Comments (3)
The entry size should be a power of two regardless of what you give it. The
count will be a multiple of the number of segments. There should be checks
to enforce this but they might be broken.
On 29 Jan 2014 04:12, "sampath06" [email protected] wrote:
Modifying the existing testcase in HugeHashMapTest giving different values
of count makes it fail.Sample code given below:
@Test public void testPut() throws ExecutionException, InterruptedException { int count = 50; HugeConfig config = HugeConfig.DEFAULT.clone() .setSegments(128) .setSmallEntrySize(72) // TODO 64 corrupts the values !! .setCapacity(count); final HugeHashMap<CharSequence, SampleValues> map = new HugeHashMap<CharSequence, SampleValues>( config, CharSequence.class, SampleValues.class); long start = System.nanoTime(); final SampleValues value = new SampleValues(); StringBuilder user = new StringBuilder(); for (int i = 0; i < count; i++) { value.ee = i; value.gg = i; value.ii = i; map.put(users(user, i), value); } for (int i = 0; i < count; i++) { assertNotNull(map.get(users(user, i), value)); assertEquals(i, value.ee); assertEquals(i, value.gg, 0.0); assertEquals(i, value.ii); } long time = System.nanoTime() - start; System.out.printf("Put/get %,d K operations per second%n", (int) (count * 4 * 1e6 / time)); }
The assertion is
java.lang.AssertionError: expected:<30> but was:<22>
With the count of 100, the assertion is
java.lang.AssertionError: expected:<40> but was:<32>
With count of 2000, the assertion is
java.lang.AssertionError: expected:<1247> but was:<1239>
Seems to work for other counts like 5000, 10000 etc.
Reply to this email directly or view it on GitHubhttps://github.com//issues/5
.
from hugecollections-old.
I tried with these values and it still gives the same error
int count = 32;
HugeConfig config = HugeConfig.DEFAULT.clone()
.setSegments(16)
.setSmallEntrySize(128) // TODO 64 corrupts the values !!
.setCapacity(count);
from hugecollections-old.
This needs investigating.
On 29 Jan 2014 08:20, "sampath06" [email protected] wrote:
I tried with these values and it still gives the same error
'''
int count = 32;
HugeConfig config = HugeConfig.DEFAULT.clone()
.setSegments(16)
.setSmallEntrySize(128) // TODO 64 corrupts the values !!
.setCapacity(count);
'''Reply to this email directly or view it on GitHubhttps://github.com//issues/5#issuecomment-33564439
.
from hugecollections-old.
Related Issues (20)
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- VanillaShortShortMultiMap is full when capacity is still available HOT 5
- Difference between setSmallEntrySize and setCapacity
- SharedHashMap: iterating using keyset, valueset is very slow for larger tables HOT 8
- problem using SharedHashMapBuilder ... HOT 6
- OpenHFT scope of capability re: SHMEntry fields (user JBI supplied) and "barrier" operations HOT 9
- HugeHashMap with JPA elements HOT 4
- SharedHashMap causing crash on Windows OS HOT 28
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