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server-skynet-source-3rd-je.../test/unit/rtree.c

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Add rtree unit tests.
2014-01-03 08:08:28 +08:00
#include "test/jemalloc_test.h"
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
rtree_node_alloc_t *rtree_node_alloc_orig;
rtree_node_dalloc_t *rtree_node_dalloc_orig;
rtree_t *test_rtree;
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
static rtree_elm_t *
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
rtree_node_alloc_intercept(tsdn_t *tsdn, rtree_t *rtree, size_t nelms) {
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
rtree_elm_t *node;
Refactor rtree to be lock-free. Recent huge allocation refactoring associates huge allocations with arenas, but it remains necessary to quickly look up huge allocation metadata during reallocation/deallocation. A global radix tree remains a good solution to this problem, but locking would have become the primary bottleneck after (upcoming) migration of chunk management from global to per arena data structures. This lock-free implementation uses double-checked reads to traverse the tree, so that in the steady state, each read or write requires only a single atomic operation. This implementation also assures that no more than two tree levels actually exist, through a combination of careful virtual memory allocation which makes large sparse nodes cheap, and skipping the root node on x64 (possible because the top 16 bits are all 0 in practice).
2015-01-31 14:54:08 +08:00
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
if (rtree != test_rtree) {
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
return rtree_node_alloc_orig(tsdn, rtree, nelms);
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
}
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
Fix long spinning in rtree_node_init rtree_node_init spinlocks the node, allocates, and then sets the node. This is under heavy contention at the top of the tree if many threads start to allocate at the same time. Instead, take a per-rtree sleeping mutex to reduce spinning. Tested both pthreads and osx OSSpinLock, and both reduce spinning adequately Previous benchmark time: ./ttest1 500 100 ~15s New benchmark time: ./ttest1 500 100 .57s
2016-11-01 07:23:33 +08:00
malloc_mutex_unlock(tsdn, &rtree->init_lock);
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
node = (rtree_elm_t *)calloc(nelms, sizeof(rtree_elm_t));
assert_ptr_not_null(node, "Unexpected calloc() failure");
Fix long spinning in rtree_node_init rtree_node_init spinlocks the node, allocates, and then sets the node. This is under heavy contention at the top of the tree if many threads start to allocate at the same time. Instead, take a per-rtree sleeping mutex to reduce spinning. Tested both pthreads and osx OSSpinLock, and both reduce spinning adequately Previous benchmark time: ./ttest1 500 100 ~15s New benchmark time: ./ttest1 500 100 .57s
2016-11-01 07:23:33 +08:00
malloc_mutex_lock(tsdn, &rtree->init_lock);
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
Remove extraneous parens around return arguments. This resolves #540.
2017-01-20 10:15:45 +08:00
return node;
Refactor rtree to be lock-free. Recent huge allocation refactoring associates huge allocations with arenas, but it remains necessary to quickly look up huge allocation metadata during reallocation/deallocation. A global radix tree remains a good solution to this problem, but locking would have become the primary bottleneck after (upcoming) migration of chunk management from global to per arena data structures. This lock-free implementation uses double-checked reads to traverse the tree, so that in the steady state, each read or write requires only a single atomic operation. This implementation also assures that no more than two tree levels actually exist, through a combination of careful virtual memory allocation which makes large sparse nodes cheap, and skipping the root node on x64 (possible because the top 16 bits are all 0 in practice).
2015-01-31 14:54:08 +08:00
}
static void
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
rtree_node_dalloc_intercept(tsdn_t *tsdn, rtree_t *rtree, rtree_elm_t *node) {
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
if (rtree != test_rtree) {
rtree_node_dalloc_orig(tsdn, rtree, node);
return;
}
Refactor rtree to be lock-free. Recent huge allocation refactoring associates huge allocations with arenas, but it remains necessary to quickly look up huge allocation metadata during reallocation/deallocation. A global radix tree remains a good solution to this problem, but locking would have become the primary bottleneck after (upcoming) migration of chunk management from global to per arena data structures. This lock-free implementation uses double-checked reads to traverse the tree, so that in the steady state, each read or write requires only a single atomic operation. This implementation also assures that no more than two tree levels actually exist, through a combination of careful virtual memory allocation which makes large sparse nodes cheap, and skipping the root node on x64 (possible because the top 16 bits are all 0 in practice).
