Hi.
I see quite SPEC 2006 benchmark changes for -Ofast -march=native:
(note that size changes are not presented all)
1) gillan (AMD bulldozer):
+------------------------------------------+-------+----------+----------+---+-------+-------+
| Performance Regressions - Execution Time | Δ | Previous | Current | σ |
Δ (B) | σ (B) |
+------------------------------------------+-------+----------+----------+---+-------+-------+
| SPEC/SPEC2006/FP/453.povray | 6.06% | 180.9933 | 191.9582 | - |
3.48% | - |
| SPEC/SPEC2006/FP/410.bwaves | 5.13% | 307.0029 | 322.7495 | - |
8.11% | - |
| SPEC/SPEC2006/FP/433.milc | 4.80% | 310.4705 | 325.3810 | - |
4.01% | - |
| SPEC/SPEC2006/FP/450.soplex | 3.50% | 449.4463 | 465.1627 | - |
3.09% | - |
| SPEC/SPEC2006/INT/471.omnetpp | 1.41% | 562.2769 | 570.1829 | - |
1.65% | - |
| SPEC/SPEC2006/FP/447.dealII | 1.40% | 359.1753 | 364.1933 | - |
1.66% | - |
| SPEC/SPEC2006/INT/483.xalancbmk | 1.00% | 430.9722 | 435.2821 | - |
7.59% | - |
+------------------------------------------+-------+----------+----------+---+-------+-------+
+-------------------------------------------+--------+----------+----------+---+--------+-------+
| Performance Improvements - Execution Time | Δ | Previous | Current | σ
| Δ (B) | σ (B) |
+-------------------------------------------+--------+----------+----------+---+--------+-------+
| SPEC/SPEC2006/INT/429.mcf | -7.93% | 606.7478 | 558.6419 | -
| -7.42% | - |
| SPEC/SPEC2006/INT/473.astar | -2.07% | 577.5786 | 565.6328 | -
| -6.16% | - |
| SPEC/SPEC2006/FP/435.gromacs | -2.01% | 329.9626 | 323.3386 | -
| -0.34% | - |
| SPEC/SPEC2006/INT/458.sjeng | -1.71% | 667.0133 | 655.5964 | -
| -1.54% | - |
| SPEC/SPEC2006/FP/436.cactusADM | -1.07% | 379.5225 | 375.4560 | -
| -4.12% | - |
+-------------------------------------------+--------+----------+----------+---+--------+-------+
+---------------------------------------------------+---------+--------------+--------------+---+---------+-------+
| Performance Improvements - size | Δ | Previous |
Current | σ | Δ (B) | σ (B) |
+---------------------------------------------------+---------+--------------+--------------+---+---------+-------+
| SPEC/SPEC2006/FP/482.sphinx3/elf/sections/text | -15.92% | 244450.0000 |
205522.0000 | - | -9.45% | - |
| SPEC/SPEC2006/FP/482.sphinx3/elf | -12.16% | 335640.0000 |
294816.0000 | - | -6.46% | - |
| SPEC/SPEC2006/INT/456.hmmer/elf/sections/text | -12.14% | 395778.0000 |
347746.0000 | - | -9.75% | - |
| SPEC/SPEC2006/INT/483.xalancbmk/elf/sections/text | -10.43% | 3282082.0000 |
2939698.0000 | - | -11.33% | - |
| SPEC/SPEC2006/FP/453.povray/elf/sections/text | -9.48% | 1004658.0000 |
909426.0000 | - | -12.68% | - |
| SPEC/SPEC2006/INT/400.perlbench/elf/sections/text | -9.42% | 1141458.0000 |
1033890.0000 | - | -9.75% | - |
| SPEC/SPEC2006/INT/456.hmmer/elf | -8.77% | 508624.0000 |
464024.0000 | - | -7.28% | - |
+---------------------------------------------------+---------+--------------+--------------+---+---------+-------+
2) AMD Ryzen 5 machine:
+------------------------------------------+-------+----------+----------+---+-------+-------+
