Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,472
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     204,617
Calibration 2     203,833
Calibration 3     203,429
ssj_ops@calibrated=203,631
100% 99.4% 203,631 202,472
90% 90.4% 183,268 183,990
80% 79.4% 162,905 161,682
70% 70.4% 142,542 143,410
60% 59.9% 122,178 122,032
50% 49.7% 101,815 101,288
40% 39.9% 81,452 81,304
30% 29.9% 61,089 60,803
20% 19.8% 40,726 40,403
10% 10.1% 20,363 20,606
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 14,884,655 1,494
Payment 14,884,648
Order Status 1,488,463
Delivery 1,488,465
Stock Level 1,488,465
Customer Report 14,884,654
Calibration 2 New Order 14,824,993 1,494
Payment 14,824,989
Order Status 1,482,500
Delivery 1,482,498
Stock Level 1,482,498
Customer Report 14,824,988
Calibration 3 New Order 14,795,150 1,494
Payment 14,795,149
Order Status 1,479,515
Delivery 1,479,516
Stock Level 1,479,516
Customer Report 14,795,153
100% 99.4% New Order 14,725,448 1,494
Payment 14,725,446
Order Status 1,472,546
Delivery 1,472,544
Stock Level 1,472,544
Customer Report 14,725,446
90% 90.4% New Order 13,381,527 1,494
Payment 13,381,521
Order Status 1,338,152
Delivery 1,338,152
Stock Level 1,338,153
Customer Report 13,381,528
80% 79.4% New Order 11,759,712 1,494
Payment 11,759,708
Order Status 1,175,970
Delivery 1,175,971
Stock Level 1,175,971
Customer Report 11,759,710
70% 70.4% New Order 10,430,212 1,494
Payment 10,430,212
Order Status 1,043,021
Delivery 1,043,020
Stock Level 1,043,021
Customer Report 10,430,212
60% 59.9% New Order 8,875,683 1,494
Payment 8,875,682
Order Status 887,568
Delivery 887,568
Stock Level 887,568
Customer Report 8,875,679
50% 49.7% New Order 7,366,649 1,494
Payment 7,366,644
Order Status 736,664
Delivery 736,664
Stock Level 736,664
Customer Report 7,366,647
40% 39.9% New Order 5,913,091 1,494
Payment 5,913,097
Order Status 591,310
Delivery 591,311
Stock Level 591,309
Customer Report 5,913,094
30% 29.9% New Order 4,422,117 1,494
Payment 4,422,117
Order Status 442,212
Delivery 442,210
Stock Level 442,212
Customer Report 4,422,114
20% 19.8% New Order 2,938,483 1,494
Payment 2,938,487
Order Status 293,849
Delivery 293,848
Stock Level 293,849
Customer Report 2,938,484
10% 10.1% New Order 1,498,618 1,494
Payment 1,498,620
Order Status 149,861
Delivery 149,861
Stock Level 149,863
Customer Report 1,498,621
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0