Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,951
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     194,893
Calibration 2     192,085
Calibration 3     191,793
ssj_ops@calibrated=191,939
100% 100.0% 191,939 191,951
90% 89.4% 172,745 171,613
80% 80.4% 153,551 154,413
70% 69.9% 134,357 134,223
60% 60.1% 115,163 115,352
50% 50.0% 95,969 95,965
40% 39.9% 76,776 76,493
30% 29.8% 57,582 57,143
20% 20.1% 38,388 38,585
10% 9.8% 19,194 18,901
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,177,174 1,494
Payment 14,177,178
Order Status 1,417,717
Delivery 1,417,718
Stock Level 1,417,717
Customer Report 14,177,178
Calibration 2 New Order 13,971,322 1,494
Payment 13,971,328
Order Status 1,397,133
Delivery 1,397,132
Stock Level 1,397,132
Customer Report 13,971,324
Calibration 3 New Order 13,949,912 1,494
Payment 13,949,921
Order Status 1,394,991
Delivery 1,394,990
Stock Level 1,394,990
Customer Report 13,949,917
100% 100.0% New Order 13,961,746 1,494
Payment 13,961,752
Order Status 1,396,175
Delivery 1,396,174
Stock Level 1,396,175
Customer Report 13,961,748
90% 89.4% New Order 12,480,972 1,494
Payment 12,480,969
Order Status 1,248,097
Delivery 1,248,096
Stock Level 1,248,097
Customer Report 12,480,975
80% 80.4% New Order 11,231,477 1,494
Payment 11,231,471
Order Status 1,123,147
Delivery 1,123,149
Stock Level 1,123,147
Customer Report 11,231,475
70% 69.9% New Order 9,761,735 1,494
Payment 9,761,737
Order Status 976,174
Delivery 976,174
Stock Level 976,174
Customer Report 9,761,739
60% 60.1% New Order 8,389,281 1,494
Payment 8,389,278
Order Status 838,927
Delivery 838,927
Stock Level 838,928
Customer Report 8,389,271
50% 50.0% New Order 6,979,608 1,494
Payment 6,979,609
Order Status 697,962
Delivery 697,963
Stock Level 697,961
Customer Report 6,979,607
40% 39.9% New Order 5,563,240 1,494
Payment 5,563,243
Order Status 556,323
Delivery 556,324
Stock Level 556,325
Customer Report 5,563,239
30% 29.8% New Order 4,156,068 1,494
Payment 4,156,064
Order Status 415,606
Delivery 415,606
Stock Level 415,607
Customer Report 4,156,065
20% 20.1% New Order 2,806,325 1,494
Payment 2,806,323
Order Status 280,631
Delivery 280,633
Stock Level 280,631
Customer Report 2,806,320
10% 9.8% New Order 1,374,639 1,494
Payment 1,374,637
Order Status 137,464
Delivery 137,464
Stock Level 137,463
Customer Report 1,374,635
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0