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Eliminate raid_delta_gen and convert int/neon32 REC1/REC2 to single-pass fused recovery

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This commit is contained in:
Andrea Mazzoleni 2026-09-02 18:19:26 +02:00
parent 0ce89aa35d
commit ec1daddc8e
13 changed files with 70 additions and 429 deletions
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16
cmdline/speed.c
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@ -1367,8 +1367,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
fflush(stdout);
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(2, sizeof(void*) == 8 ? raid_gen2_int64_raid : raid_gen2_int32_raid);
/* +1 to avoid GEN1 optimized case */
raid_rec1_int8(1, id, ip + 1, nd, size, v);
} SPEED_STOP
@ -1471,8 +1469,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
fflush(stdout);
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(3, raid_gen3_int8);
/* +2 to select R instead of Q */
raid_rec1_int8(1, id, ip + 2, nd, size, v);
} SPEED_STOP
@ -1575,8 +1571,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
fflush(stdout);
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(2, sizeof(void*) == 8 ? raid_gen2_int64_raid : raid_gen2_int32_raid);
raid_rec2_int8(2, id, ip, nd, size, v);
} SPEED_STOP
@ -1593,8 +1587,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
#endif
#ifdef CONFIG_NEON32
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(2, raid_gen2_neon32_raid);
raid_rec2_neon32(2, id, ip, nd, size, v);
} SPEED_STOP
@ -1605,8 +1597,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
#ifdef CONFIG_X86
if (raid_cpu_has_ssse3()) {
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(2, raid_gen2_sse2_raid);
raid_rec2_ssse3(2, id, ip, nd, size, v);
} SPEED_STOP
@ -1615,8 +1605,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
#ifdef CONFIG_X86_64
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(2, raid_gen2_sse2ext_raid);
raid_rec2_ssse3ext(2, id, ip, nd, size, v);
} SPEED_STOP
@ -1675,8 +1663,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
fflush(stdout);
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(3, raid_gen3_int8);
/* +1 to avoid GEN2 optimized case */
raid_rec2_int8(2, id, ip + 1, nd, size, v);
} SPEED_STOP
@ -1779,8 +1765,6 @@ void speed_rec(int nd, void** v, int size, int delta, int period)
fflush(stdout);
SPEED_START {
/* force the parity generator used by raid_delta_gen() */
raid_gen_force(4, raid_gen4_int8);
/* +2 to select R,S instead of Q,R */
raid_rec2_int8(2, id, ip + 2, nd, size, v);
} SPEED_STOP