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)
72: 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, ...)
73: {
74: PetscFunctionBegin;
75: if (PetscUnlikely(!cond)) {
76: std::array<char, 2048> buf;
77: std::va_list argp;
78: std::size_t len;
79: PetscViewer vwr;
81: PetscCallCXX(buf.fill(0));
82: va_start(argp, format);
83: PetscCall(PetscVSNPrintf(buf.data(), buf.size(), format, &len, argp));
84: va_end(argp);
85: PetscCall(PetscViewerASCIIGetStdout(comm, &vwr));
86: if (dctx) PetscCall(PetscDeviceContextView(dctx, vwr));
87: PetscCall(MarkedObjectMapView(vwr, nkeys, keys, modes, ndeps, dependencies));
88: SETERRQ(comm, PETSC_ERR_PLIB, "Condition '%s' failed, marked object map in corrupt state: %s", cond_str, buf.data());
89: }
90: PetscFunctionReturn(PETSC_SUCCESS);
91: }
92: #define CheckMarkedObjectMap(__cond__, ...) CheckMarkedObjectMap_Private((PetscBool)(!!(__cond__)), PetscStringize(__cond__), PETSC_COMM_SELF, dctx, nkeys, keys, modes, ndeps, const_cast<const PetscEvent **>(dependencies), __VA_ARGS__);
94: static PetscErrorCode TestAllCombinations(PetscDeviceContext dctx, const std::vector<PetscContainer> &cont)
95: {
96: std::vector<PetscObjectId> cont_ids;
97: PetscObjectId dctx_id;
98: PetscDeviceType dtype;
100: PetscFunctionBegin;
101: PetscCallCXX(cont_ids.reserve(cont.size()));
102: for (auto &&c : cont) {
103: PetscObjectId id;
105: PetscCall(PetscObjectGetId((PetscObject)c, &id));
106: PetscCallCXX(cont_ids.emplace_back(id));
107: }
108: PetscCall(PetscObjectGetId(PetscObjectCast(dctx), &dctx_id));
109: PetscCall(PetscDeviceContextGetDeviceType(dctx, &dtype));
110: for (auto &&func_i : mark_funcs) {
111: for (auto &&func_j : mark_funcs) {
112: for (auto it = cont.cbegin(), next = std::next(it); it != cont.cend(); ++it, ++next) {
113: std::vector<int> found_keys;
114: std::size_t nkeys;
115: PetscObjectId *keys;
116: PetscMemoryAccessMode *modes;
117: std::size_t *ndeps;
118: PetscEvent **dependencies;
120: if (next >= cont.cend()) next = cont.cbegin();
121: PetscCall(func_i(dctx, *it));
122: PetscCall(func_j(dctx, *next));
123: PetscCall(PetscGetMarkedObjectMap_Internal(&nkeys, &keys, &modes, &ndeps, &dependencies));
124: PetscCallCXX(found_keys.resize(nkeys));
125: {
126: // The underlying marked object map is *unordered*, and hence the order in which we
127: // get the keys is not necessarily the same as the order of operations. This is
128: // confounded by the fact that k and knext are not necessarily "linear", i.e. k could
129: // be 2 while knext is 0. So we need to map these back to linear space so we can loop
130: // over them.
