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3x speedup in snappy compression (#3234)

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* 3x speedup in snappy compression

oh, the wonders of `copyMem` in `endians2` - speeds up all kinds of
operations like database stores, sending gossip etc.

* endian usage fixes
This commit is contained in:
Jacek Sieka 2022-01-03 18:17:10 +01:00 committed by GitHub
parent e78d12beb9
commit 61b6fc1016
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 6 additions and 6 deletions
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2
beacon_chain/eth1/eth1_monitor.nim
View File

@ -175,7 +175,7 @@ func depositCountU64(s: DepositContractState): uint64 =
for i in 0 .. 23:
doAssert s.deposit_count[i] == 0
uint64.fromBytesBE s.deposit_count[24..31]
uint64.fromBytesBE s.deposit_count.toOpenArray(24, 31)
template cfg(m: Eth1Monitor): auto =
m.depositsChain.cfg

6
beacon_chain/spec/eth2_apis/eth2_rest_serialization.nim
View File

@ -384,10 +384,10 @@ proc writeValue*(w: var JsonWriter[RestJson], value: DomainType) {.
proc readValue*(reader: var JsonReader[RestJson], value: var DomainType) {.
raises: [IOError, SerializationError, Defect].} =
var data: array[4, byte]
try:
hexToByteArray(reader.readValue(string), data)
let res = uint32.fromBytesLE(data)
let
data = hexToByteArray(reader.readValue(string), 4)
res = uint32.fromBytesLE(data)
if res >= uint32(low(DomainType)) and res <= uint32(high(DomainType)):
value = cast[DomainType](res)
else:

2
vendor/nim-snappy vendored

@ -1 +1 @@
Subproject commit 16cce7d07ce8be2cfc760d86744b8b54cd0808a9
Subproject commit 2256d6efb266dd1f65fc24077fb148377edb5b8c

2
vendor/nim-stew vendored

@ -1 +1 @@
Subproject commit 2f9c61f485e1de6d7e163294008276c455d39da2
Subproject commit 543c7edbc710a3f9d329e094499159a315ee4905