Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,787
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     201,304
Calibration 2     201,334
Calibration 3     201,681
ssj_ops@calibrated=201,508
100% 99.6% 201,508 200,787
90% 89.7% 181,357 180,740
80% 79.9% 161,206 161,059
70% 69.9% 141,055 140,903
60% 60.5% 120,905 121,861
50% 50.1% 100,754 100,910
40% 40.1% 80,603 80,786
30% 29.5% 60,452 59,487
20% 20.0% 40,302 40,216
10% 10.0% 20,151 20,105
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,644,124 1,494
Payment 14,644,124
Order Status 1,464,412
Delivery 1,464,413
Stock Level 1,464,413
Customer Report 14,644,120
Calibration 2 New Order 14,643,762 1,494
Payment 14,643,763
Order Status 1,464,376
Delivery 1,464,376
Stock Level 1,464,376
Customer Report 14,643,761
Calibration 3 New Order 14,667,819 1,494
Payment 14,667,816
Order Status 1,466,781
Delivery 1,466,780
Stock Level 1,466,782
Customer Report 14,667,815
100% 99.6% New Order 14,602,907 1,494
Payment 14,602,905
Order Status 1,460,291
Delivery 1,460,289
Stock Level 1,460,290
Customer Report 14,602,909
90% 89.7% New Order 13,145,085 1,494
Payment 13,145,083
Order Status 1,314,509
Delivery 1,314,509
Stock Level 1,314,508
Customer Report 13,145,077
80% 79.9% New Order 11,713,444 1,494
Payment 11,713,449
Order Status 1,171,344
Delivery 1,171,345
Stock Level 1,171,343
Customer Report 11,713,442
70% 69.9% New Order 10,247,546 1,494
Payment 10,247,550
Order Status 1,024,755
Delivery 1,024,754
Stock Level 1,024,755
Customer Report 10,247,551
60% 60.5% New Order 8,863,410 1,494
Payment 8,863,407
Order Status 886,340
Delivery 886,340
Stock Level 886,342
Customer Report 8,863,406
50% 50.1% New Order 7,339,098 1,494
Payment 7,339,099
Order Status 733,910
Delivery 733,909
Stock Level 733,910
Customer Report 7,339,101
40% 40.1% New Order 5,875,455 1,494
Payment 5,875,456
Order Status 587,546
Delivery 587,546
Stock Level 587,546
Customer Report 5,875,456
30% 29.5% New Order 4,326,540 1,494
Payment 4,326,539
Order Status 432,653
Delivery 432,653
Stock Level 432,653
Customer Report 4,326,541
20% 20.0% New Order 2,924,848 1,494
Payment 2,924,847
Order Status 292,484
Delivery 292,484
Stock Level 292,485
Customer Report 2,924,852
10% 10.0% New Order 1,462,222 1,494
Payment 1,462,222
Order Status 146,222
Delivery 146,222
Stock Level 146,223
Customer Report 1,462,225
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0