131: const auto keys_end = keys + nkeys;
132: const auto num_expected_keys = std::min(cont.size(), static_cast<std::size_t>(2));
133: const auto check_applied_mode = [&](PetscContainer container, PetscMemoryAccessMode mode) {
134: std::ptrdiff_t key_idx = 0;
135: PetscObjectId actual_key;
137: PetscFunctionBegin;
138: PetscCall(PetscObjectGetId((PetscObject)container, &actual_key));
139: // search the list of keys from the map for the selected key
140: key_idx = std::distance(keys, std::find(keys, keys_end, actual_key));
141: PetscCheck(key_idx >= 0, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Key index %" PetscCount_FMT " < 0, this indicates keys_begin > keys_end?", key_idx);
142: found_keys[key_idx]++;
143: PetscCall(CheckMarkedObjectMap(key_idx < std::distance(keys, keys_end), "marked object map could not find expected key %" PetscInt64_FMT, actual_key));
144: // OK found it, now check the rest of the entries are as we expect them to be
145: PetscCall(CheckMarkedObjectMap(modes[key_idx] == mode, "unexpected mode %s, expected %s", PetscMemoryAccessModeToString(modes[key_idx]), PetscMemoryAccessModeToString(mode)));
146: PetscCall(CheckMarkedObjectMap(ndeps[key_idx] == 1, "unexpected number of dependencies %zu, expected 1", ndeps[key_idx]));
147: PetscCall(CheckMarkedObjectMap(dependencies[key_idx][0]->dtype == dtype, "unexpected device type on event: %s, expected %s", PetscDeviceTypes[dependencies[key_idx][0]->dtype], PetscDeviceTypes[dtype]));
148: PetscFunctionReturn(PETSC_SUCCESS);
149: };
151: // if it == next, then even though we might num_expected_keys keys we never "look
152: // for" the missing key
153: 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");
154: PetscCall(CheckMarkedObjectMap(nkeys == num_expected_keys, "marked object map has %zu keys expected %zu", nkeys, num_expected_keys));
155: // check that each function properly applied its mode, it == next if cont.size() = 1,
156: // i.e. testing identity
157: if (it != next) PetscCall(check_applied_mode(*it, func_i.mode));
158: PetscCall(check_applied_mode(*next, func_j.mode));
159: }
160: // Check that the map contained only keys we were looking for. Any extra keys will have
161: // zero find count
162: 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)]));
164: PetscCall(PetscRestoreMarkedObjectMap_Internal(nkeys, &keys, &modes, &ndeps, &dependencies));
166: PetscCall(PetscDeviceContextSynchronize(dctx));
167: PetscCall(PetscGetMarkedObjectMap_Internal(&nkeys, &keys, &modes, &ndeps, &dependencies));
168: PetscCall(CheckMarkedObjectMap(nkeys == 0, "synchronizing device context did not empty dependency map, have %zu keys", nkeys));
169: PetscCall(PetscRestoreMarkedObjectMap_Internal(nkeys, &keys, &modes, &ndeps, &dependencies));
170: }
171: }
172: }
173: PetscCall(PetscDeviceContextSynchronize(dctx));
174: PetscFunctionReturn(PETSC_SUCCESS);
175: }
177: template <typename... T>
178: PETSC_NODISCARD static std::pair<PetscObjectId, std::pair<PetscMemoryAccessMode, std::vector<PetscDeviceContext>>> make_map_entry(PetscObjectId id, PetscMemoryAccessMode mode, T &&...dctxs)
179: {
180: return {
181: id, {mode, {std::forward<T>(dctxs)...}}
182: };
183: }
185: static PetscErrorCode CheckMapEqual(std::unordered_map<PetscObjectId, std::pair<PetscMemoryAccessMode, std::vector<PetscDeviceContext>>> expected_map)
186: {
187: std::size_t nkeys;
188: PetscObjectId *keys;
189: PetscMemoryAccessMode *modes;
190: std::size_t *ndeps;
191: PetscEvent **dependencies;
192: PetscDeviceContext dctx = nullptr;
194: PetscFunctionBegin;
195: PetscCall(PetscGetMarkedObjectMap_Internal(&nkeys, &keys, &modes, &ndeps, &dependencies));
196: {
197: const auto key_end = keys + nkeys;
198: auto mode_it = modes;
199: auto ndep_it = ndeps;
200: auto dep_it = dependencies;
202: for (auto key_it = keys; key_it != key_end; ++key_it, ++mode_it, ++ndep_it, ++dep_it) {
