Joshua Haberman
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0dcc5641eb
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Replicated dispatch and implemeted array resizing logic. Up to 2.67GB/s.
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4 years ago |
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Joshua Haberman
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526e430794
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I think this may have reached the optimization limit.
-------------------------------------------------------------------------
Benchmark Time CPU Iterations
-------------------------------------------------------------------------
BM_ArenaOneAlloc 21 ns 21 ns 32994231
BM_ArenaInitialBlockOneAlloc 6 ns 6 ns 116318005
BM_ParseDescriptorNoHeap 3028 ns 3028 ns 231138 2.34354GB/s
BM_ParseDescriptor 3557 ns 3557 ns 196583 1.99498GB/s
BM_ParseDescriptorProto2NoArena 33228 ns 33226 ns 21196 218.688MB/s
BM_ParseDescriptorProto2WithArena 22863 ns 22861 ns 30666 317.831MB/s
BM_SerializeDescriptorProto2 5444 ns 5444 ns 127368 1.30348GB/s
BM_SerializeDescriptor 12509 ns 12508 ns 55816 580.914MB/s
$ perf stat bazel-bin/benchmark --benchmark_filter=BM_ParseDescriptorNoHeap
2020-10-08 14:07:06
Running bazel-bin/benchmark
Run on (72 X 3700 MHz CPU s)
CPU Caches:
L1 Data 32K (x36)
L1 Instruction 32K (x36)
L2 Unified 1024K (x36)
L3 Unified 25344K (x2)
----------------------------------------------------------------
Benchmark Time CPU Iterations
----------------------------------------------------------------
BM_ParseDescriptorNoHeap 3071 ns 3071 ns 227743 2.31094GB/s
Performance counter stats for 'bazel-bin/benchmark --benchmark_filter=BM_ParseDescriptorNoHeap':
1,050.22 msec task-clock # 0.978 CPUs utilized
4 context-switches # 0.004 K/sec
0 cpu-migrations # 0.000 K/sec
179 page-faults # 0.170 K/sec
3,875,796,334 cycles # 3.690 GHz
13,282,835,967 instructions # 3.43 insn per cycle
2,887,725,848 branches # 2749.627 M/sec
8,324,912 branch-misses # 0.29% of all branches
1.073924364 seconds time elapsed
1.042806000 seconds user
0.008021000 seconds sys
Profile:
23.96% benchmark benchmark [.] upb_prm_1bt_max192b
22.44% benchmark benchmark [.] fastdecode_dispatch
18.96% benchmark benchmark [.] upb_pss_1bt
14.20% benchmark benchmark [.] upb_psv4_1bt
8.33% benchmark benchmark [.] upb_prm_1bt_max64b
6.66% benchmark benchmark [.] upb_prm_1bt_max128b
1.29% benchmark benchmark [.] upb_psm_1bt_max64b
0.77% benchmark benchmark [.] fastdecode_generic
0.55% benchmark [kernel.kallsyms] [k] smp_call_function_single
0.42% benchmark [kernel.kallsyms] [k] _raw_spin_lock_irqsave
0.42% benchmark benchmark [.] upb_psm_1bt_max256b
0.31% benchmark benchmark [.] upb_psb1_1bt
0.21% benchmark benchmark [.] upb_plv4_5bv
0.14% benchmark benchmark [.] upb_psb1_2bt
0.12% benchmark benchmark [.] decode_longvarint64
0.08% benchmark [kernel.kallsyms] [k] vsnprintf
0.07% benchmark [kernel.kallsyms] [k] _raw_spin_lock
0.07% benchmark benchmark [.] _upb_msg_new
0.06% benchmark ld-2.31.so [.] check_match
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4 years ago |
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Joshua Haberman
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4c65b25daf
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Handle long varints, now 2GB/s!
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4 years ago |
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Joshua Haberman
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e39ec95ca2
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Hoisted updates to limits and depth out of the loop.
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4 years ago |
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Joshua Haberman
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52a0ed3891
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Fixed a bug with tag number 15.
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4 years ago |
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Joshua Haberman
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388b6f64eb
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A small optimization: don't increment array length every iteration.
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4 years ago |
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Joshua Haberman
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9e5c5ce089
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Optimized memset() with cutoff and fixed group & unknown message bugs.
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4 years ago |
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Joshua Haberman
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8dd7b5a2ca
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A bunch more optimization.
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4 years ago |
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Joshua Haberman
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e46e94ec7f
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Added benchmarks for proto2.
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4 years ago |
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Joshua Haberman
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405e7934b1
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Handle 2-byte submessage lengths.
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4 years ago |
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Joshua Haberman
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88b1ec7784
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Table-driven supports repeated sub-messages.
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4 years ago |
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Joshua Haberman
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f173642db4
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Handle non-repeated submessages.
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4 years ago |
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Joshua Haberman
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e219a2d91d
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Merge branch 'decode-arena' into fast-table
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4 years ago |
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Joshua Haberman
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7ec2c52346
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Donate/steal from arena to accelerate decoding.
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4 years ago |
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Joshua Haberman
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d43ccfa079
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Revert test changes.
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4 years ago |
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Joshua Haberman
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fac992db83
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Cleanup for showing.
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4 years ago |
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Joshua Haberman
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3937874a85
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We have a properly structured algorithm, but perf regresses by 20%.