| Performance Regressions - Execution Time | Δ | Previous | Current | σ |
Δ (B) | σ (B) |
+------------------------------------------+-------+----------+----------+---+-------+-------+
| SPEC/SPEC2006/FP/450.soplex | 6.28% | 204.6552 | 217.5132 | - |
8.06% | - |
| SPEC/SPEC2006/FP/433.milc | 6.11% | 200.5912 | 212.8397 | - |
5.81% | - |
| SPEC/SPEC2006/FP/410.bwaves | 3.28% | 145.9785 | 150.7609 | - |
5.37% | - |
| SPEC/SPEC2006/INT/462.libquantum | 1.98% | 306.7858 | 312.8472 | - |
2.14% | - |
+------------------------------------------+-------+----------+----------+---+-------+-------+
+-------------------------------------------+--------+----------+----------+---+--------+-------+
| Performance Improvements - Execution Time | Δ | Previous | Current | σ
| Δ (B) | σ (B) |
+-------------------------------------------+--------+----------+----------+---+--------+-------+
| SPEC/SPEC2006/INT/429.mcf | -4.71% | 255.8058 | 243.7667 | -
| -1.18% | - |
| SPEC/SPEC2006/INT/473.astar | -3.33% | 361.8033 | 349.7520 | -
| 0.67% | - |
| SPEC/SPEC2006/FP/482.sphinx3 | -1.28% | 301.7175 | 297.8409 | -
| 5.49% | - |
+-------------------------------------------+--------+----------+----------+---+--------+-------+
+---------------------------------------------------+---------+--------------+--------------+---+---------+-------+
| Performance Improvements - size | Δ | Previous |
Current | σ | Δ (B) | σ (B) |
+---------------------------------------------------+---------+--------------+--------------+---+---------+-------+
| SPEC/SPEC2006/FP/482.sphinx3/elf/sections/text | -17.60% | 202370.0000 |
166754.0000 | - | -9.65% | - |
| SPEC/SPEC2006/FP/482.sphinx3/elf | -12.67% | 290680.0000 |
253856.0000 | - | -7.42% | - |
| SPEC/SPEC2006/INT/456.hmmer/elf/sections/text | -10.58% | 340802.0000 |
304754.0000 | - | -7.92% | - |
| SPEC/SPEC2006/INT/400.perlbench/elf/sections/text | -9.50% | 1166962.0000 |
1056066.0000 | - | -9.89% | - |
| SPEC/SPEC2006/FP/453.povray/elf/sections/text | -9.48% | 993042.0000 |
898882.0000 | - | -13.33% | - |
| SPEC/SPEC2006/INT/483.xalancbmk/elf/sections/text | -9.13% | 3225538.0000 |
2931026.0000 | - | -9.93% | - |
| SPEC/SPEC2006/INT/456.hmmer/elf | -8.01% | 455472.0000 |
418968.0000 | - | -5.44% | - |
| SPEC/SPEC2006/INT/400.perlbench/elf | -7.45% | 1538352.0000 |
1423800.0000 | - | -7.69% | - |
+---------------------------------------------------+---------+--------------+--------------+---+---------+-------+
And I really verified on my Haswell machine that sphinx3 changes:
bloaty new -- old
VM SIZE FILE SIZE
++++++++++++++ GROWING ++++++++++++++
+0.1% +24 .eh_frame +24 +0.1%
[ = ] 0 .symtab +24 +0.2%
[ = ] 0 .strtab +14 +0.2%
+0.3% +8 .eh_frame_hdr +8 +0.3%
-------------- SHRINKING --------------
[ = ] 0 .debug_loc -164Ki -37.0%
[ = ] 0 .debug_line -118Ki -23.9%
-16.7% -35.4Ki .text -35.4Ki -16.7%
[ = ] 0 .debug_ranges -33.1Ki -74.7%
[ = ] 0 .debug_info -31.0Ki -9.8%
-32.0% -16 [Unmapped] -679 -16.8%
[ = ] 0 .debug_abbrev -186 -0.5%
-11.8% -35.3Ki TOTAL -382Ki -23.2%
Martin
Martin