203: const auto found_it = expected_map.find(*key_it);
205: PetscCall(CheckMarkedObjectMap(found_it != expected_map.cend(), "marked object map did not contain key %" PetscInt64_FMT, *key_it));
206: {
207: // must do these here since found_it may be expected_map.cend()
208: const auto &expected_mode = found_it->second.first;
209: const auto &expected_dctxs = found_it->second.second;
210: auto sub_dep_it = *dep_it;
212: PetscCall(CheckMarkedObjectMap(expected_mode == *mode_it, "unexpected mode %s, expected %s", PetscMemoryAccessModeToString(expected_mode), PetscMemoryAccessModeToString(*mode_it)));
213: PetscCall(CheckMarkedObjectMap(expected_dctxs.size() == *ndep_it, "unexpected number of dependencies %zu, expected %zu", *ndep_it, expected_dctxs.size()));
214: // purposefully hide "dctx" with the loop variable, so we get more detailed output in
215: // the error message
216: for (auto &&dctx : expected_dctxs) {
217: const auto event = *sub_dep_it;
218: PetscDeviceType dtype;
219: PetscObjectId id;
221: PetscCall(PetscDeviceContextGetDeviceType(dctx, &dtype));
222: PetscCall(PetscObjectGetId(PetscObjectCast(dctx), &id));
223: PetscCall(CheckMarkedObjectMap(event->dtype == dtype, "unexpected device type on event: %s, expected %s", PetscDeviceTypes[event->dtype], PetscDeviceTypes[dtype]));
224: PetscCall(CheckMarkedObjectMap(event->dctx_id == id, "unexpected dctx id on event: %" PetscInt64_FMT ", expected %" PetscInt64_FMT, event->dctx_id, id));
225: ++sub_dep_it;
226: }
227: }
228: // remove the found iterator from the map, this ensure we either run out of map (which is
229: // caught by the first check in the loop), or we run out of keys to check, which is
230: // caught in the end of the loop
231: PetscCallCXX(expected_map.erase(found_it));
232: }
233: }
234: PetscCall(CheckMarkedObjectMap(expected_map.empty(), "Not all keys in marked object map accounted for!"));
235: PetscCall(PetscRestoreMarkedObjectMap_Internal(nkeys, &keys, &modes, &ndeps, &dependencies));
236: PetscFunctionReturn(PETSC_SUCCESS);
237: }
239: int main(int argc, char *argv[])
240: {
241: PetscContainer x, y, z;
242: PetscObjectId x_id, y_id, z_id;
243: PetscDeviceContext dctx_a, dctx_b, dctx_c;
244: auto container_view = PETSC_FALSE;
245: const auto create_container = [&](PetscContainer *c, const char name[], PetscObjectId *id) {
246: PetscFunctionBegin;
247: PetscCall(PetscContainerCreate(PETSC_COMM_WORLD, c));
248: PetscCall(PetscObjectSetName((PetscObject)(*c), name));
249: PetscCall(PetscObjectGetId((PetscObject)(*c), id));
250: if (container_view) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Container '%s' -> id %" PetscInt64_FMT "\n", name, *id));
251: PetscFunctionReturn(PETSC_SUCCESS);
252: };
253: const auto sync_all = [&] {
254: PetscFunctionBegin;
255: for (auto &&ctx : {dctx_a, dctx_b, dctx_c}) PetscCall(PetscDeviceContextSynchronize(ctx));
256: PetscFunctionReturn(PETSC_SUCCESS);
257: };
259: PetscFunctionBeginUser;
260: PetscCall(PetscInitialize(&argc, &argv, nullptr, help));
262: PetscOptionsBegin(PETSC_COMM_WORLD, nullptr, "Test Options", "Sys");
263: PetscCall(PetscOptionsBool("-container_view", "View container names and ID's", nullptr, container_view, &container_view, nullptr));
264: PetscOptionsEnd();
266: PetscCall(create_container(&x, "x", &x_id));
267: PetscCall(create_container(&y, "y", &y_id));
268: PetscCall(create_container(&z, "z", &z_id));
270: PetscCall(PetscDeviceContextCreate(&dctx_a));
271: PetscCall(PetscObjectSetName(PetscObjectCast(dctx_a), "dctx_a"));
272: PetscCall(PetscDeviceContextSetStreamType(dctx_a, PETSC_STREAM_DEFAULT_BLOCKING));
273: PetscCall(PetscDeviceContextSetFromOptions(PETSC_COMM_WORLD, dctx_a));
274: PetscCall(PetscDeviceContextDuplicate(dctx_a, &dctx_b));
275: PetscCall(PetscObjectSetName(PetscObjectCast(dctx_b), "dctx_b"));
276: PetscCall(PetscDeviceContextDuplicate(dctx_a, &dctx_c));