2015-01-31 14:54:08 +08:00
free(node);
}
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
TEST_BEGIN(test_rtree_read_empty) {
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn_t *tsdn;
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn = tsdn_fetch();
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
rtree_t rtree;
rtree_ctx_t rtree_ctx = RTREE_CTX_INITIALIZER;
test_rtree = &rtree;
assert_false(rtree_new(&rtree), "Unexpected rtree_new() failure");
Remove rtree support for 0 (NULL) keys. NULL can never actually be inserted in practice, and removing support allows a branch to be removed from the fast path.
2017-02-05 18:50:59 +08:00
assert_ptr_null(rtree_read(tsdn, &rtree, &rtree_ctx, PAGE, false),
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
"rtree_read() should return NULL for empty tree");
rtree_delete(tsdn, &rtree);
test_rtree = NULL;
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
}
TEST_END
Replace tabs following #define with spaces. This resolves #564.
2017-01-20 13:41:41 +08:00
#define NTHREADS 8
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
#define MAX_NBITS 30
Replace tabs following #define with spaces. This resolves #564.
2017-01-20 13:41:41 +08:00
#define NITERS 1000
#define SEED 42
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
typedef struct {
rtree_t rtree;
uint32_t seed;
} thd_start_arg_t;
static void *
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
thd_start(void *varg) {
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
thd_start_arg_t *arg = (thd_start_arg_t *)varg;
Add rtree lookup path caching. rtree-based extent lookups remain more expensive than chunk-based run lookups, but with this optimization the fast path slowdown is ~3 CPU cycles per metadata lookup (on Intel Core i7-4980HQ), versus ~11 cycles prior. The path caching speedup tends to degrade gracefully unless allocated memory is spread far apart (as is the case when using a mixture of sbrk() and mmap()).
2016-06-03 09:43:10 +08:00
rtree_ctx_t rtree_ctx = RTREE_CTX_INITIALIZER;
sfmt_t *sfmt;
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
extent_t *extent;
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn_t *tsdn;
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
unsigned i;
sfmt = init_gen_rand(arg->seed);
extent = (extent_t *)malloc(sizeof(extent));
assert_ptr_not_null(extent, "Unexpected malloc() failure");
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn = tsdn_fetch();
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
for (i = 0; i < NITERS; i++) {
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
uintptr_t key = (uintptr_t)(gen_rand64(sfmt) & ((ZU(1) <<
MAX_NBITS) - ZU(1)));
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
if (i % 2 == 0) {
rtree_elm_t *elm;
Add rtree lookup path caching. rtree-based extent lookups remain more expensive than chunk-based run lookups, but with this optimization the fast path slowdown is ~3 CPU cycles per metadata lookup (on Intel Core i7-4980HQ), versus ~11 cycles prior. The path caching speedup tends to degrade gracefully unless allocated memory is spread far apart (as is the case when using a mixture of sbrk() and mmap()).
2016-06-03 09:43:10 +08:00
elm = rtree_elm_acquire(tsdn, &arg->rtree, &rtree_ctx,
key, false, true);
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
assert_ptr_not_null(elm,
"Unexpected rtree_elm_acquire() failure");
Add rtree lookup path caching. rtree-based extent lookups remain more expensive than chunk-based run lookups, but with this optimization the fast path slowdown is ~3 CPU cycles per metadata lookup (on Intel Core i7-4980HQ), versus ~11 cycles prior. The path caching speedup tends to degrade gracefully unless allocated memory is spread far apart (as is the case when using a mixture of sbrk() and mmap()).
2016-06-03 09:43:10 +08:00
rtree_elm_write_acquired(tsdn, &arg->rtree, elm,
extent);
Add rtree element witnesses.
2016-04-18 03:55:10 +08:00
rtree_elm_release(tsdn, &arg->rtree, elm);
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
Add rtree lookup path caching. rtree-based extent lookups remain more expensive than chunk-based run lookups, but with this optimization the fast path slowdown is ~3 CPU cycles per metadata lookup (on Intel Core i7-4980HQ), versus ~11 cycles prior. The path caching speedup tends to degrade gracefully unless allocated memory is spread far apart (as is the case when using a mixture of sbrk() and mmap()).
2016-06-03 09:43:10 +08:00
elm = rtree_elm_acquire(tsdn, &arg->rtree, &rtree_ctx,
key, true, false);
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
assert_ptr_not_null(elm,
"Unexpected rtree_elm_acquire() failure");
Add rtree element witnesses.
