.e. testing identity
156: if (it != next) PetscCall(check_applied_mode(*it, func_i.mode));
157: PetscCall(check_applied_mode(*next, func_j.mode));
158: }
159: // Check that the map contained only keys we were looking for. Any extra keys will have
160: // zero find count
161: for (auto it = found_keys.cbegin(); it != found_keys.cend(); ++it) PetscCall(CheckMarkedObjectMap(*it > 0, "Marked Object Map has extra object entry: id %" PetscInt64_FMT, keys[std::distance(found_keys.cbegin(), it)]));
163: PetscCall(PetscRestoreMarkedObjectMap_Internal(nkeys, &keys, &modes, &ndeps, &dependencies));
165: PetscCall(PetscDeviceContextSynchronize(dctx));
166: PetscCall(PetscGetMarkedObjectMap_Internal(&nkeys, &keys, &modes, &ndeps, &dependencies));
167: PetscCall(CheckMarkedObjectMap(nkeys == 0, "synchronizing device context did not empty dependency map, have %zu keys", nkeys));
168: PetscCall(PetscRestoreMarkedObjectMap_Internal(nkeys, &keys, &modes, &ndeps, &dependencies));
169: }
170: }
171: }
172: PetscCall(PetscDeviceContextSynchronize(dctx));
173: PetscFunctionReturn(PETSC_SUCCESS);
174: }
176: template <typename... T>
177: PETSC_NODISCARD static std::pair<PetscObjectId, std::pair<PetscMemoryAccessMode, std::vector<PetscDeviceContext>>> make_map_entry(PetscObjectId id, PetscMemoryAccessMode mode, T &&...dctxs)
178: {
179: return {
180: id, {mode, {std::forward<T>(dctxs)...}}
181: };
182: }
184: static PetscErrorCode CheckMapEqual(std::unordered_map<PetscObjectId, std::pair<PetscMemoryAccessMode, std::vector<PetscDeviceContext>>> expected_map)
185: {
186: std::size_t nkeys;
187: PetscObjectId *keys;
188: PetscMemoryAccessMode *modes;
189: std::size_t *ndeps;
190: PetscEvent **dependencies;
191: PetscDeviceContext dctx = nullptr;
193: PetscFunctionBegin;
194: PetscCall(PetscGetMarkedObjectMap_Internal(&nkeys, &keys, &modes, &ndeps, &dependencies));
195: {
196: const auto key_end = keys + nkeys;
197: auto mode_it = modes;
198: auto ndep_it = ndeps;
199: auto dep_it = dependencies;
201: for (auto key_it = keys; key_it != key_end; ++key_it, ++mode_it, ++ndep_it, ++dep_it) {
202: const auto found_it = expected_map.find(*key_it);
204: PetscCall(CheckMarkedObjectMap(found_it != expected_map.cend(), "marked object map did not contain key %" PetscInt64_FMT, *key_it));
205: {
206: // must do these here since found_it may be expected_map.cend()
207: const auto &expected_mode = found_it->second.first;
208: const auto &expected_dctxs = found_it->second.second;
209: auto sub_dep_it = *dep_it;
211: PetscCall(CheckMarkedObjectMap(expected_mode == *mode_it, "unexpected mode %s, expected %s", PetscMemoryAccessModeToString(expected_mode), PetscMemoryAccessModeToString(*mode_it)));
212: PetscCall(CheckMarkedObjectMap(expected_dctxs.size() == *ndep_it, "unexpected number of dependencies %zu, expected %zu", *ndep_it, expected_dctxs.size()));
213: // purposefully hide "dctx" with the loop variable, so we get more detailed output in
214: // the error message
215: for (auto &&dctx : expected_dctxs) {
216: const auto event = *sub_dep_it;
217: PetscDeviceType dtype;
218: PetscObjectId id;
220: PetscCall(PetscDeviceContextGetDeviceType(dctx, &dtype));
221: PetscCall(PetscObjectGetId(PetscObjectCast(dctx), &id));
222: PetscCall(CheckMarkedObjectMap(event->dtype == dtype, "unexpected device type on event: %s, expected %s", PetscDeviceTypes[event->dtype], PetscDeviceTypes[dtype]));
223: PetscCall(CheckMarkedObjectMap(event->dctx_id == id, "unexpected dctx id on event: %" PetscInt64_FMT ", expected %" PetscInt64_FMT, event->dctx_id, id));
224: ++sub_dep_it;
225: }
226: }
227: // remove the found iterator from the map, this ensure we either run out of map (which is
228: // caught by the first check in the loop), or we run out of keys to check, which is
229: // caught in the end of the loop
230: PetscCallCXX(expected_map.erase(found_it));
231: }
232: }
233: PetscCall(CheckMarkedObjectMap(expected_map.empty(), "Not all keys in marked object map accounted for!"));
234: PetscCall(PetscRestoreMarkedObjectMap_Internal(nkeys, &keys, &modes, &ndeps, &dependencies));
235: PetscFunctionReturn(PETSC_SUCCESS);
236: }
238: int main(int argc, char *argv[])
239: {
240: PetscContainer x, y, z;
241: PetscObjectId x_id, y_id, z_id;
242: PetscDeviceContext dctx_a, dctx_b, dctx_c;