277: PetscCall(PetscObjectSetName(PetscObjectCast(dctx_c), "dctx_c"));
278: PetscCall(PetscDeviceContextViewFromOptions(dctx_a, nullptr, "-dctx_a_view"));
279: PetscCall(PetscDeviceContextViewFromOptions(dctx_b, nullptr, "-dctx_b_view"));
280: PetscCall(PetscDeviceContextViewFromOptions(dctx_c, nullptr, "-dctx_c_view"));
282: // ensure they are all idle
283: PetscCall(sync_all());
284: PetscCall(CheckMapEqual({}));
286: // do the bulk combination tests, these test only the very basic combinations for simple
287: // correctness
288: PetscCall(TestAllCombinations(dctx_a, {x}));
289: PetscCall(TestAllCombinations(dctx_a, {x, y, z}));
291: // Now do some specific tests, these should test more complicated scenarios. First and
292: // foremost, ensure they are all idle, and that it does not change the map
293: PetscCall(sync_all());
294: // Map should be empty
295: PetscCall(CheckMapEqual({}));
297: // Syncing again shouldn't magically fill the map back up
298: PetscCall(sync_all());
299: PetscCall(CheckMapEqual({}));
301: const auto test_multiple_readers = [&](std::array<PetscDeviceContext, 2> readers, std::size_t sync_idx) {
302: // the reader which synchronizes
303: const auto sync_reader = readers[sync_idx];
304: // the reader that will remain in the map after sync_reader synchronizes
305: const auto remain_idx = sync_idx + 1 >= readers.size() ? 0 : sync_idx + 1;
306: const auto remain_reader = readers[remain_idx];
308: PetscFunctionBegin;
309: for (auto &&ctx : readers) PetscCall(mem_read(ctx, x));
310: for (auto &&ctx : readers) PetscCall(mem_read(ctx, y));
311: PetscCall(CheckMapEqual({
312: make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, readers[0], readers[1]),
313: make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, readers[0], readers[1]),
314: }));
315: // synchronizing sync_reader should remove it from the dependency list -- but leave remain_reader
316: // intact
317: PetscCall(PetscDeviceContextSynchronize(sync_reader));
318: PetscCall(CheckMapEqual({
319: make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, remain_reader),
320: make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, remain_reader),
321: }));
322: PetscCall(PetscDeviceContextSynchronize(remain_reader));
323: PetscCall(CheckMapEqual({}));
324: PetscFunctionReturn(PETSC_SUCCESS);
325: };
327: // Test that multiple readers can simultaneously read -- even if one of them is synchronized
328: PetscCall(test_multiple_readers({dctx_a, dctx_b}, 0));
329: PetscCall(test_multiple_readers({dctx_a, dctx_b}, 1));
331: // Test that sync of unrelated ctx does not affect the map
332: PetscCall(mem_read(dctx_a, x));
333: PetscCall(mem_read(dctx_b, y));
334: PetscCall(PetscDeviceContextSynchronize(dctx_c));
335: // clang-format off
336: PetscCall(CheckMapEqual({
337: make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, dctx_a),
338: make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, dctx_b)
339: }));
340: // clang-format on
341: PetscCall(PetscDeviceContextSynchronize(dctx_a));
342: PetscCall(PetscDeviceContextSynchronize(dctx_b));
343: // Now the map is empty again
344: PetscCall(CheckMapEqual({}));
346: // Test another context writing over two reads
347: PetscCall(mem_read(dctx_a, x));
348: PetscCall(mem_read(dctx_b, x));
349: // C writing should kick out both A and B
350: PetscCall(mem_write(dctx_c, x));
351: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_WRITE, dctx_c)}));
352: PetscCall(PetscDeviceContextSynchronize(dctx_c));
353: PetscCall(CheckMapEqual({}));
355: // Test that write and synchronize does not interfere with unrelated read
356: PetscCall(mem_read_write(dctx_a, x));
357: PetscCall(mem_read(dctx_a, y));
358: PetscCall(mem_read_write(dctx_b, x));
359: PetscCall(mem_read(dctx_b, y));
360: // Synchronizing B here must clear everything *but* A's read on Y!
