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urmic_transcoder
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update

This commit is contained in:
devdatt 2026-01-19 15:12:58 +05:30
parent 4528a23ae8
commit fd9e8d80df
1 changed files with 22 additions and 30 deletions
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52
html/input.php
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@ -1,6 +1,7 @@
<?php include 'header.php'; ?> <?php include 'header.php'; ?>
<?php <?php
$coreFile = "/var/www/core.json"; $coreFile = "/var/www/core.json";
/* --------------------------------------------------------- /* ---------------------------------------------------------
@ -16,7 +17,7 @@ function loadCoreState(): array
} }
$state = json_decode(file_get_contents($coreFile), true); $state = json_decode(file_get_contents($coreFile), true);
return $state ?: ["cursor" => 0, "allocations" => []]; return is_array($state) ? $state : ["cursor" => 0, "allocations" => []];
} }
function saveCoreState(array $state): void function saveCoreState(array $state): void
@ -33,13 +34,13 @@ function getNumaTopology(): array
{ {
$nodes = []; $nodes = [];
/* discover nodes */ /* discover NUMA nodes */
foreach (glob('/sys/devices/system/node/node*') as $nodePath) { foreach (glob('/sys/devices/system/node/node*') as $nodePath) {
$node = (int)str_replace('node', '', basename($nodePath)); $node = (int)str_replace('node', '', basename($nodePath));
$nodes[$node] = []; $nodes[$node] = [];
} }
/* read cpu → node + core_id */ /* map cpu -> node -> core_id */
foreach (glob('/sys/devices/system/cpu/cpu[0-9]*') as $cpuPath) { foreach (glob('/sys/devices/system/cpu/cpu[0-9]*') as $cpuPath) {
$cpu = (int)str_replace('cpu', '', basename($cpuPath)); $cpu = (int)str_replace('cpu', '', basename($cpuPath));
$topo = "$cpuPath/topology"; $topo = "$cpuPath/topology";
@ -77,45 +78,36 @@ function getNumaTopology(): array
/* --------------------------------------------------------- /* ---------------------------------------------------------
BUILD GLOBAL ROUND-ROBIN PLAN BUILD GLOBAL ROUND-ROBIN PLAN
EVEN CPUs FIRST → ODD CPUs
--------------------------------------------------------- */ --------------------------------------------------------- */
function buildAllocationPlan(array $nodes): array function buildAllocationPlan(array $nodes): array
{ {
$plan = []; $even = [];
$odd = [];
if (empty($nodes)) { foreach ($nodes as $node => $cores) {
return $plan; foreach ($cores as $coreId => $threads) {
} foreach ($threads as $cpu) {
$entry = [
$maxCores = max(array_map('count', $nodes));
/* PASS 1 — physical cores only */
for ($i = 0; $i < $maxCores; $i++) {
foreach ($nodes as $node => $cores) {
$coreIds = array_keys($cores);
if (isset($coreIds[$i])) {
$plan[] = [
"node" => $node, "node" => $node,
"cpu" => $cores[$coreIds[$i]][0] "cpu" => $cpu
]; ];
if (($cpu % 2) === 0) {
$even[] = $entry;
} else {
$odd[] = $entry;
}
} }
} }
} }
/* PASS 2 — SMT siblings */ /* deterministic ordering */
for ($i = 0; $i < $maxCores; $i++) { usort($even, fn($a, $b) => $a["cpu"] <=> $b["cpu"]);
foreach ($nodes as $node => $cores) { usort($odd, fn($a, $b) => $a["cpu"] <=> $b["cpu"]);
$coreIds = array_keys($cores);
if (isset($coreIds[$i]) && count($cores[$coreIds[$i]]) > 1) {
$plan[] = [
"node" => $node,
"cpu" => $cores[$coreIds[$i]][1]
];
}
}
}
return $plan; return array_merge($even, $odd);
} }
/* --------------------------------------------------------- /* ---------------------------------------------------------