243: auto container_view = PETSC_FALSE;
244: const auto create_container = [&](PetscContainer *c, const char name[], PetscObjectId *id) {
245: PetscFunctionBegin;
246: PetscCall(PetscContainerCreate(PETSC_COMM_WORLD, c));
247: PetscCall(PetscObjectSetName((PetscObject)*c, name));
248: PetscCall(PetscObjectGetId((PetscObject)*c, id));
249: if (container_view) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Container '%s' -> id %" PetscInt64_FMT "\n", name, *id));
250: PetscFunctionReturn(PETSC_SUCCESS);
251: };
252: const auto sync_all = [&] {
253: PetscFunctionBegin;
254: for (auto &&ctx : {dctx_a, dctx_b, dctx_c}) PetscCall(PetscDeviceContextSynchronize(ctx));
255: PetscFunctionReturn(PETSC_SUCCESS);
256: };
258: PetscFunctionBeginUser;
259: PetscCall(PetscInitialize(&argc, &argv, nullptr, help));
261: PetscOptionsBegin(PETSC_COMM_WORLD, nullptr, "Test Options", "Sys");
262: PetscCall(PetscOptionsBool("-container_view", "View container names and ID's", nullptr, container_view, &container_view, nullptr));
263: PetscOptionsEnd();
265: PetscCall(create_container(&x, "x", &x_id));
266: PetscCall(create_container(&y, "y", &y_id));
267: PetscCall(create_container(&z, "z", &z_id));
269: PetscCall(PetscDeviceContextCreate(&dctx_a));
270: PetscCall(PetscObjectSetName(PetscObjectCast(dctx_a), "dctx_a"));
271: PetscCall(PetscDeviceContextSetStreamType(dctx_a, PETSC_STREAM_DEFAULT));
272: PetscCall(PetscDeviceContextSetFromOptions(PETSC_COMM_WORLD, dctx_a));
273: PetscCall(PetscDeviceContextDuplicate(dctx_a, &dctx_b));
274: PetscCall(PetscObjectSetName(PetscObjectCast(dctx_b), "dctx_b"));
275: PetscCall(PetscDeviceContextDuplicate(dctx_a, &dctx_c));
276: PetscCall(PetscObjectSetName(PetscObjectCast(dctx_c), "dctx_c"));
277: PetscCall(PetscDeviceContextViewFromOptions(dctx_a, nullptr, "-dctx_a_view"));
278: PetscCall(PetscDeviceContextViewFromOptions(dctx_b, nullptr, "-dctx_b_view"));
279: PetscCall(PetscDeviceContextViewFromOptions(dctx_c, nullptr, "-dctx_c_view"));
281: // ensure they are all idle
282: PetscCall(sync_all());
283: PetscCall(CheckMapEqual({}));
285: // do the bulk combination tests, these test only the very basic combinations for simple
286: // correctness
287: PetscCall(TestAllCombinations(dctx_a, {x}));
288: PetscCall(TestAllCombinations(dctx_a, {x, y, z}));
290: // Now do some specific tests, these should test more complicated scenarios. First and
291: // foremost, ensure they are all idle, and that it does not change the map
292: PetscCall(sync_all());
293: // Map should be empty
294: PetscCall(CheckMapEqual({}));
296: // Syncing again shouldn't magically fill the map back up
297: PetscCall(sync_all());
298: PetscCall(CheckMapEqual({}));
300: const auto test_multiple_readers = [&](std::array<PetscDeviceContext, 2> readers, std::size_t sync_idx) {
301: // the reader which synchronizes
302: const auto sync_reader = readers[sync_idx];
303: // the reader that will remain in the map after sync_reader synchronizes
304: const auto remain_idx = sync_idx + 1 >= readers.size() ? 0 : sync_idx + 1;
305: const auto remain_reader = readers[remain_idx];
307: PetscFunctionBegin;
308: for (auto &&ctx : readers) PetscCall(mem_read(ctx, x));
309: for (auto &&ctx : readers) PetscCall(mem_read(ctx, y));
310: PetscCall(CheckMapEqual({
311: make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, readers[0], readers[1]),
312: make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, readers[0], readers[1]),
313: }));
314: // synchronizing sync_reader should remove it from the dependency list -- but leave remain_reader
315: // intact
316: PetscCall(PetscDeviceContextSynchronize(sync_reader));
317: PetscCall(CheckMapEqual({
318: make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, remain_reader),
319: make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, remain_reader),
320: }));
321: PetscCall(PetscDeviceContextSynchronize(remain_reader));
322: PetscCall(CheckMapEqual({}));
323: PetscFunctionReturn(PETSC_SUCCESS);
324: };
326: // Test that multiple readers can simultaneously read -- even if one of them is synchronized
327: PetscCall(test_multiple_readers({dctx_a, dctx_b}, 0));
328: PetscCall(test_multiple_readers({dctx_a, dctx_b}, 1));
330: // Test that sync of unrelated ctx does not affect the map
331: PetscCall(mem_read(dctx_a, x));