361: PetscCall(PetscDeviceContextSynchronize(dctx_b));
362: PetscCall(CheckMapEqual({make_map_entry(y_id, PETSC_MEMORY_ACCESS_READ, dctx_a)}));
363: PetscCall(PetscDeviceContextSynchronize(dctx_a));
364: // Now the map is empty again
365: PetscCall(CheckMapEqual({}));
367: // Test that implicit stream-dependencies are properly tracked
368: PetscCall(mem_read(dctx_a, x));
369: PetscCall(mem_read(dctx_b, y));
370: // A waits for B
371: PetscCall(PetscDeviceContextWaitForContext(dctx_a, dctx_b));
372: // Because A waits on B, synchronizing A implicitly implies B read must have finished so the
373: // map must be empty
374: PetscCall(PetscDeviceContextSynchronize(dctx_a));
375: PetscCall(CheckMapEqual({}));
377: PetscCall(mem_write(dctx_a, x));
378: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_WRITE, dctx_a)}));
379: PetscCall(PetscDeviceContextWaitForContext(dctx_b, dctx_a));
380: PetscCall(PetscDeviceContextWaitForContext(dctx_c, dctx_b));
381: // We have created the chain C -> B -> A, so synchronizing C should trickle down to synchronize and
382: // remove A from the map
383: PetscCall(PetscDeviceContextSynchronize(dctx_c));
384: PetscCall(CheckMapEqual({}));
386: // Test that superfluous stream-dependencies are properly ignored
387: PetscCall(mem_read(dctx_a, x));
388: PetscCall(mem_read(dctx_b, y));
389: PetscCall(PetscDeviceContextWaitForContext(dctx_c, dctx_b));
390: // C waited on B, so synchronizing C should remove B from the map but *not* remove A
391: PetscCall(PetscDeviceContextSynchronize(dctx_c));
392: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, dctx_a)}));
393: PetscCall(PetscDeviceContextSynchronize(dctx_a));
394: PetscCall(CheckMapEqual({}));
396: // Test that read->write correctly wipes out the map
397: PetscCall(mem_read(dctx_a, x));
398: PetscCall(mem_read(dctx_b, x));
399: PetscCall(mem_read(dctx_c, x));
400: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_READ, dctx_a, dctx_b, dctx_c)}));
401: PetscCall(mem_write(dctx_a, x));
402: PetscCall(CheckMapEqual({make_map_entry(x_id, PETSC_MEMORY_ACCESS_WRITE, dctx_a)}));
403: PetscCall(PetscDeviceContextSynchronize(dctx_a));
404: PetscCall(CheckMapEqual({}));
406: PetscCall(PetscDeviceContextDestroy(&dctx_a));
407: PetscCall(PetscDeviceContextDestroy(&dctx_b));
408: PetscCall(PetscDeviceContextDestroy(&dctx_c));
410: PetscCall(PetscContainerDestroy(&x));
411: PetscCall(PetscContainerDestroy(&y));
412: PetscCall(PetscContainerDestroy(&z));
413: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "EXIT_SUCCESS\n"));
414: PetscCall(PetscFinalize());
415: return 0;
416: }
418: /*TEST
420: testset:
421: requires: cxx
422: output_file: ./output/ExitSuccess.out
423: test:
424: requires: !device
425: suffix: host_no_device
426: test:
427: requires: device
428: args: -default_device_type host
429: suffix: host_with_device
430: test:
431: requires: cuda
432: args: -default_device_type cuda
433: suffix: cuda
434: test:
435: requires: hip
436: args: -default_device_type hip
437: suffix: hip
438: test:
439: requires: sycl
440: args: -default_device_type sycl
441: suffix: sycl
443: TEST*/