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Searched refs:variance (Results 1 – 19 of 19) sorted by relevance

/src/tools/test/arc4random/
H A Dbiastest.c129 double discrepancy, average, variance, total; in analyze_sample() local
145 variance = 0.0; in analyze_sample()
155 variance += sample[i] * discrepancy * discrepancy; in analyze_sample()
170 variance /= tries; in analyze_sample()
179 printf("\tdeviation: %f (expected %f)\n\n", sqrt(variance), in analyze_sample()
188 variance = 0.0; in analyze_sample()
191 variance += histogram[i] * discrepancy * discrepancy; in analyze_sample()
194 variance /= threshold; in analyze_sample()
210 …printf("\tdeviation: %f (expected %f)\n\n", sqrt(variance), sqrt(average * (1.0 - 1.0 / threshold)… in analyze_sample()
/src/contrib/jemalloc/doc_internal/
H A DPROFILING_INTERNALS.md42 …unbiased estimators, the lower the variance, the lower the mean squared error. Using the estimator…
55 We can use this formula to compare various strategy choices. All else being equal, lower-variance s…
61 …se our Bernoulli-via-Geometric trick. Using the formula from above, we can compute the variance as:
65 That is, an allocation of size $Z$ contributes a term of $(N-1)Z^2$ to the variance.
80 … relative to $R$, we can use $e^z \approx 1 + x$, and conclude that the variance contributed by a …
84variance term is near $Z^2$ (we have $\frac{e^{-Z/R}}{1 - e^{-Z/R}} = 1$ when $Z/R = \ln 2 \approx…
89 …- The quadratic increase in variance per allocation in the first approach is quite costly when hea…
106variance is that fact that sampling is expensive; we want to make sure we only do it on a small fr…
120 …closely correspond to the optimal ones? How close is the variance of our choices to the variance o…
/src/contrib/ntp/sntp/libevent/test/
H A Dtest-ratelim.c337 double variance; in test_ratelimiting() local
543variance = total_sq_persec/cfg_n_connections - total_persec*total_persec/(cfg_n_connections*cfg_n_… in test_ratelimiting()
545 printf(" stddev: %f per second\n", sqrt(variance)); in test_ratelimiting()
547 sqrt(variance) > cfg_stddev_tolerance) { in test_ratelimiting()
/src/contrib/libevent/test/
H A Dtest-ratelim.c337 double variance; in test_ratelimiting() local
543variance = total_sq_persec/cfg_n_connections - total_persec*total_persec/(cfg_n_connections*cfg_n_… in test_ratelimiting()
545 printf(" stddev: %f per second\n", sqrt(variance)); in test_ratelimiting()
547 sqrt(variance) > cfg_stddev_tolerance) { in test_ratelimiting()
/src/contrib/llvm-project/clang/include/clang/AST/
H A DDeclObjC.h594 ObjCTypeParamVariance variance, SourceLocation varianceLoc, in ObjCTypeParamDecl() argument
600 Index(index), Variance(static_cast<unsigned>(variance)), in ObjCTypeParamDecl()
610 ObjCTypeParamVariance variance,
628 void setVariance(ObjCTypeParamVariance variance) { in setVariance() argument
629 Variance = static_cast<unsigned>(variance); in setVariance()
/src/contrib/ntp/
H A DCommitLog-4.1.01617 * ntpd/refclock_local.c (local_poll): variance -> jitter
1618 * ntpd/refclock_chu.c (chu_major): Lose variance.
1621 * ntpd/ntp_request.c (peer_info): variance -> jitter
1622 * ntpd/ntp_refclock.c (refclock_sample): variance -> jitter
1623 (refclock_receive): variance -> jitter
1624 * ntpd/ntp_proto.c (process_packet): variance -> jitter
1625 (clock_filter): variance -> jitter
1626 (clock_select): variance -> jitter
1627 (root_distance): variance -> jitter
1628 * ntpd/ntp_peer.c (newpeer): variance -> jitter
[all …]
H A DCommitLog232619 [Bug 200] Apparently, variance data is stored squared, so we want to SQRT() it when we report it.
232622 … [Bug 200] Apparently, variance data is stored squared, so we want to SQRT() it when we report it.
/src/contrib/llvm-project/clang/lib/AST/
H A DDeclObjC.cpp1474 ObjCTypeParamVariance variance, in Create() argument
1482 new (ctx, dc) ObjCTypeParamDecl(ctx, dc, variance, varianceLoc, index, in Create()
/src/contrib/llvm-project/clang/include/clang/Sema/
H A DSemaObjC.h249 DeclResult actOnObjCTypeParam(Scope *S, ObjCTypeParamVariance variance,
/src/contrib/llvm-project/clang/lib/Parse/
H A DParseObjc.cpp491 ObjCTypeParamVariance variance = ObjCTypeParamVariance::Invariant; in parseObjCTypeParamListOrProtocolRefs() local
493 variance = Tok.is(tok::kw___covariant) in parseObjCTypeParamListOrProtocolRefs()
554 getCurScope(), variance, varianceLoc, typeParams.size(), paramName, in parseObjCTypeParamListOrProtocolRefs()
/src/sys/contrib/zstd/
H A DCONTRIBUTING.md243 and then hand picking a good threshold after which the variance in results seems to stabilize.
/src/contrib/llvm-project/clang/lib/Sema/
H A DSemaDeclObjC.cpp667 Scope *S, ObjCTypeParamVariance variance, SourceLocation varianceLoc, in actOnObjCTypeParam() argument
763 return ObjCTypeParamDecl::Create(Context, SemaRef.CurContext, variance, in actOnObjCTypeParam()
/src/crypto/heimdal/lib/wind/
H A Drfc3454.txt463 variance between the behavior of systems that have been updated and
526 variance between the behavior of systems that have been updated and
/src/contrib/one-true-awk/testdir/
H A Dfunstack.in3757 …eductions in the expected sorting effort, but substantially reduces the variance in sorting effort…
13319 …an value; random; reciprocal; roundoff errors; significant digits; uniform distribution; variance",
13636 …DATA TEXT; descriptive statistics; factor analysis; one way analysis of variance; OSIRIS; Pearson …
16817 kwds = "stat, updating, mean, standard deviation, variance",
19217 … sciences; statistical analysis; statistical computer programs; statistics; time series; variance",
20322variance reduction method due to Page [9] can be used to obtain a specified accuracy with consider…
20331 …; sequential estimator; simulation; simulation output analysis; stopping rule; variance reduction",
26033 title = "Updating mean and variance estimates: an improved method",
26044 …abstract = "A method of improved efficiency is given for updating the mean and variance of wei…
26046 …annote = "A method of improved efficiency is given for updating the mean and variance of wei…
[all …]
H A Dfunstack.ok3437 D. H. D. West Updating mean and variance estimates: an
H A Dbib23453 For I am come to set a man at variance against his father, and the daughter against her mother, and…
29183 Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies,
/src/contrib/bsnmp/tests/
H A Dcatch.hpp7646 double variance = std::accumulate(first, last, 0., [m](double a, double b) { in standard_deviation() local
7650 return std::sqrt(variance); in standard_deviation()
/src/share/dict/
H A Dweb2a52572 self-variance
H A Dweb2227171 variance