Specialized row decoders per type and pinned byte arrays - #49

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mzabani wants to merge 32 commits into

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pinned-byte-arrays

Commits on Aug 24, 2026

Try a new kind of very specialized parser for small types
mzabani
committed
c1f31ce
Post-rebase fixing
mzabani
committed
54568cd
More specialized instances, more confirmation of benefits
mzabani
committed
aae7968
Specialized instance for UTCTime => clear benefits once again
mzabani
committed
3a8976f
Tidy up a bit
mzabani
committed
cfe5355
Slightly better understanding of inlining, clearer inlining boundaries
mzabani
committed
dae7d49
Add `inlinedSingleFieldDecoder`
mzabani
committed
f3e9789
More comprehensive coverage of types in benchmarks, more specialized row decoders
mzabani
committed
ec02583
Tests for non-specialized field decoders
mzabani
committed
a91c474
Tidy up GHC Core
mzabani
committed
7ed61d0
Overlapping Maybe instances do help with the inlined row decoder's performance
mzabani
committed
8092870
Very experimental change with `Maybe a` instances
mzabani
committed
d93d721
A separate field in FieldDecoder for what to decode NULL to
mzabani
committed
1d6df11
Try to improve the code, but inlining got worse
mzabani
committed
4f08722
Some memory usage improvements
mzabani
committed
2f8bf5d
Float decodesSqlNullTo outside and add strictness for better inlining
mzabani
committed
e94adeb
Tidy up, a few more INLINE pragmas
mzabani
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25a04cc
TODOs in the code
mzabani
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6407110
Trying a specialized notConst method
mzabani
committed
3c85cec
Do the JSON types, but hpgsql-simple-compat will break
mzabani
committed
db901f0
Create new strict and lazy ByteString-like PinnedByteArray types
mzabani
committed
e2eb282
Stop inlining aggressively in Generically derived row decoders, add another benchmark
mzabani
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2327091
Don't use inlined row decoders for Tuples
mzabani
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08ca14e
Update TODO
mzabani
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7b70240
Stop exposing performance-oriented FromPgField methods
mzabani
committed
69e89d6
Document why PinnedByteArray
mzabani
committed
695dedb
Custom conversion from PinnedByteArray to Text
mzabani
committed
e65120a

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Specialized row decoders per type and pinned byte arrays - #49

Specialized row decoders per type and pinned byte arrays#49
mzabani wants to merge 32 commits into
masterfrom
pinned-byte-arrays

Commits on Aug 24, 2026

Try a new kind of very specialized parser for small types

Post-rebase fixing

More specialized instances, more confirmation of benefits

Specialized instance for UTCTime => clear benefits once again

Tidy up a bit

Slightly better understanding of inlining, clearer inlining boundaries

Add `inlinedSingleFieldDecoder`

More comprehensive coverage of types in benchmarks, more specialized row decoders

Tests for non-specialized field decoders

Tidy up GHC Core

Overlapping Maybe instances do help with the inlined row decoder's performance

Very experimental change with `Maybe a` instances

A separate field in FieldDecoder for what to decode NULL to

Try to improve the code, but inlining got worse

Some memory usage improvements

Float decodesSqlNullTo outside and add strictness for better inlining

Tidy up, a few more INLINE pragmas

TODOs in the code

Trying a specialized notConst method

Do the JSON types, but hpgsql-simple-compat will break

Create new strict and lazy ByteString-like PinnedByteArray types

Stop inlining aggressively in Generically derived row decoders, add another benchmark

Don't use inlined row decoders for Tuples

Update TODO

Stop exposing performance-oriented FromPgField methods

Document why PinnedByteArray

Custom conversion from PinnedByteArray to Text

Commits on Aug 25, 2026

Post-rebase adjustments

Document row decoders

Add benchmark for `singleField fieldDecoder` row decoders

Allocate new buffers with smaller size after extracting a message

More things to check in TODO