332: PetscCall(mem_read(dctx_b, y));
333: PetscCall(PetscDeviceContextSynchronize(dctx_c));
334: // clang-format off
335: PetscCall(CheckMapEqual({
336: make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, dctx_a),
337: make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, dctx_b)
338: }));
339: // clang-format on
340: PetscCall(PetscDeviceContextSynchronize(dctx_a));
341: PetscCall(PetscDeviceContextSynchronize(dctx_b));
342: // Now the map is empty again
343: PetscCall(CheckMapEqual({}));
345: // Test another context writing over two reads
346: PetscCall(mem_read(dctx_a, x));
347: PetscCall(mem_read(dctx_b, x));
348: // C writing should kick out both A and B
349: PetscCall(mem_write(dctx_c, x));
350: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_WRITE, dctx_c)}));
351: PetscCall(PetscDeviceContextSynchronize(dctx_c));
352: PetscCall(CheckMapEqual({}));
354: // Test that write and synchronize does not interfere with unrelated read
355: PetscCall(mem_read_write(dctx_a, x));
356: PetscCall(mem_read(dctx_a, y));
357: PetscCall(mem_read_write(dctx_b, x));
358: PetscCall(mem_read(dctx_b, y));
359: // Synchronizing B here must clear everything *but* A's read on Y!
360: PetscCall(PetscDeviceContextSynchronize(dctx_b));
361: PetscCall(CheckMapEqual({make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, dctx_a)}));
362: PetscCall(PetscDeviceContextSynchronize(dctx_a));
363: // Now the map is empty again
364: PetscCall(CheckMapEqual({}));
366: // Test that implicit stream-dependencies are properly tracked
367: PetscCall(mem_read(dctx_a, x));
368: PetscCall(mem_read(dctx_b, y));
369: // A waits for B
370: PetscCall(PetscDeviceContextWaitForContext(dctx_a, dctx_b));
371: // Because A waits on B, synchronizing A implicitly implies B read must have finished so the
372: // map must be empty
373: PetscCall(PetscDeviceContextSynchronize(dctx_a));
374: PetscCall(CheckMapEqual({}));
376: PetscCall(mem_write(dctx_a, x));
377: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_WRITE, dctx_a)}));
378: PetscCall(PetscDeviceContextWaitForContext(dctx_b, dctx_a));
379: PetscCall(PetscDeviceContextWaitForContext(dctx_c, dctx_b));
380: // We have created the chain C -> B -> A, so synchronizing C should trickle down to synchronize and
381: // remove A from the map
382: PetscCall(PetscDeviceContextSynchronize(dctx_c));
383: PetscCall(CheckMapEqual({}));
385: // Test that superfluous stream-dependencies are properly ignored
386: PetscCall(mem_read(dctx_a, x));
387: PetscCall(mem_read(dctx_b, y));
388: PetscCall(PetscDeviceContextWaitForContext(dctx_c, dctx_b));
389: // C waited on B, so synchronizing C should remove B from the map but *not* remove A
390: PetscCall(PetscDeviceContextSynchronize(dctx_c));
391: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, dctx_a)}));
392: PetscCall(PetscDeviceContextSynchronize(dctx_a));
393: PetscCall(CheckMapEqual({}));
395: // Test that read->write correctly wipes out the map
396: PetscCall(mem_read(dctx_a, x));
397: PetscCall(mem_read(dctx_b, x));
398: PetscCall(mem_read(dctx_c, x));
399: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, dctx_a, dctx_b, dctx_c)}));
400: PetscCall(mem_write(dctx_a, x));
401: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_WRITE, dctx_a)}));
402: PetscCall(PetscDeviceContextSynchronize(dctx_a));
403: PetscCall(CheckMapEqual({}));
405: PetscCall(PetscDeviceContextDestroy(&dctx_a));
406: PetscCall(PetscDeviceContextDestroy(&dctx_b));
407: PetscCall(PetscDeviceContextDestroy(&dctx_c));
409: PetscCall(PetscContainerDestroy(&x));
410: PetscCall(PetscContainerDestroy(&y));
411: PetscCall(PetscContainerDestroy(&z));
412: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "EXIT_SUCCESS\n"));
413: PetscCall(PetscFinalize());
414: return 0;
415: }
417: /*TEST
419: testset:
420: requires: cxx
421: output_file: ./output/ExitSuccess.out
422: test:
423: requires: !device
424: suffix: host_no_device
425: test:
426: requires: device
427: args: -default_device_type host
428: suffix: host_with_device
429: test:
430: requires: cuda
431: args: -default_device_type cuda
432: suffix: cuda
433: test:
434: requires: hip
435: args: -default_device_type hip
436: suffix: hip
437: test:
438: requires: sycl
439: args: -default_device_type sycl
440: suffix: sycl
442: TEST*/