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4 years ago |
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Joshua Haberman
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438ecaeb5a
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Give all field parsers a generic table entry.
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4 years ago |
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Joshua Haberman
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383ae5293e
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WIP.
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4 years ago |
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Joshua Haberman
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26abaa2345
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WIP.
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4 years ago |
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Joshua Haberman
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34b98bc030
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Avoid passing too many params to fallback.
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4 years ago |
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Joshua Haberman
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763a3f6293
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WIP.
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4 years ago |
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Joshua Haberman
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02ff6fb996
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Merge pull request #309 from haberman/decoder-forceinline
Add UPB_FORCEINLINE for varint32 decoding.
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4 years ago |
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Joshua Haberman
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a202ce9629
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Add UPB_FORCEINLINE for varint32 decoding.
This speeds up the decoder by >20% and also reduces code size slightly!
name old time/op new time/op delta
ArenaOneAlloc 20.4ns ± 0% 20.2ns ± 0% -1.10% (p=0.000 n=12+11)
ArenaInitialBlockOneAlloc 5.25ns ± 0% 5.25ns ± 0% ~ (p=0.786 n=11+12)
ParseDescriptorNoHeap 17.1µs ± 0% 13.1µs ± 0% -23.29% (p=0.000 n=11+12)
ParseDescriptor 17.4µs ± 1% 13.5µs ± 1% -22.51% (p=0.000 n=12+12)
SerializeDescriptor 10.7µs ± 0% 10.9µs ± 0% +1.95% (p=0.000 n=12+12)
FILE SIZE VM SIZE
-------------- --------------
+2.7% +16 +2.7% +16 [LOAD #2 [RX]]
+0.5% +16 [ = ] 0 [Unmapped]
-1.4% -72 -0.7% -32 upb/decode.c
+3.1% +98 +3.1% +98 decode_msg
[DEL] -170 [DEL] -130 decode_varint32
-0.0% -40 -0.0% -16 TOTAL
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4 years ago |
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Joshua Haberman
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d0f2c4c8a2
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Merge pull request #308 from haberman/encoder
Optimized the binary encoder for a 2x speedup
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4 years ago |
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Joshua Haberman
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5741eb9ad7
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Expanded benchmarking script and added one size opt to the encoder.
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4 years ago |
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Joshua Haberman
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0135399e60
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Fixed bug introduced in refactoring.
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4 years ago |
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Joshua Haberman
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df3438222b
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Notated impossible branch as unreachable.
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4 years ago |
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Joshua Haberman
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9b31e8fe12
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Merged common encode tag paths.
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4 years ago |
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Joshua Haberman
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5d7dc718cc
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Minor formatting fix.
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4 years ago |
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Joshua Haberman
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80441e4eb4
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Optimized binary encoder.
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4 years ago |
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Joshua Haberman
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ada28896b9
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Changed encoder to use longjmp() for error recovery.
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4 years ago |
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Joshua Haberman
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6e140c267c
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Added benchmark for encoding.
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4 years ago |
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Joshua Haberman
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7338facddb
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Merge pull request #307 from veblush/port-backport
Add UPB_NORETURN for MSC
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4 years ago |
Esun Kim
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4d2251c3e4
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Add UPB_NORETURN for MSC
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4 years ago |
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Joshua Haberman
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382d5afc60
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Merge pull request #306 from haberman/bigendian
Fixed binary encoding and decoding for big-endian machines.
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4 years ago |
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Joshua Haberman
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efefbffc80
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Fixed binary encoding and decoding for big-endian machines.
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4 years ago |
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Joshua Haberman
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5d3083013c
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Merge pull request #304 from haberman/upb-assume
Fixed UPB_ASSUME() for non-GCC, non-MSVC platforms.
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4 years ago |
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Joshua Haberman
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55dd9d3e41
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Fixed UPB_ASSUME() for non-GCC, non-MSVC platforms.
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4 years ago |
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Joshua Haberman
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e4c8afd0d4
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Merge pull request #303 from haberman/packed-def
Fixed upb_fielddef_packed() to have the correct default.
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4 years ago |
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Joshua Haberman
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8284321780
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Fixed upb_fielddef_packed() to have the correct default.
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4 years ago |
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Joshua Haberman
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ed86d98f53
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Merge pull request #302 from haberman/verify-utf8
Verify UTF-8 when parsing proto3 string fields.
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4 years ago |
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Joshua Haberman
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8e26a33bcb
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Added a test for UTF-8 parse checking and added missing error reporting.
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4 years ago |
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Joshua Haberman
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2c666bc8f6
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Use C-style comment instead of C++.
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4 years ago |
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Joshua Haberman
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a77ea639d5
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Verify UTF-8 when parsing proto3 string fields.
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4 years ago |
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Joshua Haberman
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7f19072206
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Merge pull request #301 from haberman/rm-pop
Removed unused push/pop functions.
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4 years ago |
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Joshua Haberman
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bfdfe5a914
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Removed unused push/pop functions.
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4 years ago |
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Joshua Haberman
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1479f2d7ca
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Merge pull request #299 from haberman/google3-fixes
Applied changes from google3.
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5 years ago |
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Joshua Haberman
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8f11ec57d2
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Applied changes from google3.
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5 years ago |
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Joshua Haberman
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7172b981dd
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Merge pull request #297 from haberman/bugfixes
A few bugfixes, and Valgrind testing for Kokoro.
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5 years ago |
