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Blocklist is 3% - 12% performance penalty

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I measured the performance penalty of the 725-entry blocklist, and it
clocks in a 3% to 12%. I want to replace the painful for-loop with a
map, assuming the map works more quickly.
This commit is contained in:
Brian Cunnie
2025-07-24 06:45:42 -07:00
parent 93d7d7298a
commit 06d16959ee
1 changed files with 8 additions and 1 deletions
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9
integration_speed_test.go
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@@ -37,7 +37,7 @@ var _ = Describe("speed", func() {
var loopbackAddr *net.UDPAddr var loopbackAddr *net.UDPAddr
var conn *net.UDPConn var conn *net.UDPConn
var msg dnsmessage.Message var msg dnsmessage.Message
const numQueries = 5000 const numQueries = 5000 // set to 123456 when testing
const minThroughput = 1000 const minThroughput = 1000
BeforeEach(func() { BeforeEach(func() {
@@ -64,10 +64,17 @@ var _ = Describe("speed", func() {
// - queries are done sequentially, not in parallel // - queries are done sequentially, not in parallel
// - each query includes an overhead of 4 Expect() // - each query includes an overhead of 4 Expect()
// current max queries is 2047/second (ns-ovh.sslip.io.) // current max queries is 2047/second (ns-ovh.sslip.io.)
// ~27k Apple M4
// ~19k Apple M2 // ~19k Apple M2
// ~8k vSphere Xeon D-1736 2.7GHz // ~8k vSphere Xeon D-1736 2.7GHz
// ~6k AWS Graviton T2 // ~6k AWS Graviton T2
// ~5k Azure Xeon E5-2673 v4 @ 2.30GHz // ~5k Azure Xeon E5-2673 v4 @ 2.30GHz
// blocklist exacts a 3% - 11% penalty
// with `-quiet` and 4-entry blocklist on M4
// ~32k-34k
// with 725 entry blocklist
// ~30k-31k
for i := 0; i < numQueries; i += 1 { for i := 0; i < numQueries; i += 1 {
bytesWritten, err := conn.Write(queryBuf) bytesWritten, err := conn.Write(queryBuf)
Expect(err).ToNot(HaveOccurred()) Expect(err).ToNot(HaveOccurred())