2016-04-18 03:55:10 +08:00
rtree_elm_read_acquired(tsdn, &arg->rtree, elm);
rtree_elm_release(tsdn, &arg->rtree, elm);
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
} else {
Add rtree lookup path caching. rtree-based extent lookups remain more expensive than chunk-based run lookups, but with this optimization the fast path slowdown is ~3 CPU cycles per metadata lookup (on Intel Core i7-4980HQ), versus ~11 cycles prior. The path caching speedup tends to degrade gracefully unless allocated memory is spread far apart (as is the case when using a mixture of sbrk() and mmap()).
2016-06-03 09:43:10 +08:00
rtree_read(tsdn, &arg->rtree, &rtree_ctx, key, false);
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
}
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
}
free(extent);
fini_gen_rand(sfmt);
Remove extraneous parens around return arguments. This resolves #540.
2017-01-20 10:15:45 +08:00
return NULL;
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
}
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
TEST_BEGIN(test_rtree_concurrent) {
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
thd_start_arg_t arg;
thd_t thds[NTHREADS];
sfmt_t *sfmt;
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn_t *tsdn;
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
sfmt = init_gen_rand(SEED);
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn = tsdn_fetch();
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
test_rtree = &arg.rtree;
assert_false(rtree_new(&arg.rtree), "Unexpected rtree_new() failure");
arg.seed = gen_rand32(sfmt);
for (unsigned i = 0; i < NTHREADS; i++) {
thd_create(&thds[i], thd_start, (void *)&arg);
}
for (unsigned i = 0; i < NTHREADS; i++) {
thd_join(thds[i], NULL);
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
}
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
rtree_delete(tsdn, &arg.rtree);
test_rtree = NULL;
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
2016-03-28 18:06:35 +08:00
fini_gen_rand(sfmt);
}
TEST_END
#undef NTHREADS
#undef NITERS
#undef SEED
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
TEST_BEGIN(test_rtree_extrema) {
Rename extent_node_t to extent_t.
2016-03-24 12:09:28 +08:00
extent_t extent_a, extent_b;
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
tsdn_t *tsdn;
tsdn = tsdn_fetch();
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
rtree_t rtree;
rtree_ctx_t rtree_ctx = RTREE_CTX_INITIALIZER;
test_rtree = &rtree;
assert_false(rtree_new(&rtree), "Unexpected rtree_new() failure");
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
Remove rtree support for 0 (NULL) keys. NULL can never actually be inserted in practice, and removing support allows a branch to be removed from the fast path.
2017-02-05 18:50:59 +08:00
assert_false(rtree_write(tsdn, &rtree, &rtree_ctx, PAGE, &extent_a),
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
"Unexpected rtree_write() failure");
Remove rtree support for 0 (NULL) keys. NULL can never actually be inserted in practice, and removing support allows a branch to be removed from the fast path.
2017-02-05 18:50:59 +08:00
assert_ptr_eq(rtree_read(tsdn, &rtree, &rtree_ctx, PAGE, true),
&extent_a,
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
"rtree_read() should return previously set value");
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
assert_false(rtree_write(tsdn, &rtree, &rtree_ctx, ~((uintptr_t)0),
&extent_b), "Unexpected rtree_write() failure");
assert_ptr_eq(rtree_read(tsdn, &rtree, &rtree_ctx, ~((uintptr_t)0),
true), &extent_b,
"rtree_read() should return previously set value");
rtree_delete(tsdn, &rtree);
test_rtree = NULL;
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
}
TEST_END
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
TEST_BEGIN(test_rtree_bits) {
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
tsdn_t *tsdn = tsdn_fetch();
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
Remove rtree support for 0 (NULL) keys. NULL can never actually be inserted in practice, and removing support allows a branch to be removed from the fast path.
2017-02-05 18:50:59 +08:00
uintptr_t keys[] = {PAGE, PAGE + 1,
PAGE + (((uintptr_t)1) << LG_PAGE) - 1};
Refactor rtree to always use base_alloc() for node allocation.
2016-04-16 15:36:11 +08:00
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
extent_t extent;
rtree_t rtree;
rtree_ctx_t rtree_ctx = RTREE_CTX_INITIALIZER;
Add rtree unit tests.
