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aco/gfx11+: optimize v_fma_mix throughput

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Foz-DB Navi31:
Totals from 18677 (23.58% of 79206) affected shaders:
Latency: 83613889 -> 83558801 (-0.07%)
InvThroughput: 12696661 -> 12635199 (-0.48%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29047>
This commit is contained in:
Georg Lehmann
2024-05-03 21:54:38 +02:00
committed by Marge Bot
parent f02310934c
commit be7c137229
2 changed files with 67 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/compiler/tests/test_optimizer.cpp
+8 -8
View File
@@ -1217,7 +1217,7 @@ BEGIN_TEST(optimize.mad_mix.input_conv.basic)
//! p_unit_test 0, %res0
writeout(0, fmul(a, f2f32(a16)));
//! v1: %res1 = v_fma_mix_f32 1.0, %a, lo(%a16)
//! v1: %res1 = v_fma_mix_f32 1.0, lo(%a16), %a
//! p_unit_test 1, %res1
writeout(1, fadd(a, f2f32(a16)));
@@ -1408,7 +1408,7 @@ BEGIN_TEST(optimize.mad_mix.output_conv.basic)
Temp a16 = inputs[3];
Temp b16 = inputs[4];
//! v2b: %res0 = v_fma_mixlo_f16 %a, %b, -0
//! v2b: %res0 = v_fma_mixlo_f16 %a, %b, -lo(0)
//! p_unit_test 0, %res0
writeout(0, f2f16(fmul(a, b)));
@@ -1420,7 +1420,7 @@ BEGIN_TEST(optimize.mad_mix.output_conv.basic)
//! p_unit_test 2, %res2
writeout(2, f2f16(fma(a, b, c)));
//! v2b: %res3 = v_fma_mixlo_f16 lo(%a16), %b, -0
//! v2b: %res3 = v_fma_mixlo_f16 lo(%a16), %b, -lo(0)
//! p_unit_test 3, %res3
writeout(3, f2f16(fmul(f2f32(a16), b)));
@@ -1612,7 +1612,7 @@ BEGIN_TEST(optimize.mad_mix.fma.precision)
//! p_unit_test 5, %res5
writeout(5, f2f32(fadd(a16, b16)));
//! v2b: %res6_tmp = v_fma_mixlo_f16 %a, %b, -0
//! v2b: %res6_tmp = v_fma_mixlo_f16 %a, %b, -lo(0)
//! v2b: %res6 = v_add_f16 %res6_tmp, %a16
//! p_unit_test 6, %res6
writeout(6, fadd(f2f16(fmul(a, b)), a16));
@@ -1641,11 +1641,11 @@ BEGIN_TEST(optimize.mad_mix.clamp)
//! p_unit_test 0, %res0
writeout(0, fsat(fmul(f2f32(a16), a)));
//! v2b: %res1 = v_fma_mixlo_f16 %a, %a, -0 clamp
//! v2b: %res1 = v_fma_mixlo_f16 %a, %a, -lo(0) clamp
//! p_unit_test 1, %res1
writeout(1, f2f16(fsat(fmul(a, a))));
//! v2b: %res2 = v_fma_mixlo_f16 %a, %a, -0 clamp
//! v2b: %res2 = v_fma_mixlo_f16 %a, %a, -lo(0) clamp
//! p_unit_test 2, %res2
writeout(2, fsat(f2f16(fmul(a, a))));
@@ -1693,7 +1693,7 @@ BEGIN_TEST(optimize.mad_mix.cast)
//! p_unit_test 4, %res4
writeout(4, fsat(u2u16(fmul(f2f32(a16), a))));
//! v2b: %res5_mul = v_fma_mixlo_f16 %a, %a, -0
//! v2b: %res5_mul = v_fma_mixlo_f16 %a, %a, -lo(0)
//! v1: %res5 = v_add_f32 %res5_mul, 0 clamp
//! p_unit_test 5, %res5
writeout(5, fsat(bld.as_uniform(f2f16(fmul(a, a)))));
@@ -1704,7 +1704,7 @@ BEGIN_TEST(optimize.mad_mix.cast)
writeout(6, fadd(f2f32(u2u16(fmul(a, a))), a));
//! v2b: %res7_mul = v_mul_f16 %a16, %a16
//! v1: %res7 = v_fma_mix_f32 1.0, %res7_mul, lo(%a16)
//! v1: %res7 = v_fma_mix_f32 1.0, lo(%a16), %res7_mul
//! p_unit_test 7, %res7
writeout(7, fadd(bld.as_uniform(fmul(a16, a16)), f2f32(a16)));