2014-01-03 08:08:28 +08:00
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
2017-02-07 05:17:12 +08:00
test_rtree = &rtree;
assert_false(rtree_new(&rtree),
"Unexpected rtree_new() failure");
for (unsigned i = 0; i < sizeof(keys)/sizeof(uintptr_t); i++) {
assert_false(rtree_write(tsdn, &rtree, &rtree_ctx, keys[i],
&extent), "Unexpected rtree_write() failure");
for (unsigned j = 0; j < sizeof(keys)/sizeof(uintptr_t); j++) {
assert_ptr_eq(rtree_read(tsdn, &rtree, &rtree_ctx,
keys[j], true), &extent,
"rtree_read() should return previously set "
"value and ignore insignificant key bits; "
"i=%u, j=%u, set key=%#"FMTxPTR", get "
"key=%#"FMTxPTR, i, j, keys[i], keys[j]);
}
assert_ptr_null(rtree_read(tsdn, &rtree, &rtree_ctx,
Remove rtree support for 0 (NULL) keys. NULL can never actually be inserted in practice, and removing support allows a branch to be removed from the fast path.
2017-02-05 18:50:59 +08:00
(((uintptr_t)2) << LG_PAGE), false),
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
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"Only leftmost rtree leaf should be set; i=%u", i);
rtree_clear(tsdn, &rtree, &rtree_ctx, keys[i]);
Add rtree unit tests.
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}
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
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rtree_delete(tsdn, &rtree);
test_rtree = NULL;
Add rtree unit tests.
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}
TEST_END
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
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TEST_BEGIN(test_rtree_random) {
Replace tabs following #define with spaces. This resolves #564.
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#define NSET 16
#define SEED 42
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
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sfmt_t *sfmt = init_gen_rand(SEED);
tsdn_t *tsdn = tsdn_fetch();
uintptr_t keys[NSET];
extent_t extent;
rtree_t rtree;
rtree_ctx_t rtree_ctx = RTREE_CTX_INITIALIZER;
rtree_elm_t *elm;
test_rtree = &rtree;
assert_false(rtree_new(&rtree), "Unexpected rtree_new() failure");
for (unsigned i = 0; i < NSET; i++) {
keys[i] = (uintptr_t)gen_rand64(sfmt);
elm = rtree_elm_acquire(tsdn, &rtree, &rtree_ctx, keys[i],
false, true);
assert_ptr_not_null(elm,
"Unexpected rtree_elm_acquire() failure");
rtree_elm_write_acquired(tsdn, &rtree, elm, &extent);
rtree_elm_release(tsdn, &rtree, elm);
assert_ptr_eq(rtree_read(tsdn, &rtree, &rtree_ctx, keys[i],
true), &extent,
"rtree_read() should return previously set value");
}
for (unsigned i = 0; i < NSET; i++) {
assert_ptr_eq(rtree_read(tsdn, &rtree, &rtree_ctx, keys[i],
true), &extent,
"rtree_read() should return previously set value, i=%u", i);
}
Add rtree unit tests.
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Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
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for (unsigned i = 0; i < NSET; i++) {
rtree_clear(tsdn, &rtree, &rtree_ctx, keys[i]);
assert_ptr_null(rtree_read(tsdn, &rtree, &rtree_ctx, keys[i],
true), "rtree_read() should return previously set value");
Add rtree unit tests.
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}
Determine rtree levels at compile time. Rather than dynamically building a table to aid per level computations, define a constant table at compile time. Omit both high and low insignificant bits. Use one to three tree levels, depending on the number of significant bits.
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for (unsigned i = 0; i < NSET; i++) {
assert_ptr_null(rtree_read(tsdn, &rtree, &rtree_ctx, keys[i],
true), "rtree_read() should return previously set value");
}
rtree_delete(tsdn, &rtree);
test_rtree = NULL;
Add rtree unit tests.
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fini_gen_rand(sfmt);
#undef NSET
#undef SEED
}
TEST_END
int
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
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main(void) {
Refactor rtree to always use base_alloc() for node allocation.
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rtree_node_alloc_orig = rtree_node_alloc;
rtree_node_alloc = rtree_node_alloc_intercept;
rtree_node_dalloc_orig = rtree_node_dalloc;
rtree_node_dalloc = rtree_node_dalloc_intercept;
test_rtree = NULL;
Remove extraneous parens around return arguments. This resolves #540.
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return test(
Add element acquire/release capabilities to rtree. This makes it possible to acquire short-term "ownership" of rtree elements so that it is possible to read an extent pointer *and* read the extent's contents with a guarantee that the element will not be modified until the ownership is released. This is intended as a mechanism for resolving rtree read/write races rather than as a way to lock extents.
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test_rtree_read_empty,
test_rtree_concurrent,
Add rtree unit tests.
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test_rtree_extrema,
test_rtree_bits,
Remove extraneous parens around return arguments. This resolves #540.
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test_rtree_random);
Add rtree unit tests.
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}
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